Load Specifications
Load data in caliber .280 Rem. with .284 | 145gr | Brenneke Teilmantel bullet and 96 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant Reloder-16, ReloadSwiss RS 70 and Ramshot Hunter.
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"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2495 | <<locked>> | 82% | 50,241 psi | 86% | 2713 fps | 100% |
| Accurate 2700 | <<locked>> | 88% | 52,823 psi | 90% | 2766 fps | 97.5% |
| Accurate 3100ᴾ | <<locked>> | 100% | 47,848 psi | 81% | 2782 fps | 98.2% |
| Accurate 4064 | <<locked>> | 84% | 50,444 psi | 86% | 2762 fps | 100% |
| Accurate 4350 | <<locked>> | 92% | 50,198 psi | 85% | 2844 fps | 99.6% |
| ADI AR 2208 | <<locked>> | 86% | 51,213 psi | 87% | 2789 fps | 99.8% |
| ADI AR 2209 | <<locked>> | 98% | 51,677 psi | 88% | 2877 fps | 96.4% |
| Alliant Power Pro 2000-MR | <<locked>> | 84% | 53,127 psi | 90% | 2956 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 84% | 53,127 psi | 90% | 2956 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 86% | 51,416 psi | 88% | 2808 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 86% | 51,416 psi | 88% | 2808 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 84% | 51,851 psi | 88% | 2831 fps | 99.9% |
| Alliant Reloder-15 | <<locked>> | 84% | 51,851 psi | 88% | 2831 fps | 99.9% |
| Alliant Reloder-16 | <<locked>> | 94% | 51,474 psi | 88% | 2907 fps | 99.9% |
| Alliant Reloder-16 | <<locked>> | 94% | 51,474 psi | 88% | 2907 fps | 99.9% |
| Alliant Reloder-17 | <<locked>> | 90% | 52,170 psi | 89% | 2933 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 90% | 52,170 psi | 89% | 2933 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 98% | 50,778 psi | 86% | 2864 fps | 96.3% |
| Alliant Reloder-19 | <<locked>> | 98% | 50,778 psi | 86% | 2864 fps | 96.3% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 44,947 psi | 77% | 2805 fps | 99.9% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 44,947 psi | 77% | 2805 fps | 99.9% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 39,595 psi | 67% | 2710 fps | 96.8% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 39,595 psi | 67% | 2710 fps | 96.8% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 51,300 psi | 87% | 2992 fps | 99.7% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 51,300 psi | 87% | 2992 fps | 99.7% |
| Baschieri & Pellagri 107 | <<locked>> | 82% | 52,823 psi | 90% | 2848 fps | 99.8% |
| Baschieri & Pellagri 107 | <<locked>> | 82% | 52,823 psi | 90% | 2848 fps | 99.8% |
| Bofors RP3 | <<locked>> | 86% | 52,040 psi | 89% | 2828 fps | 100% |
| Bofors RP3 | <<locked>> | 86% | 52,040 psi | 89% | 2828 fps | 100% |
| Bofors RP7 | <<locked>> | 90% | 51,895 psi | 88% | 2802 fps | 97.5% |
| Bofors RP7 | <<locked>> | 90% | 51,895 psi | 88% | 2802 fps | 97.5% |
| Hodgdon H380 | <<locked>> | 86% | 52,489 psi | 89% | 2835 fps | 99.5% |
| Hodgdon H380 | <<locked>> | 86% | 52,489 psi | 89% | 2835 fps | 99.5% |
| Hodgdon H414 | <<locked>> | 92% | 52,649 psi | 90% | 2894 fps | 98.3% |
| Hodgdon H414 | <<locked>> | 92% | 52,649 psi | 90% | 2894 fps | 98.3% |
| Hodgdon H4350 | <<locked>> | 90% | 52,924 psi | 90% | 2854 fps | 97.1% |
| Hodgdon Hybrid 100V | <<locked>> | 96% | 51,314 psi | 87% | 2831 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 82% | 50,024 psi | 85% | 2822 fps | 100% |
