COLT 45 for Sale
Browse Colt 45 listings from verified sellers across the U.S. on GunsAmerica.
Quick Look
The Colt 45, officially the Colt M1911, is a historic semi-automatic pistol introduced in 1911. Designed for reliability and stopping power, it delivers consistent performance in a robust .45 ACP chambering. It remains a popular choice for collectors, law enforcement, and self-defense enthusiasts.
Why It's a Top Choice
- Legendary reliability under harsh conditions
- Powerful .45 ACP cartridge
- Strong aftermarket parts and customization
- Simple, durable design with proven performance
- Trusted by military and police forces worldwide
Key Variants
Colt M1911A1
An improved military variant with ergonomic grips, used extensively through mid-20th century conflicts.
Colt Gold Cup
Designed for precision target shooting with enhanced sights and trigger.
Colt Defender
Compact carry variant ideal for concealed self-defense.
Competitor Comparison Table
| Feature | Colt 45 | Glock 21 | Sig Sauer P220 |
|---|---|---|---|
| MSRP | $900 - $1,200 | $600 - $700 | $1,000 - $1,100 |
| Capacity/Size | 7+1 rounds | 13+1 rounds | 8+1 rounds |
| Weight | 2.44 lbs (1.1 kg) | 2.62 lbs (1.19 kg) | 2.1 lbs (0.95 kg) |
| Optics-ready | Generally no | Yes (some models) | Yes |
| Trigger Type | Single-action | Safe Action | Single-action/double-action |
| Notable Pro | Classic design, proven stopping power | High capacity, rugged polymer frame | Smooth trigger and solid accuracy |
| Notable Con | Lower capacity, heavier weight | Lack of traditional hammer | Heavier trigger pull in DA mode |
Best Use Cases
- Self-defense and concealed carry
- Law enforcement duty sidearm
- Target shooting and competition
- Military and historical collection
- Home defense
FAQs
Can I use modern .45 ACP ammo in a Colt 45?
Yes, the Colt 45 (M1911) is chambered for standard .45 ACP and safely fires modern factory and reloaded ammunition.
What is the typical magazine capacity of a Colt 45?
Standard magazines hold 7 rounds plus one in the chamber, consistent with classic M1911 design.
How does the Colt 45 compare to polymer-framed pistols?
Colt 45 offers steel frame durability and recoil control but weighs more and holds fewer rounds than polymer pistols.
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From the latest advancements in firearm technology to trusted essentials, GunsAmerica offers a comprehensive selection of gun accessories designed to enhance performance, reliability, and safety. Whether you need precision optics, durable stocks, high-capacity magazines, suppressors, or muzzle devices, our marketplace provides everything required to maintain, upgrade, and customize your firearms. We feature products from leading manufacturers, ensuring superior quality and compatibility across all firearm platforms. Our extensive inventory is built to support every shooter’s needs, from tactical applications and competitive shooting to hunting and everyday carry. At GunsAmerica, we are committed to delivering a seamless, secure shopping experience with competitive pricing, making it easier than ever to find the right accessories to optimize your firearms for any mission or environment.


