Videos tagged with Barrel Dimple

This guide details a method for installing low-profile AR-15 gas blocks using a thumb screw for initial alignment and a borescope for precise gas port alignment. It emphasizes the importance of set screws with teeth for better grip and provides torque recommendations for thread lockers like Rocksett and high-temperature red Loctite.

This YouTube video from Brownells Gun Tech™ features Caleb Savant providing a practical tip for installing a low-profile gas block on an AR-15. The technique focuses on utilizing the setscrew hole on the underside of the gas block and a dimple on the barrel to ensure perfect alignment when gas block manufacturers use that hole for their drilling process. This method is specifically for AR-15s with setscrew-anchored gas blocks and dimpled barrels, simplifying the installation process and guaranteeing precise alignment for optimal gas system function.

This guide details the installation of a Geissele gas block and Damage Industries gas tube onto a Rainier Arms 10.5-inch barrel for an AR-15 pistol or SBR build. It emphasizes using specialized Geissele tools for precise alignment and secure roll pin installation, as demonstrated by an experienced firearm builder.