5.6×57mmRThe 5.6×57mmR cartridge was created by in Germany for hunting small deer.5.6×57mm rimless variantThe 5.6×57mm is a rimless variant of the 5.6×57mmR. The rimmed variant was designed for break-open rifles and is almost identical to the rimless variant except for the rim.Ballistics Loads: 74 gr @ 1040 m/s 60 gr @ 3700 ft/s