Selected Handgun Detail

Model 1991 Government
Colt Pistol 1991 Government .45 Auto Variant-1
Scale To:
Gun Dimensions Width:1.25-in
Length:8.5-in Height:5.5-in
Barrel:5-in Weight:38-oz
Variant 1 of 4
Gun Rankings
  • Power Factor (230 grain bullet)195500
  • Recoil Factor (230 grain bullet)7.02 ft-lb
  • Total Capacity8 rounds
  • ConcealabilityFair
  • Defense Factor77%
Gun Specifications
Produced:2001 -
Caliber:.45 Auto
Action:recoil operated semi-automatic
Trigger:single-action (SA)
Safety:grip safety, manual thumb safety
Frame:blued finish carbon steel
Grip:double diamond rosewood
Sights:fixed white dot
Notes:Series 80 Model O, late model
Colt's Manufacturing Company, LLC
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Gun Value
MSRP:$899.00Used Est:$725.00
Last Update:8/26/2023
About the Gun

Colt 1991 Series is a direct descendant of the original Colt 1911A1. Features a Series 80 design, long aluminum trigger, combat sights, standard thumb safety, spur hammer, straight backstrap. Early production models were marketed with "M1991A1" roll-stamped on the left side of the slide. Later models were roll-stamped with the more common "GOVERNMENT MODEL" and caliber.

Cartridge Specifications
Cartridge: .45 Automatic
Alias: .45 Automatic Colt Pistol (ACP)
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Ballistics for This Gun
Selected Bullet Mass:230 grains
MV:850 ft/sec ME:369 ft-lbs
About the Cartridge

This cartridge was developed by John Browning and was adopted by the United States Ordnance Department along with the Colt-Browning automatic pistol in 1911. It has also been made the official military handgun chambering by several other governments, notably Argentina, Mexico and Norway. The 45 Automatic is the most powerful military handgun cartridge in use today. This is a heavy and powerful sub-sonic round. Although its muzzle energy can exceed 400 ft-lbs, its velocity and bullet weight creates a steep trajectory curve that limits its effective range to self-defense distances.

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