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.44 AMP (uses the .44 Magnum bullet).357 AMP (uses the .357 Magnum bullet).300 AMP (uses the .30 Carbine bullet; necked down at a different shoulder angle than the .30 LMP).45 Win Mag.45 ACP (experimental only).475 Auto Mag (experimental only, uses the .475 Wildey Magnum bullet) Lee Jurras.41 JMP (Uses the .41 Magnum bullet) Kent Lomont
The .44 Auto Magnum Pistol (AMP) is a large-caliber, semi-automatic pistol cartridge developed in 1971 by Harry Sanford. [2] The primary use is in the Auto Mag Pistol . [ 3 ] The cartridge was also employed in the Wildey automatic pistol, including a few other custom pistols. [ 4 ]
Despite the ".44" designation, guns chambered for the .44 Magnum round, its parent case, the .44 Special, and the .44 Special's parent case, the .44 Russian all use 0.429 in (10.9 mm) diameter bullets. [3] The .44 Magnum is based on the .44 Special case but lengthened and loaded to higher pressures for greater velocity and energy.
Handgun cartridges Cartridge name Bullet diameter Case length Cartridge length Type Source in mm in mm in mm 2.34mm rimfire (for Swiss mini gun) .092 2.3.240 6.1: Rimmed, rimfire
The .454 Casull generates almost five times the recoil of the .45 Colt, and about 75% more recoil energy than the .44 Magnum. [6] It can deliver a 250 grain (16 g) bullet with a muzzle velocity of over 1,900 feet per second (580 m/s), developing up to 2,000 ft-lb (2.7 kJ ) of energy from a handgun.
The pistol is offered with a choice of either single-action or double-action trigger mechanisms. Barrels are currently available in 8 in (203 mm), 10 in (254 mm) or 12 in (305 mm) lengths. [ 11 ] Other lengths of 5 in (127 mm), 6 in (152 mm), 7 in (178 mm) and 14 in (356 mm) have been discontinued. [ 12 ]
The most well-known is the .44 Magnum which uses a 0.429 to 0.430 inch diameter bullet, depending on jacket or cast. Though less common than the smaller .38 caliber family of cartridges, the caliber is popular with many shooters and the .44 Magnum in particular facilitated the rise of handgun hunting .
The .444 Marlin (10.9×57mmR) is a rifle cartridge designed in 1964 by Marlin Firearms and Remington Arms.It was designed to fill the gap left when the older .45-70 cartridge was not available in new lever-action rifles; at the time it was the largest lever-action cartridge available. [1]