Firearm buffer system and buttstock assembly

• US 8,943,947 B2
• Filed: 03/15/2013
• Issued: 02/03/2015
• Est. Priority Date: 03/15/2013
• Status: Active Grant

• Current Assignee: LWRC International LLC
• Original Assignee: LWRC International LLC
• Inventors: Gomez, Jesus S.
• Primary Examiner(s): Hayes, Bret
• Assistant Examiner(s): MORGAN, DERRICK R
• Application Number:
  US13/837,697
• Publication Number:
  US 20140260946A1
• Time in Patent Office: 690 Days
• Field of Search: 42/10.6, 42/710.1, 42/72, 42/73, 42/74, 42/97, 89/17.01, 891/910.1, 891/92, 891/98
• US Class Current: 89/191.01
• CPC Class Codes: F41A 3/84 mounted within the gun stock
• CPC Class Codes: F41A 5/18 gas-operated
• CPC Class Codes: F41C 23/06 Stocks or firearm frames specially adapted for recoil reduction
• CPC Class Codes: F41C 23/22 Stocks having space for the storage of objects

Abstract

A buttstock assembly configured to work in conjunction with a compact buffer assembly consisting of a buffer tube, spring and bolt carrier with an integral buffer is provided. The buttstock assembly, buffer tube and bolt carrier are configured to work with AR15/M16 type firearms and their derivatives. By incorporating the buffer onto the bolt carrier, which is used in conjunction with a buffer tube of reduced length, the overall length of the host firearm is reduced by approximately 3.2 inches. No permanent modification need be made to the host firearm in order to utilize the compact buffer assembly and buttstock assembly disclosed herein.

Claims

1. A bolt carrier assembly for a gas-operated firearm comprising a bolt carrier having a forward end and a rearward end as said bolt carrier is positioned in said gas-operated rifle, said rearward end defining an enclosed longitudinally extending opening, said enclosed longitudinally extending opening receiving at least a portion of a weighted buffer therein, said weighted buffer having a back end which is larger in diameter than said enclosed longitudinally extending opening:

wherein said weighted buffer has a front end which is larger in diameter than said enclosed longitudinally extending opening, a body portion of said weighted buffer extends between said front end and said back end, said body portion is configured to be housed within said enclosed longitudinally extending opening thereby facilitating limited longitudinal movement of said buffer therein.

2. The bolt carrier assembly as set forth in claim 1, wherein said weighted buffer has the general shape of a barbell, the back end of said buffer is integrally attached to said body portion, said front end has an opening configured to receive a portion of said body portion therein, a means is provided to secure said front end to said body portion.

3. The bolt carrier assembly as set forth in claim 2, wherein said opening of said front end of said buffer is threaded, a forward end of said body portion is threaded to receive and thereby secure thereto said front end of said buffer.

4. The bolt carrier assembly as set forth in claim 2, wherein said front end is welded to said body portion of said buffer.

5. The bolt carrier assembly as set forth in claim 1, further comprising a return spring, said rearward end of said bolt carrier being provided with a boss having an outer diameter that is in contact with an interior of a receiver of the gas-operated firearm, said boss defining an annular surface along its back side that defines a plane perpendicular to the longitudinal axis of said bolt carrier, said return spring biases against said annular surface.

6. The bolt carrier assembly as set forth in claim 5, in combination with a buffer tube which is secured to the back end of a receiver of the gas-operated firearm, said buffer tube defining an interior opening configured to receive said return spring and a portion of said bolt carrier therein, and said buffer tube having a generally circular exterior defining a plurality of circumferential bands thereon.

7. The bolt carrier assembly as set forth in claim 6, further comprised of a buttstock assembly, said buttstock assembly having a housing and a shoulder stock, said housing defines a longitudinally extending circular bore which is configured to receive at least a portion of said buffer tube therein, the forward end of said longitudinally extending circular bore is smaller in diameter than the interior and rearward portions of said longitudinally extending circular bore thereby creating an internal shoulder against which the forward edge of a circumferential band of said buffer tube comes to rest when said housing and said buffer tube are secured to the receiver of a gas-operated firearm.