Load data for .280 Rem. + .284 | 150gr | Sierra Tipped GameKing

.280 Rem. cartridge drawing
Sierra logo

Load Specifications

Bullet Manufacturer:Sierra
Bullet Weight:150 gr
Bullet Diameter:0.284"
Bullet Length:<<locked>>
Case Length (l3):2.54"
Cartridge Length (C.O.L.):<<locked>>
Case Capacity:67.9 Grains of Water
Primer Size:Large Rifle (LR)
Barrel Length:24"
Max. allowed Pressure:58,740 psi
Recommended Twist Rate:1:10.5

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.

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You can find more information in our FAQ: How can I use the Personalized Load Calculator?

Max Load - Barrel Length: 24"

PowderChargeFRMaxP%V(0)z
Accurate 2495<<locked>>84%51,634 psi88%2671 fps100%
Accurate 2700<<locked>>84%50,111 psi85%2667 fps96.9%
Accurate 3100ᴾ<<locked>>100%45,672 psi78%2687 fps97.7%
Accurate 4064<<locked>>86%51,924 psi88%2720 fps100%
Accurate 4350<<locked>>94%51,605 psi88%2805 fps99.7%
ADI AR 2206H<<locked>>82%51,590 psi88%2743 fps100%
ADI AR 2208<<locked>>88%52,750 psi90%2749 fps99.9%
ADI AR 2209<<locked>>98%49,864 psi85%2779 fps95.9%
Alliant Power Pro 2000-MR<<locked>>84%51,082 psi87%2854 fps99.9%
Alliant Reloder- TS 15.5<<locked>>88%52,924 psi90%2769 fps100%
Alliant Reloder-15<<locked>>84%50,096 psi85%2740 fps99.8%
Alliant Reloder-16<<locked>>96%52,678 psi90%2861 fps99.9%
Alliant Reloder-17<<locked>>90%50,140 psi85%2838 fps100%
Alliant Reloder-19ᴾ<<locked>>100%52,185 psi89%2825 fps96.6%
Alliant Reloder-23ᴾ<<locked>>100%43,163 psi73%2713 fps99.8%
Alliant Reloder-25ᴾ<<locked>>100%37,985 psi65%2612 fps96.1%
Alliant Reloder-26ᴾ<<locked>>100%48,733 psi83%2887 fps99.5%
Baschieri & Pellagri 107<<locked>>82%51,126 psi87%2756 fps99.7%
Bofors RP3<<locked>>86%50,082 psi85%2733 fps100%
Bofors RP7<<locked>>90%50,270 psi86%2707 fps97.2%
Hodgdon H380<<locked>>86%50,734 psi86%2743 fps99.3%
Hodgdon H414<<locked>>92%50,691 psi86%2799 fps97.9%
Hodgdon H4350<<locked>>90%51,111 psi87%2759 fps96.7%
Hodgdon H4895<<locked>>82%52,156 psi89%2753 fps100%
Hodgdon Hybrid 100V<<locked>>98%52,504 psi89%2785 fps100%
Hodgdon LEVERevolution<<locked>>84%51,851 psi88%2789 fps100%
Hodgdon Superformance<<locked>>92%50,720 psi86%2828 fps97.5%
Hodgdon TrailBossᴾ<<locked>>100%35,897 psi61%1713 fps100%
Hodgdon VARGET<<locked>>82%50,067 psi85%2707 fps100%
IMR 3031<<locked>>82%52,402 psi89%2736 fps100%
IMR 4064<<locked>>86%52,141 psi89%2730 fps99.9%
IMR 4166 Enduron<<locked>>84%51,924 psi88%2710 fps98%
IMR 4350<<locked>>94%50,604 psi86%2736 fps97.3%
IMR 4451 Enduron<<locked>>90%51,895 psi88%2740 fps97.9%
IMR 4831<<locked>>96%52,359 psi89%2799 fps99.8%
IMR 4895<<locked>>84%51,343 psi87%2766 fps100%
Lovex D073.6<<locked>>82%51,503 psi88%2720 fps100%
Lovex S060<<locked>>82%51,111 psi87%2674 fps100%
