Load data for .284 Win. + 145gr Speer Grand Slam
Based on C.I.P., the max. allowed case length is 2.170 in / 55.12 mm, the max. cartridge length is 2.800 in / 71.12 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.
Based on C.I.P., the max. allowed case length is 2.170 in / 55.12 mm, the max. cartridge length is 2.800 in / 71.12 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.
Load Specifications
ImperialMetric
Bullet:.284 | 145gr | Grand Slam
Cartridge:.284 Win. load data
Case Length (L3):2.170" | 55.1 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.480" | 12.2 mm
Case Capacity:66 gow | 4.28 cm³
Primer Size:Large Rifle (LR)
Max. Pressure (C.I.P.):63,817 psi | 4,400 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:1:13.0
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Community Loads for .284 Win. + 145gr Speer Grand Slam
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) |
|---|---|---|---|---|---|
| 43.0 gr | 2.800" | — | 2639 fps | ••• | |
| 47.0 gr | 2.800" | — | 2832 fps | ••• | |
| 52.0 gr | 2.800" | — | 2814 fps | ••• | |
| ••• | 2.800" | — | 2874 fps | ••• | |
| ••• | 2.800" | — | 2709 fps | ••• | |
| ••• | 2.800" | — | 2904 fps | ••• | |
| ••• | 2.800" | — | 2752 fps | ••• | |
| ••• | 2.800" | — | 2955 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.