Load data for .221 Rem. Fireball + 52gr Sierra MatchKing
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 | 52gr | MatchKing
Cartridge:.221 Rem. Fireball load data
Case Length (L3):1.397" | 35.5 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.353" | 9.0 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:1:10.5
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Community Loads for .221 Rem. Fireball + 52gr Sierra MatchKing
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) |
|---|---|---|---|---|---|
| 15.1 gr | 1.830" | 20.0" | 2380 fps | ••• | |
| 15.6 gr | 1.830" | 20.0" | 2451 fps | ••• | |
| 16.1 gr | 1.830" | 20.0" | 2520 fps | ••• | |
| ••• | 1.830" | 20.0" | 2592 fps | ••• | |
| ••• | 1.830" | 20.0" | 2662 fps | ••• | |
| ••• | 1.830" | 20.0" | 2733 fps | ••• | |
| ••• | 1.830" | 20.0" | 2459 fps | ••• | |
| ••• | 1.830" | 20.0" | 2576 fps | ••• | |
| ••• | 1.830" | 20.0" | 2696 fps | ••• | |
| ••• | 1.830" | 20.0" | 2769 fps | ••• | |
| ••• | 1.830" | 20.0" | 2510 fps | ••• | |
| ••• | 1.830" | 20.0" | 2601 fps | ••• | |
| ••• | 1.830" | 20.0" | 2693 fps | ••• | |
| ••• | 1.830" | 20.0" | 2786 fps | ••• | |
| ••• | 1.830" | 24.0" | 2826 fps | ••• | |
| ••• | 1.830" | 20.0" | 2552 fps | ••• | |
| ••• | 1.830" | 20.0" | 2625 fps | ••• | |
| ••• | 1.830" | 20.0" | 2698 fps | ••• | |
| ••• | 1.830" | 24.0" | 2821 fps | ••• | |
| ••• | 1.831" | 14.0" | 2526 fps | ••• | |
| ••• | 1.830" | 20.0" | 2499 fps | ••• | |
| ••• | 1.830" | 20.0" | 2572 fps | ••• | |
| ••• | 1.830" | 20.0" | 2643 fps | ••• | |
| ••• | 1.830" | 20.0" | 2714 fps | ••• | |
| ••• | 1.830" | 20.0" | 2785 fps | ••• | |
| ••• | 1.831" | 14.0" | 2478 fps | ••• | |
| ••• | 1.830" | 20.0" | 2499 fps | ••• | |
| ••• | 1.830" | 20.0" | 2577 fps | ••• | |
| ••• | 1.830" | 24.0" | 2746 fps | ••• | |
| ••• | 1.830" | 20.0" | 2727 fps | ••• | |
| ••• | 1.830" | 20.0" | 2802 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.