HSM SUBSONIC 45-70 HITEK 550GR HCFN 20/20

550 Grain Hard Cast Flat Nose Bullet w/ Hi-Tek Supercoat - 1000 Feet Per Second From an 18'' Barrel - 1230 foot Pounds of Energy - 2.530'' Cartridge Overall Length - Rifling Twist of 1:20 or faster Recommended - Suitable for all modern lever action bolt action and single shot rifles