US20050188591A1 - Barrel assembly and attachment system - Google Patents
Barrel assembly and attachment system Download PDFInfo
- Publication number
- US20050188591A1 US20050188591A1 US11/047,019 US4701905A US2005188591A1 US 20050188591 A1 US20050188591 A1 US 20050188591A1 US 4701905 A US4701905 A US 4701905A US 2005188591 A1 US2005188591 A1 US 2005188591A1
- Authority
- US
- United States
- Prior art keywords
- receiver
- barrel
- slot
- axial bore
- fore end
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
- F41A21/00—Barrels; Gun tubes; Muzzle attachments; Barrel mounting means
- F41A21/48—Barrel mounting means, e.g. releasable mountings for replaceable barrels
- F41A21/487—Barrel mounting means, e.g. releasable mountings for replaceable barrels using friction, e.g. by clamping a barrel surface
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
- F41A21/00—Barrels; Gun tubes; Muzzle attachments; Barrel mounting means
- F41A21/48—Barrel mounting means, e.g. releasable mountings for replaceable barrels
- F41A21/485—Barrel mounting means, e.g. releasable mountings for replaceable barrels using screws or bolts
Definitions
- the present invention relates generally to firearms, and in particular, to the assembly of a barrel and receiver and a method to set and maintain the head space of a bolt and barrel breach interface.
- the present invention generally is directed to a receiver and barrel assembly for a firearm, such as a rifle or other long gun or other types of firearms, and a method for assembling and attaching the barrel and receiver and setting the head space between the bolt and the barrel.
- a firearm such as a rifle or other long gun or other types of firearms
- the firearm readily is assembled at the time of manufacture, and readily disassembled as needed or desired to meet the needs of the individual shooter, without the need for special tooling or equipment.
- a split receiver for use in the barrel assembly of the present invention comprises a substantially cylindrical body having an aft end and a fore end.
- the body of the receiver has an axial bore extending therethrough from the aft end to the fore end, and a slot extending from the fore end toward the aft end of the body.
- the receiver also comprises a set screw or clamping screw aligned radially with the slot.
- the clamping screw may be positioned to tighten in a direction substantially perpendicular to the slot.
- the receiver also may include a barrel set screw proximate the fore end of the receiver.
- the barrel set screw may be positioned to tighten in a direction substantially perpendicular to the axial bore of the receiver.
- the barrel set screw may have a cone point that marks the barrel upon tightening.
- a barrel comprising a mating portion dimensioned to be received in the axial bore engages the open fore end of the receiver.
- the receiver can engage and secure the barrel into the receiver by tightening the clamping screw and the barrel set screw at a desired head space.
- a taper is formed in the receiver at the fore end, thereby securing the barrel and the receiver.
- a method of assembling a receiver and barrel includes providing a receiver having an axial bore therethrough and a slot having an open width, inserting a mating portion of a barrel into the axial bore, and tightening a securing means substantially radially aligned with the slot.
- the mating portion of the barrel is inserted into the axial bore to an extent needed to achieve a desired head space. Tightening the securing means then decreases the open width of the slot and deforms the receiver toward and against the barrel.
- FIG. 1 is a partially exploded side plan view of an exemplary firearm that may include a receiver and barrel assembly according to the present invention.
- FIG. 2 is an exploded perspective view of an exemplary receiver and barrel assembly according to the present invention.
- FIG. 3 is an alternate exploded perspective view of an exemplary receiver and barrel assembly according to the present invention.
- FIG. 4 is a bottom plan view of an exemplary assembled receiver and barrel according to the present invention.
- FIG. 5 is a side plan view of an exemplary assembled receiver and barrel according to the present invention.
- the present invention includes features that improve manufacturability and customization of a firearm.
- the features simplify manufacturing and permit rapid barrel replacement and head space adjustment without the need for special tooling or equipment.
- the present invention as described herein typically is used for rimfire rifle barrel attachment systems, but may be used with other long guns or other types of firearms.
- the barrel assembly 10 of the present invention generally includes a receiver 15 and a barrel 20 used in connection with a firearm, for example, a rifle F, shown in exploded view in FIG. 1 .
- the receiver 15 has a substantially cylindrical body 22 having a first or aft end 25 , a second or fore end 30 , and an axial bore 35 extending therethrough from the aft end 25 to the fore end 30 .
- the receiver 15 also includes a slot 40 having an open width W extending a length L from the fore end 30 toward the aft end 25 of the body 22 .
