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Compatibility Notice: This list refers to piston compatibility, not suppressor models. If your suppressor has an integrated booster housing, this part is not required and will not fit.

Versatile Connectivity: Our Alpha boosters feature female threading for Alpha-pattern accessories, including the Griffin Cam Lok 1.125-28, Griffin Plan A Alpha, SilencerCo 3-lug and ASR Alpha adapters, Q Plan B Alpha, and more.

Important Restrictions: These boosters are not compatible with the PTR Vent 2. Please review the dimensions below carefully before ordering; we cannot accept returns for compatibility errors.

***These boosters are NOT compatible with the PTR Vent 2.  THIS IS NOT NEEDED FOR AND CANNOT BE INSTALLED IN ANY SUPPRESSOR THAT HAS AN INTEGRATED BOOSTER HOUSING.  Please reference the dimensions below to ensure compatibility with your application before ordering to avoid return shipping and restocking fees on an item you cannot use. PISTON OPTIONS: 1/2 x 28 TPI (CZ, 1911, FNH, S&W 9MM,22LR) 1/2 x 36 TPI (9MM) 5/8 x 24 TPI (.30 CAL) 9/16 X 24 TPI (.40 CAL) .578 X 28 (.45ACP) M13.5 X 1LH (GLOCK, STYER, SIG, HK, B&T 9MM)