.500 Wyoming Express

.500 Wyoming Express
TypeRevolver
Place of originUnited States
Production history
DesignerFreedom Arms
Designed2005
ManufacturerFreedom Arms
Produced2005–present
Specifications
Case typeBelted straight
Bullet diameter.500 in (12.7 mm)
Base diameter.525 in (13.3 mm)
Rim diameter.543 in (13.8 mm)
Case length1.37 in (35 mm)
Overall length1.765 in (44.8 mm)
Rifling twist1:20
Primer typeLarge rifle
Maximum pressure50,000 psi
Ballistic performance
Bullet mass/type Velocity Energy
325 gr (21 g) X-Treme 1,250 ft/s (380 m/s) 1,127 ft⋅lbf (1,528 J)
410 gr (27 g) Bengal WFNGC 1,500 ft/s (460 m/s) 2,048 ft⋅lbf (2,777 J)
520 gr (34 g) Bengal WFNGC 1,200 ft/s (370 m/s) 1,663 ft⋅lbf (2,255 J)
Test barrel length: 7.5
Source(s): https://tiiarmory.com/ammunition

The .500 Wyoming Express or .500 WE is a "big bore" handgun cartridge. Freedom Arms introduced the cartridge in 2005 for their Model 83 .500 WE revolver.

Like most handgun cartridges of this size, it is used almost exclusively in revolvers. It is designed mainly for hunting and wilderness defense against medium to heavy North American game.

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