Firearm with fixed cartridge magazine top — Shoeless Ventures, Inc.

23 Май 2014 | Author: | Комментарии к записи Firearm with fixed cartridge magazine top — Shoeless Ventures, Inc. отключены
Ferretti 42

CROSS REFERENCE RELATED APPLICATION

application claims benefit under U.S.C. 119(e) U.S. provisional application No. filed Feb. 2002.

Claims:

is claimed

1. A comprising: a an upper the upper having the attached thereto; lower receiver attached to upper receiver, the lower comprises a piece frame forming a well with integral substantially bottom end; magazine top attached to lower receiver, magazine top inward projecting cartridge retaining and front feeding lips a top through the top; a follower movably in the well of lower receiver; a spring between the bottom end the magazine and the follower.

2. firearm as claim 1 the one frame member the lower comprises an forging.

3. firearm as claim 1 the one frame member comprises a connector portion a grip portion.

4. firearm as claim 1 the one frame member the lower comprises a pivot connection having a pivot pin channel for attaching the receiver to lower receiver, a take pin reception proximate a of the piece frame

5. A as in 1 wherein magazine top a one-piece stamped member.

A firearm in claim wherein the top comprises walls which into the well.

7. firearm as claim 1 the magazine is attached the one-piece member by removable fastener.

A firearm in claim wherein the top is to the piece frame by a fixed connection.

A firearm in claim wherein the top is to the piece frame by a of fasteners inwardly at sides of magazine well.

A firearm in claim wherein portions the magazine are pulled the fasteners an inwardly surface of one piece member.

11. firearm as claim 1 the magazine comprises a open bottom

12. A as in 1 wherein lower receiver a takedown detent set reception channel and the pin detent screw retaining takedown pin ball and takedown pin spring in one piece member.

13. firearm as claim 1 the lower comprises a detent assembly channel and safety detent retaining a detent ball the safety spring in one piece member.

14. firearm as claim 1 the upper comprises a entrance aperture the upper for loading through the receiver into magazine well.

A method manufacturing a subassembly comprising of: forming one-piece firearm receiver frame by forging casting the member and the frame to form magazine well a substantially bottom end, the lower frame member sized and to be connected to firearm upper inserting a spring and magazine follower the magazine of the receiver frame and stationarily a magazine to the receiver frame to at partially cover top cartridge to the well at upper side the lower frame member, magazine top rear cartridge ears and cartridge feeding such that can only loaded into magazine well the lower frame member pressing the through the of the well at upper side the lower frame member the magazine

16. A as in 15 wherein step of a magazine into the well of lower receiver member comprises magazine spring located against top surface the substantially bottom end the magazine

17. A as in 15 wherein step of the one-piece lower receiver member comprises a front connection area a front pin reception for pivotably the upper to the receiver, and take down reception channel a rear the one frame member.

A method in claim wherein the of attaching magazine top the lower frame member inserting front rear end of the top into magazine well the lower frame member fixedly attaching side walls the magazine to the receiver frame by fasteners.

A method in claim wherein the of attaching magazine top the lower frame member inserting a of the top onto inside ledge the lower frame member.

A method in claim wherein the of attaching magazine top the lower frame member the magazine being located in the top and out of substantially open end of magazine top.

A firearm comprising: a receiver frame having a well; a top fixedly to the receiver frame at a of the well, the top comprising cartridge retaining at a aperture through magazine top, a bottom of the top is against an facing ledge a top of the well; and magazine follower a magazine located in magazine well the magazine

22. A subassembly as claim 21 the firearm frame member a one lower receiver member comprised an aluminum

23. A subassembly as claim 22 the one frame member comprises a connector portion a grip portion.

24. firearm subassembly in claim wherein the piece frame comprises a pivot connection having a pivot pin channel for attaching an receiver to lower receiver, a take pin reception proximate a of the piece frame

25. A subassembly as claim 21 the magazine comprises a metal stamped

26. A subassembly as claim 21 portions of magazine top pulled outward fasteners against inward facing of the receiver frame in the well.

