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.369
Purdey Nitro Express
The .369 Purdey
Nitro Express cartridge was designed around 1922 for use in their own
double rifles and loaded with a 270 grain bullet.
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BULLET
WEIGHT IN GRAINS |
BARREL
LENGTH IN INCHES |
PRESSURE
at 15°C in tons per sq. in. |
MUZZLE
|
50
YARDS
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100
YARDS
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VELOCITY
Feet per Second |
ENERGY
Foot/lbs |
VELOCITY
Feet per Second |
ENERGY
Foot/lbs |
VELOCITY
Feet per Second |
ENERGY
Foot/lbs |
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270
|
31
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17.0
|
2525
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3815
|
2407
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3465
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2292
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3145
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