The flagship cartridge of the Auto Mag pistol — .44-caliber semi-auto magnum performance from a pistol weighing nearly 4 lbs loaded. Delivers energy approaching .44 Magnum revolver loads in a semi-automatic platform.
Type: Pistol
Introduced: 1971, United States
Parent case: .308 Winchester (cut down)
Standardization: None
Bullet diameter: 0.429" (10.9 mm)
Case length: 1.298" (32.97 mm)
Overall length: 1.6" (40.64 mm)
Max pressure: 25,000 PSI
Rim type: Rimless
Primer: Large Pistol Magnum
Typical twist rate: 1:20
Muzzle velocity: 1300–1600 fps
Muzzle energy: 676–1364 ft-lbs
Effective range: 100 yd
Common bullet weights: 180, 200, 240 gr
Primary use: Hunting, Target
Production status: Discontinued
Also known as: .44 AutoMag · .44 Auto Mag Pistol
History: The primary cartridge for the Auto Mag, introduced in 1971. Harry Callahan's weapon of choice in 'Sudden Impact' (though used earlier in 'The Enforcer'), the .44 AMP and Auto Mag pistol became one of the most recognized film firearms of the 1980s. The Auto Mag Corporation's manufacturing problems meant the pistols were as famous for jamming as for power. Original factory ammunition is now…
Notable firearms: Auto Mag Pistol (AMT)
Similar cartridges: .357 AutoMag, .44 Magnum, .44 Remington Magnum