Videos tagged with Torch Cut Receiver

This video provides an expert-level overview of an Armalite AR-18 parts kit, detailing its components and historical context. Mark Serbu, a gun designer, examines the kit, highlighting its origins from Sterling in England, Costa Mesa, California, and Hawa Hoa in Japan. He discusses the differences between the AR-18 (machine gun) and AR-180 (semi-auto), noting the auto sear's location in the upper receiver. The video also touches on the unique gas system with a fixed piston and moving cylinder, the barrel extension integrated into the trunnion, and the challenges of repairing a torch-cut receiver.