.318 Rimless Nitro Express

Developed by Westley Richards around 1910 for use in their Mauser type bolt action rifles this has been and still is a very popular round for use against non-dangerous 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
180g SN
28"
18.5
2700
2920
2540
2580
2390
2290
250g S/SN
28"
18.5
2400
3194
2295
2922
2191
2670

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