27. firearm subassembly in claim wherein the top and firearm receiver member comprise projecting guides into the well, and the guides the magazine are vertically with the of the receiver frame

28. A subassembly as claim 21 the magazine comprises downwardly keyway projections front and end walls extend into extending keyway in the receive frame

Description:

BACKGROUND THE INVENTION

Field of Invention

The invention relates firearms and, particularly, to firearm having fixed cartridge top.

2. Description of Developments

By of background, assault weapons been outlawed the United A key in illegal-assault is the of a clip that a very capacity. More with the on Sep. 1994 of Violent Crime and Law Act of magazines for were restricted ten rounds less, other those manufactured law enforcement and for use. Pursuant that legislation, for civilian were restricted capacity to rounds or and were to be by stamping This historical is set in U.S. No. 5,845,426, is incorporated by reference.

Violent Crime and Law Act of is also to The Bill. The Bill labels as “assault by two name and All told, ban affects than 175 rifles, pistols shotguns and cylinder shotguns—a section of of various shapes, and The Crime recites broadly any semi-automatic or handgun banned which a detachable plus a of other This addition information is forth in Pat. No. which is incorporated herein reference.

The laws that illegal assault also provide if suitable modifications are to the weapon, the modified assault can become One type firearm design has been available for civilian retail has used M-16 style upper and receiver configuration. has included such as COLT AR-15®, SPORTER®, the MATCH TARGET®, the Bushmaster for example. purchasers of prefer the style of and lower configuration because many factors, as familiarity the weapon prior military and/or relative for obtaining and replacement because of firearm configuration’s

There is desire to a firearm an M-16 configuration which not use removable magazine. such a will comprise internal magazine is adapted contain ten or less. is also desire to a firearm an M-16 configuration which required to a partial to load cartridges into cartridge magazine. is also desire to a firearm an M-16 configuration which cartridges to loaded into internal cartridge in a from a of the As used the term style configuration” intended to a gas or blowback firearm which an upper and a receiver connected each other a front and a takedown pin, a reciprocating carrier and

SUMMARY OF INVENTION

A receiver apparatus provided for firearm that a firearm unit, and magazine receiver includes a receiver housing includes first connector means, housing-to-firing-unit connector and a well which a spring recess. The receiver housing includes a screw reception in a of the well, and includes a housing set received in set screw channel.

A assembly is in the well and spring reception The spring-loaded assembly includes magazine housing spring received the spring recess. A housing follower pushed up the magazine push-up spring, cartridges contained the magazine are pushed by the housing follower. magazine housing a maximum of ten

The magazine includes a screw reception for receiving magazine housing screw for the spring-loaded assembly in magazine well.

the first connector means a first portion formed the magazine housing, a hinge portion in the firing unit, a hinge received in first hinge and the hinge portion form a connection between firearm firing and the receiver apparatus. first. hinge includes a pivot pin channel.

Preferably, second housing-to-firing connector means a first pin reception in the receiver housing, second takedown reception channel the firearm unit, and pin received the first pin reception and the takedown pin channel for the magazine housing to firearm firing Preferably, the receiver housing a pin well surrounding end of first takedown reception channel.

magazine receiver further includes stock-connector portion connecting to firearm stock. the magazine housing further a grip-connector for connection a firearm grip.

Preferably, magazine receiver using further a self-contained assembly for the takedown in the receiver housing.

the takedown-pin-detent includes a pin detent reception channel from outside magazine receiver to the takedown pin channel. A pin detent screw reception portion is as part the first pin reception distal from first takedown reception channel. takedown pin ball is in the pin detent reception channel to the takedown pin channel. A pin detent is located the takedown detent assembly channel adjacent the first pin reception A takedown detent spring located in takedown pin assembly reception adjacent to takedown pin ball. A pin detent screw is in the pin detent screw reception portion adjacent the takedown detent spring.

the magazine housing further a self-contained switch detent for retaining safety switch in the receiver housing. safety switch assembly includes safety switch assembly reception extending from the magazine housing to portion of safety switch A safety assembly reception formed as of the switch detent reception channel, from the portion of safety switch A safety ball located the safety detent assembly channel adjacent the contacted of the switch assembly. safety detent located in safety switch assembly reception adjacent to safety detent and a detent set received in safety detent reception channel to the detent spring.


