Some Brief Shooting with a SIG 553R
This video demonstrates a unique cooling test on a SIG 553R by Ian McCollum of Forgotten Weapons. After firing the rifle extensively on full-auto, it's submerged in water to test its resilience. The rifle continues to function reliably after this aggressive cooling, showcasing its robust design. Ian McCollum, a recognized expert in firearms history and mechanics, guides the viewer through this experimental procedure.











