Granted Patent B2

US 12,359,886 · App. 18/442,324 · Granted Jul 15, 2025

Inventors: James Matthew Underwood (Kennesaw, GA); Larry Cullen Underwood (Canton, GA)

F41A21/38

Abstract

Claims (45)

1. A muzzle device assembly for a firearm comprising:

a body; and

a rear member attached to a rear of the body, wherein:

the body comprises a plurality of openings on a left side of the body and a plurality of openings on a right side of the body;

at least one pair of openings on a top of the body;

the at least one pair of openings intersect one another and form a common hole at an interior surface of the body;

the plurality of openings on the left side of the body comprises at least four slotted openings extending from the interior surface of the body to an exterior of the body; and

the plurality of openings on the right side of the body comprises at least four slotted openings extending from the interior surface of the body to the exterior of the body.

2. The muzzle device assembly of claim 1 , wherein the body comprises an inner attachment portion for securing the muzzle device assembly to a barrel of the firearm.

3. The muzzle device assembly of claim 1 , wherein the rear member comprises a nut.

4. The muzzle device assembly of claim 3 , wherein the nut comprises left hand threads.

5. The muzzle device assembly of claim 1 , wherein each of the at least one pair of openings is perpendicular to an exterior surface where the opening passes through the exterior surface.

6. The muzzle device assembly of claim 1 , wherein the body further comprises a front recess configured to engage with a tool.

7. The muzzle device assembly of claim 1 , further comprising a portion inserted into each of the at least one pair of openings to at least partially reduce a flow of gases through the at least one pair of openings.

8. The muzzle device assembly of claim 1 , further comprising a plug inserted into at least one of the plurality of openings on the left side of the body or the plurality of openings on the right side of the body.

9. The muzzle device assembly of claim 1 , wherein at least one of the plurality of openings on the left side of the body or the plurality of openings on the right side of the body extend at least partially through the body at an oblique angle relative to a bore axis of the muzzle device.

10. A muzzle device assembly for a firearm comprising:

a body comprising:

at least one opening on a left side of the body;

at least one opening on a right side of the body;

at least one upper recess;

at least one lower recess; and

at least one pair of openings on a top of the body, wherein:

the at least one pair of openings are disposed in the at least one upper recess or the at least one lower recess; and

the at least one pair of openings intersect one another and form a common hole at an interior surface of the body.

11. The muzzle device assembly of claim 10 , wherein at least one of the at least one upper recess or the at least one lower recess do not protrude to the interior surface of the body.

12. The muzzle device assembly of claim 10 , further comprising a rear member attached to a rear of the body.

13. The muzzle device assembly of claim 12 , wherein the rear member comprises a nut comprising left hand threads.

14. The muzzle device assembly of claim 10 , wherein:

the at least one opening on the left side of the body comprises at least four slotted openings extending from the interior surface of the body to an exterior of the body; and

the at least one opening on the right side of the body comprises at least four slotted openings extending from the interior surface of the body to the exterior of the body.

15. The muzzle device assembly of claim 10 , wherein each of the at least one pair of openings is perpendicular to an exterior surface where the opening passes through the exterior surface.

16. The muzzle device assembly of claim 10 , wherein the body further comprises a front recess configured to engage with a tool.

17. The muzzle device assembly of claim 10 , further comprising a portion inserted into each of the at least one pair of openings to at least partially reduce a flow of gases through the at least one pair of openings.

18. The muzzle device assembly of claim 10 , further comprising a plug inserted into at least one of the plurality of openings on the left side of the body or the plurality of openings on the right side of the body.

19. The muzzle device assembly of claim 10 , wherein at least one of the plurality of openings on the left side of the body or the plurality of openings on the right side of the body extend at least partially through the body at an oblique angle relative to a bore axis of the muzzle device.

20. A muzzle device assembly for a firearm comprising:

a body comprising:

at least one opening on a left side of the body;

at least one opening on a right side of the body;

at least one upper recess;

at least one lower recess; and

at least one pair of openings on a top of the body, wherein:

the at least one pair of openings intersect one another and form a common hole at an interior surface of the body; and

at least one of the at least one upper recess or the at least one lower recess do not protrude to the interior surface of the body.

Continuity (2)

References Cited (30)