
Load Specifications
Load data in caliber .28 Nosler with .284 | 145gr | Speer Hot-Cor bullet and 70 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Hodgdon Retumbo, ReloadSwiss RS 76 and Vihtavuori N560.
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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Max Load - Barrel Length: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 92% | 57,203 psi | 88% | 3045 fps | 100% |
| Accurate 4350 | <<locked>> | 84% | 57,928 psi | 89% | 3077 fps | 100% |
| Accurate MAGPRO | <<locked>> | 90% | 55,782 psi | 86% | 3140 fps | 98% |
| ADI AR 2209 | <<locked>> | 88% | 54,926 psi | 85% | 3074 fps | 99.4% |
| ADI AR 2213 | <<locked>> | 92% | 56,768 psi | 87% | 3146 fps | 99% |
| ADI AR 2217ᴾ | <<locked>> | 100% | 54,781 psi | 84% | 3104 fps | 99% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 49,356 psi | 76% | 3061 fps | 99.9% |
| Alliant Reloder-16 | <<locked>> | 84% | 55,216 psi | 85% | 3077 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 90% | 58,218 psi | 90% | 3127 fps | 99.7% |
| Alliant Reloder-22 | <<locked>> | 92% | 57,072 psi | 88% | 3140 fps | 99.6% |
| Alliant Reloder-23 | <<locked>> | 94% | 58,450 psi | 90% | 3107 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 98% | 58,218 psi | 90% | 3173 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 88% | 55,187 psi | 85% | 3136 fps | 100% |
| Baschieri & Pellagri 109 | <<locked>> | 94% | 57,841 psi | 89% | 3100 fps | 96.9% |
| Bofors RP15 | <<locked>> | 94% | 56,202 psi | 86% | 3123 fps | 99.5% |
| Bofors RP30ᴾ | <<locked>> | 100% | 58,189 psi | 90% | 3182 fps | 99.5% |
| Bofors RP5 | <<locked>> | 92% | 57,072 psi | 88% | 3140 fps | 99.6% |
| Bofors RP7 | <<locked>> | 82% | 55,883 psi | 86% | 3018 fps | 99.8% |
| Hodgdon H1000 | <<locked>> | 98% | 56,594 psi | 87% | 3136 fps | 99.6% |
| Hodgdon H414 | <<locked>> | 82% | 55,579 psi | 86% | 3071 fps | 99.9% |
| Hodgdon H4350 | <<locked>> | 82% | 57,957 psi | 89% | 3087 fps | 99.7% |
| Hodgdon H4831 | <<locked>> | 90% | 56,333 psi | 87% | 3077 fps | 98.4% |
| Hodgdon H4831 SC | <<locked>> | 90% | 55,230 psi | 85% | 3058 fps | 98.2% |
| Hodgdon Hybrid 100V | <<locked>> | 86% | 55,332 psi | 85% | 2995 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 98% | 57,116 psi | 88% | 3255 fps | 100% |
| Hodgdon Superformance | <<locked>> | 82% | 56,333 psi | 87% | 3110 fps | 99.9% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 37,318 psi | 57% | 1959 fps | 100% |
| IMR 4350 | <<locked>> | 86% | 57,827 psi | 89% | 3061 fps | 99.9% |
| IMR 4451 Enduron | <<locked>> | 82% | 57,116 psi | 88% | 3041 fps | 100% |
| IMR 4831 | <<locked>> | 86% | 58,175 psi | 89% | 3068 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 90% | 57,058 psi | 88% | 3058 fps | 98.6% |
| IMR 7828 SSC | <<locked>> | 92% | 54,839 psi | 84% | 3120 fps | 98.7% |
| IMR 8133 Enduronᴾ | <<locked>> | 100% | 44,831 psi | 69% | 2956 fps | 97% |
| Lovex S065 | <<locked>> | 84% | 58,146 psi | 89% | 3038 fps | 100% |
