1/2-28 2b Hk 3 Lug 9mm Adapter

Our thread adapters are composed of austenitic alloy and iron-chromium-nickel steel. They are corrosion resistant and finished in black oxide. Inside thread of 1/2-28 2B to an outside of HK 3 Lug to fit 3 lug suppressors. Call if any questions on your application and for dealer prices. (gun & other parts sold separately)