Yankee Hill Machine Phantom Flash Hider Without Teeth .308
The Yankee Hill Machine AR 15 Muzzle Brake 5 Port Phantom design and performance in a .308 format. Includes Crush Washer. This 5 port design has no downward facing port which helps prevent dust problems when shooting in the prone position.
7.62 NATO/.308 Winchester
5/8X24 Thread Pattern