 The recoil energy of from this combination is about 50% more than an average American .30-06 rifle, but light by the standards of other African game cartridges such as the .375 H&H Magnum.Ammunition and arms catalogs of the era describe a standard loading of a 270 gr "metal-covered" (i.e., jacketed) soft nose bullet.No other bullet weights or patterns are shown, although it is possible that full-metal-jacketed or other patterns or weights of bullets may have been produced at some time.