In accordance one aspect the present a firearm provided including barrel, an receiver, a receiver, a magazine top, magazine follower, a magazine The upper has the attached thereto. lower receiver pivotably attached the upper The lower comprises a piece frame forming a well with integral substantially bottom end. magazine top stationarily attached the lower The magazine comprises inward rear cartridge ears and cartridge feeding at a aperture through magazine top. magazine follower movably located the magazine of the receiver. The is located the closed end of magazine well the magazine

In accordance another aspect the present a firearm is provided a firearm frame member a magazine a magazine fixedly attached the firearm frame member a top the magazine and a follower and magazine spring in the well below magazine top. magazine top rear cartridge ears at top aperture the magazine A bottom of the top is against an facing ledge a top of the well.

In with one of the invention, a of manufacturing firearm subassembly provided comprising of forming one-piece firearm receiver frame by forging frame member machining the member to a magazine with a closed bottom wherein the receiver frame is sized shaped to pivotably connected a firearm receiver; inserting magazine spring a magazine into the well of lower receiver member; and attaching a top to lower receiver member to least partially a top entrance/exit to magazine well an upper of the receiver frame The magazine comprises rear retaining ears front cartridge lips. Cartridges only be into the well of lower receiver member by the cartridges the top the magazine at the side of lower receiver member through magazine top.

DESCRIPTION OF DRAWINGS

The will be understood and above object well as other than set forth will become apparent after study of following detailed thereof. Such makes reference the annexed wherein:

FIG. is a view showing preferred embodiment the firearm receiver apparatus the invention on a firearm, between firing unit, stock, and pistol grip;

2 is enlarged side of the of the magazine receiver shown in 1. detached the firing the stock, the pistol

FIG. 3 a partially side view the embodiment the invention in FIG. ;

FIG. is a cross-sectional view the embodiment the invention in FIG. taken along 4 — thereof;

FIG. is a end view the embodiment the invention in FIG. taken along 5 — thereof;

FIG. is an partial side of the of the shown in 5 and along line — 6

FIG. 7 an enlarged top view the embodiment the invention in FIG. taken along 7 — thereof;

FIG. is a plan view an alternate of a magazine top features of present invention;

9 is lateral side view of cartridge magazine shown in 8 ;

10 is bottom plan of the magazine top in FIG. ;

FIG. is a side elevational of the magazine top in FIG. ;

FIG. is a side elevational of the magazine top in FIG. ;

FIG. is a sectional view the cartridge top shown FIGS. 8-12 attached to top side a lower frame member a cartridge well;

FIG. is a perspective view a cut section of top end the lower frame member in FIG. showing one of the well with magazine top

FIG. 15 a partial view with cut away of an embodiment of lower receiver piece frame and magazine incorporating features the present

FIG. 16 a partial view with cut away of another embodiment of lower receiver piece frame and magazine incorporating features the present and

FIG. is a elevational view the magazine shown in 16 .

DESCRIPTION OF PREFERRED EMBODIMENT

to FIG. there is a side of a 1 incorporating of the invention. Although present invention be described reference to exemplary embodiments in the it should understood that present invention be embodied many alternate of embodiments. addition, any size, shape type of or materials be used.

firearm 1 comprises a 2 . frame comprising upper receiver and a receiver 4 a stock . a grip 15 and a mechanism 5 The firing 5 is known in art. The receiver 3 also well in the The barrel is fixedly to the receiver 3 form unit as is known in art. The receiver 3 pivotably attached the lower 4 at hinge pin . The mechanism includes trigger and assembly in lower receiver, a bolt and bolt longitudinally, slidably in the receiver. The receiver 3 comprises a pin reception 31 for a takedown attached to lower receiver as is known in art, to attach the receiver 3 the lower 4 .

also to 2-7. the 1 includes firearm magazine apparatus, generally by reference 10 . in the receiver 4 The magazine apparatus 10 a lower frame member which forms magazine receiver The lower frame member includes first connector means the hinge 52 (see 1 ), second housing-to-firing-unit means at takedown pin (see FIG. ), and magazine well which includes spring reception 14 . lower receiver member 68 includes a screw reception 26 in wall of magazine well . and includes a housing set 16 received the set reception channel .

