This video details the process of cloning Mk262 ammunition using IMR 8208 XBR and Alliant AR Comp powders with 77-grain Sierra bullets. The instructor meticulously works up loads, compares Remington 7.5 and CCI No. 41 primers, and discusses pressure signs, brass longevity, and potential firearm malfunctions. The content emphasizes cautious load development and understanding individual firearm behavior.
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