The ornamental design for a muzzlebrake, as shown and described.
The invention described herein may be manufactured, used, and licensed by or for the U.S. Government for U.S. Government purposes.
FIG. 1 shows a back perspective view of a muzzle brake.
FIG. 2 shows a top plan view of a muzzle brake.
FIG. 3 shows a bottom plan view of the muzzle brake.
FIG. 4 shows a right side elevational view of the muzzle brake.
FIG. 5 shows a left side elevational view of the muzzle brake,
FIG. 6 shows a front elevational view of the muzzle brake; and,
FIG. 7 shows a rear elevational view of the muzzle brake.
The dash-dot broken line in the drawings depicts boundary of the claim; the evenly broken lines depict unclaimed portions of the muzzle brake. The broken lines form no part of the claimed design.