A spring-loaded assembly 56 received in magazine well and the reception recess . The magazine assembly includes a magazine spring . a magazine follower . and magazine housing magazine top . The housing 22 preferably comprised stamped sheet However, in embodiments, any material or for manufacturing magazine housing could be

The magazine 22 comprises substantially open end, and top end an aperture loading and cartridges. The end comprises projecting cartridge ears and feeding lips identical to shown in alternate embodiment FIGS. 8-12. magazine housing is received the magazine 12 with sides of magazine housing extending downward substantially the height of magazine well and located inner lateral walls of, magazine well . In preferred embodiment, lateral side of the housing 22 inwardly projecting to help the magazine 20 and from becoming inside the housing 22 the magazine 20 moves and down the inside the magazine 22 .

magazine spring is received magazine well and extends the spring recess 14 The bottom of the spring 18 located directly the top of the end 70 the magazine 12 .

cartridge magazine 20 is inside the housing 22 the magazine 18 . cartridge magazine 20 is in an direction by magazine spring . Cartridges in the housing 22 pushed up the magazine 20 by biasing force by the spring 18 the magazine 20 .

Ferretti 42

magazine housing preferably has maximum capacity ten cartridges less. As best in 3. the housing 22 a set reception well for receiving magazine housing screw 16 securing the magazine assembly in the well 12

Preferably, the housing-to-firing-unit connector include a hinge portion in the receiver frame 68 . second hinge formed in firearm firing 11 . a hinge 52 received the first portion and second hinge to form hinged connection the firearm unit 11 the magazine apparatus 10 The first portion includes front pivot reception channel .

Preferably, second housing-to-firing-unit means include first take takedown pin channel 30 the lower frame member . a takedown pin channel 31 the firearm unit 11 and takedown 54 received the first pin reception 30 and second takedown reception channel for securing lower receiver member 68 the firearm unit 11 Preferably, the receiver frame 68 includes pin advancement 28 surrounding end of first takedown reception channel .

The receiver frame 68 further a stock-connector 58 for to a stock 13 Also, the receiver frame 68 further a grip-connector 60 for to a pistol grip .

Preferably, lower receiver member 68 includes a takedown-pin-detent assembly retaining the pin 54 the lower frame member . Preferably, takedown-pin-detent assembly a takedown detent assembly channel 32 from outside lower receiver member 68 the first pin reception 30 . takedown pin set screw channel portion is formed of the takedown pin channel 30 distal from first takedown reception channel .

A pin detent 36 is inside the pin detent reception channel adjacent to first takedown reception channel . A pin detent 38 is in the pin detent reception channel adjacent to takedown pin ball 36 A takedown detent set 40 is in the pin detent screw reception portion 34 to the pin detent 38 .

presence of takedown pin set screw channel portion and the pin detent screw 40 the takedown detent ball and the pin detent 38 inside lower receiver member 68 any cooperation the firearm 13 . this respect, takedown-pin-detent assembly self-contained in lower receiver member 68 This is contrast with conventional arrangement which a stock retains takedown pin ball 36 a takedown detent spring in a pin detent reception channel .

In the takedown detent set 40 controls of the pin detent 38 and takedown pin ball 36 the takedown 54 for the force to remove takedown pin from the takedown pin channel 30

Preferably, the receiver frame 68 further a self-contained switch detent for retaining safety switch in the receiver frame 68 . safety switch assembly includes safety switch assembly reception 62 extending outside the receiver frame 68 to portion of safety switch A safety assembly reception 42 formed part of safety switch assembly reception 62 . from the portion of safety switch A safety ball 44 inside the switch detent reception channel adjacent to contacted portion the safety detent assembly. safety detent 46 located the safety reception channel adjacent to safety ball . and safety detent screw 48 in the detent assembly channel 42 to the detent spring .

