Bauer Precision 5.56 Helical, One Piece Gas Ring
This gas ring is designed specifically for use with .223 caliber and 5.56 caliber ARs and is made from durable, high-quality materials...
The POF Roller Cam Pin reduces friction and drag of the bolt carrier. The roller cam pin rolls as the action moves. The roller cam pin is NP3 coated and the body is Milspec hard chrome plated...