.300 Blackout AR-15 Barrel Change
This video provides a step-by-step guide on how to convert an AR-15 rifle from .223/5.56mm to .300 Blackout by changing the barrel. It details the necessary tools, including an Upper Receiver Action Block, Gas Block Roll Pin Punch Kit, AR-15 Armorer's Wrench, and a .300 Blackout Headspace Gauge. The demonstration focuses on the process of barrel replacement, making it a practical tutorial for AR-15 owners looking to modify their firearms for different calibers.







