Note: INCLUDE PISTON Aim7 Nielsen Booster Assembly1/2 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)
Features- Replaces your Direct Thread Adapter
- 17-4 Stainless Steel
- Matte Black Finish
- 1-3/8”-24 Mount Thread Pitch



