Load data for .450 Marlin + 300gr Nosler Partition PP
Based on C.I.P., the max. allowed case length is 2.100 in / 53.34 mm, the max. cartridge length is 2.550 in / 64.76 mm, and the max. allowed pressure is 47,863 PSI / 3,300 bar.
Based on C.I.P., the max. allowed case length is 2.100 in / 53.34 mm, the max. cartridge length is 2.550 in / 64.76 mm, and the max. allowed pressure is 47,863 PSI / 3,300 bar.
Load Specifications
ImperialMetric
Bullet:.458 | 300gr | Partition PP
Cartridge:.450 Marlin load data
Case Length (L3):2.080" | 52.8 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.400" | 10.2 mm
Case Capacity:74 gow | 4.80 cm³
Primer Size:Large Rifle (LR)
Max. Pressure (C.I.P.):47,863 psi | 3,300 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 .450 Marlin + 300gr Nosler Partition PP
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) |
|---|---|---|---|---|---|
| 56.0 gr | 2.510" | 24.0" | 2254 fps | ••• | |
| 48.0 gr | 2.510" | 24.0" | 2135 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.