| Hodgdon Superformance | <<locked>> | 92% | 52,910 psi | 90% | 2930 fps | 98% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,926 psi | 61% | 1768 fps | 100% |
| Hodgdon VARGET | <<locked>> | 82% | 51,358 psi | 87% | 2792 fps | 100% |
| IMR 4064 | <<locked>> | 84% | 50,502 psi | 86% | 2769 fps | 99.8% |
| IMR 4166 Enduron | <<locked>> | 82% | 50,125 psi | 85% | 2746 fps | 97.7% |
| IMR 4350 | <<locked>> | 94% | 52,417 psi | 89% | 2831 fps | 97.7% |
| IMR 4451 Enduron | <<locked>> | 88% | 50,415 psi | 86% | 2776 fps | 97.7% |
| IMR 4831 | <<locked>> | 94% | 50,807 psi | 86% | 2838 fps | 99.7% |
| IMR 4895 | <<locked>> | 82% | 49,806 psi | 85% | 2805 fps | 99.9% |
| Lovex S060 | <<locked>> | 82% | 52,446 psi | 89% | 2762 fps | 100% |
| Lovex S062 | <<locked>> | 84% | 50,589 psi | 86% | 2766 fps | 100% |
| Lovex S065 | <<locked>> | 90% | 50,096 psi | 85% | 2772 fps | 98.8% |
| Lovex S070 | <<locked>> | 92% | 50,995 psi | 87% | 2808 fps | 98.1% |
| Lovex S071ᴾ | <<locked>> | 100% | 39,653 psi | 68% | 2628 fps | 96.2% |
| Norma 201 | <<locked>> | 82% | 52,156 psi | 89% | 2782 fps | 100% |
| Norma 202 | <<locked>> | 82% | 52,591 psi | 90% | 2779 fps | 100% |
| Norma 203B | <<locked>> | 84% | 51,140 psi | 87% | 2818 fps | 100% |
| Norma 204 | <<locked>> | 94% | 52,910 psi | 90% | 2877 fps | 96.5% |
| Norma MRPᴾ | <<locked>> | 100% | 50,488 psi | 86% | 2940 fps | 97.9% |
| Norma URP | <<locked>> | 94% | 52,779 psi | 90% | 2887 fps | 99.7% |
| Ramshot Big Game | <<locked>> | 84% | 51,561 psi | 88% | 2841 fps | 100% |
| Ramshot Hunter | <<locked>> | 94% | 51,590 psi | 88% | 2884 fps | 98.8% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,564 psi | 62% | 1811 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 86% | 52,576 psi | 90% | 2818 fps | 98.6% |
| ReloadSwiss RS 52 | <<locked>> | 82% | 52,359 psi | 89% | 2894 fps | 99.9% |
| ReloadSwiss RS 60 | <<locked>> | 88% | 51,880 psi | 88% | 2930 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 92% | 49,995 psi | 85% | 2864 fps | 99.4% |
| ReloadSwiss RS 70 | <<locked>> | 94% | 52,562 psi | 89% | 2949 fps | 99.6% |
| Rottweil R 902 | <<locked>> | 84% | 52,649 psi | 90% | 2779 fps | 100% |
| Rottweil R 903 | <<locked>> | 88% | 51,909 psi | 88% | 2818 fps | 100% |
| Rottweil R 905ᴾ | <<locked>> | 100% | 53,098 psi | 90% | 2904 fps | 97% |
| Rottweil R 907 | <<locked>> | 90% | 51,895 psi | 88% | 2802 fps | 97.5% |
| Shooters World Long Rifle | <<locked>> | 90% | 50,096 psi | 85% | 2772 fps | 98.8% |
| Shooters World Precision | <<locked>> | 84% | 50,589 psi | 86% | 2766 fps | 100% |
| Shooters World SW4350 | <<locked>> | 92% | 50,995 psi | 87% | 2808 fps | 98.1% |
| SNPE Vectan SP 11 | <<locked>> | 86% | 50,227 psi | 86% | 2825 fps | 99.9% |
| SNPE Vectan SP 9 | <<locked>> | 82% | 51,750 psi | 88% | 2805 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 82% | 53,098 psi | 90% | 2717 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 86% | 50,517 psi | 86% | 2674 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 92% | 53,084 psi | 90% | 2776 fps | 98.2% |
| SNPE Vectan Tubal 8000ᴾ | <<locked>> | 100% | 52,605 psi | 90% | 2900 fps | 96.9% |
| Somchem S335 | <<locked>> | 82% | 52,837 psi | 90% | 2717 fps | 100% |
