Shooting a full auto M3A1 Submachine Gun at the range!
This video provides a detailed look at the M3A1 submachine gun, often called the "Grease Gun." The presenter highlights key improvements of the A1 variant over the original M3, including a beefed-up rear sight, an integrated magazine loader, a redesigned stock for barrel removal, a sturdier charging tab, and a simplified thumb-hole charging mechanism. The video culminates in a full-auto range session, offering practical insights into the firearm's handling and performance.