| Lovex S070 | <<locked>> | 84% | 56,333 psi | 87% | 3035 fps | 100% |
| Lovex S071 | <<locked>> | 98% | 58,363 psi | 90% | 3064 fps | 100% |
| Norma 204 | <<locked>> | 84% | 55,317 psi | 85% | 3058 fps | 99.3% |
| Norma 217ᴾ | <<locked>> | 100% | 45,368 psi | 70% | 2986 fps | 99% |
| Norma MRP | <<locked>> | 90% | 57,203 psi | 88% | 3163 fps | 100% |
| Norma URP | <<locked>> | 84% | 56,057 psi | 86% | 3051 fps | 100% |
| Ramshot Grand | <<locked>> | 92% | 55,666 psi | 86% | 3143 fps | 99.1% |
| Ramshot Hunter | <<locked>> | 86% | 58,798 psi | 90% | 3117 fps | 100% |
| Ramshot Magnum | <<locked>> | 96% | 58,639 psi | 90% | 3140 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 38,305 psi | 59% | 2005 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 84% | 58,218 psi | 90% | 3100 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 84% | 56,623 psi | 87% | 3127 fps | 100% |
| ReloadSwiss RS 76 | <<locked>> | 98% | 58,320 psi | 90% | 3255 fps | 100% |
| ReloadSwiss RS 80ᴾ | <<locked>> | 100% | 57,551 psi | 89% | 3202 fps | 98.5% |
| Rottweil R 904 | <<locked>> | 88% | 55,956 psi | 86% | 3048 fps | 98.8% |
| Rottweil R 905 | <<locked>> | 90% | 57,827 psi | 89% | 3114 fps | 99.7% |
| Rottweil R 907 | <<locked>> | 82% | 55,883 psi | 86% | 3018 fps | 99.8% |
| Shooters World Long Rifle | <<locked>> | 84% | 58,146 psi | 89% | 3038 fps | 100% |
| Shooters World SW4350 | <<locked>> | 84% | 56,333 psi | 87% | 3035 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 84% | 57,305 psi | 88% | 2992 fps | 100% |
| SNPE Vectan Tubal 8000 | <<locked>> | 90% | 57,392 psi | 88% | 3110 fps | 99.7% |
| Somchem S361 | <<locked>> | 88% | 57,479 psi | 88% | 3035 fps | 98.5% |
| Somchem S365 | <<locked>> | 86% | 57,159 psi | 88% | 3061 fps | 100% |
| Somchem S385 | <<locked>> | 90% | 58,305 psi | 90% | 3084 fps | 99.9% |
| Vihtavuori N150 | <<locked>> | 82% | 58,175 psi | 89% | 2979 fps | 100% |
| Vihtavuori N160 | <<locked>> | 84% | 57,769 psi | 89% | 3048 fps | 100% |
| Vihtavuori N165 | <<locked>> | 94% | 58,001 psi | 89% | 3068 fps | 99.8% |
| Vihtavuori N550 | <<locked>> | 84% | 56,956 psi | 88% | 3051 fps | 100% |
| Vihtavuori N555 | <<locked>> | 90% | 56,884 psi | 88% | 3084 fps | 100% |
| Vihtavuori N560 | <<locked>> | 90% | 56,768 psi | 87% | 3156 fps | 98.6% |
| Vihtavuori N565 | <<locked>> | 96% | 57,116 psi | 88% | 3140 fps | 98.8% |
| Vihtavuori N568ᴾ | <<locked>> | 100% | 58,117 psi | 89% | 3202 fps | 98.1% |
| Winchester 6.5 StaBALL | <<locked>> | 84% | 57,276 psi | 88% | 2995 fps | 100% |
| Winchester 760 | <<locked>> | 82% | 55,782 psi | 86% | 3074 fps | 99.9% |
| Winchester StaBALL HD | <<locked>> | 94% | 57,667 psi | 89% | 3196 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 92% | 58,334 psi | 90% | 3081 fps | 99.7% |
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 3100 | <<locked>> | 80% | 38,130 psi | 59% | 2690 fps | 98.2% |
| Accurate 4350 | <<locked>> | 80% | 50,676 psi | 78% | 2959 fps | 100% |
