KAK XM177 FH CLONE CORRECT 1/2X28

Integrated grenade ring gives the retro look you desire without hassle or extra parts. Can be used with a crush washer that’s hidden in the grenade ring counter bore and not show once installed. Design inspired by the XM-177 Moderator, this extended flash hider will extend a 12.5″ barrel to legal non-NFA length when pin and welded.