Load data for .300 Rem. SA Ultra Mag. + 150gr Sierra SBT GameKing
Based on SAAMI, the max. allowed case length is 2.015 in / 51.18 mm, the max. cartridge length is 2.825 in / 71.75 mm, and the max. allowed pressure is 65,000 PSI / 4,482 bar.
Based on SAAMI, the max. allowed case length is 2.015 in / 51.18 mm, the max. cartridge length is 2.825 in / 71.75 mm, and the max. allowed pressure is 65,000 PSI / 4,482 bar.
Load Specifications
ImperialMetric
Bullet:.308 | 150gr | SBT GameKing
Cartridge:.300 Rem. SA Ultra Mag. load data
Case Length (L3):2.003" | 50.9 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.458" | 11.6 mm
Case Capacity:74 gow | 4.80 cm³
Primer Size:Large Rifle (LR)
Max. Pressure (SAAMI):65,000 psi | 4,482 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:1:14.5
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Community Loads for .300 Rem. SA Ultra Mag. + 150gr Sierra SBT 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) |
|---|---|---|---|---|---|
| 52.2 gr | 2.825" | 24.0" | 2739 fps | ••• | |
| 54.3 gr | 2.825" | 24.0" | 2832 fps | ••• | |
| 55.2 gr | 2.825" | 24.0" | 2872 fps | ••• | |
| ••• | 2.825" | 24.0" | 2910 fps | ••• | |
| ••• | 2.825" | 24.0" | 2950 fps | ••• | |
| ••• | 2.825" | 24.0" | 2595 fps | ••• | |
| ••• | 2.825" | 24.0" | 2684 fps | ••• | |
| ••• | 2.825" | 24.0" | 2772 fps | ••• | |
| ••• | 2.825" | 24.0" | 2865 fps | ••• | |
| ••• | 2.825" | 24.0" | 2910 fps | ••• | |
| ••• | 2.825" | 24.0" | 2957 fps | ••• | |
| ••• | 2.825" | 24.0" | 3007 fps | ••• | |
| ••• | 2.825" | 24.0" | 2642 fps | ••• | |
| ••• | 2.825" | 24.0" | 2721 fps | ••• | |
| ••• | 2.825" | 24.0" | 2799 fps | ••• | |
| ••• | 2.825" | 24.0" | 2835 fps | ••• | |
| ••• | 2.825" | 24.0" | 2877 fps | ••• | |
| ••• | 2.825" | 24.0" | 2913 fps | ••• | |
| ••• | 2.825" | 24.0" | 2755 fps | ••• | |
| ••• | 2.825" | 24.0" | 2854 fps | ••• | |
| ••• | 2.825" | 24.0" | 2898 fps | ••• | |
| ••• | 2.825" | 24.0" | 2946 fps | ••• | |
| ••• | 2.825" | 24.0" | 2989 fps | ••• | |
| ••• | 2.825" | 24.0" | 2816 fps | ••• | |
| ••• | 2.825" | 24.0" | 2854 fps | ••• | |
| ••• | 2.825" | 24.0" | 2894 fps | ••• | |
| ••• | 2.825" | 24.0" | 2780 fps | ••• | |
| ••• | 2.825" | 24.0" | 2832 fps | ••• | |
| ••• | 2.825" | 24.0" | 2884 fps | ••• | |
| ••• | 2.825" | 24.0" | 2943 fps | ••• | |
| ••• | 2.825" | 24.0" | 2601 fps | ••• | |
| ••• | 2.825" | 24.0" | 2692 fps | ••• | |
| ••• | 2.825" | 24.0" | 2778 fps | ••• | |
| ••• | 2.825" | 24.0" | 2821 fps | ••• | |
| ••• | 2.825" | 24.0" | 2869 fps | ••• | |
| ••• | 2.825" | 24.0" | 2751 fps | ••• | |
| ••• | 2.825" | 24.0" | 2842 fps | ••• | |
| ••• | 2.825" | 24.0" | 2929 fps | ••• | |
| ••• | 2.825" | 24.0" | 2971 fps | ••• | |
| ••• | 2.825" | 24.0" | 3014 fps | ••• | |
| ••• | 2.825" | 24.0" | 3057 fps | ••• | |
| ••• | 2.825" | 24.0" | 2797 fps | ••• | |
| ••• | 2.825" | 24.0" | 2845 fps | ••• | |
| ••• | 2.825" | 24.0" | 2901 fps | ••• | |
| ••• | 2.825" | 24.0" | 2956 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.