Description B&T 3-LUG MUZZLE DEVICE The B&T 3-lug adapter is a quick detach muzzle device designed for fixed barrel firearms such as PCC’s (pistol caliber carbines). Made to HK Spec Tri-lug mounts, the B&T 1/2×28 to Tri-lug Adapter is designed specifcally for for 9mm. Note: 9mm 3 lug muzzle devices must only be used with 9mm 3-lug suppressor mounts. Genuine B&T factory parts.
