Videos tagged with Geissel Automatics

Instruction from Brownells experts Steve and Caleb debunks the myth that a tight AR-15 upper-to-lower receiver fit is crucial for mechanical accuracy. They explain that accuracy is primarily determined by components within the upper receiver, such as the barrel and optic mounting. While a tighter fit may improve shooter perception and follow-up shot speed, it does not affect the inherent precision of the firearm.