- the open width W and length L vary for a given receiver design.
- the open width W is from about 0.025 in. to about 0.060 in., for example 0.040 in.
- the slot 40 has a length from about 0.5 in. to about 1.5 in. for example, 1 inch.
- the receiver also includes a clamping screw 38 , set screw, locking pin, or other securing means proximate the fore end 30 of the receiver 15 for releasably securing the barrel 20 within the receiver 15 .
- the clamping screw 38 is substantially aligned radially with the slot 40 and tightens in a direction substantially perpendicular to the axial bore 35 . In one aspect, the clamping screw 38 is aligned in a substantially perpendicular relation to the slot 40 .
- the receiver further includes a barrel set screw 48 , typically tightened at the time of manufacture.
- the barrel set screw 48 is positioned so that it tightens in a radial direction, substantially perpendicular to the axial bore 35 .
- the barrel set screw 48 is a cone point screw, so that upon tightening against the barrel 20 , the mating portion 55 of the barrel 20 is marked or scored permanently. The marking then can be used to determine whether the barrel 20 has been tampered with after assembly.
- the slot 40 is extended to a magazine chamber 70 , thereby providing an overall clamping length L′ ( FIG. 4 ) of from about 2 inches to about 4 inches, for example, about 3 inches. By doing so, the body 22 of the receiver 15 more readily deforms during assembly, thereby requiring less torque to tighten the barrel set screw 48 .
- the receiver 15 also may include a guide pin 45 (best seen in FIG. 4 ) that extends inward from the exterior of the receiver 15 into the axial bore 35 .
- the guide pin 45 may be mounted flush to the exterior of the receiver 15 and may extend into the bore 35 about 0.05 in. to about 0.10 in., although greater or lesser amounts of extension of the guide pin also can be used as needed or desired.
- the barrel 20 includes a first end 75 defining a mating portion 55 with a mating shoulder 60 formed thereabout, and a second, distal end 80 .
- the mating portion 55 is dimensioned to be slidably received in the axial bore 35 of the receiver 15 .
- the barrel 20 also may include a guide groove (not shown) or similar directional feature dimensioned to slidably receive the guide pin 45 of the receiver 15 . It should be noted that different barrels having different length mating portions also can be provided or used.
- the mating portion 55 of the barrel 20 is rotated as needed to align the guide groove 65 and the guide pin 45 of the receiver 15 .
- the mating portion 55 then is slidably inserted into the axial bore 35 of the receiver 15 .
- a bolt assembly 85 is inserted into the receiver 15 and closed.
- the bolt assembly 85 includes a bolt face 90 having a counterbore (not shown) therein.
- the barrel 20 is slidably adjusted within the axial bore 35 of the receiver 15 along the length thereof until a desired head space is attained.
- the minimum possible head space is attained by bringing the barrel breach face 105 into contact with the counterbore of the bolt face 90 within the receiver 15 .
- Hard gauging techniques known to those of skill in the art can be used to attain a greater head space if desired.
- the ability to adjust the head space in this manner provides significant advantages over presently available receiver and barrel assemblies.
- the receiver and assembly of the present invention readily accommodate normal tolerance variations in the barrel and receiver, thereby simplifying the manufacturing process. Additionally, secondary machining typically required to provide a proper engagement of the receiver and barrel is not required.
- the clamping screw 38 is tightened.
- the tightening action causes the open width W of the slot to decrease.
- the tightening action causes the fore end 30 of the receiver 15 to deform toward and against the mating portion 55 of the barrel 20 , thereby forming a taper in the receiver 15 .
- the taper in the receiver decreases the diameter of the receiver 15 at the fore end 30 relative to the original diameter.
- a required torque may be specified.
- the required torque on the clamping screw is from about 100 in-lbf to about 125 in-lbf.
- the resulting taper helps to substantially securely clamp the receiver 15 to the barrel 20 seated therein. Additionally, tightening of the clamping screw 38 maintains the desired head space dimension.
- Assembly of the barrel 20 and receiver 15 of the firearm F is completed by tightening the barrel set screw 110 , which further helps to secure the barrel 20 in the receiver 15 .
- the barrel set screw 110 requires a minimum torque setting of at least about 25 in-lbf. Tightening the barrel set screw 110 in this manner may provide from about 500 lb to about 1000 lb of additional force in securing the barrel 20 in the receiver 15 .
