7.65×35..7.92×33 October 25, 2016 at: 600 × 800 In: Modern Historical Personal Defense Weapon Calibers 003: The 7.65x35mm MAS, a .300 Blackout in the 1940s? ← Previous Next → An original 7.65x35mm MAS alongside its spiritual ancestor, the 7.92×33 Kurz. Image source: sturmgewehr.com