CA2490536A1 - Buffer tube for modular gunstock - Google Patents

Buffer tube for modular gunstock Download PDF

Info

Publication number
CA2490536A1
CA2490536A1 CA002490536A CA2490536A CA2490536A1 CA 2490536 A1 CA2490536 A1 CA 2490536A1 CA 002490536 A CA002490536 A CA 002490536A CA 2490536 A CA2490536 A CA 2490536A CA 2490536 A1 CA2490536 A1 CA 2490536A1
Authority
CA
Canada
Prior art keywords
buffer tube
tube assembly
assembly
interface
rails
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.)
Granted
Application number
CA002490536A
Other languages
French (fr)
Other versions
CA2490536C (en
Inventor
Richard Fitzpatrick
Stephen Hines
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Magpul Industries Corp
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2490536A1 publication Critical patent/CA2490536A1/en
Application granted granted Critical
Publication of CA2490536C publication Critical patent/CA2490536C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41WEAPONS
    • F41CSMALLARMS, e.g. PISTOLS, RIFLES; ACCESSORIES THEREFOR
    • F41C23/00Butts; Butt plates; Stocks
    • F41C23/14Adjustable stock or stock parts, i.e. adaptable to personal requirements, e.g. length, pitch, cast or drop
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41WEAPONS
    • F41CSMALLARMS, e.g. PISTOLS, RIFLES; ACCESSORIES THEREFOR
    • F41C23/00Butts; Butt plates; Stocks
    • F41C23/04Folding or telescopic stocks or stock parts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41WEAPONS
    • F41CSMALLARMS, e.g. PISTOLS, RIFLES; ACCESSORIES THEREFOR
    • F41C23/00Butts; Butt plates; Stocks
    • F41C23/20Butts; Butt plates; Mountings therefor

Abstract

The present invention is a buffer tube assembly (2) upon which stock modules may be mounted as part of a modular stock system. The best mode buffer tube features a uniform cheek plate (10) with a track (9) disposed underneath thecheek plate (10) on either side. Rail track (8) is disposed on the underside of buffer tube module (2) and is divided in halfby a longitudinal groove. Interface detents (5) are provided on the sides of buffer tube module (2). Both rail track (8) and detents (5) are provided for interface with adjustable length stock modules. Individual half-rails of the rail track (8) may be angled to improve interface performance with adjustable for length stock modules. A clip hole (13) is provided as a securement means with fixed length stock modules. The invention may also be practiced as a mounting assembly for those firearms (usually air projection type) that do not require a buffer area.

Claims (41)

1. A modified buffer tube assembly for a modular gunstock for a firearm comprising:
a. An assembly body, having an interior defining a cylindrical and hollow buffer region;
b. An interface for which the assembly may be attached to a firearm receiver, the buffer region having an opening through the interface; and c. an outer surface, the surface further comprising:
i. a uniform cheek plate, disposed towards an uppermost portion of the buffer tube assembly;
ii. two longitudinal grooves, each disposed beneath and on either side of the cheek plate.
2. The buffer tube assembly of claim 1, the body further comprised of a tube, about which the remainder of the assembly body is built, the tube defining the hollow buffer region.
3. The buffer tube assembly of claim 2, the outer covering further comprising a plurality of pairs of detents, each pair located laterally on the buffer tube assembly, one of each pair diametrically opposed the other on each side.
4. The buffer tube assembly of claim 2, the outer covering further comprising a rail track, defined by uniform transverse grooves and likewise uniform rails located distally on the buffer tube assembly.
5. The buffer tube assembly of claim 4, the rail track having a longitudinal channel transecting the center of the track, forming pairs of half-rails.
6. The buffer tube assembly of claim 5, the at least one edge of each half-rail being angled, oblique in relation to the interface of the buffer tube assembly.
7. The buffer tube assembly of claim 6, wherein the rail most distant from the interface has an angle opposite the remainder of the rails, particularly that the angled edge of the furthermost half rail is acute towards the interface
8. The buffer tube assembly of claim 2, the securing means further comprising a clip hole and clip, said clip to interface with the hole and a corresponding hole on a stock attachment.
9. The buffer tube assembly of claim 2, further comprising an end cap, manufactured to threadingly engage the cylindrical tube at an end opposite the end interfacing with the receiver, thereby allowing the an internal length of the buffer region to be adjusted.
10. The buffer tube assembly of claim 9, the outer covering further comprising a plurality of pairs of detents, each pair located laterally on the buffer tube assembly, one on each side.
11. The buffer tube assembly of claim 9, the outer covering further comprising a rail track, defined by uniform transverse grooves and likewise uniform rails located distally on the buffer tube assembly.
12. The buffer tube assembly of claim 11, the rail track having a longitudinal groove transecting the center of the track, forming pairs of half-rails.
13. The buffer tube assembly of claim 12, the half-rails being angled, oblique in relation to the threaded end of the buffer tube assembly.
14. The buffer tube assembly of claim 13, the half rail furthest from the interface being angled in a direction opposite the remaining half-rails.
15. The buffer tube assembly of claim 9, the securing means further comprising a clip hole and clip, said clip to interface with the hole and a corresponding hole on a stock attachment.
16. A mounting assembly for a modular gunstock for a firearm comprising:
a. an interface for attachment to a firearm receiver;
b. a uniform cheek plate, disposed towards an uppermost portion of the buffer tube assembly;
c. two longitudinal tracks, each disposed beneath and on either side of the cheek plate.
17. The mounting assembly of claim 16, the outer covering further comprising a plurality of pairs of detents, each pair located laterally on the buffer tube assembly, one on each side.
18. The mounting assembly of claim 16, the outer covering further comprising a rail track, defined by uniform transverse grooves and likewise uniform rails located distally on the buffer tube assembly.
19. The mounting assembly of claim 18, the rail track having a longitudinal channel transecting the center of the track, forming pairs of half-rails.
20. The mounting assembly of claim 19, the half-rails being angled, oblique in relation to the threaded end of the mounting assembly.
21. The buffer tube assembly of claim 20, the half rail furthest from the interface being angled in a direction opposite the remaining half-rails.
22. The mounting assembly of claim 16, the securing means further comprising a clip hole and clip, said clip to interface with the hole and a corresponding hole on a stock attachment.
23. A modified buffer tube assembly for a modular gunstock for a firearm comprising:
a. An assembly body, having an interior defining a cylindrical and hollow buffer region;

