Load data for .300 Rem. SA Ultra Mag. + 150gr Sierra RN Prohunter
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 | RN Prohunter
Cartridge:.300 Rem. SA Ultra Mag. load data
Case Length (L3):2.003" | 50.9 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.308" | 7.8 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:Stabilizes in any common twist
Get PRO license to unlock all data and calculators
Community Loads for .300 Rem. SA Ultra Mag. + 150gr Sierra RN Prohunter
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) |
|---|---|---|---|---|---|
| 54.3 gr | 2.825" | 24.0" | 2796 fps | ••• | |
| 55.2 gr | 2.825" | 24.0" | 2835 fps | ••• | |
| 56.1 gr | 2.825" | 24.0" | 2874 fps | ••• | |
| ••• | 2.825" | 24.0" | 2912 fps | ••• | |
| ••• | 2.825" | 24.0" | 2559 fps | ••• | |
| ••• | 2.825" | 24.0" | 2646 fps | ••• | |
| ••• | 2.825" | 24.0" | 2734 fps | ••• | |
| ••• | 2.825" | 24.0" | 2824 fps | ••• | |
| ••• | 2.825" | 24.0" | 2870 fps | ••• | |
| ••• | 2.825" | 24.0" | 2914 fps | ••• | |
| ••• | 2.825" | 24.0" | 2964 fps | ••• | |
| ••• | 2.825" | 24.0" | 2680 fps | ••• | |
| ••• | 2.825" | 24.0" | 2757 fps | ••• | |
| ••• | 2.825" | 24.0" | 2794 fps | ••• | |
| ••• | 2.825" | 24.0" | 2718 fps | ••• | |
| ••• | 2.825" | 24.0" | 2814 fps | ••• | |
| ••• | 2.825" | 24.0" | 2857 fps | ••• | |
| ••• | 2.825" | 24.0" | 2904 fps | ••• | |
| ••• | 2.825" | 24.0" | 2948 fps | ••• | |
| ••• | 2.825" | 24.0" | 2858 fps | ••• | |
| ••• | 2.825" | 24.0" | 2798 fps | ••• | |
| ••• | 2.825" | 24.0" | 2847 fps | ••• | |
| ••• | 2.825" | 24.0" | 2907 fps | ••• | |
| ••• | 2.825" | 24.0" | 2566 fps | ••• | |
| ••• | 2.825" | 24.0" | 2654 fps | ••• | |
| ••• | 2.825" | 24.0" | 2715 fps | ••• | |
| ••• | 2.825" | 24.0" | 2804 fps | ••• | |
| ••• | 2.825" | 24.0" | 2888 fps | ••• | |
| ••• | 2.825" | 24.0" | 2932 fps | ••• | |
| ••• | 2.825" | 24.0" | 2974 fps | ••• | |
| ••• | 2.825" | 24.0" | 3015 fps | ••• | |
| ••• | 2.825" | 24.0" | 2807 fps | ••• | |
| ••• | 2.825" | 24.0" | 2862 fps | ••• | |
| ••• | 2.825" | 24.0" | 2917 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.