Superlative Arms Adjustable Gas Block DI Builders Kit .625in Solid Set Screw Melonite QPQ DI Gas Block Rilfe Length Melonite Gas Tube Right Hand Full. The Superlative Arms bolt carrier is compatible with all AR-15 bolts and this kit gives the end-user...
Superlative Arms Adjustable Gas Block DI Builders Kit .625in Solid Set Screw Melonite QPQ DI Gas Block Rilfe Length Melonite Gas Tube Right Hand Full. The Superlative Arms bolt carrier is compatible with all AR-15 bolts and this kit gives the end-user...