This is currently loaded obsolete smokeless ammunition for firearms chambered in 50-100-450 Winchester. Use in firearms suitable for smokeless ammunition. This ammunition is loaded using Starline 50-110 cases (#STR50110) and .510" 450 grain Barnes Jacketed flat nose bullets (#BBB5011020). 1470 FPS.
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.