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Modern Personal Defense Weapon Calibers 008: The 10x25mm Norma Automatic
Oh yes, it’s that time. The 10mm Automatic, what hasn’t been said about it? Well, a decently sourced article about its history*, maybe, but that’s for another time. Right now, we’re considering the 10mm Auto (or 10mm Norma as it’s more prim and properly called) as a personal defense weapon and submachine gun caliber. The 10mm was designed in 1980 by Swedish company FFV Norma AB with input from Jeff Cooper as the most powerful and capable automatic handgun round of its day, but will that extra power pay off when pushed beyond its design limits into the 50-300m range, at least according to the JBM Ballistics calculator?
