B&T QD Muzzle Brake for HK SP5/MP5 & B&T APC9 BT-221127
B&T QD Muzzle Brake for HK SP5/MP5 & B&T APC9 BT-221127, This muzzle break is compatible with all B&T and H&K 9mm barrels with 3-lug adapters, specifically the H&K MP5/SP5, the B&T APC9. Features a quick detach lever for easy removal and installation.