The following free recoil energy table dose not take into consideration: recoil suppression devices or loss of energy due to auto loading mechanism.
English units of measure are enclosed in parenthesis. Some of the units of measure are from the cgs system, which is customarily used in place of the larger SI units of measure.
Firearm mass
Cartridge and Projectile mass
Velocity-m/s (ft/s)
Powder Charge mass
Free recoil
J
(ft • lbf )
Shilo Sharps 1874/5.4kg (12lb)
Government .45-70/27.2g PP (420gr PP)
428 (1403)
4.9g (75gr)
17.9 13.2
.378 Weatherby Magnum Type Centerfire/Rifle Place of origin South Gate, California Designer Roy Weatherby Designed ca1950 Manufacturer Weatherby Produced 1953 Parent case none Case type Belted Bullet diameter .375 in (9.5 mm) Neck diameter .399 in (10.1 mm) Shoulder diameter .560 in (14.2 mm) Base diameter .582 in (14.8 mm) Rim diameter .603 in (15.3 mm) Rim thickness .059 in (1.5 mm) Case length 2.913 in (74.0 mm) Overall length 3.65 in (93 mm) Rifling twist 1 in 12 Primer type Magnum Rifle
Bullet mass/type
Velocity
Energy
300 gr (19 g) Full Metal Jacket
2,925 ft/s (892 m/s)
5,699 ft⋅lbf (7,727 J)
300 gr (19 g) Round nose
2,925 ft/s (892 m/s)
5,699 ft⋅lbf (7,727 J)
270 gr (17 g) Truncated solid
3,060 ft/s (930 m/s)
5,615 ft⋅lbf (7,613 J)
270 gr (17 g) Pointed soft point
3,180 ft/s (970 m/s)
6,062 ft⋅lbf (8,219 J)
260 gr (17 g) Partitiion Type
3,140 ft/s (960 m/s)
5,743 ft⋅lbf (7,786 J)
Test barrel length: 26 in (66 cm)Weatherby Nosler
.45 ACP .45 ACP cartridges
Type Pistol Place of origin USA Designer John Browning Designed 1906 Parent case .30-06 Springfield Case type Rimless, straight Bullet diameter .451 in (11.5 mm) Neck diameter .473 in (12.0 mm) Base diameter .476 in (12.1 mm) Rim diameter .480 in (12.2 mm) Case length .898 in (22.8 mm) Overall length 1.260 in (32.0 mm) Primer type Large pistol
Bullet mass/type
Velocity
Energy
165 gr (11 g) JHP
1,060 ft/s (320 m/s)
378 ft⋅lbf (512 J)
185 gr (12 g) JHP
950 ft/s (290 m/s)
371 ft⋅lbf (503 J)
230 gr (15 g) JHP
850 ft/s (260 m/s)
369 ft⋅lbf (500 J)
Test barrel length: 5 inFederal Cartridge Co. Ballistics page
.338 Remington Ultra Magnum Type Rifle Place of origin USA Designer Remington Designed 2002 Parent case .300 Remington Ultra Magnum Case type Beltless, rebated, bottleneck Bullet diameter .338 in (8.6 mm) Neck diameter .371 in (9.4 mm) Shoulder diameter .5250 in (13.34 mm) Base diameter .5500 in (13.97 mm) Rim diameter .532 in (13.5 mm) Case length 2.850 in (72.4 mm) Overall length 3.600 in (91.4 mm) Rifling twist 1-10" Primer type Large rifle magnum
Bullet mass/type
Velocity
Energy
250 gr (16 g) PSP Bonded
2,860 ft/s (870 m/s)
4,540 ft⋅lbf (6,160 J)
250 gr (16 g) PSP A-Frame
2,860 ft/s (870 m/s)
4,540 ft⋅lbf (6,160 J)
Test barrel length: 26"
The .338 Remington Ultra Magnum is a .338 caliber rifle cartridge introduced by Remington Arms in 2002. It is a beltless, rebated rim cartridge created by necking up the .300 Remington Ultra Magnum case to .338 caliber with no other changes. The .338 Remington Ultra Magnum is second only to the .338-378 Weatherby Magnum in cartridge-case capacity.
Firearm mass
Cartridge and Projectile mass
Velocity-m/s (ft/s)
Powder Charge mass
Free recoil
J
(ft • lbf )
Shilo Sharps 1874/5.4kg (12lb)
Government .45-70 /25.9g (400gr)543 (1783)
3.8g (58gr)
37 27