- the simple, easy to use design of the present invention permits the assembly to be customized according to the preferences of the user. Additionally, the present invention allows a damaged or worn barrel and/or receiver to be replaced with little effort or cost.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
- Telescopes (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
Description
- This application claims priority to U.S. Provisional Application Ser. No. 60/540,360, filed Jan. 30, 2004, which is incorporated by reference herein in its entirety.
- The present invention relates generally to firearms, and in particular, to the assembly of a barrel and receiver and a method to set and maintain the head space of a bolt and barrel breach interface.
- Manufacturers of firearms constantly seek improvements in the way firearms are manufactured. Specifically, manufacturers seek enhanced manufacturability and process control to optimize quality and production quality. At the same time, the end-user seeks customization and ease of repair and replacement of parts of the firearm. Thus, there is a need for a firearm design that enhances manufacturability and process control, while simplifying customization and repair.
- The present invention generally is directed to a receiver and barrel assembly for a firearm, such as a rifle or other long gun or other types of firearms, and a method for assembling and attaching the barrel and receiver and setting the head space between the bolt and the barrel. According to the present invention, the firearm readily is assembled at the time of manufacture, and readily disassembled as needed or desired to meet the needs of the individual shooter, without the need for special tooling or equipment.
- According to one aspect of the present invention, a split receiver for use in the barrel assembly of the present invention comprises a substantially cylindrical body having an aft end and a fore end. The body of the receiver has an axial bore extending therethrough from the aft end to the fore end, and a slot extending from the fore end toward the aft end of the body.
- The receiver also comprises a set screw or clamping screw aligned radially with the slot. The clamping screw may be positioned to tighten in a direction substantially perpendicular to the slot. The receiver also may include a barrel set screw proximate the fore end of the receiver. The barrel set screw may be positioned to tighten in a direction substantially perpendicular to the axial bore of the receiver. The barrel set screw may have a cone point that marks the barrel upon tightening.
- A barrel comprising a mating portion dimensioned to be received in the axial bore engages the open fore end of the receiver. In this position, the receiver can engage and secure the barrel into the receiver by tightening the clamping screw and the barrel set screw at a desired head space. Upon tightening the clamping screw and barrel set screw, a taper is formed in the receiver at the fore end, thereby securing the barrel and the receiver.
- According to another aspect of the present invention, a method of assembling a receiver and barrel is provided. The method includes providing a receiver having an axial bore therethrough and a slot having an open width, inserting a mating portion of a barrel into the axial bore, and tightening a securing means substantially radially aligned with the slot. The mating portion of the barrel is inserted into the axial bore to an extent needed to achieve a desired head space. Tightening the securing means then decreases the open width of the slot and deforms the receiver toward and against the barrel.
- Various features, objects, and advantages of the present invention are discussed in, or are apparent from, the detailed description and accompanying drawings set forth below.
-
FIG. 1 is a partially exploded side plan view of an exemplary firearm that may include a receiver and barrel assembly according to the present invention. -
FIG. 2 is an exploded perspective view of an exemplary receiver and barrel assembly according to the present invention. -
FIG. 3 is an alternate exploded perspective view of an exemplary receiver and barrel assembly according to the present invention. -
FIG. 4 is a bottom plan view of an exemplary assembled receiver and barrel according to the present invention. -
FIG. 5 is a side plan view of an exemplary assembled receiver and barrel according to the present invention. - In contrast to presently available barrel assemblies, the present invention includes features that improve manufacturability and customization of a firearm. In particular, the features simplify manufacturing and permit rapid barrel replacement and head space adjustment without the need for special tooling or equipment. The present invention as described herein typically is used for rimfire rifle barrel attachment systems, but may be used with other long guns or other types of firearms.
