
Load Specifications
Load data in caliber .280 Rem. with .284 | 150gr | Sierra Tipped GameKing bullet and 87 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 70, Hodgdon Superformance and Alliant Reloder-17.
Important Notice: DO NOT go below Minimum Charge or above Maximum Charge. Since we have no control over the equipment and components used, any responsibility and liability for the results achieved is rejected.
Only powders/loads that match the current filter criteria are displayed: max pressure of a load ≤ 90% of max. standardized pressure, fill rate ≥ 80% and propellant combustion ≥ 95%. Use the sliders above the tables to adjust these thresholds.
Charge: Powder weight in grains. Start with the minimum load and work up carefully.
FR (Fill Rate): Case fill as a percentage. Values above 100% mean compressed loads.
MaxP / %: Maximum chamber pressure in bar and as a percentage of the standardized maximum for this caliber.
V(0): Muzzle velocity in feet per second (fps) at the standardized barrel length.
z (Powder Burn): Estimated propellant combustion percentage at bullet exit.
A valid access license is required to use the Personalized Load Calculator.
You can find more information in our FAQ: How can I use the Personalized Load Calculator?
Max Load - Barrel Length: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2495 | <<locked>> | 84% | 51,634 psi | 88% | 2671 fps | 100% |
| Accurate 2700 | <<locked>> | 84% | 50,111 psi | 85% | 2667 fps | 96.9% |
| Accurate 3100ᴾ | <<locked>> | 100% | 45,672 psi | 78% | 2687 fps | 97.7% |
| Accurate 4064 | <<locked>> | 86% | 51,924 psi | 88% | 2720 fps | 100% |
| Accurate 4350 | <<locked>> | 94% | 51,605 psi | 88% | 2805 fps | 99.7% |
| ADI AR 2206H | <<locked>> | 82% | 51,590 psi | 88% | 2743 fps | 100% |
| ADI AR 2208 | <<locked>> | 88% | 52,750 psi | 90% | 2749 fps | 99.9% |
| ADI AR 2209 | <<locked>> | 98% | 49,864 psi | 85% | 2779 fps | 95.9% |
| Alliant Power Pro 2000-MR | <<locked>> | 84% | 51,082 psi | 87% | 2854 fps | 99.9% |
| Alliant Reloder- TS 15.5 | <<locked>> | 88% | 52,924 psi | 90% | 2769 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 84% | 50,096 psi | 85% | 2740 fps | 99.8% |
| Alliant Reloder-16 | <<locked>> | 96% | 52,678 psi | 90% | 2861 fps | 99.9% |
| Alliant Reloder-17 | <<locked>> | 90% | 50,140 psi | 85% | 2838 fps | 100% |
| Alliant Reloder-19ᴾ | <<locked>> | 100% | 52,185 psi | 89% | 2825 fps | 96.6% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 43,163 psi | 73% | 2713 fps | 99.8% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 37,985 psi | 65% | 2612 fps | 96.1% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 48,733 psi | 83% | 2887 fps | 99.5% |
| Baschieri & Pellagri 107 | <<locked>> | 82% | 51,126 psi | 87% | 2756 fps | 99.7% |
| Bofors RP3 | <<locked>> | 86% | 50,082 psi | 85% | 2733 fps | 100% |
| Bofors RP7 | <<locked>> | 90% | 50,270 psi | 86% | 2707 fps | 97.2% |
| Hodgdon H380 | <<locked>> | 86% | 50,734 psi | 86% | 2743 fps | 99.3% |
| Hodgdon H414 | <<locked>> | 92% | 50,691 psi | 86% | 2799 fps | 97.9% |
| Hodgdon H4350 | <<locked>> | 90% | 51,111 psi | 87% | 2759 fps | 96.7% |
