Mk 262 Cloning - pt 3 - Sierra vs Nosler with CFE223
This guide details the process of cloning Mk 262 Mod 1 ammunition using Hodgdon CFE223 powder, comparing Sierra 77gr MatchKing and Nosler 77gr Custom Competition bullets. It covers brass preparation, bullet seating with precise measurements, and range testing procedures. The instruction comes from an established subject matter expert in precision reloading, emphasizing methodical load development and data collection.













