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.
Features :
Features :
- ,Replaces your 1-3/8"-24 Adapter"
- 17-4 Stainless Steel
- Black Oxide
- "1-3/8"-24 Mount Thread Pitch,