Description
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.



![[P55340] Starting Key (2-Pack)](https://www.greatdiyhardware.com/wp-content/uploads/2026/07/p55340-starting-key-2-pack.webp)