| Accurate MAGPRO | <<locked>> | 84% | 45,107 psi | 69% | 2933 fps | 95.3% |
| ADI AR 2209 | <<locked>> | 80% | 42,032 psi | 65% | 2825 fps | 96.9% |
| ADI AR 2213 | <<locked>> | 84% | 43,163 psi | 66% | 2881 fps | 96% |
| ADI AR 2217 | <<locked>> | 92% | 41,713 psi | 64% | 2844 fps | 95.9% |
| ADI AR 2225 | <<locked>> | 88% | 33,069 psi | 51% | 2671 fps | 95.6% |
| Alliant Reloder-16 | <<locked>> | 80% | 48,283 psi | 74% | 2963 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 80% | 42,119 psi | 65% | 2818 fps | 97% |
| Alliant Reloder-22 | <<locked>> | 80% | 38,014 psi | 58% | 2759 fps | 95.7% |
| Alliant Reloder-23 | <<locked>> | 80% | 36,651 psi | 56% | 2713 fps | 99.9% |
| Alliant Reloder-25 | <<locked>> | 80% | 31,734 psi | 49% | 2621 fps | 96.8% |
| Alliant Reloder-26 | <<locked>> | 80% | 40,886 psi | 63% | 2874 fps | 99.7% |
| Baschieri & Pellagri 109 | <<locked>> | 90% | 51,111 psi | 79% | 2976 fps | 95.2% |
| Bofors RP15 | <<locked>> | 82% | 37,826 psi | 58% | 2749 fps | 95.4% |
| Bofors RP30 | <<locked>> | 88% | 38,479 psi | 59% | 2792 fps | 95% |
| Bofors RP5 | <<locked>> | 80% | 38,014 psi | 58% | 2759 fps | 95.7% |
| Bofors RP7 | <<locked>> | 80% | 52,388 psi | 81% | 2956 fps | 99.6% |
| Hodgdon H1000 | <<locked>> | 88% | 39,987 psi | 62% | 2805 fps | 95.9% |
| Hodgdon H414 | <<locked>> | 80% | 52,011 psi | 80% | 3009 fps | 99.7% |
| Hodgdon H4350 | <<locked>> | 80% | 54,346 psi | 84% | 3025 fps | 99.4% |
| Hodgdon H4831 | <<locked>> | 82% | 42,888 psi | 66% | 2822 fps | 95.2% |
| Hodgdon H4831 SC | <<locked>> | 82% | 42,206 psi | 65% | 2805 fps | 95% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 45,571 psi | 70% | 2835 fps | 100% |
| Hodgdon Retumbo | 70.5 gr | 84% | 35,476 psi | 55% | 2772 fps | 95.2% |
| Hodgdon Superformance | <<locked>> | 80% | 52,243 psi | 80% | 3041 fps | 99.7% |
| Hodgdon TrailBoss | <<locked>> | 80% | 28,007 psi | 43% | 1752 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 47,790 psi | 74% | 2884 fps | 99% |
| IMR 4451 Enduron | <<locked>> | 80% | 53,795 psi | 83% | 2982 fps | 99.8% |
| IMR 4831 | <<locked>> | 80% | 47,834 psi | 74% | 2897 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 80% | 41,553 psi | 64% | 2759 fps | 95% |
| IMR 7828 SSC | <<locked>> | 84% | 41,582 psi | 64% | 2854 fps | 95.5% |
| IMR 8133 Enduron | <<locked>> | 96% | 39,204 psi | 60% | 2828 fps | 95% |
| Lovex S065 | <<locked>> | 80% | 51,314 psi | 79% | 2930 fps | 100% |
| Lovex S070 | <<locked>> | 80% | 49,661 psi | 76% | 2920 fps | 99.6% |
| Lovex S071 | <<locked>> | 80% | 32,764 psi | 50% | 2559 fps | 96.5% |
| Norma 204 | <<locked>> | 80% | 48,167 psi | 74% | 2930 fps | 98.3% |
| Norma 217 | <<locked>> | 92% | 34,330 psi | 53% | 2726 fps | 95.5% |
| Norma MRP | <<locked>> | 80% | 40,074 psi | 62% | 2831 fps | 97.7% |
| Norma URP | <<locked>> | 80% | 49,197 psi | 76% | 2936 fps | 100% |
| Ramshot Grand | <<locked>> | 84% | 41,423 psi | 64% | 2864 fps | 95.9% |
| Ramshot Hunter | <<locked>> | 80% | 48,080 psi | 74% | 2936 fps | 99.7% |
