IP Library Granted Patent US 12,467,707
Granted Patent B2
US 12,467,707 · App. 18/583,620 · Granted Nov 11, 2025

Firearm barrel for lever action firearm

Inventor: Aaron E. Painter (Delavan, WI)
F41A21/04
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Quick Facts
Patent No.
US 12,467,707
App. No.
18/583,620
Granted
Nov 11, 2025
Kind
B2
Abstract

A firearm barrel for a lever action firearm. The firearm barrel has an inner barrel, and outer barrel, and a muzzle keeper. The firearm barrel may also include a gas bushing.

Claims (23)

1 . A firearm barrel for a lever action firearm, the firearm barrel comprising:

an inner barrel;

an outer sleeve situated over the inner barrel, said outer sleeve comprising an outer sleeve outer diameter; and

a muzzle keeper coupled to the inner barrel, said muzzle keeper comprising a first end portion and a second end portion;

said first end portion of said muzzle keeper comprising a first muzzle keeper outer diameter and a second muzzle keeper outer diameter, said first muzzle keeper outer diameter less than said second muzzle keeper outer diameter;

said muzzle keeper further comprising an abutment wall about said muzzle keeper, said abutment wall having a height comprising a difference between said first muzzle keeper outer diameter less than said second muzzle keeper outer diameter;

said second muzzle keeper outer diameter equal to said outer sleeve outer diameter.

2 . The firearm barrel according to claim 1 , wherein the inner barrel comprises a rear section, an intermediate section, and a front section, wherein the outer sleeve is situated over the intermediate section of the inner barrel.

3 . The firearm barrel according to claim 2 , wherein a gap is formed between the outer sleeve and the intermediate section of the inner barrel.

4 . The firearm barrel according to claim 3 , wherein the outer sleeve is formed of a carbon fiber material.

5 . The firearm barrel according to claim 2 , wherein the rear section of the inner barrel has an outer diameter (OD) that is substantially the same as an OD of the outer sleeve.

6 . The firearm barrel of claim 5 , wherein the rear section of the inner barrel further comprises a support area for supporting the outer sleeve.

7 . A firearm barrel for a lever action firearm, the firearm barrel comprising:

an inner barrel;

an outer sleeve situated over the inner barrel;

a gas bushing situated over the inner barrel; and

a muzzle keeper coupled to the inner barrel, said muzzle keeper comprising a first end portion and a second end portion;

said first end portion of said muzzle keeper comprising a first muzzle keeper outer diameter and a second muzzle keeper outer diameter, said first muzzle keeper outer diameter less than said second muzzle keeper outer diameter;

said muzzle keeper further comprising an abutment wall about said muzzle keeper, said abutment wall having a height comprising a difference between said first muzzle keeper outer diameter less than said second muzzle keeper outer diameter;

said second muzzle keeper outer diameter equal to said outer sleeve outer diameter.

8 . The firearm barrel according to claim 7 , wherein the outer sleeve further comprises a front section and a rear section, said gas bushing situated between said front section and said rear section of said outer sleeve.

9 . The firearm barrel according to claim 7 , wherein a gap is formed between the outer sleeve and the inner barrel.

10 . The firearm barrel according to claim 9 , wherein the outer sleeve is formed a carbon steel material.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 27, 2024
From: PAINTER, AARON E
To: BLACKSTONE FIREARMS, LLC
Reel/Frame 067856/0081 →
Continuity (1)
Related Publication 20250264288A1 · Aug 21, 2025
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