.577/450
Martini Henry
This cartridge was adopted in 1871 by the British military for use in the Martini-Henry single shot falling block rifles. Like the Snider it was originally a coiled brass case which after a few years was changed to the drawn type. It was also a popular sporting round which has been loaded with both black and smokeless powder.
AVAILABLE FROM KYNOCH AS CASES ONLY
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
480g
LEAD
33"
-
1350
1945
1273
1730
1201
1535
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