Lovex S062<<locked>>86%52,156 psi89%2726 fps100%
Lovex S065<<locked>>92%51,576 psi88%2733 fps98.9%
Lovex S070<<locked>>94%52,402 psi89%2769 fps98.3%
Norma 201<<locked>>82%50,401 psi86%2690 fps100%
Norma 202<<locked>>82%51,097 psi87%2694 fps100%
Norma 203B<<locked>>86%52,620 psi90%2779 fps100%
Norma 204<<locked>>94%50,937 psi87%2779 fps96%
Norma MRPᴾ<<locked>>100%48,414 psi82%2841 fps97.4%
Norma URP<<locked>>94%50,633 psi86%2789 fps99.6%
Ramshot Big Game<<locked>>86%53,113 psi90%2802 fps100%
Ramshot Hunter<<locked>>96%52,823 psi90%2841 fps98.9%
ReloadSwiss RS 14ᴾ<<locked>>100%36,579 psi62%1755 fps100%
ReloadSwiss RS 50<<locked>>86%50,995 psi87%2726 fps98.3%
ReloadSwiss RS 52<<locked>>82%50,386 psi86%2799 fps99.8%
ReloadSwiss RS 60<<locked>>88%50,024 psi85%2838 fps100%
ReloadSwiss RS 62<<locked>>94%51,430 psi88%2825 fps99.6%
ReloadSwiss RS 70<<locked>>94%50,546 psi86%2851 fps99.4%
Rottweil R 902<<locked>>84%51,242 psi87%2694 fps100%
Rottweil R 903<<locked>>88%50,227 psi86%2730 fps100%
Rottweil R 905ᴾ<<locked>>100%51,126 psi87%2808 fps96.6%
Rottweil R 907<<locked>>90%50,270 psi86%2707 fps97.2%
Shooters World Long Rifle<<locked>>92%51,576 psi88%2733 fps98.9%
Shooters World Match Rifle<<locked>>82%51,503 psi88%2720 fps100%
Shooters World Precision<<locked>>86%52,156 psi89%2726 fps100%
Shooters World SW4350<<locked>>94%52,402 psi89%2769 fps98.3%
SNPE Vectan SP 11<<locked>>88%51,677 psi88%2785 fps100%
SNPE Vectan SP 7<<locked>>82%52,533 psi89%2743 fps99.4%
SNPE Vectan SP 9<<locked>>82%50,140 psi85%2717 fps99.9%
SNPE Vectan Tubal 3000<<locked>>82%51,808 psi88%2635 fps100%
SNPE Vectan Tubal 5000<<locked>>88%52,214 psi89%2635 fps100%
SNPE Vectan Tubal 7000<<locked>>92%51,445 psi88%2687 fps97.9%
SNPE Vectan Tubal 8000ᴾ<<locked>>100%50,647 psi86%2802 fps96.4%
Somchem S335<<locked>>82%51,213 psi87%2631 fps100%
Somchem S341<<locked>>82%52,069 psi89%2733 fps100%
Somchem S355<<locked>>88%50,662 psi86%2730 fps100%
Somchem S365<<locked>>98%52,460 psi89%2848 fps100%
Somchem S385ᴾ<<locked>>100%51,822 psi88%2789 fps97.5%
Vihtavuori N133<<locked>>82%52,228 psi89%2621 fps100%
Vihtavuori N135<<locked>>84%51,024 psi87%2657 fps100%
Vihtavuori N140<<locked>>84%51,517 psi88%2674 fps100%
Vihtavuori N150<<locked>>90%51,750 psi88%2707 fps100%
Vihtavuori N160<<locked>>94%52,997 psi90%2789 fps99.7%
Vihtavuori N540<<locked>>86%52,910 psi90%2717 fps100%
Vihtavuori N550<<locked>>94%52,040 psi89%2792 fps99.6%
Vihtavuori N555ᴾ<<locked>>100%47,906 psi82%2789 fps99.7%
Winchester 6.5 StaBALL<<locked>>94%52,765 psi90%2762 fps100%
Winchester 760<<locked>>92%50,966 psi87%2802 fps97.9%
Winchester StaBALL HDᴾ<<locked>>100%38,783 psi66%2740 fps99.9%
Winchester StaBALL Match<<locked>>82%49,980 psi85%2723 fps100%

Recommended = one of the top powders for this cartridge and bullet combination.

