The ornamental design for a firearmmuzzlebrake or similar article, substantially as shown and described.
FIG. 1 is a top plan view of a firearm muzzle brake or similar article
showing my new design;
FIG. 2 is a bottom plan view of said firearm muzzle brake or similar
article;
FIG. 3 is an elevational view of one side of said firearm muzzle brake or
similar article, the elevational view of the other side being
substantially a mirror image thereof;
FIG. 4 is an elevational view of the front of said firearm muzzle brake or
similar article; and
FIG. 5 is an elevational view of the rear of said firearm muzzle brake or
similar article.