| Hodgdon H4895 | <<locked>> | 82% | 52,156 psi | 89% | 2753 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 98% | 52,504 psi | 89% | 2785 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 84% | 51,851 psi | 88% | 2789 fps | 100% |
| Hodgdon Superformance | <<locked>> | 92% | 50,720 psi | 86% | 2828 fps | 97.5% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,897 psi | 61% | 1713 fps | 100% |
| Hodgdon VARGET | <<locked>> | 82% | 50,067 psi | 85% | 2707 fps | 100% |
| IMR 3031 | <<locked>> | 82% | 52,402 psi | 89% | 2736 fps | 100% |
| IMR 4064 | <<locked>> | 86% | 52,141 psi | 89% | 2730 fps | 99.9% |
| IMR 4166 Enduron | <<locked>> | 84% | 51,924 psi | 88% | 2710 fps | 98% |
| IMR 4350 | <<locked>> | 94% | 50,604 psi | 86% | 2736 fps | 97.3% |
| IMR 4451 Enduron | <<locked>> | 90% | 51,895 psi | 88% | 2740 fps | 97.9% |
| IMR 4831 | <<locked>> | 96% | 52,359 psi | 89% | 2799 fps | 99.8% |
| IMR 4895 | <<locked>> | 84% | 51,343 psi | 87% | 2766 fps | 100% |
| Lovex D073.6 | <<locked>> | 82% | 51,503 psi | 88% | 2720 fps | 100% |
| Lovex S060 | <<locked>> | 82% | 51,111 psi | 87% | 2674 fps | 100% |
| Lovex S062 | <<locked>> | 86% | 52,156 psi | 89% | 2726 fps | 100% |
| Lovex S065 | <<locked>> | 92% | 51,576 psi | 88% | 2733 fps | 98.9% |
| Lovex S070 | <<locked>> | 94% | 52,402 psi | 89% | 2769 fps | 98.3% |
| Norma 201 | <<locked>> | 82% | 50,401 psi | 86% | 2690 fps | 100% |
| Norma 202 | <<locked>> | 82% | 51,097 psi | 87% | 2694 fps | 100% |
| Norma 203B | <<locked>> | 86% | 52,620 psi | 90% | 2779 fps | 100% |
| Norma 204 | <<locked>> | 94% | 50,937 psi | 87% | 2779 fps | 96% |
| Norma MRPᴾ | <<locked>> | 100% | 48,414 psi | 82% | 2841 fps | 97.4% |
| Norma URP | <<locked>> | 94% | 50,633 psi | 86% | 2789 fps | 99.6% |
| Ramshot Big Game | <<locked>> | 86% | 53,113 psi | 90% | 2802 fps | 100% |
| Ramshot Hunter | <<locked>> | 96% | 52,823 psi | 90% | 2841 fps | 98.9% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,579 psi | 62% | 1755 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 86% | 50,995 psi | 87% | 2726 fps | 98.3% |
| ReloadSwiss RS 52 | <<locked>> | 82% | 50,386 psi | 86% | 2799 fps | 99.8% |
| ReloadSwiss RS 60 | <<locked>> | 88% | 50,024 psi | 85% | 2838 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 94% | 51,430 psi | 88% | 2825 fps | 99.6% |
| ReloadSwiss RS 70 | <<locked>> | 94% | 50,546 psi | 86% | 2851 fps | 99.4% |
| Rottweil R 902 | <<locked>> | 84% | 51,242 psi | 87% | 2694 fps | 100% |
| Rottweil R 903 | <<locked>> | 88% | 50,227 psi | 86% | 2730 fps | 100% |
| Rottweil R 905ᴾ | <<locked>> | 100% | 51,126 psi | 87% | 2808 fps | 96.6% |
| Rottweil R 907 | <<locked>> | 90% | 50,270 psi | 86% | 2707 fps | 97.2% |
| Shooters World Long Rifle | <<locked>> | 92% | 51,576 psi | 88% | 2733 fps | 98.9% |
| Shooters World Match Rifle | <<locked>> | 82% | 51,503 psi | 88% | 2720 fps | 100% |
| Shooters World Precision | <<locked>> | 86% | 52,156 psi | 89% | 2726 fps | 100% |
| Shooters World SW4350 | <<locked>> | 94% | 52,402 psi | 89% | 2769 fps | 98.3% |
| SNPE Vectan SP 11 | <<locked>> | 88% | 51,677 psi | 88% | 2785 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 82% | 52,533 psi | 89% | 2743 fps | 99.4% |
| SNPE Vectan SP 9 | <<locked>> | 82% | 50,140 psi | 85% | 2717 fps | 99.9% |
