Load data for .280 Rem. + 175gr Sierra GameKing
Based on C.I.P., the max. allowed case length is 2.540 in / 64.52 mm, the max. cartridge length is 3.330 in / 84.58 mm, and the max. allowed pressure is 58,740 PSI / 4,050 bar.

Based on C.I.P., the max. allowed case length is 2.540 in / 64.52 mm, the max. cartridge length is 3.330 in / 84.58 mm, and the max. allowed pressure is 58,740 PSI / 4,050 bar.

Load Specifications
ImperialMetric
Bullet:.284 | 175gr | GameKing
Cartridge:.280 Rem. load data
Case Length (L3):2.540" | 64.5 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.604" | 15.3 mm
Case Capacity:67.9 gow | 4.40 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:1:10.5
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Community Loads for .280 Rem. + 175gr Sierra 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) |
|---|---|---|---|---|---|
| 43.9 gr | 3.330" | 24.0" | 2420 fps | ••• | |
| 45.0 gr | 3.330" | 24.0" | 2473 fps | ••• | |
| 46.1 gr | 3.330" | 24.0" | 2523 fps | ••• | |
| ••• | 3.330" | 24.0" | 2573 fps | ••• | |
| ••• | 3.330" | 24.0" | 2629 fps | ••• | |
| ••• | 3.330" | 24.0" | 2476 fps | ••• | |
| ••• | 3.330" | 24.0" | 2517 fps | ••• | |
| ••• | 3.330" | 24.0" | 2286 fps | ••• | |
| ••• | 3.330" | 24.0" | 2341 fps | ••• | |
| ••• | 3.330" | 24.0" | 2395 fps | ••• | |
| ••• | 3.330" | 24.0" | 2452 fps | ••• | |
| ••• | 3.330" | 24.0" | 2441 fps | ••• | |
| ••• | 3.330" | 24.0" | 2488 fps | ••• | |
| ••• | 3.330" | 24.0" | 2534 fps | ••• | |
| ••• | 3.330" | 24.0" | 2579 fps | ••• | |
| ••• | 3.330" | 24.0" | 2304 fps | ••• | |
| ••• | 3.330" | 24.0" | 2355 fps | ••• | |
| ••• | 3.330" | 24.0" | 2412 fps | ••• | |
| ••• | 3.330" | 24.0" | 2470 fps | ••• | |
| ••• | 3.330" | 24.0" | 2527 fps | ••• | |
| ••• | 3.330" | 24.0" | 2288 fps | ••• | |
| ••• | 3.330" | 24.0" | 2328 fps | ••• | |
| ••• | 3.330" | 24.0" | 2369 fps | ••• | |
| ••• | 3.330" | 24.0" | 2413 fps | ••• | |
| ••• | 3.330" | 24.0" | 2461 fps | ••• | |
| ••• | 3.330" | 24.0" | 2512 fps | ••• | |
| ••• | 3.330" | 24.0" | 2406 fps | ••• | |
| ••• | 3.330" | 24.0" | 2447 fps | ••• | |
| ••• | 3.330" | 24.0" | 2488 fps | ••• | |
| ••• | 3.330" | 24.0" | 2527 fps | ••• | |
| ••• | 3.330" | 24.0" | 2572 fps | ••• | |
| ••• | 3.330" | 24.0" | 2611 fps | ••• | |
| ••• | 3.330" | 24.0" | 2338 fps | ••• | |
| ••• | 3.330" | 24.0" | 2379 fps | ••• | |
| ••• | 3.330" | 24.0" | 2417 fps | ••• | |
| ••• | 3.330" | 24.0" | 2462 fps | ••• | |
| ••• | 3.330" | 24.0" | 2505 fps | ••• | |
| ••• | 3.330" | 24.0" | 2551 fps | ••• | |
| ••• | 3.330" | 24.0" | 2532 fps | ••• | |
| ••• | 3.330" | 24.0" | 2330 fps | ••• | |
| ••• | 3.330" | 24.0" | 2621 fps | ••• | |
| ••• | 3.330" | 24.0" | 2346 fps | ••• | |
| ••• | 3.330" | 24.0" | 2395 fps | ••• | |
| ••• | 3.330" | 24.0" | 2445 fps | ••• | |
| ••• | 3.330" | 24.0" | 2491 fps | ••• | |
| ••• | 3.330" | 24.0" | 2541 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.