.45 Colt Ammo

30 .45 Colt ammunition listings from Cci, Federal Cartridge, HSM Munitions, and Double Tap Ammunition and more, sorted cheapest per round first so bulk cases and single boxes compare on the same footing. In-stock options run from $1.04 to $3.17 per round. Ammunition ships ground to your door in most states; where state law requires it, checkout routes it to a licensed dealer automatically.