| SNPE Vectan Tubal 3000 | <<locked>> | 82% | 51,808 psi | 88% | 2635 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 88% | 52,214 psi | 89% | 2635 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 92% | 51,445 psi | 88% | 2687 fps | 97.9% |
| SNPE Vectan Tubal 8000ᴾ | <<locked>> | 100% | 50,647 psi | 86% | 2802 fps | 96.4% |
| Somchem S335 | <<locked>> | 82% | 51,213 psi | 87% | 2631 fps | 100% |
| Somchem S341 | <<locked>> | 82% | 52,069 psi | 89% | 2733 fps | 100% |
| Somchem S355 | <<locked>> | 88% | 50,662 psi | 86% | 2730 fps | 100% |
| Somchem S365 | <<locked>> | 98% | 52,460 psi | 89% | 2848 fps | 100% |
| Somchem S385ᴾ | <<locked>> | 100% | 51,822 psi | 88% | 2789 fps | 97.5% |
| Vihtavuori N133 | <<locked>> | 82% | 52,228 psi | 89% | 2621 fps | 100% |
| Vihtavuori N135 | <<locked>> | 84% | 51,024 psi | 87% | 2657 fps | 100% |
| Vihtavuori N140 | <<locked>> | 84% | 51,517 psi | 88% | 2674 fps | 100% |
| Vihtavuori N150 | <<locked>> | 90% | 51,750 psi | 88% | 2707 fps | 100% |
| Vihtavuori N160 | <<locked>> | 94% | 52,997 psi | 90% | 2789 fps | 99.7% |
| Vihtavuori N540 | <<locked>> | 86% | 52,910 psi | 90% | 2717 fps | 100% |
| Vihtavuori N550 | <<locked>> | 94% | 52,040 psi | 89% | 2792 fps | 99.6% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 47,906 psi | 82% | 2789 fps | 99.7% |
| Winchester 6.5 StaBALL | <<locked>> | 94% | 52,765 psi | 90% | 2762 fps | 100% |
| Winchester 760 | <<locked>> | 92% | 50,966 psi | 87% | 2802 fps | 97.9% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 38,783 psi | 66% | 2740 fps | 99.9% |
| Winchester StaBALL Match | <<locked>> | 82% | 49,980 psi | 85% | 2723 fps | 100% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2495 | <<locked>> | 80% | 45,469 psi | 77% | 2582 fps | 100% |
| Accurate 2700 | <<locked>> | 80% | 43,961 psi | 75% | 2559 fps | 95.4% |
| Accurate 3100 | <<locked>> | 94% | 37,188 psi | 63% | 2523 fps | 95.4% |
| Accurate 4064 | <<locked>> | 80% | 43,033 psi | 73% | 2579 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 31,850 psi | 54% | 2415 fps | 95.3% |
| ADI AR 2206H | <<locked>> | 80% | 48,443 psi | 82% | 2690 fps | 99.8% |
| ADI AR 2208 | <<locked>> | 80% | 41,162 psi | 70% | 2543 fps | 98.6% |
| ADI AR 2209 | <<locked>> | 96% | 46,717 psi | 80% | 2723 fps | 95% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 44,556 psi | 76% | 2740 fps | 99.3% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 41,176 psi | 70% | 2569 fps | 99.6% |
| Alliant Reloder-15 | <<locked>> | 80% | 44,077 psi | 75% | 2635 fps | 99.2% |
| Alliant Reloder-16 | <<locked>> | 80% | 32,024 psi | 55% | 2428 fps | 95.5% |
| Alliant Reloder-17 | 46.1 gr | 80% | 35,795 psi | 61% | 2552 fps | 98.6% |
| Alliant Reloder-19 | <<locked>> | 96% | 45,963 psi | 78% | 2713 fps | 95% |
| Alliant Reloder-23 | <<locked>> | 86% | 27,978 psi | 48% | 2343 fps | 95.2% |
| Alliant Reloder-25 | <<locked>> | 98% | 35,694 psi | 61% | 2556 fps | 95.1% |
| Alliant Reloder-26 | <<locked>> | 90% | 34,171 psi | 58% | 2569 fps | 95.6% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 48,037 psi | 82% | 2703 fps | 99.4% |
| Bofors RP3 | <<locked>> | 80% | 41,104 psi | 70% | 2575 fps | 99.6% |
| Bofors RP7 | <<locked>> | 84% | 41,785 psi | 71% | 2552 fps | 95% |
| Hodgdon H380 | <<locked>> | 80% | 41,785 psi | 71% | 2582 fps | 97.9% |
