Load data for .300 Rem. SA Ultra Mag. + 150gr Sierra MatchKing
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 | MatchKing
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 MatchKing
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" | 2755 fps | ••• | |
| 54.3 gr | 2.825" | 24.0" | 2849 fps | ••• | |
| 55.2 gr | 2.825" | 24.0" | 2889 fps | ••• | |
| ••• | 2.825" | 24.0" | 2927 fps | ••• | |
| ••• | 2.825" | 24.0" | 2967 fps | ••• | |
| ••• | 2.825" | 24.0" | 2612 fps | ••• | |
| ••• | 2.825" | 24.0" | 2703 fps | ••• | |
| ••• | 2.825" | 24.0" | 2791 fps | ••• | |
| ••• | 2.825" | 24.0" | 2884 fps | ••• | |
| ••• | 2.825" | 24.0" | 2931 fps | ••• | |
| ••• | 2.825" | 24.0" | 2978 fps | ••• | |
| ••• | 2.825" | 24.0" | 3027 fps | ••• | |
| ••• | 2.825" | 24.0" | 2657 fps | ••• | |
| ••• | 2.825" | 24.0" | 2739 fps | ••• | |
| ••• | 2.825" | 24.0" | 2817 fps | ••• | |
| ••• | 2.825" | 24.0" | 2854 fps | ••• | |
| ••• | 2.825" | 24.0" | 2897 fps | ••• | |
| ••• | 2.825" | 24.0" | 2933 fps | ••• | |
| ••• | 2.825" | 24.0" | 2773 fps | ••• | |
| ••• | 2.825" | 24.0" | 2872 fps | ••• | |
| ••• | 2.825" | 24.0" | 2916 fps | ••• | |
| ••• | 2.825" | 24.0" | 2966 fps | ••• | |
| ••• | 2.825" | 24.0" | 3010 fps | ••• | |
| ••• | 2.825" | 24.0" | 2830 fps | ••• | |
| ••• | 2.825" | 24.0" | 2871 fps | ••• | |
| ••• | 2.825" | 24.0" | 2909 fps | ••• | |
| ••• | 2.825" | 24.0" | 2795 fps | ••• | |
| ••• | 2.825" | 24.0" | 2850 fps | ••• | |
| ••• | 2.825" | 24.0" | 2901 fps | ••• | |
| ••• | 2.825" | 24.0" | 2961 fps | ••• | |
| ••• | 2.825" | 24.0" | 2617 fps | ••• | |
| ••• | 2.825" | 24.0" | 2709 fps | ••• | |
| ••• | 2.825" | 24.0" | 2798 fps | ••• | |
| ••• | 2.825" | 24.0" | 2840 fps | ••• | |
| ••• | 2.825" | 24.0" | 2889 fps | ••• | |
| ••• | 2.825" | 24.0" | 2769 fps | ••• | |
| ••• | 2.825" | 24.0" | 2860 fps | ••• | |
| ••• | 2.825" | 24.0" | 2949 fps | ••• | |
| ••• | 2.825" | 24.0" | 2990 fps | ••• | |
| ••• | 2.825" | 24.0" | 3035 fps | ••• | |
| ••• | 2.825" | 24.0" | 3076 fps | ••• | |
| ••• | 2.825" | 24.0" | 2733 fps | ••• | |
| ••• | 2.825" | 24.0" | 2815 fps | ••• | |
| ••• | 2.825" | 24.0" | 2863 fps | ••• | |
| ••• | 2.825" | 24.0" | 2920 fps | ••• | |
| ••• | 2.825" | 24.0" | 2974 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.