1/2" - 9/16" Conversion Adapters

Convert your 1/2"-36 RH (Most 9mm AR-15's, older YHM .300 BLK [Before June 2015]) barrel threads to 1/2"-28 RH with this premium black stainless steel thread adapter from Infinite Product Solutions! Compatible with both rifle and pistol threads, this is...

Convert your 1/2"-36 RH (Most 9mm AR-15's, older YHM .300 BLK [Before June 2015]) barrel threads to 1/2"-28 RH with this premium stainless steel thread adapter from Infinite Product Solutions! Compatible with both rifle and pistol threads, this is the...

Extend your internal 3/8"-24 RH barrel threads to 1/2-28 RH for mounting standard .22 accessories such as flash hiders, Muzzle Devices, supressors, or cleaning adapters. This high quality adapter features a durable black oxide steel construction and...