| Hodgdon H414 | <<locked>> | 86% | 41,510 psi | 71% | 2628 fps | 95.7% |
| Hodgdon H4350 | <<locked>> | 86% | 45,049 psi | 77% | 2651 fps | 95.1% |
| Hodgdon H4895 | <<locked>> | 80% | 48,907 psi | 83% | 2700 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 29,472 psi | 50% | 2329 fps | 96.3% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 45,281 psi | 77% | 2680 fps | 99.9% |
| Hodgdon Superformance | 53.6 gr | 88% | 44,092 psi | 75% | 2707 fps | 95.9% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,789 psi | 46% | 1532 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 46,992 psi | 80% | 2654 fps | 99.9% |
| IMR 3031 | <<locked>> | 80% | 49,023 psi | 83% | 2687 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 43,236 psi | 74% | 2579 fps | 99.1% |
| IMR 4166 Enduron | <<locked>> | 80% | 45,600 psi | 78% | 2598 fps | 96.7% |
| IMR 4350 | <<locked>> | 88% | 41,887 psi | 71% | 2575 fps | 95% |
| IMR 4451 Enduron | <<locked>> | 82% | 40,683 psi | 69% | 2530 fps | 95.2% |
| IMR 4831 | <<locked>> | 80% | 30,879 psi | 53% | 2372 fps | 95% |
| IMR 4895 | <<locked>> | 80% | 45,179 psi | 77% | 2661 fps | 99.6% |
| Lovex D073.6 | <<locked>> | 80% | 48,298 psi | 82% | 2674 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 47,993 psi | 82% | 2621 fps | 99.8% |
| Lovex S062 | <<locked>> | 80% | 43,308 psi | 74% | 2579 fps | 99.9% |
| Lovex S065 | <<locked>> | 80% | 35,795 psi | 61% | 2431 fps | 95.2% |
| Lovex S070 | <<locked>> | 86% | 40,973 psi | 70% | 2562 fps | 95.7% |
| Norma 201 | <<locked>> | 80% | 47,616 psi | 81% | 2644 fps | 100% |
| Norma 202 | <<locked>> | 80% | 47,950 psi | 82% | 2644 fps | 100% |
| Norma 203B | <<locked>> | 80% | 43,468 psi | 74% | 2621 fps | 99.4% |
| Norma 204 | <<locked>> | 92% | 47,413 psi | 81% | 2717 fps | 95.1% |
| Norma MRP | <<locked>> | 96% | 42,235 psi | 72% | 2720 fps | 95.6% |
| Norma URP | <<locked>> | 80% | 32,068 psi | 55% | 2415 fps | 95.3% |
| Ramshot Big Game | <<locked>> | 80% | 43,352 psi | 74% | 2638 fps | 99.3% |
| Ramshot Hunter | <<locked>> | 86% | 38,000 psi | 65% | 2562 fps | 95.5% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,224 psi | 46% | 1568 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 42,032 psi | 72% | 2566 fps | 96.4% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 46,876 psi | 80% | 2740 fps | 99.5% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 38,087 psi | 65% | 2615 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 82% | 33,910 psi | 58% | 2487 fps | 95.8% |
| ReloadSwiss RS 70 | 49.1 gr | 84% | 35,882 psi | 61% | 2546 fps | 95.7% |
| Rottweil R 902 | <<locked>> | 80% | 45,136 psi | 77% | 2595 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 38,580 psi | 66% | 2520 fps | 99.1% |
| Rottweil R 905 | <<locked>> | 98% | 47,819 psi | 81% | 2753 fps | 95.8% |
| Rottweil R 907 | <<locked>> | 84% | 41,785 psi | 71% | 2552 fps | 95% |
| Shooters World Long Rifle | <<locked>> | 80% | 35,795 psi | 61% | 2431 fps | 95.2% |
| Shooters World Match Rifle | <<locked>> | 80% | 48,298 psi | 82% | 2674 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 43,308 psi | 74% | 2579 fps | 99.9% |
