Load data for .300 Win. Mag. + 165gr Sierra SBT GameKing
Based on C.I.P., the max. allowed case length is 2.620 in / 66.55 mm, the max. cartridge length is 3.340 in / 84.84 mm, and the max. allowed pressure is 62,366 PSI / 4,300 bar.
Based on C.I.P., the max. allowed case length is 2.620 in / 66.55 mm, the max. cartridge length is 3.340 in / 84.84 mm, and the max. allowed pressure is 62,366 PSI / 4,300 bar.
Load Specifications
ImperialMetric
Bullet:.308 | 165gr | SBT GameKing
Cartridge:.300 Win. Mag. load data
Case Length (L3):2.620" | 66.5 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.476" | 12.1 mm
Case Capacity:90.5 gow | 5.86 cm³
Primer Size:Large Rifle Magnum (LRM)
Max. Pressure (C.I.P.):62,366 psi | 4,300 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:1:13.5
Get PRO license to unlock all data and calculators
Community Loads for .300 Win. Mag. + 165gr 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) |
|---|---|---|---|---|---|
| 61.2 gr | 3.340" | 24.0" | 2881 fps | ••• | |
| 63.6 gr | 3.340" | 24.0" | 2966 fps | ••• | |
| 66.0 gr | 3.340" | 24.0" | 3053 fps | ••• | |
| ••• | 3.340" | 24.0" | 2814 fps | ••• | |
| ••• | 3.340" | 24.0" | 2907 fps | ••• | |
| ••• | 3.340" | 24.0" | 2995 fps | ••• | |
| ••• | 3.340" | 24.0" | 2835 fps | ••• | |
| ••• | 3.340" | 24.0" | 2913 fps | ••• | |
| ••• | 3.340" | 24.0" | 2742 fps | ••• | |
| ••• | 3.340" | 24.0" | 2809 fps | ••• | |
| ••• | 3.340" | 24.0" | 2884 fps | ••• | |
| ••• | 3.340" | 24.0" | 2738 fps | ••• | |
| ••• | 3.340" | 24.0" | 2814 fps | ••• | |
| ••• | 3.340" | 24.0" | 2892 fps | ••• | |
| ••• | 3.340" | 24.0" | 2853 fps | ••• | |
| ••• | 3.340" | 24.0" | 2945 fps | ••• | |
| ••• | 3.340" | 24.0" | 3032 fps | ••• | |
| ••• | 3.340" | 24.0" | 2745 fps | ••• | |
| ••• | 3.340" | 24.0" | 2832 fps | ••• | |
| ••• | 3.340" | 24.0" | 2929 fps | ••• | |
| ••• | 3.340" | 24.0" | 2972 fps | ••• | |
| ••• | 3.340" | 24.0" | 2692 fps | ••• | |
| ••• | 3.340" | 24.0" | 2774 fps | ••• | |
| ••• | 3.340" | 24.0" | 2856 fps | ••• | |
| ••• | 3.340" | 24.0" | 2939 fps | ••• | |
| ••• | 3.340" | 24.0" | 2684 fps | ••• | |
| ••• | 3.340" | 24.0" | 2765 fps | ••• | |
| ••• | 3.340" | 24.0" | 2846 fps | ••• | |
| ••• | 3.340" | 24.0" | 2928 fps | ••• | |
| ••• | 3.340" | 24.0" | 2894 fps | ••• | |
| ••• | 3.340" | 24.0" | 2971 fps | ••• | |
| ••• | 3.340" | 24.0" | 2631 fps | ••• | |
| ••• | 3.340" | 24.0" | 2711 fps | ••• | |
| ••• | 3.340" | 24.0" | 2797 fps | ••• | |
| ••• | 3.340" | 24.0" | 2888 fps | ••• | |
| ••• | 3.340" | 24.0" | 2807 fps | ••• | |
| ••• | 3.340" | 24.0" | 2887 fps | ••• | |
| ••• | 3.340" | 24.0" | 2975 fps | ••• | |
| ••• | 3.340" | 24.0" | 2748 fps | ••• | |
| ••• | 3.340" | 24.0" | 2823 fps | ••• | |
| ••• | 3.340" | 24.0" | 2910 fps | ••• | |
| ••• | 3.338" | 24.5" | 2846 fps | ••• | |
| ••• | 3.338" | 24.5" | 2676 fps | ••• | |
| ••• | 3.338" | 24.5" | 2902 fps | ••• | |
| ••• | 3.338" | 24.5" | 2951 fps | ••• | |
| ••• | 3.338" | 24.5" | 2677 fps | ••• | |
| ••• | 3.340" | 24.0" | 2739 fps | ••• | |
| ••• | 3.340" | 24.0" | 2808 fps | ••• | |
| ••• | 3.340" | 24.0" | 2881 fps | ••• | |
| ••• | 3.340" | 24.0" | 2959 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.