|
.400
Purdey 3"
This
round was originally a black powder round of the late 19th century and
was brought up to date with a smokeless loading by Purdey in the 1920's
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BULLET
WEIGHT IN GRAINS |
BARREL
LENGTH IN INCHES |
PRESSURE
at 15°C in tons per sq. in. |
MUZZLE
|
50
YARDS
|
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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|
230g
SN
|
26.5
|
14
|
2050
|
2148
|
1855
|
1759
|
1687
|
1455
|
|
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