| Shooters World SW4350 | <<locked>> | 86% | 40,973 psi | 70% | 2562 fps | 95.7% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 39,508 psi | 67% | 2569 fps | 98.8% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 48,994 psi | 83% | 2687 fps | 99% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 46,818 psi | 80% | 2661 fps | 99.7% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 48,515 psi | 83% | 2585 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 40,654 psi | 69% | 2457 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 84% | 39,755 psi | 68% | 2477 fps | 95.1% |
| SNPE Vectan Tubal 8000 | <<locked>> | 98% | 47,355 psi | 81% | 2746 fps | 95.6% |
| Somchem S335 | <<locked>> | 80% | 48,370 psi | 82% | 2589 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 48,863 psi | 83% | 2680 fps | 99.8% |
| Somchem S355 | <<locked>> | 80% | 39,436 psi | 67% | 2530 fps | 99.1% |
| Somchem S365 | <<locked>> | 80% | 28,848 psi | 49% | 2372 fps | 97.6% |
| Somchem S385 | <<locked>> | 94% | 42,670 psi | 73% | 2628 fps | 95.3% |
| Vihtavuori N133 | <<locked>> | 80% | 48,950 psi | 83% | 2572 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 44,962 psi | 77% | 2569 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 45,310 psi | 77% | 2579 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 37,362 psi | 64% | 2461 fps | 99.6% |
| Vihtavuori N160 | <<locked>> | 80% | 33,446 psi | 57% | 2418 fps | 95.8% |
| Vihtavuori N540 | <<locked>> | 80% | 43,859 psi | 75% | 2572 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 33,054 psi | 56% | 2418 fps | 95.4% |
| Vihtavuori N555 | <<locked>> | 86% | 30,255 psi | 52% | 2415 fps | 95.4% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 33,112 psi | 56% | 2395 fps | 97.9% |
| Winchester 760 | <<locked>> | 86% | 41,742 psi | 71% | 2631 fps | 95.8% |
| Winchester StaBALL HD | <<locked>> | 90% | 27,978 psi | 48% | 2418 fps | 95.8% |
| Winchester StaBALL Match | <<locked>> | 80% | 46,630 psi | 79% | 2667 fps | 99.9% |
Recommended = one of the top powders for this cartridge and bullet combination.
ᴾ possible press load - work up slowly to this load while watching for signs of excessive pressure.
This overview compares 87 powders for .280 Rem. loaded with the .284 | 150gr | Sierra Tipped GameKing. Alliant Reloder-26 delivers the highest muzzle velocity at 2,887 fps; across all powders the maximum-charge window runs from 1,713 fps to 2,887 fps. Accurate 3100 gives the best case fill at 100 %, and 87 of the 87 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (405 MPa), the top charges use 61–90 %, leaving at least 10 % headroom. The 150.0 gr projectile in 0.284" calls for a 1:10.5 twist; slower twists will usually not stabilise this weight. Accurate 3100, Alliant Reloder-19, Alliant Reloder-23 reach 100 % fill or more at maximum charge, so these are compressed loads: they need a long drop tube to seat cleanly and react sensitively to the case capacity of your own brass lot. ReloadSwiss RS 70, Hodgdon Superformance, Alliant Reloder-17 rank at the top here: for .280 Rem. with the .284 | 150gr | Sierra Tipped GameKing they combine a high case fill with complete burn and sit in the upper velocity band. Always begin at the start load and work up in small increments while checking case and primer for pressure signs.