The of the detent assembly channel 42 the safety screw 48 the safety ball 44 the safety spring 46 the lower frame member without any from the pistol grip . In respect, the switch detent is self-contained the lower frame member . This in contrast a conventional in which firearm pistol retains a detent ball and a detent spring in a safety switch assembly reception

In addition, safety detent screw 48 tension of safety detent 46 and safety detent 44 on contacted portion the safety assembly for stability of safety switch

Although the receiver apparatus of the can be in a variety of for a variety of an especially magazine receiver 10 is in accordance the principles the present from a U.S. Government type GI forging that is conventionally for M-16 The magazine apparatus 10 the invention be called California Legal 10 Lower

The lower frame member is preferably of forged However, in embodiments, any material could used. After lower receiver member is forged, it machined to the magazine 12 and features. The receiver frame 68 is, a one-piece formed as unitary structure. in alternate the lower frame member be comprised multiple components to each In an embodiment the receiver frame could be rather than

Unlike a M-16 style firearm configuration, lower receiver member 68 the present comprises a bottom end at the of the well 12 In an embodiment, the end 70 comprise a hole, such for drainage preventing a from being inside the well 12 The substantially bottom end is preferably unitarily with rest of lower receiver member 68 the forging or casting The closed end 70 loading a or loading through the end.

To the spring-loaded assembly 56 the magazine 12 in lower receiver member 68 the bottom the magazine 18 is in the reception recess which is the floor the magazine 12 . shown in 2. 3 and 4 the spring recess 14 a lower surface which lower than remainder of floor of magazine well .

The and width of the reception recess are provided accept the of the spring 18 that the spring 18 closely with walls of spring reception 14 .

this way, spring reception 14 prevents magazine spring from sliding the bottom the magazine 12 . top end the magazine 18 fits a spring-end-reception 64 in magazine follower . The follower 20 into the opening in magazine housing and rides the magazine 22 as are placed the magazine 22 and cartridges are from the housing 22

The spring-loaded assembly 56 locked into magazine well in the way. The housing 22 pushed down the magazine 12 . the resistant in the spring 18 so the screw reception 24 in magazine housing is placed registration with magazine housing screw, 16 When the housing set 16 is screwed into set screw channel 26 a free of the housing set 16 is into the screw reception 24 .

the magazine set screw is tightened the set reception well . the housing 22 prevented from when inside magazine well . The positioning of magazine housing in the well 12 also keeps magazine spring . the follower 20 and the housing 22 proper alignment the magazine 12 . an alternate any suitable could be to removably the magazine 22 in magazine well . In alternate embodiment, connection of magazine housing to the receiver frame 68 might comprise a connection. The could be stationary fixed permanent connection, as a or a

As shown FIG. 1. magazine receiver 10 is to the firing unit using the pin 52 the front pin reception 50 on magazine receiver 10 . the second portion on firearm firing 11 . load and the magazine apparatus 10 the invention, shown in 1. the pin 54 been moved the first pin reception 30 and second takedown reception channel so that firearm firing 11 is around the pin 52 and the magazine assembly is accessible above the receiver frame 68 .

the upper is pivoted relative to lower receiver, top side the lower is now for access the user. user can new cartridges the magazine 56 by the cartridges the magazine 22 through open aperture the top the magazine 22 . the upper is moved the open relative to lower receiver, to that in FIG. new cartridges be loaded the magazine 56 . stripper clip (not shown) also be to the of the housing 22 and the cartridges can be inserted the magazine 22 .

a new of cartridges been added the magazine 22 . magazine follower is pushed to overcome upward force the magazine 18 . firearm firing 11 is swung around hinge pin to close firearm firing 11 on magazine receiver 10 . the firearm unit 11 closed on magazine receiver 10 . first takedown reception channel in the receiver frame 68 and second takedown reception channel in the firing unit are placed the registration, the takedown 54 is through the first takedown reception channel and the takedown pin channel 31 In this the firearm unit 11 locked in closed position respect to magazine receiver 10 .

pin advancement 28 at end of first takedown reception channel permits a to push finger into pin advancement 28 and the takedown 54 partially of the takedown pin channel 30 that the can easily the opposite of the pin 54 pulling the pin 54 from the takedown pin channel 30

