Custom Multi-Ported AR-10, .308 muzzle brake has a unique ribbed design with 13 main ports on top, 5 smaller ports facing forward and a solid bottom half to control dust printing. It's made of solid 4150 steel with a Black Oxide finish and measures 2" long.
Solid 4150 steel construction
Black Oxide finish
Ribbed design with 18 total ports
5/8"x24 thread pitch (fits 308, 7.62x39 and 300blk)