Load data for .300 Rem. Ultra Mag. + 220gr Nosler Custom Competition
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
Cartridge:.300 Rem. Ultra Mag. load data
Case Length (L3):2.850" | 72.4 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.800" | 20.3 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:1:11.5
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Community Loads for .300 Rem. Ultra Mag. + 220gr Nosler Custom Competition
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" | 2755 fps | ••• | |
| 86.0 gr | 3.580" | 24.0" | 2811 fps | ••• | |
| 85.0 gr | 3.580" | 24.0" | 2741 fps | ••• | |
| ••• | 3.580" | 24.0" | 2692 fps | ••• | |
| ••• | 3.580" | 24.0" | 2752 fps | ••• | |
| ••• | 3.580" | 24.0" | 2812 fps | ••• | |
| ••• | 3.580" | 24.0" | 2683 fps | ••• | |
| ••• | 3.580" | 24.0" | 2740 fps | ••• | |
| ••• | 3.580" | 24.0" | 2602 fps | ••• | |
| ••• | 3.580" | 24.0" | 2658 fps | ••• | |
| ••• | 3.580" | 24.0" | 2714 fps | ••• | |
| ••• | 3.580" | 24.0" | 2777 fps | ••• | |
| ••• | 3.580" | 24.0" | 2834 fps | ••• | |
| ••• | 3.580" | 24.0" | 2693 fps | ••• | |
| ••• | 3.580" | 24.0" | 2752 fps | ••• | |
| ••• | 3.580" | 24.0" | 2594 fps | ••• | |
| ••• | 3.580" | 24.0" | 2644 fps | ••• | |
| ••• | 3.580" | 24.0" | 2694 fps | ••• | |
| ••• | 3.580" | 24.0" | 2652 fps | ••• | |
| ••• | 3.580" | 24.0" | 2706 fps | ••• | |
| ••• | 3.580" | 24.0" | 2669 fps | ••• | |
| ••• | 3.580" | 24.0" | 2726 fps | ••• | |
| ••• | 3.580" | 24.0" | 2783 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.