| Somchem S355 | <<locked>> | 88% | 52,272 psi | 89% | 2818 fps | 100% |
| Somchem S365 | <<locked>> | 96% | 51,430 psi | 88% | 2890 fps | 100% |
| Somchem S385 | <<locked>> | 98% | 50,430 psi | 86% | 2828 fps | 97.3% |
| Vihtavuori N135 | <<locked>> | 84% | 52,692 psi | 90% | 2746 fps | 100% |
| Vihtavuori N140 | <<locked>> | 84% | 53,040 psi | 90% | 2759 fps | 100% |
| Vihtavuori N150 | <<locked>> | 88% | 50,038 psi | 85% | 2743 fps | 100% |
| Vihtavuori N160 | <<locked>> | 92% | 51,488 psi | 88% | 2828 fps | 99.6% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 46,557 psi | 79% | 2746 fps | 95.9% |
| Vihtavuori N540 | <<locked>> | 84% | 51,271 psi | 87% | 2753 fps | 100% |
| Vihtavuori N550 | <<locked>> | 92% | 50,749 psi | 86% | 2835 fps | 99.5% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 50,096 psi | 85% | 2881 fps | 99.8% |
| Winchester 6.5 StaBALL | <<locked>> | 92% | 51,227 psi | 87% | 2802 fps | 100% |
| Winchester 760 | <<locked>> | 92% | 52,968 psi | 90% | 2897 fps | 98.3% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 40,524 psi | 69% | 2838 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 82% | 51,576 psi | 88% | 2812 fps | 100% |
| Winchester Supreme 780ᴾ | <<locked>> | 100% | 50,575 psi | 86% | 2818 fps | 96.1% |
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% | 46,934 psi | 80% | 2664 fps | 100% |
| Accurate 2700 | <<locked>> | 82% | 43,569 psi | 74% | 2605 fps | 95.3% |
| Accurate 3100 | <<locked>> | 92% | 36,332 psi | 62% | 2556 fps | 95.1% |
| Accurate 4064 | <<locked>> | 80% | 44,411 psi | 76% | 2664 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 33,170 psi | 56% | 2497 fps | 95.8% |
| ADI AR 2208 | <<locked>> | 80% | 42,540 psi | 72% | 2631 fps | 98.9% |
| ADI AR 2209 | <<locked>> | 96% | 48,573 psi | 83% | 2822 fps | 95.6% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 46,180 psi | 79% | 2831 fps | 99.5% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 46,180 psi | 79% | 2831 fps | 99.5% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 42,627 psi | 73% | 2657 fps | 99.7% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 42,627 psi | 73% | 2657 fps | 99.7% |
| Alliant Reloder-15 | <<locked>> | 80% | 45,455 psi | 77% | 2720 fps | 99.4% |
| Alliant Reloder-15 | <<locked>> | 80% | 45,455 psi | 77% | 2720 fps | 99.4% |
| Alliant Reloder-16 | 45.4 gr | 80% | 33,011 psi | 56% | 2510 fps | 95.9% |
| Alliant Reloder-16 | 45.4 gr | 80% | 33,011 psi | 56% | 2510 fps | 95.9% |
| Alliant Reloder-17 | <<locked>> | 80% | 37,014 psi | 63% | 2638 fps | 98.8% |
| Alliant Reloder-17 | <<locked>> | 80% | 37,014 psi | 63% | 2638 fps | 98.8% |
| Alliant Reloder-19 | <<locked>> | 96% | 47,790 psi | 81% | 2812 fps | 95.6% |
| Alliant Reloder-19 | <<locked>> | 96% | 47,790 psi | 81% | 2812 fps | 95.6% |
| Alliant Reloder-23 | <<locked>> | 86% | 28,921 psi | 49% | 2421 fps | 95.7% |
| Alliant Reloder-23 | <<locked>> | 86% | 28,921 psi | 49% | 2421 fps | 95.7% |
| Alliant Reloder-25 | <<locked>> | 98% | 37,086 psi | 63% | 2648 fps | 95.8% |
| Alliant Reloder-25 | <<locked>> | 98% | 37,086 psi | 63% | 2648 fps | 95.8% |
| Alliant Reloder-26 | <<locked>> | 88% | 33,243 psi | 57% | 2598 fps | 95.1% |
