.458
Winchester Magnum
The .458 Winchester
Magnum, was introduced in 1956 as a big game cartridge and is suitable
for any of the most dangerous game in the world. It has been tried and
tested extensively in Africa and has proved itself totally adequate
for any of the toughest game found there.
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
{bullet
weight}
{barrel
length}
{pressure}
{muzzle
velocity}
{muzzle
energy}
{50
yd velocity}
{50
yd energy}
{100
yd velocity}
{100
yd energy}
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