THE HUXWRX HUB-QD Adapter is designed to allow any suppressor that has 1.375"x24 thread pattern mounting to be compatible with HUXWRX & OSS QD muzzle devices.
HUB-QD Adapter fit: HUB (1.375x24 tpi) Compatible Suppressors
HUB-QD Adapter compatibility: Muzzle Brake-QD 556, 6, 762, and Flash Hider-QD 556, 6, 762.