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.

COLT 45 for Sale