Load data for .300 Rem. SA Ultra Mag. + 165gr Speer Boat-Tail
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 | 165gr | Boat-Tail
Cartridge:.300 Rem. SA Ultra Mag. load data
Case Length (L3):2.003" | 50.9 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.392" | 10.0 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:1:13.5
Get PRO license to unlock all data and calculators
Community Loads for .300 Rem. SA Ultra Mag. + 165gr Speer Boat-Tail
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) |
|---|---|---|---|---|---|
| 61.5 gr | 2.800" | 24.0" | 3113 fps | ••• | |
| 65.0 gr | 2.800" | 24.0" | 3112 fps | ••• | |
| 60.0 gr | 2.800" | — | 2912 fps | ••• | |
| ••• | 2.800" | — | 2838 fps | ••• | |
| ••• | 2.800" | — | 2998 fps | ••• | |
| ••• | 2.800" | — | 2942 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.