The Troy Industries low profile gas block replaces the standard AR-15 front sight. The slim design allows users to install rail systems and free float tubes that extend past the front sight/ gas block assembly location. The gas block is stainless steel with a black oxide finish. It is secured with two set screws located on the bottom of the block.
- Stainless steel with black oxide finish
- secured with 2 set screws
- .875" Inside Diameter
- Will not cover front taper pin hole on a barrel that has a standard mil-spec sight installed
- Will fit under rail systems and free float tubes
- Gas tube roll pin is not included