Marlin's answer to the .44 Magnum's lever-action popularity, scaled up to rifle power. Effective big-bore brush cartridge.
Type: Rifle
Introduced: 1964, United States
Parent case: None
Standardization: SAAMI
Bullet diameter: 0.429" (10.9 mm)
Case length: 2.225" (56.52 mm)
Overall length: 2.57" (65.28 mm)
Max pressure: 44,000 PSI
Rim type: Rimmed
Primer: Large Rifle
Typical twist rate: 1:20
Muzzle velocity: 1900–2400 fps
Muzzle energy: 1920–3110 ft-lbs
Effective range: 250 yd
Common bullet weights: 240, 265, 300 gr
Primary use: Hunting, Big Game
Production status: Active
Also known as: 444 Marlin
History: Introduced by Marlin and Remington in 1964 for the Marlin 336. Designed as a more powerful alternative to .44 Magnum in lever-action rifles. Uses the same bullet diameter as .44 Magnum but in a much longer case.
Notable firearms: Marlin 336, Marlin 444
Similar cartridges: .45-70 Government, .450 Marlin