This is currently loaded obsolete black powder cartridge rifle ammunition for rifles chambered in 577-450 Martini Henry chambering. These are loaded using Swiss Black Powder, properly head stamped boxer primed brass (#JAM577450MH) and .460" 480 grain RN bullets (item #460481) cast from 20-1 alloy lubed with SPG loaded using the same charge of black powder they did originally, 85 grains of black powder.
NOTE: All ammunition is shipped via FedEx or UPS Ground "Adult Signature Required" Only. So be sure you have a physical shipping address on your order as they will not deliver to a P.O. Box.