| Alliant Reloder-26 | <<locked>> | 88% | 33,243 psi | 57% | 2598 fps | 95.1% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 49,559 psi | 84% | 2792 fps | 99.6% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 49,559 psi | 84% | 2792 fps | 99.6% |
| Bofors RP3 | <<locked>> | 80% | 42,496 psi | 72% | 2661 fps | 99.8% |
| Bofors RP3 | <<locked>> | 80% | 42,496 psi | 72% | 2661 fps | 99.8% |
| Bofors RP7 | <<locked>> | 84% | 43,091 psi | 73% | 2638 fps | 95.4% |
| Bofors RP7 | <<locked>> | 84% | 43,091 psi | 73% | 2638 fps | 95.4% |
| Hodgdon H380 | <<locked>> | 80% | 43,018 psi | 73% | 2664 fps | 98.2% |
| Hodgdon H380 | <<locked>> | 80% | 43,018 psi | 73% | 2664 fps | 98.2% |
| Hodgdon H414 | <<locked>> | 84% | 40,321 psi | 69% | 2661 fps | 95.3% |
| Hodgdon H414 | <<locked>> | 84% | 40,321 psi | 69% | 2661 fps | 95.3% |
| Hodgdon H4350 | <<locked>> | 86% | 46,731 psi | 80% | 2746 fps | 95.7% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 30,501 psi | 52% | 2411 fps | 96.7% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 46,789 psi | 80% | 2769 fps | 100% |
| Hodgdon Superformance | <<locked>> | 86% | 42,612 psi | 73% | 2736 fps | 95.5% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,847 psi | 46% | 1581 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 48,370 psi | 82% | 2743 fps | 99.9% |
| IMR 4064 | <<locked>> | 80% | 44,701 psi | 76% | 2667 fps | 99.3% |
| IMR 4166 Enduron | <<locked>> | 80% | 47,007 psi | 80% | 2690 fps | 97% |
| IMR 4350 | <<locked>> | 88% | 43,410 psi | 74% | 2667 fps | 95.6% |
| IMR 4451 Enduron | <<locked>> | 82% | 41,800 psi | 71% | 2615 fps | 95.6% |
| IMR 4831 | <<locked>> | 80% | 32,111 psi | 55% | 2457 fps | 95.5% |
| IMR 4895 | <<locked>> | 80% | 46,630 psi | 79% | 2749 fps | 99.8% |
| Lovex S060 | <<locked>> | 80% | 49,429 psi | 84% | 2713 fps | 99.9% |
| Lovex S062 | <<locked>> | 80% | 44,817 psi | 76% | 2667 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 36,811 psi | 63% | 2510 fps | 95.6% |
| Lovex S070 | <<locked>> | 84% | 39,711 psi | 68% | 2592 fps | 95.3% |
| Lovex S071 | <<locked>> | 98% | 37,202 psi | 63% | 2575 fps | 95.4% |
| Norma 201 | <<locked>> | 80% | 48,863 psi | 83% | 2726 fps | 100% |
| Norma 202 | <<locked>> | 80% | 49,472 psi | 84% | 2730 fps | 100% |
| Norma 203B | <<locked>> | 80% | 44,846 psi | 76% | 2707 fps | 99.6% |
| Norma 204 | <<locked>> | 92% | 49,429 psi | 84% | 2815 fps | 95.7% |
| Norma MRP | <<locked>> | 94% | 41,220 psi | 70% | 2756 fps | 95.3% |
| Norma URP | <<locked>> | 80% | 33,301 psi | 57% | 2500 fps | 95.7% |
| Ramshot Big Game | <<locked>> | 80% | 44,947 psi | 77% | 2726 fps | 99.5% |
| Ramshot Hunter | 50.6 gr | 84% | 37,086 psi | 63% | 2595 fps | 95.1% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,267 psi | 46% | 1617 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 43,308 psi | 74% | 2651 fps | 96.8% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 48,863 psi | 83% | 2838 fps | 99.7% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 39,349 psi | 67% | 2700 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 32,938 psi | 56% | 2516 fps | 95.3% |
| ReloadSwiss RS 70 | 50.9 gr | 82% | 34,795 psi | 59% | 2575 fps | 95.3% |
| Rottweil R 902 | <<locked>> | 80% | 46,688 psi | 79% | 2684 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 40,030 psi | 68% | 2608 fps | 99.3% |
