.300 Blackout AR-15 Barrel Change
Steve Ostrem goes over the proces of changing a .223/5.56 AR-15 to 300 Blackout by simply changing the barrel. This video will instruct you on the tool needed to accomplish this task as well as a step-by-step process to change your barrel.
WARNING: Never attempt to disassemble or reassemble a firearm unless you are absolutely certain that it is empty and unloaded. Visually inspect the chamber, the magazine and firing mechanism to be absolutely certain that no ammunition remains in the firearm. Disassembly and reassembly should follow the manufacturer’s instructions.