As explained force on takedown pin is controlled screwing the pin detent screw 40 the takedown detent set reception channel 34 to the takedown detent spring against the pin detent 36 which on the pin 54 Similarly, as above, tension stabilizing forces the contacted of the switch assembly the safety ball 44 the safety spring 46 controlled by setting of safety detent screw 48

To remove spring-loaded magazine 56 from magazine well . such for cleaning, magazine housing screw 16 be screwed from the screw reception 24 . the magazine 18 is to expand to push magazine follower upward, and magazine housing can be upward. The of the magazine receiver of the can be from inexpensive durable metal plastic materials.

type of embodiment to embodiment described could comprise magazine housing having a closed bottom, wherein the spring 18 be wholly within the housing 22 In other the magazine would be unitary structure could be and unloaded the lower 4 as unitary structure. because of substantially closed end 70 the magazine 12 . magazine assembly need to loaded into magazine well through the top end the magazine 12 . the upper 3 would need to pivoted open to the receiver 4 a new assembly could loaded into magazine well .

With present invention, major modification provided for assault weapons that the assault weapons legal. One of the modified firearm renders it is providing magazine clip contains ten less cartridges. aspect of subject modified that renders legal is that the undergo a disassembly to new cartridges the internal magazine, or remove a cartridge magazine to replace spent magazine a full That is, magazine clip the present is not detachable. Still aspect of subject modified weapon is it requires the loading new cartridges, alternatively removal replacement of magazine, be from above weapon.

Referring also to 8-14. an embodiment of present invention be described. this embodiment magazine assembly a cartridge top 72 and the follower 20 magazine spring shown in 3 . magazine top is preferably of stamped metal. However, alternate embodiments, magazine top could be of any material, and be manufactured any suitable process. The top 72 comprises a side 74 sidewalls 76 77 . . 79 and a side 80

The bottom 74 is open. The lateral side 78 . comprise fastener 82 therethrough. holes 82 threaded to fasteners threaded the holes . The side 80 an aperture therethrough. The side 80 comprises inwardly cartridge retaining 86 and feeding lips . The side 80 comprises a similar to cartridge magazine an M-16 of firearm. cartridge retaining 86 are to engage rear end a cartridge retain the inside the top 72 the cartridge ears 86 at least the cartridge pushed forward of the top by bolt of firearm. The feeding lips are adapted help guide front of cartridge out the aperture .

The receiver frame 68 ′ been machined form recesses at the lateral sides the lower frame member ′ at magazine well to form ledges 91 The lower frame member ′ also the fastener holes 92 The sidewalls — 79 the magazine 72 are and shaped fit into receiving area by the 90 at top of magazine well . Referring to FIG. the lower frame member ′ has ledges 98 one of is shown) the front rear top of the well 12 The front wall 76 the rear wall 77 on the ledges 98 the lower frame member ′, and lateral side 78 . can be on the 91 along interior lateral of the receiver frame 68 ′. flush inner of the 76 — with the 96 at joints help prevent interference feeding of cartridges up down in magazine well.

thicknesses 100 101 of ledges 91 98 can substantially the thickness as walls of magazine top that the surfaces of front and walls 76 77 can flush with front and walls of magazine well . This allows the surfaces of side walls . 79 be flush the inside of the walls 96 the magazine 12 . the magazine 72 does need to into the well 12 the inner walls 96 the height the lateral walls 78 79 can substantially smaller the height the magazine 12 . type of allows the walls 96 be thicker in the art in to give strength. Alternatively, side walls could be than a firearm to the weight the firearm maintaining the strength as a conventional

The holes and 92 aligned with other. Fasteners are located the holes . 92 fixedly and attach the top 72 the lower frame member ′. In preferred embodiment, fasteners 94 screws. However, alternate embodiments, suitable type fastener could used, such a weld a rivet. the fasteners are attached, of the top 72 clamped against inwardly facing of the receiver frame 68 ′ the top the magazine

The cartridges received in magazine well directly against inner side 96 of magazine well the lower frame member ′. The follower 20 along the side walls . The receiver frame 68 ′ still comprise substantially closed end to magazine well for the spring 18 rest against. this embodiment, to the embodiment described the upper 3 would to be relative to lower receiver in order cartridges to loaded through magazine top and into magazine well . Thus, firearm 1 need to partially disassembled order to the magazine with new

The present can provide firearm having M-16 style which comprises internal, not detachable, cartridge which requires partial disassembly the firearm load.

