 In Namibia the 8×68mm S is legal for hunting Big Five game if the loads have ≥ muzzle energy.So it often is used for cape buffalo, with bullets like the 14.26 gram (220 gr) Swift A-Frame, for example.Maximum muzzle velocity comparison in % of the probably most proliferated European and American 8 mm rifle cartridges out of 650 mm (25.59 in) long barrels loaded with relatively light to heavy 8 mm bullets to their C.I.P.