Load data for .220 Swift + 45gr Sierra VarmintKing
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 | 45gr | VarmintKing
Cartridge:.220 Swift load data
Case Length (L3):2.205" | 56.0 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.150" | 3.8 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:Stabilizes in any common twist
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Community Loads for .220 Swift + 45gr Sierra VarmintKing
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) |
|---|---|---|---|---|---|
| 33.5 gr | 2.680" | 24.0" | 3592 fps | ••• | |
| 34.7 gr | 2.680" | 24.0" | 3700 fps | ••• | |
| 36.1 gr | 2.680" | 24.0" | 3821 fps | ••• | |
| ••• | 2.680" | 24.0" | 3387 fps | ••• | |
| ••• | 2.680" | 24.0" | 3508 fps | ••• | |
| ••• | 2.680" | 24.0" | 3630 fps | ••• | |
| ••• | 2.680" | 24.0" | 3740 fps | ••• | |
| ••• | 2.680" | 24.0" | 3852 fps | ••• | |
| ••• | 2.680" | 24.0" | 3444 fps | ••• | |
| ••• | 2.680" | 24.0" | 3526 fps | ••• | |
| ••• | 2.680" | 24.0" | 3618 fps | ••• | |
| ••• | 2.680" | 24.0" | 3704 fps | ••• | |
| ••• | 2.680" | 24.0" | 3794 fps | ••• | |
| ••• | 2.680" | 24.0" | 3505 fps | ••• | |
| ••• | 2.680" | 24.0" | 3595 fps | ••• | |
| ••• | 2.680" | 24.0" | 3687 fps | ••• | |
| ••• | 2.680" | 24.0" | 3786 fps | ••• | |
| ••• | 2.680" | 24.0" | 3878 fps | ••• | |
| ••• | 2.680" | 24.0" | 3352 fps | ••• | |
| ••• | 2.680" | 24.0" | 3434 fps | ••• | |
| ••• | 2.680" | 24.0" | 3516 fps | ••• | |
| ••• | 2.680" | 24.0" | 3598 fps | ••• | |
| ••• | 2.680" | 24.0" | 3692 fps | ••• | |
| ••• | 2.680" | 24.0" | 3772 fps | ••• | |
| ••• | 2.680" | 24.0" | 3280 fps | ••• | |
| ••• | 2.680" | 24.0" | 3377 fps | ••• | |
| ••• | 2.680" | 24.0" | 3482 fps | ••• | |
| ••• | 2.680" | 24.0" | 3591 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.