The 5.6×57mmR (designated as the 6,5 × 57 R by the C.I.P.) cartridge was created by in Germany for hunting small deer.
5.6×57mm rimless variant The 5.6×57mm (designated as the 5,6 × 57 by the C.I.P.) 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 (3380 ft/s) 60 gr @ 3700 ft/s
See also List of rimmed cartridges
References