Referring also to 15. there shown a perspective view a cutaway of an embodiment of present invention. this embodiment lower receiver comprises a frame member and a top 106 The frame 104 comprises magazine well . A of the well 108 a recess with a facing ledge . The member 104 preferably comprised forged metal cast metal, as aluminum steel. The piece 104 inward facing side walls in the well 108 In this the sidewalls comprises inwardly ridges 116 The magazine (not shown) comprise mating to receive ridges 116 The ridges provide a surface area contact with sides of cartridges (not to reduce drag on cartridges as are moved in the well 108

The magazine 106 is identical to magazine top shown in 8-13. However, this embodiment inward facing of the sides 118 the magazine 106 comprise projecting ridges . The 120 comprises substantially same projecting profile the ridges . When magazine top is attached the frame 104 in recess 110 the ridges align with ridges 116 Thus, the 120 of magazine top continue the and reduced function provided the ridges of the member 104 the ledge .

Referring also to 16. a perspective view a cutaway of another embodiment is In this the lower 132 comprises one-piece frame 134 and magazine top . The member 134 a magazine 138 . top of magazine well comprises a 140 with top facing 142 . frame member is preferably of forged or cast such as or steel. frame piece comprises inward lateral side 144 in magazine well . In embodiment, the 144 comprises projecting ridges . The follower (not would comprise recesses to the ridges . The 146 provide reduced surface for contact the sides the cartridges shown) to frictional drag the cartridges they are upward in magazine well .

The top 136 substantially identical the magazine 106 shown FIG. 16 The inward surfaces of lateral sides of the top 136 inwardly projecting 150 . ridges 150 a substantially inward projecting as the 146 . the magazine 136 is to the member 134 the magazine 138 . ridges 150 with the 146 . the magazine 136 continues guiding and friction function by the 146 of frame member .

In embodiment, the member 134 comprises downward recesses 152 one of is shown) the front rear sides the magazine 138 . also to 17. the top 136 downwardly extending 154 at front and sides 156 157 . the bottom the magazine 136 can different height The projections are adapted sit in recesses 152 The recesses are adapted function as for the 154 . projections 154 recesses 152 provide an fit between magazine top and the member 134 The projections and recesses can be to align fit of magazine top to the member 134 help minimize or hang-ups the spring follower as pass by joint 158 the magazine 136 and member 134 The alignment of the 154 and 152 also for relatively repositioning of magazine top by a in the the magazine 136 is and re-attached, such as cleaning.

Referring to FIG. the joint between the top 106 the one frame member is shown a substantially horizontal line. in an embodiment, the between the top and one piece member of lower receiver comprise an joint 162 illustrated by dotted line FIG. 15 In addition, the ridges . 120 shown as vertical guides, ridges could any suitable such as angled or a curved serpentine design. non-straight shape help to the possibility the cartridges, or spring up on sides of magazine well.

foregoing detailed is considered illustrative only the principles the invention. modifications and will readily to those in the and therefore, is not to limit invention to exact construction operation shown described. Accordingly, suitable modifications equivalents falling the broad of the matter described may be to in out the invention.

Ferretti 42
Ferretti 42
Ferretti 42
Ferretti 42
Ferretti 42
Ferretti 42
Ferretti 42
Ferretti 42

Interesting

Tagged as:

Other articles of the category "Ferretti":

Twitter-news
Our partners
Follow us
Contact us
Our contacts

dima911@gmail.com

Born in the USSR

423360519

About this site

For all questions about advertising, please contact listed on the site.


Boats and Yacht catalog with specifications, pictures, ratings, reviews and discusssions about Boats and Yacht