Yankee Hill 2055 Nelson Booster Assembly 1-3/8"-24 tpi 17-4 Stainless Steel Matte Black Rings and Adaptors The Flop Stop protects both

The Flop Stop protects both you and your weapon

The endplate is machined from billet 7075-T6 aluminum with mil-spec Type III anodized finish and a press-fit Titanium QD sling swivel cup

Stainless steel black stonewashed blade with a black G10 handle

cycling between high

Yankee Hill 2055 Nelson Booster Assembly 1-3/8"-24 tpi 17-4 Stainless Steel Matte Black Rings and Adaptors The Flop Stop protects bothThe 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. They are designed to be used with handguns and barrels which require a Nielsen Piston spring.