9mm Major, also known as 9 Major, is a variation of 9x19mm Parabellum ammunition loaded to chamber pressures higher than typical 9mm rounds, with velocity sometimes exceeding 1,550 ft/s (470 m/s) to achieve a power factor of 165. This classification benefits competition shooters maximum magazine scoring.
9mm Major, also known as 9 Major, is a variation of 9x19mm Parabellum ammunition loaded to chamber pressures higher than typical 9mm rounds, with velocity sometimes exceeding 1,550 ft/s (470 m/s) to achieve a power factor of 165. This classification benefits competition shooters maximum magazine scoring.
Source: Wikipedia "9mm Major" · CC BY-SA 4.0
Share this article: X · Bluesky