AR Gas block with picatinny rails, .936" diameter is made to attach to the modern "Bull" barrels. Clamp on with two hardened 8-32 socket head screws for secure mounting. Hardcoat anodized aluminum, 4 M1913 Picatinny rails for easy attachment of accessories. MADE IN USA!
This product was added to our catalog on Saturday 19 January, 2008.