.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
WEIGHT
IN
GRAINS
BARREL
LENGTH
IN
INCHES
LENGTH
IN
INCHES
PRESSURE
at 15°C in
tons per
sq. in.
at 15°C in
tons per
sq. in.
MUZZLE
50
YARDS
100
YARDS
VELOCITY
Feet per
Second
Feet per
Second
ENERGY
Foot/lbs
Foot/lbs
VELOCITY
Feet per
Second
Feet per
Second
ENERGY
Foot/lbs
Foot/lbs
VELOCITY
Feet per
Second
Feet per
Second
ENERGY
Foot/lbs
Foot/lbs
410g
S/SN
32"
18.5
2350
5022
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-
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