.300 Remington Ultra Magnum

Test barrel: 660 mm (26”), 1 in 10” twist
Primers: Large Rifle Magnum
Cases: Remington, trim-to length 72,10 mm (2.839”)

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

 
Bullet10,0 g / 155 grScenar, LapuaC.O.L. 89,5 mm / 3.524 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1605,2981.695731405,8089.510443425
N5605,6086.486528386,0994.010673501
N1655,6086.495231236,1995.510523451
 
Bullet10,7 g / 165 grPartition, NoslerC.O.L. 89,5 mm / 3.524 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1604,9776.789629405,6487.09803214
N5605,3983.290229596,1394.510273371
N1655,5785.991930156,1294.410093311
 
Bullet10,9 g / 167 grScenar, LapuaC.O.L. 90,0 mm / 3.543 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1655,0577.988228946,1094.110073304
N5605,2981.692530355,9591.810293376
N1705,3782.989529366,48100.010113317
 
Bullet11,0 g / 170 grLockBase, LapuaC.O.L. 90,0 mm / 3.543 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1654,5670.485127925,7388.49763202
N5604,7373.089929495,7488.610063301
N1705,0277.586528386,3698.19923255
 
Bullet11,7 g / 180 grXFB, BarnesC.O.L. 89,5 mm / 3.524 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1654,5269.783327335,4083.39393079
N5604,6571.785428025,6086.39563137
N1704,9075.684027566,1294.49523124
 
Bullet12,0 g / 185 grMega, LapuaC.O.L. 88,5 mm / 3.484 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1654,7573.382627105,8289.89373074
N5605,1879.987428675,8390.09693179
N1705,2280.683727466,3197.49533127
 
Bullet12,0 g / 185 grScenar, LapuaC.O.L. 91,4 mm / 3.598 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1655,1879.986528386,0994.09603148
N5605,4684.288829135,9391.59793213
N5705,9091.090829796,54100.910233356
N1705,9892.387528716,4098.79663170
 
Bullet13,0 g / 200 grMega, LapuaC.O.L. 89,3 mm / 3.516 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1654,9576.483127265,7088.09223025
N5605,2480.989229275,8590.39593146
N5705,7088.087728776,3798.39583143
 
Bullet13,0 g / 200 grNaturalis, LapuaC.O.L. 89,2 mm / 3.512 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1654,7573.382627105,6286.79233028
N5604,8775.184227625,5785.99333061
N1705,1679.683327335,8289.89122992
N5705,4483.986028226,0192.79613153
24N415,6086.482927206,1194.39142999