45 ACP for Sale

Looking to buy 45 ACP? Discover new and used listings from verified sellers across the U.S. Only on GunsAmerica.

45 ACP Overview

The .45 ACP (Automatic Colt Pistol) cartridge was designed by John Moses Browning in 1904 for military use. It emphasizes stopping power with a large-diameter bullet and moderate velocity. Today, .45 ACP remains popular among self-defense and law enforcement shooters worldwide.

Why .45 ACP Is a Top Choice

Proven stopping power with a heavy bullet.
Reliable performance in semi-automatic pistols.
Wide availability of ammunition.
Versatile for self-defense and range use.
Compatible with many classic and modern firearms.

Key Variants

45 ACP FMJ

Full metal jacket rounds ideal for target practice and training.

45 ACP +P

Higher pressure rounds offering increased velocity and energy for enhanced performance.

45 ACP +P+

Premium overpressure ammunition designed for specialized defensive needs.

45 ACP Hollow Point

Expanding bullets optimized for self-defense and stopping power.

Competitor Comparison

Feature	45 ACP	9mm	.40 S&W
MSRP (Ammo)	Varies, generally moderate	Lower cost	Moderate cost
Standard Capacity	7-13 rounds	10-17 rounds	10-15 rounds
Recoil	Moderate to strong	Light	Moderate
Stopping Power	High	Moderate	High
Typical Use	Self-defense, duty	Self-defense, competition	Law enforcement, self-defense

Best Use Cases

Personal self-defense and concealed carry.
Law enforcement duty use.
Target shooting and range training.
Home defense applications.
Collectors valuing historical calibers.

Frequently Asked Questions

Can I use .45 ACP ammunition in any handgun?

No, .45 ACP rounds fit only handguns chambered for this caliber. Always check firearm specifications before use.

What is the typical velocity of .45 ACP rounds?

Standard .45 ACP velocities range from 830 to 1150 feet per second, depending on load and bullet weight.

How does .45 ACP compare to 9mm for self-defense?

.45 ACP offers larger bullet diameter and stopping power but with increased recoil versus 9mm's higher capacity and milder recoil.

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