Cloning MK 248 Mod 1 - Part 1 - 300 Win Mag
This video series aims to replicate the performance of the MK 248 Mod 1 military ammunition. Part 1 focuses on the 300 Winchester Magnum caliber and the use of the 220gr Sierra Match King projectile. The creator intends to build a new reloading series around this specific endeavor, offering a deep dive into achieving military-grade performance from a civilian reloading bench.







