Launched by Remington in 1962 as a short magnum based on the .375 H&H situation this is the most well-liked and prevalent magnum cartridge on earth. The reasons are really evident. Like the many short 7mm magnum cartridges...WJS described: I shot 25 rounds out of Springfield XDM w/five.twenty five" bbl and 25rds beyond Ruger LC9. They shot flawless