Spikes Tactical Rifle Gas Block Extension

This is the perfect piece to complete your build and hide the front hole from the front sight base. Use when switching over to a low profile gas block. Specifications for Spikes Tactical Rifle Gas Block Extension: Manufacturer: Spikes Tactical Coating: Black Nitride Fabric/Material: Solid Billet Steel Weight: 1.3 oz Additional Features: w/One Set Screw Country of Origin: USA Features of Spikes Tactical Rifle Gas Block Extension: .750 Gas Block Extension Solid Billet Steel .750 I.D. Black Nitride Coating One Set Screw Weight: 1.3oz .625 Gas Block Extension Solid Billet Steel .625 I.D. Black Nitride Coating One Set Screw Weight: .9oz Package Contents: Spikes Tactical Rifle Gas Block Extension