Start Load - Barrel Length: 24"

PowderChargeFRMaxP%V(0)z
Accurate 2495<<locked>>80%45,469 psi77%2582 fps100%
Accurate 2700<<locked>>80%43,961 psi75%2559 fps95.4%
Accurate 3100<<locked>>94%37,188 psi63%2523 fps95.4%
Accurate 4064<<locked>>80%43,033 psi73%2579 fps100%
Accurate 4350<<locked>>80%31,850 psi54%2415 fps95.3%
ADI AR 2206H<<locked>>80%48,443 psi82%2690 fps99.8%
ADI AR 2208<<locked>>80%41,162 psi70%2543 fps98.6%
ADI AR 2209<<locked>>96%46,717 psi80%2723 fps95%
Alliant Power Pro 2000-MR<<locked>>80%44,556 psi76%2740 fps99.3%
Alliant Reloder- TS 15.5<<locked>>80%41,176 psi70%2569 fps99.6%
Alliant Reloder-15<<locked>>80%44,077 psi75%2635 fps99.2%
Alliant Reloder-16<<locked>>80%32,024 psi55%2428 fps95.5%
Alliant Reloder-1746.1 gr80%35,795 psi61%2552 fps98.6%
Alliant Reloder-19<<locked>>96%45,963 psi78%2713 fps95%
Alliant Reloder-23<<locked>>86%27,978 psi48%2343 fps95.2%
Alliant Reloder-25<<locked>>98%35,694 psi61%2556 fps95.1%
Alliant Reloder-26<<locked>>90%34,171 psi58%2569 fps95.6%
Baschieri & Pellagri 107<<locked>>80%48,037 psi82%2703 fps99.4%
Bofors RP3<<locked>>80%41,104 psi70%2575 fps99.6%
Bofors RP7<<locked>>84%41,785 psi71%2552 fps95%
Hodgdon H380<<locked>>80%41,785 psi71%2582 fps97.9%
Hodgdon H414<<locked>>86%41,510 psi71%2628 fps95.7%
Hodgdon H4350<<locked>>86%45,049 psi77%2651 fps95.1%
Hodgdon H4895<<locked>>80%48,907 psi83%2700 fps100%
Hodgdon Hybrid 100V<<locked>>80%29,472 psi50%2329 fps96.3%
Hodgdon LEVERevolution<<locked>>80%45,281 psi77%2680 fps99.9%
Hodgdon Superformance53.6 gr88%44,092 psi75%2707 fps95.9%
Hodgdon TrailBoss<<locked>>80%26,789 psi46%1532 fps100%
Hodgdon VARGET<<locked>>80%46,992 psi80%2654 fps99.9%
IMR 3031<<locked>>80%49,023 psi83%2687 fps100%
IMR 4064<<locked>>80%43,236 psi74%2579 fps99.1%
IMR 4166 Enduron<<locked>>80%45,600 psi78%2598 fps96.7%
IMR 4350<<locked>>88%41,887 psi71%2575 fps95%
IMR 4451 Enduron<<locked>>82%40,683 psi69%2530 fps95.2%
IMR 4831<<locked>>80%30,879 psi53%2372 fps95%
IMR 4895<<locked>>80%45,179 psi77%2661 fps99.6%
Lovex D073.6<<locked>>80%48,298 psi82%2674 fps100%
Lovex S060<<locked>>80%47,993 psi82%2621 fps99.8%
Lovex S062<<locked>>80%43,308 psi74%2579 fps99.9%
Lovex S065<<locked>>80%35,795 psi61%2431 fps95.2%
Lovex S070<<locked>>86%40,973 psi70%2562 fps95.7%
Norma 201<<locked>>80%47,616 psi81%2644 fps100%
Norma 202<<locked>>80%47,950 psi82%2644 fps100%
Norma 203B<<locked>>80%43,468 psi74%2621 fps99.4%
Norma 204<<locked>>92%47,413 psi81%2717 fps95.1%
Norma MRP<<locked>>96%42,235 psi72%2720 fps95.6%