- As shown in
FIGS. 1-3 , thebarrel assembly 10 of the present invention generally includes areceiver 15 and abarrel 20 used in connection with a firearm, for example, a rifle F, shown in exploded view inFIG. 1 . Thereceiver 15 has a substantiallycylindrical body 22 having a first oraft end 25, a second orfore end 30, and anaxial bore 35 extending therethrough from theaft end 25 to thefore end 30. Thereceiver 15 also includes a slot 40 having an open width W extending a length L from thefore end 30 toward theaft end 25 of thebody 22. The open width W and length L vary for a given receiver design. In one aspect, the open width W is from about 0.025 in. to about 0.060 in., for example 0.040 in. In another aspect, the slot 40 has a length from about 0.5 in. to about 1.5 in. for example, 1 inch. - The receiver also includes a
clamping screw 38, set screw, locking pin, or other securing means proximate thefore end 30 of thereceiver 15 for releasably securing thebarrel 20 within thereceiver 15. Theclamping screw 38 is substantially aligned radially with the slot 40 and tightens in a direction substantially perpendicular to theaxial bore 35. In one aspect, theclamping screw 38 is aligned in a substantially perpendicular relation to the slot 40. - The receiver further includes a barrel set
screw 48, typically tightened at the time of manufacture. The barrel setscrew 48 is positioned so that it tightens in a radial direction, substantially perpendicular to theaxial bore 35. In one aspect, the barrel setscrew 48 is a cone point screw, so that upon tightening against thebarrel 20, themating portion 55 of thebarrel 20 is marked or scored permanently. The marking then can be used to determine whether thebarrel 20 has been tampered with after assembly. According to one aspect of the present invention, the slot 40 is extended to amagazine chamber 70, thereby providing an overall clamping length L′ (FIG. 4 ) of from about 2 inches to about 4 inches, for example, about 3 inches. By doing so, thebody 22 of thereceiver 15 more readily deforms during assembly, thereby requiring less torque to tighten the barrel setscrew 48. - The
receiver 15 also may include a guide pin 45 (best seen inFIG. 4 ) that extends inward from the exterior of thereceiver 15 into theaxial bore 35. Theguide pin 45 may be mounted flush to the exterior of thereceiver 15 and may extend into thebore 35 about 0.05 in. to about 0.10 in., although greater or lesser amounts of extension of the guide pin also can be used as needed or desired. - Still viewing
FIGS. 1-3 , thebarrel 20 includes afirst end 75 defining amating portion 55 with amating shoulder 60 formed thereabout, and a second,distal end 80. Themating portion 55 is dimensioned to be slidably received in theaxial bore 35 of thereceiver 15. Thebarrel 20 also may include a guide groove (not shown) or similar directional feature dimensioned to slidably receive theguide pin 45 of thereceiver 15. It should be noted that different barrels having different length mating portions also can be provided or used. - To assemble the
receiver 15 andbarrel 20, themating portion 55 of thebarrel 20 is rotated as needed to align the guide groove 65 and theguide pin 45 of thereceiver 15. Themating portion 55 then is slidably inserted into theaxial bore 35 of thereceiver 15. A bolt assembly 85 is inserted into thereceiver 15 and closed. The bolt assembly 85 includes a bolt face 90 having a counterbore (not shown) therein. - According to the present invention, the
barrel 20 is slidably adjusted within the axial bore 35 of thereceiver 15 along the length thereof until a desired head space is attained. The minimum possible head space is attained by bringing thebarrel breach face 105 into contact with the counterbore of the bolt face 90 within thereceiver 15. Hard gauging techniques known to those of skill in the art can be used to attain a greater head space if desired. - The ability to adjust the head space in this manner provides significant advantages over presently available receiver and barrel assemblies. Notably, the receiver and assembly of the present invention readily accommodate normal tolerance variations in the barrel and receiver, thereby simplifying the manufacturing process. Additionally, secondary machining typically required to provide a proper engagement of the receiver and barrel is not required.
- Turning to
FIGS. 4 and 5 , when thebarrel 20 is positioned relative to thereceiver 15 at the desired head space, the clampingscrew 38 is tightened. The tightening action causes the open width W of the slot to decrease. Further, the tightening action causes thefore end 30 of thereceiver 15 to deform toward and against themating portion 55 of thebarrel 20, thereby forming a taper in thereceiver 15. The taper in the receiver decreases the diameter of thereceiver 15 at thefore end 30 relative to the original diameter. Depending on the particular firearm, a required torque may be specified. In one aspect, the required torque on the clamping screw is from about 100 in-lbf to about 125 in-lbf. The resulting taper helps to substantially securely clamp thereceiver 15 to thebarrel 20 seated therein. Additionally, tightening of the clampingscrew 38 maintains the desired head space dimension. - Assembly of the
barrel 20 andreceiver 15 of the firearm F is completed by tightening the barrel set screw 110, which further helps to secure thebarrel 20 in thereceiver 15. In one aspect, the barrel set screw 110 requires a minimum torque setting of at least about 25 in-lbf. Tightening the barrel set screw 110 in this manner may provide from about 500 lb to about 1000 lb of additional force in securing thebarrel 20 in thereceiver 15. - In contrast to presently known, more complicated assemblies, only two screws or other securing means are needed to secure the receiver to the barrel. Thus, the simple, easy to use design of the present invention permits the assembly to be customized according to the preferences of the user. Additionally, the present invention allows a damaged or worn barrel and/or receiver to be replaced with little effort or cost.
