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:

• Silencerco
• Rugged
• Deadair Odessa
  • Replaces your 1-3/8″-24 Adapter
  • 17-4 Stainless Steel
  • Black Oxide
  • 1-3/8-24 Mount Thread Pitch
  • *DOES NOT INCLUDE PISTON*
  • **NOT COMPATABLE WITH SIDEWINDER PISTONS**