.50 Peacekeeper

.50 Peacekeeper
Type	Centerfire rifle
Place of origin	United States
Production history
Designer	J.D. Jones
Specifications
Parent case	.460 Weatherby Magnum
Case type	Belted, bottleneck
Bullet diameter	.510 in (13.0 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)
Primer type	Large rifle magnum
Ballistic performance
Bullet mass/type Velocity Energy 647 gr (42 g) Speer FMJ BT 2,400 ft/s (730 m/s) 8,274 ft⋅lbf (11,218 J)
Source(s): "Ballistics for .50 Peacekeeper". Airborne Combat Engineer. May 11, 2005.

The .50 Peacekeeper is a wildcat rifle cartridge that was designed by J.D. Jones of SSK Industries. It uses a .460 Weatherby Magnum case that has been re-sized to accept a .510 in (13.0 mm) diameter bullet.

The .50 Peacekeeper is usually loaded with bullets that weigh in the range of 650 to 750 gr (42 to 49 g), and with muzzle velocities that range from 2,200 to 2,400 ft/s (670 to 730 m/s). A 750 gr (49 g) bullet fired at 2,205 ft/s (672 m/s) carries roughly 8,100 ft⋅lbf (11,000 J) of energy. Recoil in a 12 to 15 lb (5.4 to 6.8 kg) rifle is slightly less than that of a 30 lb (14 kg) rifle chambered in .50 BMG.

See also

• .500 A-Square
• List of rifle cartridges
• Glossary of firearms terminology

References

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