- Accordingly, it will be readily understood by those persons skilled in the art that, in view of the above detailed description of the invention, the present invention is susceptible of broad utility and application. Many adaptations of the present invention other than those herein described, as well as many variations, modifications, and equivalent arrangements will be apparent from or reasonably suggested by the present invention and the above detailed description thereof, without departing from the substance or scope of the present invention.
- While the present invention is described herein in detail in relation to specific aspects, it is to be understood that this detailed description is only illustrative and exemplary of the present invention and is made merely for purposes of providing a full and enabling disclosure of the present invention. The detailed description set forth herein is not intended nor is to be construed to limit the present invention or otherwise to exclude any such other embodiments, adaptations, variations, modifications, and equivalent arrangements of the present invention, the present invention being limited solely by the claims appended hereto and the equivalents thereof.
Claims (17)
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002554086A CA2554086A1 (en) | 2004-01-30 | 2005-01-31 | Barrel assembly and attachment system |
JP2006551562A JP2007519887A (en) | 2004-01-30 | 2005-01-31 | Barrel assembly and mounting system |
MXPA06008592A MXPA06008592A (en) | 2004-01-30 | 2005-01-31 | Barrel assembly and attachement system. |
EP05804743A EP1709384A2 (en) | 2004-01-30 | 2005-01-31 | Barrel assembly and attachement system |
US11/047,019 US20050188591A1 (en) | 2004-01-30 | 2005-01-31 | Barrel assembly and attachment system |
PCT/US2005/003078 WO2005119160A2 (en) | 2004-01-30 | 2005-01-31 | Barrel assembly and attachement system |
RU2006131122/02A RU2006131122A (en) | 2004-01-30 | 2005-01-31 | STEM ASSEMBLY AND FASTENING SYSTEM |
IL176931A IL176931A0 (en) | 2004-01-30 | 2006-07-18 | Barrel assembly and attachment system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US54036004P | 2004-01-30 | 2004-01-30 | |
US11/047,019 US20050188591A1 (en) | 2004-01-30 | 2005-01-31 | Barrel assembly and attachment system |
Publications (1)
Publication Number | Publication Date |
---|---|
US20050188591A1 true US20050188591A1 (en) | 2005-09-01 |
Family
ID=34889751
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/047,019 Abandoned US20050188591A1 (en) | 2004-01-30 | 2005-01-31 | Barrel assembly and attachment system |
Country Status (8)
Country | Link |
---|---|
US (1) | US20050188591A1 (en) |
EP (1) | EP1709384A2 (en) |
JP (1) | JP2007519887A (en) |
CA (1) | CA2554086A1 (en) |
IL (1) | IL176931A0 (en) |
MX (1) | MXPA06008592A (en) |
RU (1) | RU2006131122A (en) |
WO (1) | WO2005119160A2 (en) |
Cited By (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050229463A1 (en) * | 2004-04-14 | 2005-10-20 | Paul Tashjian | Firearm assembly |
US20050262752A1 (en) * | 2004-02-13 | 2005-12-01 | Robinson Alexander J | Firearm |
US20060026883A1 (en) * | 2004-06-16 | 2006-02-09 | Paul Hochstrate | Modular firearm |
US20070186458A1 (en) * | 2006-02-16 | 2007-08-16 | Wait Nelson M | Interchangeable barrel system for rifles |
US20090031605A1 (en) * | 2003-08-04 | 2009-02-05 | Rmdi, Llc | Multi-caliber ambidextrously controllable firearm |
US20100175290A1 (en) * | 2009-01-13 | 2010-07-15 | Ronald Duplessis | System for Joining a Barrel to the Receiver of a Bolt Action Rifle |
US20100212201A1 (en) * | 2007-07-18 | 2010-08-26 | Abrams Airborne Manufacturing | Adaptive configuration for a firearm |
