Load data for 8.5 x 63 + 185gr Hornady ECX
Based on C.I.P., the max. allowed case length is 2.480 in / 63.00 mm, the max. cartridge length is 3.307 in / 84.00 mm, and the max. allowed pressure is 62,366 PSI / 4,300 bar.
Based on C.I.P., the max. allowed case length is 2.480 in / 63.00 mm, the max. cartridge length is 3.307 in / 84.00 mm, and the max. allowed pressure is 62,366 PSI / 4,300 bar.
Load Specifications
ImperialMetric
Bullet:.338 | 185gr | ECX
Cartridge:8.5 x 63 load data
Case Length (L3):2.480" | 63.0 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.486" | 12.3 mm
Case Capacity:75.5 gow | 4.89 cm³
Primer Size:Large Rifle (LR)
Max. Pressure (C.I.P.):62,366 psi | 4,300 bar
Barrel Length:23.6" | 600 mm
Min. Twist Rate:1:14.5
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Community Loads for 8.5 x 63 + 185gr Hornady ECX
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) |
|---|---|---|---|---|---|
| 64.0 gr | 3.310" | 23.6" | 2910 fps | ••• | |
| 65.0 gr | 3.310" | 23.6" | 2953 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.