Originally Posted By: Drew Hause
The original 1922/1923 Western Cartridge Co. 12g 'Super-X Field', Peters Cartridge Company's 'High Velocity', United States Cartridge's 'Ajax Heavies Long-Range', and Remington's Kleanbore 'Nitro Express Extra Long Range' loads were all 2 3/4 inch, 1 1/4 oz., 3 3/4 Dram Eq. (1330 fps).

Split down the middle NID




Can we dig up the chamber pressures these 1922/1923 loads were generating??