Load data for .220 Swift + 55gr Sierra SP Blitz
Based on C.I.P., the max. allowed case length is 2.205 in / 56.01 mm, the max. cartridge length is 2.680 in / 68.07 mm, and the max. allowed pressure is 62,366 PSI / 4,300 bar.

Based on C.I.P., the max. allowed case length is 2.205 in / 56.01 mm, the max. cartridge length is 2.680 in / 68.07 mm, and the max. allowed pressure is 62,366 PSI / 4,300 bar.

Load Specifications
ImperialMetric
Bullet:.224 | 55gr | SP Blitz
Cartridge:.220 Swift load data
Case Length (L3):2.205" | 56.0 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.247" | 6.3 mm
Case Capacity:47 gow | 3.05 cm³
Primer Size:Large Rifle (LR)
Max. Pressure (C.I.P.):62,366 psi | 4,300 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:1:12.0
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Community Loads for .220 Swift + 55gr 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) |
|---|---|---|---|---|---|
| 39.5 gr | 2.680" | 24.0" | 3416 fps | ••• | |
| 41.8 gr | 2.680" | 24.0" | 3632 fps | ••• | |
| 36.5 gr | 2.680" | 24.0" | 3245 fps | ••• | |
| ••• | 2.680" | 24.0" | 3366 fps | ••• | |
| ••• | 2.680" | 24.0" | 3487 fps | ••• | |
| ••• | 2.680" | 24.0" | 3589 fps | ••• | |
| ••• | 2.680" | 24.0" | 3632 fps | ••• | |
| ••• | 2.680" | 24.0" | 3228 fps | ••• | |
| ••• | 2.680" | 24.0" | 3347 fps | ••• | |
| ••• | 2.680" | 24.0" | 3459 fps | ••• | |
| ••• | 2.680" | 24.0" | 3504 fps | ••• | |
| ••• | 2.680" | 24.0" | 3037 fps | ••• | |
| ••• | 2.680" | 24.0" | 3165 fps | ••• | |
| ••• | 2.680" | 24.0" | 3285 fps | ••• | |
| ••• | 2.680" | 24.0" | 3400 fps | ••• | |
| ••• | 2.680" | 24.0" | 3512 fps | ••• | |
| ••• | 2.680" | 24.0" | 3618 fps | ••• | |
| ••• | 2.680" | 24.0" | 3097 fps | ••• | |
| ••• | 2.680" | 24.0" | 3205 fps | ••• | |
| ••• | 2.680" | 24.0" | 3309 fps | ••• | |
| ••• | 2.680" | 24.0" | 3408 fps | ••• | |
| ••• | 2.680" | 24.0" | 3513 fps | ••• | |
| ••• | 2.680" | 24.0" | 3559 fps | ••• | |
| ••• | 2.680" | 24.0" | 3327 fps | ••• | |
| ••• | 2.680" | 24.0" | 3472 fps | ••• | |
| ••• | 2.680" | 24.0" | 3178 fps | ••• | |
| ••• | 2.680" | 24.0" | 3283 fps | ••• | |
| ••• | 2.680" | 24.0" | 3404 fps | ••• | |
| ••• | 2.680" | 24.0" | 3287 fps | ••• | |
| ••• | 2.680" | 24.0" | 3407 fps | ••• | |
| ••• | 2.680" | 24.0" | 3520 fps | ••• | |
| ••• | 2.680" | 24.0" | 3629 fps | ••• | |
| ••• | 2.680" | 24.0" | 3214 fps | ••• | |
| ••• | 2.680" | 24.0" | 3302 fps | ••• | |
| ••• | 2.680" | 24.0" | 3404 fps | ••• | |
| ••• | 2.680" | 24.0" | 3527 fps | ••• | |
| ••• | 2.680" | 24.0" | 3245 fps | ••• | |
| ••• | 2.680" | 24.0" | 3350 fps | ••• | |
| ••• | 2.680" | 24.0" | 3454 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.