The .300 Savage cartridge is a rimless, .30 caliber rifle cartridge developed by Savage Arms in 1920. It was designed to replace the less powerful .303 Savage in their popular Savage Model 1899 hammerless lever-action rifle, which they started to produce again as Model 99, as well as the new Savage Model 1920 bolt-action rifle. Despite having a short case in order to fit the original Model 99 magazine and a rather stumpy neck, the cartridge is capable of propelling a bullet at over with an effective range of over .
Pressure level for the .300 Savage is set by SAAMI at 46,000 CUP.