.300 Weatherby Magnum

Test barrel: 660 mm (26”), 1 in 10” twist
Primers: Large Rifle Magnum
Cases: Weatherby, trim-to length 71,50 mm (2.815”)

CAUTION: Loads less than the listed starting loads may cause excessive chamber pressure and must not be used!

 
Bullet8,1 g / 125 grBallistic Tip, NoslerC.O.L. 90,0 mm / 3.543 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1605,1980.2104634305,5285.211043623
 
Bullet9,7 g / 150 grBallistic Tip, NoslerC.O.L. 90,1 mm / 3.547 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1604,8875.294531025,2280.610033291
N1655,2781.394931135,5986.310193343
 
Bullet10,7 g / 165 grSPBT, SpeerC.O.L. 90,3 mm / 3.555 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1604,8574.892330285,1679.69753200
N1655,2480.993230575,5785.99843228
 
Bullet11,7 g / 180 grSP, HornadyC.O.L. 90,3 mm / 3.555 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1604,6671.987528725,0177.39303050
N1655,0477.788829125,4383.89443098
 
Bullet13,0 g / 200 grHPBT, SierraC.O.L. 90,3 mm / 3.555 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1654,3967.779526094,8775.18582814
N1704,4468.578125625,1178.98592817
N5604,4769.082126944,8174.28722862
 
Bullet13,0 g / 200 grNaturalis, LapuaC.O.L. 88,5 mm / 3.484 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1653,8058.676024934,2966.28002625
N5604,1664.281626774,4468.58422762
N1704,5069.480026254,8274.48402756