| Ramshot Magnum | <<locked>> | 82% | 34,519 psi | 53% | 2667 fps | 95.3% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,631 psi | 44% | 1795 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 50,749 psi | 78% | 2979 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 48,863 psi | 75% | 2999 fps | 100% |
| ReloadSwiss RS 76 | 75.4 gr | 84% | 34,650 psi | 53% | 2746 fps | 96.2% |
| ReloadSwiss RS 80 | <<locked>> | 94% | 45,687 psi | 70% | 2982 fps | 95.7% |
| Rottweil R 904 | <<locked>> | 80% | 43,178 psi | 66% | 2802 fps | 96.2% |
| Rottweil R 905 | <<locked>> | 80% | 41,582 psi | 64% | 2805 fps | 97% |
| Rottweil R 907 | <<locked>> | 80% | 52,388 psi | 81% | 2956 fps | 99.6% |
| Shooters World Long Rifle | <<locked>> | 80% | 51,314 psi | 79% | 2930 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 49,661 psi | 76% | 2920 fps | 99.6% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 50,241 psi | 77% | 2877 fps | 99.6% |
| SNPE Vectan Tubal 8000 | <<locked>> | 80% | 41,249 psi | 63% | 2802 fps | 96.9% |
| Somchem S361 | <<locked>> | 80% | 44,034 psi | 68% | 2789 fps | 95.6% |
| Somchem S365 | <<locked>> | 80% | 46,615 psi | 72% | 2894 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 42,061 psi | 65% | 2789 fps | 97.9% |
| Vihtavuori N150 | <<locked>> | 80% | 54,476 psi | 84% | 2923 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 50,763 psi | 78% | 2936 fps | 100% |
| Vihtavuori N165 | <<locked>> | 80% | 36,593 psi | 56% | 2654 fps | 95.9% |
| Vihtavuori N550 | <<locked>> | 80% | 50,009 psi | 77% | 2936 fps | 100% |
| Vihtavuori N555 | <<locked>> | 80% | 41,089 psi | 63% | 2799 fps | 99.9% |
| Vihtavuori N560 | 71.4 gr | 82% | 42,888 psi | 66% | 2884 fps | 95.3% |
| Vihtavuori N565 | <<locked>> | 88% | 43,395 psi | 67% | 2877 fps | 95.8% |
| Vihtavuori N568 | <<locked>> | 94% | 46,905 psi | 72% | 2995 fps | 95.5% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 49,893 psi | 77% | 2887 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 52,228 psi | 80% | 3012 fps | 99.8% |
| Winchester StaBALL HD | <<locked>> | 80% | 33,388 psi | 51% | 2743 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 80% | 38,522 psi | 59% | 2707 fps | 95.9% |
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 70 powders for .28 Nosler loaded with the .284 | 145gr | Speer Hot-Cor. Hodgdon Retumbo delivers the highest muzzle velocity at 3,255 fps; across all powders the maximum-charge window runs from 1,959 fps to 3,255 fps. ADI AR 2217 gives the best case fill at 100 %, and 70 of the 70 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (448 MPa), the top charges use 57–90 %, 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. ADI AR 2217, ADI AR 2225, Bofors RP30 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. Hodgdon Retumbo, ReloadSwiss RS 76, Vihtavuori N560 rank at the top here: for .28 Nosler with the .284 | 145gr | Speer Hot-Cor 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.