.300
H&H Flanged Nitro Express
The .300 H&H Flanged, also known as the Super 30 Magnum, was designed for use in double rifles.
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
180g
SN
28"
17.5
2575
2653
2440
2381
2309
2131
220g
S/SN
28"
17.5
2250
2475
2146
2252
2045
2041