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The Spike's Tactical Micro Gas Block for barrels with a .750" inside diameter is made from solid billet steel and has a black Nitride coating for corrosion resistance and ease of cleaning. Includes two set screws.
Features:
Low profile design Inside diameter: .750" Made from U.S.A. 4140 Steel Weight 1.9 ounces Made form Solid Billet Steel Black Nitride Coating