.45 ACP Ammo
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Original price $ 34.31Original price $ 34.31 - Original price $ 34.31Original price $ 34.31Current price $ 30.99$ 30.99 - $ 30.99Current price $ 30.99| /
Hornady .45 ACP +P 220 gr Critical Duty FlexLock Ammunition - 20 Round Box
HornadyIn stockCritical duty features a high-antimony lead core that is extremely tough and delivers controlled expansion.It also provides a more economical choic...
View full detailsOriginal price $ 34.31Original price $ 34.31 - Original price $ 34.31Original price $ 34.31Current price $ 30.99$ 30.99 - $ 30.99Current price $ 30.99| /Save 10% Save % -
Original price $ 23.67Original price $ 23.67 - Original price $ 23.67Original price $ 23.67Current price $ 21.99$ 21.99 - $ 21.99Current price $ 21.99| /
Hornady .45 ACP 185 gr American Gunner XTP Hollow Point Ammunition - 20 Round Box
HornadyIn stockAmerican gunner delivers across-the-board accuracy and superior ballistic performance.It is produced in smaller batches to hornady quality control ...
View full detailsOriginal price $ 23.67Original price $ 23.67 - Original price $ 23.67Original price $ 23.67Current price $ 21.99$ 21.99 - $ 21.99Current price $ 21.99| /Save 7% Save % -
Original price $ 30.99 - Original price $ 30.99Original price$ 30.99$ 30.99 - $ 30.99Current price $ 30.99| /
Hornady .45 ACP 185 gr Critical Defense Flex Tip eXpanding Ammunition - 20 Round Box
HornadyIn stockCritical defense was developed to provide the best performance for personal protection situations and is the ultimate choice for short-barreled, co...
View full detailsOriginal price $ 30.99 - Original price $ 30.99Original price$ 30.99$ 30.99 - $ 30.99Current price $ 30.99| / -
Original price $ 26.99 - Original price $ 26.99Original price$ 26.99$ 26.99 - $ 26.99Current price $ 26.99| /
Hornady .45 ACP 230 gr Subsonic XTP Ammunition - 20 Round Box
HornadyIn stockSubsonic handgun utilizes tried-and-true xtp bullets that expand reliably at subsonic velocities.Long grooves in its gilding metal jacket combine w...
View full detailsOriginal price $ 26.99 - Original price $ 26.99Original price$ 26.99$ 26.99 - $ 26.99Current price $ 26.99| / -
Original price $ 24.92Original price $ 24.92 - Original price $ 24.92Original price $ 24.92Current price $ 23.99$ 23.99 - $ 23.99Current price $ 23.99| /
Hornady Custom Personal Defense .45 ACP 200 gr Hornady XTP Hollow Point (XTPHP) 20 Per Box
HornadyIn stockWhether you use your handgun for hunting, competition, or self-defense, custom handgun offers the most reliable ammo with the widest range of termi...
View full detailsOriginal price $ 24.92Original price $ 24.92 - Original price $ 24.92Original price $ 24.92Current price $ 23.99$ 23.99 - $ 23.99Current price $ 23.99| /Save 4% Save % -
Original price $ 29.05Original price $ 29.05 - Original price $ 29.05Original price $ 29.05Current price $ 25.99$ 25.99 - $ 25.99Current price $ 25.99| /
Hornady .45 ACP +P 230 gr Custom XTP Hollow Point Ammunition - 20 Round Box
HornadyIn stockWhether you use your handgun for hunting, competition, or self-defense, custom handgun offers the most reliable ammo with the widest range of termi...
View full detailsOriginal price $ 29.05Original price $ 29.05 - Original price $ 29.05Original price $ 29.05Current price $ 25.99$ 25.99 - $ 25.99Current price $ 25.99| /Save 11% Save %
.45 ACP Ammo
The .45 ACP (Automatic Colt Pistol), AKA .45 Auto, was designed by the famous John Browning in the early 1900s. Similar to the 9mm Luger, the .45 ACP Cartridge was designed primarily for use in semiautomatic pistols. The United States Army adopted the .45 ACP when they began issuing the M1911 Pistol. Because of the large caliber and heavy rounds the .45 ACP usually shoots, it makes it inherently subsonic, resulting in one of the most powerful pistol calibers that can be used with suppressed weapons.
Since the .45 ACP is one of the most popular handguns in use today, Clark Armory carries everything from standard target rounds to full home defense cartridges. Can't find what you're looking for? Drop us a line and we're happy to help!