Load data for .22-250 Rem. + 55gr Sierra HPBT GameKing
Based on C.I.P., the max. allowed case length is 1.908 in / 48.46 mm, the max. cartridge length is 2.350 in / 59.69 mm, and the max. allowed pressure is 58,740 PSI / 4,050 bar.

Based on C.I.P., the max. allowed case length is 1.908 in / 48.46 mm, the max. cartridge length is 2.350 in / 59.69 mm, and the max. allowed pressure is 58,740 PSI / 4,050 bar.

Load Specifications
ImperialMetric
Bullet:.224 | 55gr | HPBT GameKing
Cartridge:.22-250 Rem. load data
Case Length (L3):1.912" | 48.6 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.310" | 7.9 mm
Case Capacity:43.49 gow | 2.82 cm³
Primer Size:Large Rifle (LR)
Max. Pressure (C.I.P.):58,740 psi | 4,050 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:1:12.0
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Community Loads for .22-250 Rem. + 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) |
|---|---|---|---|---|---|
| 34.2 gr | 2.320" | 24.0" | 3290 fps | ••• | |
| 35.2 gr | 2.320" | 24.0" | 3389 fps | ••• | |
| 36.2 gr | 2.320" | 24.0" | 3487 fps | ••• | |
| ••• | 2.320" | 24.0" | 3585 fps | ••• | |
| ••• | 2.320" | 24.0" | 3188 fps | ••• | |
| ••• | 2.320" | 24.0" | 3297 fps | ••• | |
| ••• | 2.320" | 24.0" | 3405 fps | ••• | |
| ••• | 2.320" | 24.0" | 3494 fps | ••• | |
| ••• | 2.320" | 24.0" | 3112 fps | ••• | |
| ••• | 2.320" | 24.0" | 3198 fps | ••• | |
| ••• | 2.320" | 24.0" | 3293 fps | ••• | |
| ••• | 2.320" | 24.0" | 3397 fps | ••• | |
| ••• | 2.320" | 24.0" | 3070 fps | ••• | |
| ••• | 2.320" | 24.0" | 3184 fps | ••• | |
| ••• | 2.320" | 24.0" | 3291 fps | ••• | |
| ••• | 2.320" | 24.0" | 3386 fps | ••• | |
| ••• | 2.320" | 24.0" | 3472 fps | ••• | |
| ••• | 2.320" | 24.0" | 3349 fps | ••• | |
| ••• | 2.320" | 24.0" | 3444 fps | ••• | |
| ••• | 2.320" | 24.0" | 3527 fps | ••• | |
| ••• | 2.320" | 24.0" | 3620 fps | ••• | |
| ••• | 2.320" | 24.0" | 3693 fps | ••• | |
| ••• | 2.320" | 24.0" | 3395 fps | ••• | |
| ••• | 2.320" | 24.0" | 3512 fps | ••• | |
| ••• | 2.320" | 24.0" | 3136 fps | ••• | |
| ••• | 2.320" | 24.0" | 3227 fps | ••• | |
| ••• | 2.320" | 24.0" | 3324 fps | ••• | |
| ••• | 2.320" | 24.0" | 3432 fps | ••• | |
| ••• | 2.320" | 24.0" | 3125 fps | ••• | |
| ••• | 2.320" | 24.0" | 3207 fps | ••• | |
| ••• | 2.320" | 24.0" | 3294 fps | ••• | |
| ••• | 2.320" | 24.0" | 3391 fps | ••• | |
| ••• | 2.320" | 24.0" | 3124 fps | ••• | |
| ••• | 2.320" | 24.0" | 3215 fps | ••• | |
| ••• | 2.320" | 24.0" | 3296 fps | ••• | |
| ••• | 2.320" | 24.0" | 3381 fps | ••• | |
| ••• | 2.320" | 24.0" | 3096 fps | ••• | |
| ••• | 2.320" | 24.0" | 3191 fps | ••• | |
| ••• | 2.320" | 24.0" | 3288 fps | ••• | |
| ••• | 2.320" | 24.0" | 3377 fps | ••• | |
| ••• | 2.320" | 24.0" | 3474 fps | ••• | |
| ••• | 2.320" | 24.0" | 3224 fps | ••• | |
| ••• | 2.320" | 24.0" | 3337 fps | ••• | |
| ••• | 2.320" | 24.0" | 3453 fps | ••• | |
| ••• | 2.320" | 24.0" | 3277 fps | ••• | |
| ••• | 2.320" | 24.0" | 3391 fps | ••• | |
| ••• | 2.315" | 20.1" | 3176 fps | ••• | |
| ••• | 2.320" | 24.0" | 3179 fps | ••• | |
| ••• | 2.320" | 24.0" | 3289 fps | ••• | |
| ••• | 2.350" | 20.0" | 3238 fps | ••• | |
| ••• | 2.320" | 24.0" | 3386 fps | ••• | |
| ••• | 2.320" | 24.0" | 3475 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.