Product Overview: 45 Colt (Long Colt) Ammunition

The .45 Colt, often referred to as the .45 Long Colt, is a classic revolver cartridge that has been in continuous use since its introduction in 1872 by Colt’s Patent Firearms Manufacturing Company. Originally designed for the Colt Single Action Army (SAA) revolver, the .45 Colt quickly became a favorite among lawmen, outlaws, and cowboys of the American West. Today, it remains popular among shooting enthusiasts for its historical significance and versatility in both cowboy action shooting and modern firearms.


  1. Caliber: .45 Colt (Long Colt)
  2. Bullet Diameter: 0.452 inches (11.5 mm)
  3. Case Length: 1.285 inches (32.6 mm)
  4. Overall Length: 1.60 inches (40.6 mm)
  5. Bullet Weight: Varies from 200 to 300 grains (typical weights: 225 gr, 250 gr, 255 gr)
  6. Muzzle Velocity: Typically ranges from 700 to 1000 feet per second (fps) depending on the load
  7. Muzzle Energy: Typically ranges from 300 to 500 foot-pounds (ft-lbs) depending on the load
  8. Primer Type: Large pistol
  9. Case Type: Rimmed, straight-walled
  10. Pressure: Standard pressure loads and +P loads available (Standard: ~14,000 psi, +P: ~20,000 psi)

Performance Characteristics

  • Accuracy: Known for good accuracy in revolvers and lever-action rifles.
  • Recoil: Moderate to heavy, depending on bullet weight and load.
  • Uses: Ideal for target shooting, cowboy action shooting, hunting medium-sized game, and self-defense.


.45 Colt Ammunition

.45 Long Colt Ammo

Cowboy Action Shooting Ammo

Revolver Ammunition

Lever-Action Rifle Ammo

Handgun Cartridges

Historical Cartridges

Self-Defense Ammo

Hunting Ammunition

Reloading Components for .45 Colt

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