.425 Westley Richards


Introduced by Westley Richards in 1909 as a proprietary cartridge for their bolt action rifles, this round has a rebated rim of lesser diameter than the case body in order that it would fit a standard diameter Mauser bolt face. This is another very popular round for use against big game.
BULLET
WEIGHT
IN
GRAINS
BARREL
LENGTH
IN
INCHES
PRESSURE
at 15°C in
tons per
sq. in.
MUZZLE
50 YARDS
100 YARDS
VELOCITY
Feet per
Second
ENERGY
Foot/lbs
VELOCITY
Feet per
Second
ENERGY
Foot/lbs
VELOCITY
Feet per
Second
ENERGY
Foot/lbs
410g S/SN
32"
18.5
2350
5022
-
-
-
-

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