YHM Nielsen Booster Hub Adapter NO Piston

The YHM Nielsen Booster Assembly replaces the direct thread adapter on a YHM Sound suppressor or any other suppressor on the market which utilizes the 1-3/8"-24 thread. They are designed to be used on handguns and barrels which require a Nielsen Booster. Compatible Pistons:SilencercoRuggedDeadair OdessaFeatures:Replaces your 1-3/8"-24 Adapter17-4 Stainless SteelBlack Oxide1-3/8"-24 Mount Thread Pitch*DOES NOT INCLUDE PISTON***NOT COMPATABLE WITH SIDEWINDER PISTONS**