Low Profile Gas Block (with Gas Tube)

Low profile gas blocks for 5.56 barrels are made from steel with a tough, wear-resistant black oxide finish. Fits barrels with .750″ O.D. Includes 2 set screws and spring pin. Approximate lengths of gas tubes are as follows: Rifle Length 15.5″, Mid Length 12″, Carbine Length 10″, and Pistol 7″. Gas block is 1″ long, 1.38″ tall, and 0.9″ wide.