The ornamental design for a firearmsmuzzlebrake, as shown and described.
FIG. 1 is a rear perspective view of the firearms muzzle brake showing the design;
FIG. 2 is a front perspective view of the firearms muzzle brake;
FIG. 3 is a front end view of the firearms muzzle brake;
FIG. 4 is a rear end view of the firearms muzzle brake;
FIG. 5 is a left side view of the firearms muzzle brake;
FIG. 6 is a front bottom left perspective view of the firearms muzzle brake;
FIG. 7 is a top plan view of the firearms muzzle brake; and,
FIG. 8 is a bottom plan view of the firearms muzzle brake.
The broken line showing of the outer housing sleeve of the firearms muzzle brake is included for the purpose of illustrating environment and forms no part of the claimed design.