Load data for .222 Rem. Mag. + 55gr Hornady SP
Based on C.I.P., the max. allowed case length is 1.850 in / 46.99 mm, the max. cartridge length is 2.280 in / 57.91 mm, and the max. allowed pressure is 58,740 PSI / 4,050 bar.

Based on C.I.P., the max. allowed case length is 1.850 in / 46.99 mm, the max. cartridge length is 2.280 in / 57.91 mm, and the max. allowed pressure is 58,740 PSI / 4,050 bar.

Load Specifications
ImperialMetric
Bullet:.224 | 55gr | SP
Cartridge:.222 Rem. Mag. load data
Case Length (L3):1.850" | 47.0 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.315" | 8.0 mm
Case Capacity:30.5 gow | 1.98 cm³
Primer Size:Small Rifle (SR)
Max. Pressure (C.I.P.):58,740 psi | 4,050 bar
Barrel Length:26.0" | 660 mm
Min. Twist Rate:1:10.5
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Community Loads for .222 Rem. Mag. + 55gr Hornady SP
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) |
|---|---|---|---|---|---|
| 22.5 gr | 2.325" | 26.0" | 3015 fps | ••• | |
| 24.5 gr | 2.325" | 26.0" | 2860 fps | ••• | |
| 26.5 gr | 2.325" | 26.0" | 3087 fps | ••• | |
| ••• | 2.325" | 26.0" | 3015 fps | ••• | |
| ••• | 2.325" | 26.0" | 3211 fps | ••• | |
| ••• | 2.325" | 26.0" | 2987 fps | ••• | |
| ••• | 2.325" | 26.0" | 3204 fps | ••• | |
| ••• | 2.325" | 26.0" | 2982 fps | ••• | |
| ••• | 2.325" | 26.0" | 3049 fps | ••• | |
| ••• | 2.325" | 26.0" | 3238 fps | ••• | |
| ••• | 2.325" | 26.0" | 3136 fps | ••• | |
| ••• | 2.325" | 26.0" | 3251 fps | ••• | |
| ••• | 2.325" | 26.0" | 3203 fps | ••• | |
| ••• | 2.325" | 26.0" | 3053 fps | ••• | |
| ••• | 2.325" | 26.0" | 3146 fps | ••• | |
| ••• | 2.325" | 26.0" | 3241 fps | ••• | |
| ••• | 2.325" | 26.0" | 3187 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.