IP Library › Granted Patent US 9,429,387

Granted Patent B1

US 9,429,387 · App. 15/076,499 · Granted Aug 30, 2016

Modular stock for a firearm

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Quick Facts

Patent No.: US 9,429,387
App. No.: 15/076,499
Granted: Aug 30, 2016
Kind: B1

External Links

USPTO Patent Center↗ Full Patent PDF↗

Abstract

This disclosure describes systems, methods, and apparatus for a selectable barrel support that can be inserted into a forend of a firearm stock to support a first barrel type and flipped, rotated, or otherwise moved to support a second barrel type (or third or fourth barrel types). A tensioning mechanism is provided. Bull and tapered barrels are examples of two barrel types that the selectable barrel support can be used to support. The selectable barrel support enables a firearm owner or gunsmith to exchange barrel types on a firearm without having to switch out the firearm stock.

Claims (38)

1. A firearm stock comprising:

a forend comprising a recess formed from first and second inner sides and an inside bottom of the forend;

a buttstock coupled to the forend;

a selectable barrel support seated in the recess in the forend and configured to support a barrel of a firearm, the selectable barrel support having an elongate frame with a longitudinal axis, a first concave barrel recess shaped to support a first barrel type and positioned on a first side of the elongate frame, and a second concave barrel recess shaped to support a second barrel type and positioned on a second side of the elongate frame; and

a barrel tensioning mechanism having a first support frame and an adjustment mechanism; wherein

the adjustment mechanism is configured to be positioned between the first support frame and the selectable barrel support; and

wherein the first support frame has a first position and a second position and is configured to move between the first and second positions, wherein in the first position the first support frame is substantially flush with or recessed in the first concave barrel recess, and wherein in the second position the first support frame protrudes into the first concave barrel recess.

2. The firearm stock of claim 1 , wherein the selectable barrel support has a longitudinal dimension such that the selectable barrel support, when engaged with the forend, is configured to extend from a receiver to a front end of the forend.

3. The firearm stock of claim 1 , wherein the selectable barrel support is configured to support a free-floating barrel and to not contact the barrel of the firearm.

4. The firearm stock of claim 1 , wherein the selectable barrel support is configured to contact and support the barrel of the firearm.

5. The firearm stock of claim 1 , wherein the selectable barrel support is releasably held in the forend of the firearm stock.

6. The firearm stock of claim 1 , configured to receive either a bull barrel or a barrel tapered toward a front of the barrel without requiring a change of the firearm stock.

7. The firearm stock of claim 1 , wherein at least one of the first and second concave barrel recesses has a longitudinal dimension that is less than a longitudinal dimension of the selectable barrel support.

8. The firearm stock of claim 1 , wherein the barrel tensioning mechanism further comprises a second support frame; wherein

the second support frame has a first position and a second position and is configured to move between and including the first and second positions, wherein in the first position the second support frame is substantially flush with or recessed in the second concave barrel recess, and wherein in the second position the second support frame protrudes into the second concave barrel recess.

9. A barrel support system for a firearm stock, comprising:

a selectable barrel support for a firearm stock, the selectable barrel support having an elongate frame with a longitudinal axis, a first concave barrel recess shaped to support a first barrel type positioned on a first side of the elongate frame, and a second concave barrel recess shaped to support a second barrel type on a second side of the elongate frame; and

a first barrel tensioning mechanism having a first support frame and an adjustment mechanism; wherein

the adjustment mechanism is configured to be positioned between the first support frame and the selectable barrel support; and

the first support frame has a first position and a second position and is configured to move between and including the first and second positions, wherein in the first position the first support frame is substantially flush with or recessed in the first concave barrel recess, and wherein in the second position the first support frame protrudes into the first concave barrel recess.

10. The barrel support system of claim 9 , wherein the selectable barrel support has a longitudinal dimension that extends from proximal a front edge of the forend to proximal a front end of a receiver of the firearm.

11. The barrel support system of claim 9 , wherein the selectable barrel support is configured to support a free-floating barrel and to not contact the firearm barrel.

12. The barrel support system of claim 9 , wherein the selectable barrel support is configured to contact and support a barrel of the firearm.

13. The barrel support system of claim 9 , configured to receive either a bull barrel or a barrel tapered toward a front of the barrel, without requiring a change of the firearm stock.

14. The barrel support system of claim 9 , wherein at least one of the first and second concave barrel recesses has a longitudinal dimension that is less than a longitudinal dimension of the selectable barrel support.

15. The barrel support system of claim 9 , wherein the first barrel type is a bull barrel and the second barrel type is a tapered barrel.

16. The barrel support system of claim 9 , where the radii at the fore and aft portions of the first concave barrel recess are equal, and the radii at the fore and aft portions of the second concave barrel recess are not equal.

17. The barrel support system of claim 9 , wherein the barrel tensioning mechanism further comprises a second support frame; wherein

18. A selectable barrel support kit, comprising:

a barrel tensioning mechanism having a first support frame, a second support frame, and an adjustment mechanism configured to adjust a seating position of at least one of the first support frame or the second support frame; wherein

the seating position is adjustable between a first position in which the at least one of the first support frame or the second support frame is flush with or recessed in the selectable barrel support, and a second position in which the at least one of the first support frame or the second support frame protrudes from the selectable barrel support.

19. The selectable barrel support kit of claim 18 , wherein:

the first support frame is unitary with or coupled to the second support frame.

20. The selectable barrel support kit of claim 18 , wherein:

the first support frame is configured to protrude from the first concave recess when the first support frame is in the second position; and

the second support frame is configured to protrude from the second concave recess when the second support frame is in the second position.

Assignments (5)

SECURITY INTEREST Recorded May 23, 2022

From: MAGPUL INDUSTRIES CORP.

To: U.S. BANK NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT

Reel/Frame 061749/0859 →

RELEASE OF SECURITY INTEREST Recorded Mar 10, 2021

From: GLADSTONE CAPITAL CORPORATION