This video details the process of reloading .223 Remington ammunition to clone the military's Mark 262 Mod 1 round, using 77gr Sierra MatchKing bullets. It explores the performance of Winchester StaBALL 6.5 powder, alongside established powders like Shooters World Match Rifle and Alliant Power Pro Varmint, in a new 20-inch White Oak Armament barrel. The instructor emphasizes caution with hot loads and provides detailed insights into powder selection, seating depth, crimping, and pressure signs.
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