Headspace-Operated Prototype Rifle - Yeah, it's as Weird as it Sounds
This video showcases a highly unusual prototype rifle that operates on a "headspace-operated" mechanism. The cartridge case is designed to set back in the chamber due to movement or stretching upon firing. While this concept never achieved commercial success for self-loading rifles, the inventor, potentially Francis K. Young, developed several prototypes and patents for the idea over many years. The video features the rifle courtesy of Legacy Collectibles, with a recommendation to check out their YouTube channel for more firearm history.











