Load data for .270 Weath. Mag. + 150gr Nosler Partition
The most recommended powders for this combination are Alliant Reloder-25.
Based on C.I.P., the max. allowed case length is 2.549 in / 64.74 mm, the max. cartridge length is 3.295 in / 83.69 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.
Based on C.I.P., the max. allowed case length is 2.549 in / 64.74 mm, the max. cartridge length is 3.295 in / 83.69 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.
Load Specifications
ImperialMetric
Bullet:.277 | 150gr | Partition
Cartridge:.270 Weath. Mag. load data
Case Length (L3):2.549" | 64.7 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.561" | 14.3 mm
Case Capacity:82 gow | 5.31 cm³
Primer Size:Large Rifle Magnum (LRM)
Max. Pressure (C.I.P.):63,817 psi | 4,400 bar
Barrel Length:26.0" | 660 mm
Min. Twist Rate:1:11.0
Get PRO license to unlock all data and calculators
Community Loads for .270 Weath. Mag. + 150gr 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) |
|---|---|---|---|---|---|
| 66.0 gr | 3.230" | 26.0" | 2983 fps | ••• | |
| 68.0 gr | 3.230" | 26.0" | 3072 fps | ••• | |
| 70.0 gr | 3.230" | 26.0" | 3160 fps | ••• | |
| ••• | 3.250" | 26.0" | 2904 fps | ••• | |
| ••• | 3.250" | 26.0" | 3031 fps | ••• | |
| ••• | 3.250" | 26.0" | 3018 fps | ••• | |
| ••• | 3.250" | 26.0" | 3152 fps | ••• | |
| ••• | 3.230" | 26.0" | 2915 fps | ••• | |
| ••• | 3.230" | 26.0" | 3001 fps | ••• | |
| ••• | 3.230" | 26.0" | 3084 fps | ••• | |
| ••• | 3.210" | 24.0" | 3024 fps | ••• | |
| ••• | 3.230" | 26.0" | 3051 fps | ••• | |
| ••• | 3.230" | 26.0" | 3131 fps | ••• | |
| ••• | 3.230" | 26.0" | 3004 fps | ••• | |
| ••• | 3.230" | 26.0" | 2989 fps | ••• | |
| ••• | 3.287" | — | 3038 fps | ••• | |
| ••• | 3.248" | 25.5" | 2980 fps | ••• | |
| ••• | 3.248" | 25.5" | 3014 fps | ••• | |
| ••• | 3.230" | 26.0" | 3030 fps | ••• | |
| ••• | 3.230" | 26.0" | 3119 fps | ••• | |
| ••• | 3.248" | 25.5" | 3103 fps | ••• | |
| ••• | 3.230" | 26.0" | 3086 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.