Norma URP<<locked>>80%32,068 psi55%2415 fps95.3%
Ramshot Big Game<<locked>>80%43,352 psi74%2638 fps99.3%
Ramshot Hunter<<locked>>86%38,000 psi65%2562 fps95.5%
ReloadSwiss RS 14<<locked>>80%27,224 psi46%1568 fps100%
ReloadSwiss RS 50<<locked>>80%42,032 psi72%2566 fps96.4%
ReloadSwiss RS 52<<locked>>80%46,876 psi80%2740 fps99.5%
ReloadSwiss RS 60<<locked>>80%38,087 psi65%2615 fps100%
ReloadSwiss RS 62<<locked>>82%33,910 psi58%2487 fps95.8%
ReloadSwiss RS 7049.1 gr84%35,882 psi61%2546 fps95.7%
Rottweil R 902<<locked>>80%45,136 psi77%2595 fps100%
Rottweil R 903<<locked>>80%38,580 psi66%2520 fps99.1%
Rottweil R 905<<locked>>98%47,819 psi81%2753 fps95.8%
Rottweil R 907<<locked>>84%41,785 psi71%2552 fps95%
Shooters World Long Rifle<<locked>>80%35,795 psi61%2431 fps95.2%
Shooters World Match Rifle<<locked>>80%48,298 psi82%2674 fps100%
Shooters World Precision<<locked>>80%43,308 psi74%2579 fps99.9%
Shooters World SW4350<<locked>>86%40,973 psi70%2562 fps95.7%
SNPE Vectan SP 11<<locked>>80%39,508 psi67%2569 fps98.8%
SNPE Vectan SP 7<<locked>>80%48,994 psi83%2687 fps99%
SNPE Vectan SP 9<<locked>>80%46,818 psi80%2661 fps99.7%
SNPE Vectan Tubal 3000<<locked>>80%48,515 psi83%2585 fps100%
SNPE Vectan Tubal 5000<<locked>>80%40,654 psi69%2457 fps100%
SNPE Vectan Tubal 7000<<locked>>84%39,755 psi68%2477 fps95.1%
SNPE Vectan Tubal 8000<<locked>>98%47,355 psi81%2746 fps95.6%
Somchem S335<<locked>>80%48,370 psi82%2589 fps100%
Somchem S341<<locked>>80%48,863 psi83%2680 fps99.8%
Somchem S355<<locked>>80%39,436 psi67%2530 fps99.1%
Somchem S365<<locked>>80%28,848 psi49%2372 fps97.6%
Somchem S385<<locked>>94%42,670 psi73%2628 fps95.3%
Vihtavuori N133<<locked>>80%48,950 psi83%2572 fps100%
Vihtavuori N135<<locked>>80%44,962 psi77%2569 fps100%
Vihtavuori N140<<locked>>80%45,310 psi77%2579 fps100%
Vihtavuori N150<<locked>>80%37,362 psi64%2461 fps99.6%
Vihtavuori N160<<locked>>80%33,446 psi57%2418 fps95.8%
Vihtavuori N540<<locked>>80%43,859 psi75%2572 fps100%
Vihtavuori N550<<locked>>80%33,054 psi56%2418 fps95.4%
Vihtavuori N555<<locked>>86%30,255 psi52%2415 fps95.4%
Winchester 6.5 StaBALL<<locked>>80%33,112 psi56%2395 fps97.9%
Winchester 760<<locked>>86%41,742 psi71%2631 fps95.8%
Winchester StaBALL HD<<locked>>90%27,978 psi48%2418 fps95.8%
Winchester StaBALL Match<<locked>>80%46,630 psi79%2667 fps99.9%

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.

<<locked>> you need an access license to unlock this data.

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.

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