.44 Magnum

.44 Magnum is a large revolver caliber. It is also used in some carbines and rifles. It is common in action movies such as Dirty Harry.

.44 Remington Magnum
.44 Remington Magnum cartridge
Type	Handgun/revolver/rifle
Place of origin	United States
Production history
Designer	Elmer Keith/Smith & Wesson
Designed	1954
Produced	1955–present
Specifications
Parent case	.44 S&W Special
Case type	Rimmed, straight
Bullet diameter	.429 in (10.9 mm)
Neck diameter	.457 in (11.6 mm)
Base diameter	.457 in (11.6 mm)
Rim diameter	.514 in (13.1 mm)
Rim thickness	.060 in (1.5 mm)
Case length	1.285 in (32.6 mm)
Overall length	1.61 in (41 mm)
Case capacity	37.9 gr H2O (2.46 cm3)
Primer type	Large Pistol
Maximum pressure	36,000 psi (250 MPa)
Ballistic performance
Bullet mass/type Velocity Energy 240 gr (16 g) SJHP Remington 1,180 ft/s (360 m/s) 741 ft⋅lbf (1,005 J) 240 gr (16 g) JHP Cor-Bon 1,475 ft/s (450 m/s) 1,160 ft⋅lbf (1,570 J) 270 gr (17 g) LFN GC Buffalo bore heavy 1,450 ft/s (440 m/s) 1,260 ft⋅lbf (1,710 J) 300 gr (19 g) JSP Cor-Bon 1,250 ft/s (380 m/s) 1,041 ft⋅lbf (1,411 J) 340 gr (22 g) LFN +P+ Buffalo bore heavy 1,425 ft/s (434 m/s) 1,533 ft⋅lbf (2,078 J)
Test barrel length: 7.5 in (190 mm) [*6.5 in (170 mm)] Source(s): Ballistics 101