| Rottweil R 905 | <<locked>> | 96% | 46,514 psi | 79% | 2789 fps | 95.5% |
| Rottweil R 907 | <<locked>> | 84% | 43,091 psi | 73% | 2638 fps | 95.4% |
| Shooters World Long Rifle | <<locked>> | 80% | 36,811 psi | 63% | 2510 fps | 95.6% |
| Shooters World Precision | <<locked>> | 80% | 44,817 psi | 76% | 2667 fps | 100% |
| Shooters World SW4350 | <<locked>> | 84% | 39,711 psi | 68% | 2592 fps | 95.3% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 41,162 psi | 70% | 2661 fps | 99.1% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 48,544 psi | 83% | 2753 fps | 99.9% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 49,922 psi | 85% | 2671 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 41,930 psi | 71% | 2536 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 84% | 41,133 psi | 70% | 2562 fps | 95.6% |
| SNPE Vectan Tubal 8000 | <<locked>> | 96% | 46,064 psi | 78% | 2785 fps | 95.3% |
| Somchem S335 | <<locked>> | 80% | 49,574 psi | 84% | 2667 fps | 100% |
| Somchem S355 | <<locked>> | 80% | 40,611 psi | 69% | 2612 fps | 99.3% |
| Somchem S365 | <<locked>> | 80% | 29,965 psi | 51% | 2454 fps | 98% |
| Somchem S385 | <<locked>> | 94% | 44,353 psi | 76% | 2717 fps | 95.8% |
| Vihtavuori N135 | <<locked>> | 80% | 46,485 psi | 79% | 2654 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 46,789 psi | 80% | 2664 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 38,667 psi | 66% | 2543 fps | 99.7% |
| Vihtavuori N160 | <<locked>> | 80% | 34,664 psi | 59% | 2500 fps | 96.2% |
| Vihtavuori N165 | <<locked>> | 98% | 43,482 psi | 74% | 2687 fps | 95% |
| Vihtavuori N540 | <<locked>> | 80% | 45,063 psi | 77% | 2654 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 34,171 psi | 58% | 2500 fps | 95.8% |
| Vihtavuori N555 | <<locked>> | 86% | 31,502 psi | 54% | 2497 fps | 95.9% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 34,229 psi | 58% | 2477 fps | 98.3% |
| Winchester 760 | <<locked>> | 84% | 40,567 psi | 69% | 2664 fps | 95.4% |
| Winchester StaBALL HD | <<locked>> | 88% | 27,383 psi | 47% | 2448 fps | 95.3% |
| Winchester StaBALL Match | <<locked>> | 80% | 48,312 psi | 82% | 2759 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 98% | 47,108 psi | 80% | 2759 fps | 95.2% |
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 115 powders for .280 Rem. loaded with the .284 | 145gr | Brenneke Teilmantel. Alliant Reloder-26 delivers the highest muzzle velocity at 2,992 fps; across all powders the maximum-charge window runs from 1,768 fps to 2,992 fps. Accurate 3100 gives the best case fill at 100 %, and 115 of the 115 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 145.0 gr projectile in 0.284" calls for a 1:13.0 twist; slower twists will usually not stabilise this weight. Accurate 3100, ADI AR 2213, ADI AR 2213 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. Alliant Reloder-16, ReloadSwiss RS 70, Ramshot Hunter rank at the top here: for .280 Rem. with the .284 | 145gr | Brenneke Teilmantel they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, ADI AR 2213, ADI AR 2213, Bofors RP15 burn incompletely and react more sensitively to barrel length and temperature. Always begin at the start load and work up in small increments while checking case and primer for pressure signs.