US20120030981A1 (en) * | 2007-01-10 | 2012-02-09 | Smith & Wesson Corp. | Bolt action firearm and its method of assembly |
US8479429B2 (en) | 2009-03-24 | 2013-07-09 | Sturm, Ruger & Company, Inc. | Firearm with quick coupling barrel system |
US8490312B2 (en) | 2009-03-24 | 2013-07-23 | Sturm, Ruger & Company, Inc. | Quick coupling barrel system for firearm |
US8505227B2 (en) | 2009-03-24 | 2013-08-13 | Sturm, Ruger & Company, Inc. | Firearm with quick coupling barrel interlock system |
US20130219765A1 (en) * | 2012-02-28 | 2013-08-29 | Dikar S. Coop. Ltda | Firearm with barrel fixed by at least one screw |
US8640372B2 (en) | 2004-06-16 | 2014-02-04 | Colt Defense, Llc | Automatic or semi-automatic rifle |
US20140047755A1 (en) * | 2012-08-14 | 2014-02-20 | Troy Rhea MCCLINTOCK | Forward Pistol Mount |
US20140165444A1 (en) * | 2012-12-19 | 2014-06-19 | Philip Masters | Firearm With Barrel Cinching Clamp |
US8782943B2 (en) | 2012-10-26 | 2014-07-22 | Ra Brands, L.L.C. | Quick detach barrel mounting system |
US9057576B2 (en) | 2009-03-24 | 2015-06-16 | Sturm, Ruger & Company, Inc. | Firearm with quick coupling barrel system |
US9347719B1 (en) | 2014-01-13 | 2016-05-24 | Ra Brands, L.L.C. | Replaceable feed ramp |
US9383154B2 (en) | 2013-12-12 | 2016-07-05 | Ra Brands, L.L.C. | Gas vent for firearm |
US20170343309A1 (en) * | 2014-02-10 | 2017-11-30 | Franklin Armory Holdings, Inc. | Semi-automatic rimfire rifle |
US10352643B2 (en) * | 2016-09-21 | 2019-07-16 | Vincent P. Battaglia | Quad lock multicaliber rifle receiver with locking barrel |
KR102141665B1 (en) * | 2020-05-21 | 2020-08-05 | 에스앤티모티브 주식회사 | Gun with barrel assimbly module |
US10921081B2 (en) * | 2017-05-04 | 2021-02-16 | Steyr Arms Gmbh | Housing for a firearm with an exchangeable barrel |
US11143478B2 (en) * | 2019-04-05 | 2021-10-12 | Sturm, Ruger & Company, Inc | Free-floating barrel mounting system for firearm |
US11402169B1 (en) | 2020-03-31 | 2022-08-02 | Kevin Michael Sohegian | Switch barrel rifle with adjustable headspace |
US20230280118A1 (en) * | 2020-08-13 | 2023-09-07 | Lightforce Australia Pty Limited | A rifle receiver arrangement and a method of assembly of a rifle barrel to said rifle receiver |
WO2023205491A1 (en) * | 2022-04-22 | 2023-10-26 | Savage Arms, Inc. | Rimfire takedown firearm |
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2005
- 2005-01-31 RU RU2006131122/02A patent/RU2006131122A/en not_active Application Discontinuation
- 2005-01-31 US US11/047,019 patent/US20050188591A1/en not_active Abandoned
- 2005-01-31 MX MXPA06008592A patent/MXPA06008592A/en unknown
- 2005-01-31 CA CA002554086A patent/CA2554086A1/en not_active Abandoned
- 2005-01-31 WO PCT/US2005/003078 patent/WO2005119160A2/en not_active Application Discontinuation
- 2005-01-31 EP EP05804743A patent/EP1709384A2/en not_active Withdrawn
- 2005-01-31 JP JP2006551562A patent/JP2007519887A/en not_active Withdrawn
-
2006
- 2006-07-18 IL IL176931A patent/IL176931A0/en unknown
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US6470616B1 (en) * | 2001-01-31 | 2002-10-29 | David Richard Clay | Combination barrel adjustment and magazine cutoff for a takedown firearm |
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Also Published As
Publication number | Publication date |
---|---|
CA2554086A1 (en) | 2005-12-15 |
WO2005119160A2 (en) | 2005-12-15 |
RU2006131122A (en) | 2008-03-10 |
WO2005119160A3 (en) | 2006-04-27 |
MXPA06008592A (en) | 2006-08-28 |
IL176931A0 (en) | 2006-12-10 |
JP2007519887A (en) | 2007-07-19 |
EP1709384A2 (en) | 2006-10-11 |
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