Black oxide finish, solid precision machined construction. This Short Profile Gas Block for .750 has mil spec picatinny rails on top and bottom allowing you to mount accessories such as a front sight or a laser underneath. It sits flush on your quadrail without any gaps. No modification is required. 1) 4 Slots Quickly-Attached Weaver/Picatinny/universal Rail 2) Accepts 0.75″ Regular Barrel and Standard Gas Tube 3) Type III Anodized Finished 4) Top Quality Aircraft Grade 6061 Aluminum 4)low profile for 5.56/.223
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