Load data for 8 mm Rem. Mag. + 220gr Sierra 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 66,717 PSI / 4,600 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 66,717 PSI / 4,600 bar.
Load Specifications
ImperialMetric
Bullet:.323 | 220gr | GameKing
Cartridge:8 mm Rem. Mag. load data
Case Length (L3):2.850" | 72.4 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.694" | 17.6 mm
Case Capacity:98 gow | 6.35 cm³
Primer Size:Large Rifle Magnum (LRM)
Max. Pressure (C.I.P.):66,717 psi | 4,600 bar
Barrel Length:26.0" | 660 mm
Min. Twist Rate:1:13.0
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Community Loads for 8 mm Rem. Mag. + 220gr 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) |
|---|---|---|---|---|---|
| 72.8 gr | 3.600" | 24.0" | 2557 fps | ••• | |
| 75.3 gr | 3.600" | 24.0" | 2638 fps | ••• | |
| 77.8 gr | 3.600" | 24.0" | 2718 fps | ••• | |
| ••• | 3.600" | 24.0" | 2665 fps | ••• | |
| ••• | 3.600" | 24.0" | 2735 fps | ••• | |
| ••• | 3.600" | 24.0" | 2805 fps | ••• | |
| ••• | 3.600" | 24.0" | 2840 fps | ••• | |
| ••• | 3.600" | 24.0" | 2603 fps | ••• | |
| ••• | 3.600" | 24.0" | 2724 fps | ••• | |
| ••• | 3.600" | 24.0" | 2845 fps | ••• | |
| ••• | 3.600" | 24.0" | 2905 fps | ••• | |
| ••• | 3.600" | 24.0" | 2627 fps | ••• | |
| ••• | 3.600" | 24.0" | 2710 fps | ••• | |
| ••• | 3.600" | 24.0" | 2794 fps | ••• | |
| ••• | 3.600" | 24.0" | 2836 fps | ••• | |
| ••• | 3.600" | 24.0" | 2550 fps | ••• | |
| ••• | 3.600" | 24.0" | 2633 fps | ••• | |
| ••• | 3.600" | 24.0" | 2716 fps | ••• | |
| ••• | 3.600" | 24.0" | 2632 fps | ••• | |
| ••• | 3.600" | 24.0" | 2723 fps | ••• | |
| ••• | 3.600" | 24.0" | 2812 fps | ••• | |
| ••• | 3.600" | 24.0" | 2858 fps | ••• | |
| ••• | 3.600" | 24.0" | 2633 fps | ••• | |
| ••• | 3.600" | 24.0" | 2745 fps | ••• | |
| ••• | 3.600" | 24.0" | 2857 fps | ••• | |
| ••• | 3.600" | 24.0" | 2914 fps | ••• | |
| ••• | 3.600" | 24.0" | 2545 fps | ••• | |
| ••• | 3.600" | 24.0" | 2641 fps | ••• | |
| ••• | 3.600" | 24.0" | 2738 fps | ••• | |
| ••• | 3.600" | 24.0" | 2786 fps | ••• | |
| ••• | 3.600" | 24.0" | 2995 fps | ••• | |
| ••• | 3.600" | 24.0" | 2580 fps | ••• | |
| ••• | 3.600" | 24.0" | 2656 fps | ••• | |
| ••• | 3.600" | 24.0" | 2733 fps | ••• | |
| ••• | 3.600" | 24.0" | 2692 fps | ••• | |
| ••• | 3.600" | 24.0" | 2764 fps | ••• | |
| ••• | 3.600" | 24.0" | 2836 fps | ••• | |
| ••• | 3.600" | 24.0" | 2538 fps | ••• | |
| ••• | 3.600" | 24.0" | 2644 fps | ••• | |
| ••• | 3.600" | 24.0" | 2749 fps | ••• | |
| ••• | 3.600" | 24.0" | 2571 fps | ••• | |
| ••• | 3.600" | 24.0" | 2664 fps | ••• | |
| ••• | 3.600" | 24.0" | 2758 fps | ••• | |
| ••• | 3.600" | 24.0" | 2624 fps | ••• | |
| ••• | 3.600" | 24.0" | 2711 fps | ••• | |
| ••• | 3.600" | 24.0" | 2795 fps | ••• | |
| ••• | 3.600" | 24.0" | 2647 fps | ••• | |
| ••• | 3.600" | 24.0" | 2732 fps | ••• | |
| ••• | 3.600" | 24.0" | 2820 fps | ••• | |
| ••• | 3.600" | 24.0" | 2861 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.