The Seekins Precision Low Profile Adjustable Gas Block .750 Diameter allows you to fine tune your rifle's gas system with ease and precision! These AR Gas Blocks from the experts at Seekins Precision are specially designed to be field adjustable. The Seekins Precision Low Profile .750 Diameter Adjustable Gas Block allows you to adjust the amount of gas with just the turn of a screw! Specifications for Seekins Precision Low Profile Adjustable Gas Block: Manufacturer: Seekins Precision Color: Black Fabric/Material: 1144 Steel Gas Block Journal Size-Diameter: .750 in Weight: 1.8 oz Condition: New Finish: Element Surface Treatment Features of Seekins Precision Low Profile Adjustable Gas Block .750 Diameter: Set screw style mounting Salt bath nitride finish Overall height: 1.37 Width: 0.94 .750 gas seat diameter Just 1.8 oz Package Contents: Seekins Precision Low Profile Adjustable Gas Block