Load data for .222 Rem. Mag. + 40gr Sierra SP HORNET
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 | 40gr | SP HORNET
Cartridge:.222 Rem. Mag. load data
Case Length (L3):1.850" | 47.0 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.193" | 4.9 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:Stabilizes in any common twist
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Community Loads for .222 Rem. Mag. + 40gr Sierra SP HORNET
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) |
|---|---|---|---|---|---|
| 30.0 gr | 2.145" | 26.0" | 3570 fps | ••• | |
| 25.0 gr | 2.145" | 26.0" | 3392 fps | ••• | |
| 27.0 gr | 2.145" | 26.0" | 3641 fps | ••• | |
| ••• | 2.145" | 26.0" | 3490 fps | ••• | |
| ••• | 2.145" | 26.0" | 3422 fps | ••• | |
| ••• | 2.145" | 26.0" | 3598 fps | ••• | |
| ••• | 2.145" | 26.0" | 3331 fps | ••• | |
| ••• | 2.145" | 26.0" | 3641 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.