Load data for .221 Rem. Fireball + 50gr Sierra SP Blitz
Based on C.I.P., the max. allowed case length is 1.400 in / 35.56 mm, the max. cartridge length is 1.830 in / 46.48 mm, and the max. allowed pressure is 46,412 PSI / 3,200 bar.
Based on C.I.P., the max. allowed case length is 1.400 in / 35.56 mm, the max. cartridge length is 1.830 in / 46.48 mm, and the max. allowed pressure is 46,412 PSI / 3,200 bar.
Load Specifications
ImperialMetric
Bullet:.224 | 50gr | SP Blitz
Cartridge:.221 Rem. Fireball load data
Case Length (L3):1.397" | 35.5 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.227" | 5.8 mm
Case Capacity:22 gow | 1.43 cm³
Primer Size:Small Rifle (SR)
Max. Pressure (C.I.P.):46,412 psi | 3,200 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:Stabilizes in any common twist
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Community Loads for .221 Rem. Fireball + 50gr Sierra SP Blitz
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) |
|---|---|---|---|---|---|
| 15.6 gr | 1.830" | 20.0" | 2443 fps | ••• | |
| 16.2 gr | 1.830" | 20.0" | 2528 fps | ••• | |
| 16.8 gr | 1.830" | 20.0" | 2612 fps | ••• | |
| ••• | 1.830" | 20.0" | 2696 fps | ••• | |
| ••• | 1.830" | 20.0" | 2780 fps | ••• | |
| ••• | 1.830" | 20.0" | 2559 fps | ••• | |
| ••• | 1.830" | 20.0" | 2647 fps | ••• | |
| ••• | 1.830" | 20.0" | 2736 fps | ••• | |
| ••• | 1.830" | 20.0" | 2775 fps | ••• | |
| ••• | 1.830" | 20.0" | 2835 fps | ••• | |
| ••• | 1.830" | 20.0" | 2674 fps | ••• | |
| ••• | 1.830" | 20.0" | 2734 fps | ••• | |
| ••• | 1.830" | 20.0" | 2796 fps | ••• | |
| ••• | 1.830" | 20.0" | 2857 fps | ••• | |
| ••• | 1.830" | 20.0" | 2575 fps | ••• | |
| ••• | 1.830" | 20.0" | 2647 fps | ••• | |
| ••• | 1.830" | 20.0" | 2721 fps | ••• | |
| ••• | 1.830" | 20.0" | 2792 fps | ••• | |
| ••• | 1.830" | 20.0" | 2503 fps | ••• | |
| ••• | 1.830" | 20.0" | 2573 fps | ••• | |
| ••• | 1.830" | 20.0" | 2645 fps | ••• | |
| ••• | 1.830" | 20.0" | 2717 fps | ••• | |
| ••• | 1.830" | 20.0" | 2789 fps | ••• | |
| ••• | 1.830" | 20.0" | 2528 fps | ••• | |
| ••• | 1.830" | 20.0" | 2605 fps | ••• | |
| ••• | 1.830" | 20.0" | 2682 fps | ••• | |
| ••• | 1.830" | 20.0" | 2755 fps | ••• | |
| ••• | 1.830" | 20.0" | 2830 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.