b. An interface for which the assembly may be attached to a firearm receiver, the buffer region having an opening through the interface; and c. an outer surface, the surface further comprising:
i. a uniform cheek plate, disposed towards an uppermost portion of the buffer tube assembly; and ii. a rail track, defined by uniform transverse grooves and likewise uniform rails located distally on the buffer tube assembly.
24. The buffer tube assembly of claim 23, the body further comprised of a tube, about which the remainder of the assembly body is built, the tube defining the hollow buffer region.
25. The buffer tube assembly of claim 24, the outer covering further comprising a plurality of pairs of detents, each pair located laterally on the buffer tube assembly, one of each pair diametrically opposed the other on each side.
26. The buffer tube assembly of claim 25, the rail track having a longitudinal channel transacting the center of the track, forming pairs of half-rails.
27. The buffer tube assembly of claim 26, the at least one edge of each half-rail being angled, oblique in relation to the interface of the buffer tube assembly.
28. The buffer tube assembly of claim 27, wherein the rail most distant from the interface has an angle opposite the remainder of the rails, particularly that the angled edge of the furthermost half rail is acute towards the interface
29. The buffer tube assembly of claim 23, the securing means further comprising a clip hole and clip, said clip to interface with the hole and a corresponding hale on a stock attachment.
30. The buffer tube assembly of claim 23, further comprising an end cap, manufactured to threadingly engage the cylindrical tube at an end opposite the end interfacing with the receiver, thereby allowing the an internal length of the buffer region to be adjusted.
31. The buffer tube assembly of claim 30, the outer covering further comprising a plurality of pairs of detents, each pair located laterally on the buffer tube assembly, one on each side.
32. The buffer tube assembly of claim 31, the rail track having a longitudinal groove transacting the center of the track, forming pairs of half-rails.
33. The buffer tube assembly of claim 32, the half-rails being angled, oblique in relation to the threaded end of the buffer tube assembly.
34. The buffer tube assembly of claim 33, the half rail furthest from the interface being angled in a direction opposite the remaining half-rails.
35. The buffer tube assembly of claim 30, the securing means further comprising a clip hole and clip, said clip to interface with the hole and a corresponding hole on a stock attachment.
36. A, mounting assembly for a modular gunstock for a firearm comprising:
a. an interface for attachment to a firearm receiver;
b. a uniform cheek plate, disposed towards an uppermost portion of the buffer tube assembly;
c. a rail track, defined by uniform transverse grooves and likewise uniform rails located distally on the buffer tube assembly.
37. The mounting assembly of claim 36, the outer covering further comprising a plurality of pairs of detents, each pair located laterally on the buffer tube assembly, one on each side.
38. The mounting assembly of claim 37, the rail track having a longitudinal channel transecting the center of the track, forming pairs of half-rails.
39. The mounting assembly of claim 38, the half-rails being angled, oblique in relation to the threaded end of the mounting assembly.
40. The buffer tube assembly of claim 39, the half rail furthest from the interface being angled in a direction opposite the remaining half-rails.
41. The mounting assembly of claim 36, the securing means further comprising a clip hole and clip, said clip to interface with the hole and a corresponding hole on a stock attachment.
CA002490536A 2002-06-25 2003-06-23 Buffer tube for modular gunstock Expired - Lifetime CA2490536C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/180,429 2002-06-25
US10/180,429 US6651371B2 (en) 2001-06-25 2002-06-25 Modular gunstock
PCT/US2003/020442 WO2004001320A2 (en) 2002-06-25 2003-06-23 Buffer tube for modular gunstock

Publications (2)

Publication Number Publication Date
CA2490536A1 true CA2490536A1 (en) 2003-12-31
CA2490536C CA2490536C (en) 2009-11-17

Family

ID=29999165

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002490536A Expired - Lifetime CA2490536C (en) 2002-06-25 2003-06-23 Buffer tube for modular gunstock

Country Status (3)

Country Link
US (5) US6651371B2 (en)
CA (1) CA2490536C (en)
WO (2) WO2004001320A2 (en)

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US20040016167A1 (en) 2004-01-29
WO2004001320A2 (en) 2003-12-31
US6651371B2 (en) 2003-11-25
WO2004001322A3 (en) 2005-06-23
US20040055200A1 (en) 2004-03-25
CA2490536C (en) 2009-11-17
US20040255505A1 (en) 2004-12-23
US7966760B2 (en) 2011-06-28
US20030101631A1 (en) 2003-06-05
US7152355B2 (en) 2006-12-26
WO2004001320A3 (en) 2005-02-24
WO2004001322A2 (en) 2003-12-31
US6874267B2 (en) 2005-04-05
US20060096146A1 (en) 2006-05-11

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