The Yankee Hill Machine Co Nielsen Booster Assembly replaces the direct thread adapter on a YHM Suppressor or any other suppressor on the market which utilizes the 1-3/8"-24. Designed to be used with handguns and barrels which require a Nielsen Piston spring. *DOES NOT INCLUDE PISTON*
Compatible Pistons:
Specifications:
Compatible Pistons:
- Silencerco
- Rugged
- Deadair Odessa
Specifications:
- Replaces your Direct Thread Adapter
- 17-4 Stainless Steel
- Matte Black Finish
- 1-3/8"-24 Mount Thread Pitch