Load data for .220 Swift + 55gr Sierra HPBT GameKing
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 | HPBT GameKing
Cartridge:.220 Swift load data
Case Length (L3):2.205" | 56.0 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.244" | 6.2 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 HPBT GameKing
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" | 3413 fps | ••• | |
| 41.8 gr | 2.680" | 24.0" | 3630 fps | ••• | |
| 36.5 gr | 2.680" | 24.0" | 3244 fps | ••• | |
| ••• | 2.680" | 24.0" | 3364 fps | ••• | |
| ••• | 2.680" | 24.0" | 3484 fps | ••• | |
| ••• | 2.680" | 24.0" | 3585 fps | ••• | |
| ••• | 2.680" | 24.0" | 3631 fps | ••• | |
| ••• | 2.680" | 24.0" | 3223 fps | ••• | |
| ••• | 2.680" | 24.0" | 3343 fps | ••• | |
| ••• | 2.680" | 24.0" | 3454 fps | ••• | |
| ••• | 2.680" | 24.0" | 3501 fps | ••• | |
| ••• | 2.680" | 24.0" | 3035 fps | ••• | |
| ••• | 2.680" | 24.0" | 3161 fps | ••• | |
| ••• | 2.680" | 24.0" | 3282 fps | ••• | |
| ••• | 2.680" | 24.0" | 3397 fps | ••• | |
| ••• | 2.680" | 24.0" | 3509 fps | ••• | |
| ••• | 2.680" | 24.0" | 3614 fps | ••• | |
| ••• | 2.680" | 24.0" | 3094 fps | ••• | |
| ••• | 2.680" | 24.0" | 3201 fps | ••• | |
| ••• | 2.680" | 24.0" | 3308 fps | ••• | |
| ••• | 2.680" | 24.0" | 3406 fps | ••• | |
| ••• | 2.680" | 24.0" | 3509 fps | ••• | |
| ••• | 2.680" | 24.0" | 3554 fps | ••• | |
| ••• | 2.680" | 24.0" | 3325 fps | ••• | |
| ••• | 2.680" | 24.0" | 3470 fps | ••• | |
| ••• | 2.680" | 24.0" | 3175 fps | ••• | |
| ••• | 2.680" | 24.0" | 3280 fps | ••• | |
| ••• | 2.680" | 24.0" | 3401 fps | ••• | |
| ••• | 2.680" | 24.0" | 3284 fps | ••• | |
| ••• | 2.680" | 24.0" | 3405 fps | ••• | |
| ••• | 2.680" | 24.0" | 3514 fps | ••• | |
| ••• | 2.680" | 24.0" | 3626 fps | ••• | |
| ••• | 2.680" | 24.0" | 3213 fps | ••• | |
| ••• | 2.680" | 24.0" | 3299 fps | ••• | |
| ••• | 2.680" | 24.0" | 3401 fps | ••• | |
| ••• | 2.680" | 24.0" | 3523 fps | ••• | |
| ••• | 2.680" | 24.0" | 3243 fps | ••• | |
| ••• | 2.680" | 24.0" | 3346 fps | ••• | |
| ••• | 2.680" | 24.0" | 3452 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.