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A video of the original AR-10 from the ArmaLite Division of Fairchild Engine and Airplane Corporation (now part of M7 Aerospace) being demonstrated by its developer, Eugene Stoner. The video displays why various militaries around the world were very interested in the AR-10 design and why it was able to out-perform many competing designs. The larger 7.62x51mm NATO cartridge provided enough power to drive the bolt system through most fouling, coupled with a slower burning and cleaner powder meant it didn't foul as quickly as the later cut-down AR-15, developed by Stoner's chief assistants Robert Fremont and Jim Sullivan, under request by the military as a production-prototype.
ArmaLite later developed the more influential AR-18 as a cheaper, more reliable, alternative to the AR-15 design. Eugene Stoner went on to develop several other weapon systems, in particular, the Stoner 62/63 modular rifle system while working at Cadillac Gage.