10mm Auto ≠ .41 Magnum: “Myth” Busted?

Glock-20-10mm-Auto-1

The following presentation may not be for the faint of heart… especially if you love the 10mm Auto like we do, but live with the assumption that it gives you “.41 Magnum power in a semi-auto”. Being that we are long-time, die-hard fans of the 10mm Auto cartridge, we have always been curious where the 10mm = .41 mag notion originated, having heard the comparison thrown around for years