45 Long Colt Ammo In Stock For Sale And Ready To Ship

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45 Colt Ammo for Sale

The .45 Colt (11.43×33mmR) is a rimmed, straight-walled, handgun cartridge dating to 1872. It was originally a black-powder revolver round developed for the Colt Single Action Army revolver. This cartridge was adopted by the U.S. Army in 1873 and served as an official US military handgun cartridge for 14 years.

Samuel Colt, a cartridge designer, created the .45 Colt in 1872 as a black powder round for the Colt Single Action Army (also known as the Peacemaker) revolver. This cartridge has a .454-inch bullet inside of a 1.285-inch long straight-walled case with a rim. The round is 1.6 inches long overall and is known as the .45 Long Colt (LC).

.45 Colt Ammo Specifications

Although 45 Colt ammunition was first made available in the 1870s, it still embodies that era. It has been preserved by gunmakers who have introduced revolvers chambered for 45 Long Colt cartridge as modern self-defense weapons or as Old West pistol reproductions. It’s frequently found as the recognizable Colt Single-Action Army revolver or another firearm like the Taurus Judge, which has dual-loading capability. Shotshells in calibers 45LC and .410. But ammunition for popular lever-action and novelty rifles chambered in 45 Long Colt is also

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)
Rim 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 (CIP)	15,900 psi (110 MPa)
Maximum pressure (SAAMI)	14,000 psi (97 MPa)

Colt .45 revolvers made until early WWII had barrels with .454″ groove diameters. After these diameters of .451–.452″ were produced. Using .454″ diameter bullets in the smaller barrels will work but will generate higher pressures. Cases used with .454″ bullets may have to be full-length resized to work in newer guns. Speer handloading guidance states that the loads they show should be used only in handguns made specifically for modern smokeless powder. The loads mentioned in No. 10 reloading manual state that they do not exceed 15,000 psi.

45 Long Colt Ammo Ballistics

This is the equivalent of +P loading as normal pressure for the .45 Colt is 14,000 psi. The U.S. Army’s .45 Colt round used in its M1909 revolver, which had a barrel of 5.5 inches (140 mm), fired a 250-grain (16 g) bullet at a muzzle velocity of 738 ft/s (225 m/s), giving a muzzle energy of 297 ft⋅lbf (403 J).^[8] Today’s standard factory loads develop around 400 ft⋅lbf (540 J) of muzzle energy at about 860 ft/s (260 m/s), making it roughly equivalent to modern .45 ACP loads. There are Cowboy Action Shooting loads which develop muzzle velocities of around 750 ft/s (230 m/s).

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, Double Tap	900 ft/s (270 m/s)	450 ft⋅lbf (610 J)
300 gr (19 g) JSP +P, Cor-Bon	1,300 ft/s (400 m/s)	1,126 ft⋅lbf (1,527 J)
360 gr (23 g) Nosler JHP +P, Double Tap	1,200 ft/s (370 m/s)	1,151 ft⋅lbf (1,561 J)

The modern .45 Colt bullet has changed as well, and it is now .451 inches in diameter for jacketed bullets, and .452 for lead bullets. The .45 Colt became the basis for other rounds, such as the .454 Casull SHOP NOW

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