Load data for .300 Rem. SA Ultra Mag. + 150gr Sierra 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 | GameKing
Cartridge:.300 Rem. SA Ultra Mag. load data
Case Length (L3):2.003" | 50.9 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.438" | 11.1 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 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" | 2764 fps | ••• | |
| 54.3 gr | 2.825" | 24.0" | 2857 fps | ••• | |
| 55.2 gr | 2.825" | 24.0" | 2898 fps | ••• | |
| ••• | 2.825" | 24.0" | 2937 fps | ••• | |
| ••• | 2.825" | 24.0" | 2975 fps | ••• | |
| ••• | 2.825" | 24.0" | 2620 fps | ••• | |
| ••• | 2.825" | 24.0" | 2711 fps | ••• | |
| ••• | 2.825" | 24.0" | 2799 fps | ••• | |
| ••• | 2.825" | 24.0" | 2895 fps | ••• | |
| ••• | 2.825" | 24.0" | 2941 fps | ••• | |
| ••• | 2.825" | 24.0" | 2988 fps | ••• | |
| ••• | 2.825" | 24.0" | 3038 fps | ••• | |
| ••• | 2.825" | 24.0" | 2586 fps | ••• | |
| ••• | 2.825" | 24.0" | 2667 fps | ••• | |
| ••• | 2.825" | 24.0" | 2749 fps | ••• | |
| ••• | 2.825" | 24.0" | 2828 fps | ••• | |
| ••• | 2.825" | 24.0" | 2865 fps | ••• | |
| ••• | 2.825" | 24.0" | 2906 fps | ••• | |
| ••• | 2.825" | 24.0" | 2943 fps | ••• | |
| ••• | 2.825" | 24.0" | 2782 fps | ••• | |
| ••• | 2.825" | 24.0" | 2881 fps | ••• | |
| ••• | 2.825" | 24.0" | 2925 fps | ••• | |
| ••• | 2.825" | 24.0" | 2975 fps | ••• | |
| ••• | 2.825" | 24.0" | 3019 fps | ••• | |
| ••• | 2.825" | 24.0" | 2840 fps | ••• | |
| ••• | 2.825" | 24.0" | 2879 fps | ••• | |
| ••• | 2.825" | 24.0" | 2918 fps | ••• | |
| ••• | 2.825" | 24.0" | 2804 fps | ••• | |
| ••• | 2.825" | 24.0" | 2856 fps | ••• | |
| ••• | 2.825" | 24.0" | 2910 fps | ••• | |
| ••• | 2.825" | 24.0" | 2969 fps | ••• | |
| ••• | 2.825" | 24.0" | 2627 fps | ••• | |
| ••• | 2.825" | 24.0" | 2718 fps | ••• | |
| ••• | 2.825" | 24.0" | 2805 fps | ••• | |
| ••• | 2.825" | 24.0" | 2850 fps | ••• | |
| ••• | 2.825" | 24.0" | 2898 fps | ••• | |
| ••• | 2.825" | 24.0" | 2777 fps | ••• | |
| ••• | 2.825" | 24.0" | 2870 fps | ••• | |
| ••• | 2.825" | 24.0" | 2956 fps | ••• | |
| ••• | 2.825" | 24.0" | 3000 fps | ••• | |
| ••• | 2.825" | 24.0" | 3044 fps | ••• | |
| ••• | 2.825" | 24.0" | 3086 fps | ••• | |
| ••• | 2.825" | 24.0" | 2740 fps | ••• | |
| ••• | 2.825" | 24.0" | 2824 fps | ••• | |
| ••• | 2.825" | 24.0" | 2872 fps | ••• | |
| ••• | 2.825" | 24.0" | 2928 fps | ••• | |
| ••• | 2.825" | 24.0" | 2985 fps | ••• | |
| ••• | 2.825" | 24.0" | 2666 fps | ••• | |
| ••• | 2.825" | 24.0" | 2751 fps | ••• | |
| ••• | 2.825" | 24.0" | 2795 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.