Load data for .300 Rem. Ultra Mag. + 220gr Nosler Partition
The most recommended powders for this combination are IMR 4350.
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 64,977 PSI / 4,480 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 64,977 PSI / 4,480 bar.
Load Specifications
ImperialMetric
Bullet:.308 | 220gr | Partition
Cartridge:.300 Rem. Ultra Mag. load data
Case Length (L3):2.850" | 72.4 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.656" | 16.7 mm
Case Capacity:112.5 gow | 7.29 cm³
Primer Size:Large Rifle Magnum (LRM)
Max. Pressure (C.I.P.):64,977 psi | 4,480 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:1:13.0
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Community Loads for .300 Rem. Ultra Mag. + 220gr Nosler Partition
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) |
|---|---|---|---|---|---|
| 84.0 gr | 3.580" | 24.0" | 2722 fps | ••• | |
| 86.0 gr | 3.580" | 24.0" | 2777 fps | ••• | |
| 85.0 gr | 3.580" | 24.0" | 2709 fps | ••• | |
| ••• | 3.580" | 24.0" | 2758 fps | ••• | |
| ••• | 3.580" | 24.0" | 2652 fps | ••• | |
| ••• | 3.580" | 24.0" | 2712 fps | ••• | |
| ••• | 3.580" | 24.0" | 2771 fps | ••• | |
| ••• | 3.530" | 24.0" | 2799 fps | ••• | |
| ••• | 3.530" | 24.0" | 2607 fps | ••• | |
| ••• | 3.580" | 24.0" | 2649 fps | ••• | |
| ••• | 3.580" | 24.0" | 2705 fps | ••• | |
| ••• | 3.580" | 24.0" | 2759 fps | ••• | |
| ••• | 3.580" | 24.0" | 2680 fps | ••• | |
| ••• | 3.580" | 24.0" | 2745 fps | ••• | |
| ••• | 3.580" | 24.0" | 2800 fps | ••• | |
| ••• | 3.580" | 24.0" | 2855 fps | ••• | |
| ••• | 3.530" | 24.0" | 2577 fps | ••• | |
| ••• | 3.580" | 24.0" | 2650 fps | ••• | |
| ••• | 3.530" | 24.0" | 2696 fps | ••• | |
| ••• | 3.580" | 24.0" | 2708 fps | ••• | |
| ••• | 3.580" | 24.0" | 2768 fps | ••• | |
| ••• | 3.580" | 24.0" | 2617 fps | ••• | |
| ••• | 3.580" | 24.0" | 2667 fps | ••• | |
| ••• | 3.530" | 24.0" | 2538 fps | ••• | |
| ••• | 3.530" | 24.0" | 2696 fps | ••• | |
| ••• | 3.530" | 24.0" | 2573 fps | ••• | |
| ••• | 3.530" | 24.0" | 2715 fps | ••• | |
| ••• | 3.580" | 24.0" | 2725 fps | ••• | |
| ••• | 3.530" | 24.0" | 2713 fps | ••• | |
| ••• | 3.530" | 24.0" | 2606 fps | ••• | |
| ••• | 3.580" | 24.0" | 2638 fps | ••• | |
| ••• | 3.580" | 24.0" | 2695 fps | ••• | |
| ••• | 3.530" | 24.0" | 2749 fps | ••• | |
| ••• | 3.580" | 24.0" | 2750 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.