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45 Colt Ammo

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The .45 Colt cartridge sometimes called .45 Long Colt, .45 LC, or 11.43×33mmR is a handgun cartridge dating to 1872. It was originally a black-powder revolver round developed for the Colt Single Action Army revolver.

Today, in smokeless form, it is mostly used for target and cowboy action shooting. It can also be used for hunting and self-defense with the right loads.

The .45 Colt cartridge remains in use 146 years after its introduction. It is used as a hunting load on animals the size of deer and black bear. A popular use for the .45 Colt today is in Cowboy Action Shooting, where the round is often fired from either original or replicas of the 1873 Colt Single-Action Army.

Winchester, Marlin Firearms, Henry Repeating Arms, Chiappa Firearms, Rossi, Uberti, Cimarron Firearms and other manufacturers produce lever-action rifles chambered in .45 Colt.

About .45 Colt

  • Type: Revolver
  • Place of origin: United States
  • Used by: United States
  • Designer: U.S. Army
  • Designed: 1872


  • Case type: Rimmed, straight
  • Bullet diameter: .452 in (11.5 mm)
  • Neck diameter: .480 in (12.2 mm)
  • Base diameter: .480 in (12.2 mm)
  • Rim diameter: .512 in (13.0 mm)
  • im thickness: .060 in (1.5 mm)
  • Case length: 1.285 in (32.6 mm)
  • Overall length: 1.600 in (40.6 mm)
  • Case capacity: 41.60 gr H2O (2.696 cm3)
  • Rifling twist: 1 in 16 in (410 mm)
  • Primer type: Large Pistol
  • Maximum pressure: 14,000 PSI
  • Maximum CUP: 14,000 CUP

Ballistic performance

Bullet mass/type Velocity Energy
160 gr (10 g) TAC XP, Double Tap 1,125 ft/s(343 m/s) 450 ft⋅lbf (610 J)
200 gr (13 g) JHP, Buffalo Bore 1,000 ft/s (300 m/s) 444 ft⋅lbf (602 J)
250 gr (16 g) Nosler JHP 900 ft/s (270 m/s) 450 ft⋅lbf (610 J)
300 gr (19 g) JSP +P, 1,300 ft/s (400 m/s) 1,126 ft⋅lbf (1,527 J)
360 gr (23 g) Nosler JHP +P 1,200 ft/s (370 m/s) 1,151 ft⋅lbf (1,561 J)

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Latest products for .45 colt

  • Natchez Shooters Supplies Aguila Handgun Ammuntion .45 Colt 200 gr SP 600 fps 50/ct for $52.49

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