This Wilson Combat Low Profile Gas Block will fit underneath all popular free-floating rail systems, but heavy enough to evenly dissipate heat and resist gas leakage even in high-round count use. Precisely machined from hardened chromoly steel with a dark, corrosion resistant phosphate finish this is the ideal gas block for a professional or amateur custom AR build. Precision bored and perfect for your Wilson AR barrel or the barrel of your choice. Secures to barrel with provided hardened set screws.

Features

• Precisely Machined from Hardened Chromoly Steel
• Secures to Barrel with Provided Hardened Set Screws
• Gas Tube Roll Pin Included
• .920" Length
• .400" Set Screw Spacing