Handgun cartridge reference
.45 ACP Ammunition
Also known as Automatic Colt Pistol, 11.43x23mm.
A large, heavy, low-velocity pistol round prized for its stopping reputation and soft, pushing recoil in full-size handguns.
At a glance
Common firearms in .45 ACP
Frequently asked
How much does .45 ACP cost per round?+
.45 ACP typically runs about $0.38–$0.62 per round online, roughly $500 for a 1,000-round case at the middle of that range (as of 2026). Bulk cases lower the per-round cost, while premium defensive or match loads run higher. Prices move with supply, so track your own cost per round over time.
What is .45 ACP used for?+
.45 ACP is most commonly used for self-defense, target. A large, heavy, low-velocity pistol round prized for its stopping reputation and soft, pushing recoil in full-size handguns.
What firearms are chambered in .45 ACP?+
Popular options include 1911, Glock 21, SIG P220, H&K USP45. It falls in the handgun category.
How much does .45 ACP recoil, and is it available?+
.45 ACP has moderate recoil for its class, and availability is currently "very common." You'll find it at most retailers and online.
Track your .45 ACP the smart way
Rangium logs your .45 ACP by the round: stock on hand, cost per round and spend over time, with low-stock warnings when you run short. Ask Vanta how much you have left, and list or find .45 ACP firearms in the marketplace.