45 ACP
45 ACP (Automatic Colt Pistol) Ammo is a popular handgun cartridge that is perfect to use in legendary 1911 pistols. These hard-hitting rounds are well-known around the world for both stopping power and reliability. The muzzle energy of 45 ACP ammo ranges between 300 and 500 ft. which is higher than most 9mm cartridges. Introduced in 1904 by John Moses Browning, this rimless straight-walled handgun standard cartridge operates at a low chamber pressure rating of 21,000 psi.
Ballistic Properties of 45 ACP Ammo:
Bullet Weight / Type
Velocity
Energy
185 grain / Bonded Defense
1,225 feet / second
835 Joules
185 grain / Jacketed Hollow Point
1,050 feet / second
614 Joules
200 grain / Jacketed Hollow Point +Pressurized
1,080 feet / second
702 Joules
230 grain / Federal Hydra-Shok
900 feet / second
561 Joules
230 grain / US Army Ball Full Metal Jacket
830 feet / second
477 Joules
45 ACP Ammo is available from 68 grains to 300 grains. Rounds under 100 grains and over 260 grains are specialty rounds. 186-grain and 230 grain are the perfect for reloaders and target shooters. A 230 grain round travels at about 830 ft/second when fired using a 1911 pistol.
45 ACP Ammo Specification:
Case type: straight, Rimless,
Bullet diameter: 11.5 mm (.452 in)
Neck diameter: 12.0 mm (.473 in)
Base diameter: 12.1 mm (.476 in)
Rim diameter: 12.2 mm (.480 in)
Rim thickness: 1.2 mm (.049 in)
Case length: 22.8 mm (.898 in)
Overall length: 32.4 mm (1.275 in)
Case capacity: 1.73 cm3 (26.7 gr H2O)
Rifling twist: 406 mm
Maximum pressure (CIP): 19,900 psi (137 MPa)
Maximum pressure (SAAMI): 21,000 psi (140 MPa)
45 Colt Ammo
About
The .45 Colt Ammo, also known as .45 Long Colt Ammo, is straight-walled, rimmed handgun bullet that was designed in 1872 and manufactured in the next year, 1873. The .45 Colt Ammo was initially created as a black-powder round for revolvers. For 14 years, the .45 Colt Ammo served as an official handgun for the United States military since 1873. The modern .45 Colt Ammo loadings use smokeless powder. The .45 Colt Ammo cartridge is an inside lubricated type, meaning it was completely safe from dirt and grit during handling, making it quite popular. The .45 Colt Ammo remains popular in Cowboy Action Shooting, while the bullet is also used in handgun hunting and target shooting competitions. The overall length of this bullet is 40.6mm, while the diameter measures 11.5mm. The .45 Colt Ammo can travel at a velocity of 1,125 feet per second while creating an energy level of 450 ft.lbf.
Manufacturer
The .45 Colt Ammo resulted from a joint operation between Colt's Patent Firearms Manufacturing Company and the Union Metallic Cartridge Company in the United States in 1872.
Uses
The .45 Colt Ammo still remains in use 148 years after its introduction and is widely used in hunting medium to big game like deer, elk, and black bear. The heavier variants of the .45 Colt Ammo create enough penetrating power to take down the heavy game easily.
