Load data for .300 Rem. Ultra Mag. + 165gr Sierra Tipped GameKing
Based on C.I.P., the max. allowed case length is 2.850 in / 72.39 mm, the max. cartridge length is 3.600 in / 91.44 mm, and the max. allowed pressure is 64,977 PSI / 4,480 bar.
Based on C.I.P., the max. allowed case length is 2.850 in / 72.39 mm, the max. cartridge length is 3.600 in / 91.44 mm, and the max. allowed pressure is 64,977 PSI / 4,480 bar.
Load Specifications
ImperialMetric
Cartridge:.300 Rem. Ultra Mag. load data
Case Length (L3):2.850" | 72.4 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.631" | 16.0 mm
Case Capacity:112.5 gow | 7.29 cm³
Primer Size:Large Rifle Magnum (LRM)
Max. Pressure (C.I.P.):64,977 psi | 4,480 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:1:12.0
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Community Loads for .300 Rem. Ultra Mag. + 165gr Sierra Tipped GameKing
Real loads for this combination shared by our community. Charge weights are only fully visible with an active Pro licence.
| Powder | Charge (gr) | C.O.L. | Barrel Length | Velocity (fps) | Pressure (psi) |
|---|---|---|---|---|---|
| 85.7 gr | 3.598" | 24.0" | 2860 fps | ••• | |
| 89.3 gr | 3.598" | 24.0" | 2967 fps | ••• | |
| 90.9 gr | 3.598" | 24.0" | 3014 fps | ••• | |
| ••• | 3.598" | 24.0" | 3058 fps | ••• | |
| ••• | 3.598" | 24.0" | 3105 fps | ••• | |
| ••• | 3.598" | 24.0" | 2798 fps | ••• | |
| ••• | 3.598" | 24.0" | 2903 fps | ••• | |
| ••• | 3.598" | 24.0" | 2948 fps | ••• | |
| ••• | 3.598" | 24.0" | 2999 fps | ••• | |
| ••• | 3.598" | 24.0" | 3045 fps | ••• | |
| ••• | 3.598" | 24.0" | 3089 fps | ••• | |
| ••• | 3.598" | 24.0" | 3006 fps | ••• | |
| ••• | 3.598" | 24.0" | 3065 fps | ••• | |
| ••• | 3.598" | 24.0" | 2964 fps | ••• | |
| ••• | 3.598" | 24.0" | 3011 fps | ••• | |
| ••• | 3.598" | 24.0" | 3034 fps | ••• | |
| ••• | 3.598" | 24.0" | 3057 fps | ••• | |
| ••• | 3.598" | 24.0" | 2964 fps | ••• | |
| ••• | 3.598" | 24.0" | 3059 fps | ••• | |
| ••• | 3.598" | 24.0" | 3107 fps | ••• | |
| ••• | 3.598" | 24.0" | 3154 fps | ••• | |
| ••• | 3.598" | 24.0" | 3202 fps | ••• | |
| ••• | 3.598" | 24.0" | 2888 fps | ••• | |
| ••• | 3.598" | 24.0" | 2935 fps | ••• | |
| ••• | 3.598" | 24.0" | 2981 fps | ••• | |
| ••• | 3.598" | 24.0" | 2922 fps | ••• | |
| ••• | 3.598" | 24.0" | 2954 fps | ••• | |
| ••• | 3.598" | 24.0" | 2991 fps | ••• | |
| ••• | 3.598" | 24.0" | 2799 fps | ••• | |
| ••• | 3.598" | 24.0" | 2888 fps | ••• | |
| ••• | 3.598" | 24.0" | 2937 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.