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M1911

Colt's · Pistol

M1911

Short recoil (semi-automatic) · .45 ACP · introduced 1911

Also known as Colt Government Model, Colt 1911, Government .45

About the M1911

The M1911 is a semi-automatic pistol chambered in .45 ACP, produced by Colt's Manufacturing Company since 1911. This American-manufactured firearm reflects the engineering traditions and quality standards of its country of origin, designed to meet the demands of both civilian and professional users in a competitive global marketplace. Featuring a 7-round magazine capacity, this pistol offers compact firepower for concealed carry applications. The 5.0-inch barrel provides an excellent balance between sight radius and portability, making it equally suitable for duty carry and recreational shooting. At 1105g (39.0 oz), this is a substantial firearm whose weight contributes to reduced felt recoil and enhanced stability during precision shooting. The steel frame provides a solid, premium feel with the durability to withstand decades of regular use and thousands of rounds. This firearm represents its manufacturer's commitment to delivering a well-engineered, reliable product that serves the needs of discerning shooters seeking quality, accuracy, and dependable performance from a proven platform.

The M1911 served as the standard U.S. military sidearm for 75 years -- the longest service tenure of any standard-issue handgun in U.S. history. John Moses Browning's tilting-barrel locked-breech design became the foundation for the vast majority of modern semi-automatic pistols. Over a century after its adoption, the 1911 platform remains one of the best-selling handgun designs in the world.

M1911 specifications

General

Type
Pistol
Action
Short recoil (semi-automatic)
Firing mechanism
Hammer-fired
Trigger
Single action
Trigger pull
2.2 kg (4.9 lb)
Calibres
.45 ACP
Magazine capacity
7 rounds
Magazine
Detachable box magazine

Dimensions

Barrel length
127 mm (5.0 in)
Overall length
219 mm (8.6 in)
Height
133 mm (5.2 in)
Width
32 mm (1.3 in)
Weight (empty)
1.10 kg (2.44 lb)
Weight (loaded)
1.25 kg (2.75 lb)
Sight radius
165 mm (6.5 in)

Barrel

Rifling twist
1:16 in (406 mm)
Rifling
Left hand
Grooves
6

Materials

Barrel
Steel
Receiver / frame
Steel
Slide
Steel
Finish
blued

Performance

Muzzle velocity (typical)
253 m/s (830 fps)
Muzzle energy (typical)
477 J (352 ft·lb)
Effective range
50 m

History

Introduced
1911
Production status
Discontinued
Country of origin
US
Designer
John Moses Browning

Features

  • Single action trigger
  • Locked breech
  • Tilting barrel
  • Exposed hammer
  • Beavertail grip safety

Safety

  • Grip safety
  • Manual thumb safety
  • Half cock notch
  • Firing pin block

The M1911A1 variant, introduced in 1926, featured several improvements over the original design including an arched mainspring housing, shorter trigger, wider front sight, extended grip safety tang, and simplified checkering. The pistol was officially replaced in U.S. military service by the Beretta M9 in 1985, though specialized units including MARSOC continued using modernized variants like the M45A1 CQBP. The M1911 remains in production by numerous manufacturers including Colt, Springfield Armory, Kimber, Remington, and Ruger, with modern variants offering features such as accessory rails, enhanced sights, and improved ergonomics while maintaining the core Browning design.

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