.475 Wildey Magnum

.475 Wildey Magnum
.44 Auto Magnum Pistol, .45 Winchester Magnum, .45 Wildey Magnum, .475 Wildey Magnum.
TypePistol
Place of originUnited States
Production history
DesignerWinchester
Designed1977
ManufacturerWildey
Produced1984–Present
Specifications
Parent case.284 Winchester
Case typeRebated, straight
Bullet diameter.475 in (12.1 mm)
Neck diameter.493 in (12.5 mm)
Base diameter.501 in (12.7 mm)
Rim diameter.473 in (12.0 mm)
Rim thickness.040 in (1.0 mm)
Case length1.198 in (30.4 mm)
Overall length1.580 in (40.1 mm)
Case capacity38 gr H2O (2.5 cm3)
Primer typeLarge magnum pistol
Maximum CUP50,000 CUP
Ballistic performance
Bullet mass/type Velocity Energy
250 gr (16 g) SP 1,850 ft/s (560 m/s) 1,900 ft⋅lbf (2,600 J)
300 gr (19 g) SP 1,610 ft/s (490 m/s) 1,727 ft⋅lbf (2,341 J)

The .475 Wildey Magnum is a large semiautomatic pistol cartridge designed for big game hunting in the Wildey pistol.

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