Load Specifications
Load data in caliber 7 mm Blaser Mag. with .284 | 145gr | Fox Classic Hunter bullet and 78 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant Reloder-26, Norma MRP 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: 25.6"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 98% | 54,998 psi | 90% | 3025 fps | 100% |
| Accurate 4350 | <<locked>> | 88% | 53,040 psi | 87% | 3015 fps | 100% |
| Accurate MAGPRO | <<locked>> | 96% | 53,809 psi | 88% | 3120 fps | 96.9% |
| ADI AR 2208 | <<locked>> | 82% | 52,040 psi | 85% | 2933 fps | 100% |
| ADI AR 2209 | <<locked>> | 94% | 54,418 psi | 89% | 3071 fps | 98.8% |
| ADI AR 2213 | <<locked>> | 96% | 51,837 psi | 85% | 3061 fps | 97.4% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 38,116 psi | 63% | 2825 fps | 97.1% |
| Alliant Reloder- TS 15.5 | <<locked>> | 82% | 53,011 psi | 87% | 2959 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 90% | 54,317 psi | 89% | 3077 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 84% | 51,634 psi | 85% | 3038 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 94% | 53,751 psi | 88% | 3054 fps | 98.8% |
| Alliant Reloder-22 | <<locked>> | 96% | 51,300 psi | 84% | 3058 fps | 98.6% |
| Alliant Reloder-23 | <<locked>> | 98% | 52,141 psi | 86% | 3041 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 48,109 psi | 79% | 3031 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 94% | 52,286 psi | 86% | 3127 fps | 100% |
| Bofors RP15ᴾ | <<locked>> | 100% | 54,027 psi | 89% | 3104 fps | 98.9% |
| Bofors RP3 | <<locked>> | 82% | 53,548 psi | 88% | 2969 fps | 100% |
| Bofors RP30ᴾ | <<locked>> | 100% | 43,947 psi | 72% | 2946 fps | 96.3% |
| Bofors RP5 | <<locked>> | 96% | 51,300 psi | 84% | 3058 fps | 98.6% |
| Bofors RP7 | <<locked>> | 86% | 53,055 psi | 87% | 2966 fps | 99.2% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 47,674 psi | 78% | 2972 fps | 97.4% |
| Hodgdon H380 | <<locked>> | 82% | 54,056 psi | 89% | 2992 fps | 100% |
| Hodgdon H414 | <<locked>> | 86% | 51,750 psi | 85% | 3015 fps | 99.5% |
| Hodgdon H4350 | <<locked>> | 86% | 54,911 psi | 90% | 3031 fps | 99.1% |
| Hodgdon H4831 | <<locked>> | 94% | 52,185 psi | 86% | 3005 fps | 96.9% |
| Hodgdon H4831 SC | <<locked>> | 96% | 54,476 psi | 89% | 3045 fps | 97.3% |
| Hodgdon Hybrid 100V | <<locked>> | 92% | 54,476 psi | 89% | 2995 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 47,166 psi | 77% | 3081 fps | 98.6% |
| Hodgdon Superformance | <<locked>> | 86% | 51,851 psi | 85% | 3048 fps | 99.3% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,506 psi | 60% | 1893 fps | 100% |
| IMR 4064 | <<locked>> | 82% | 54,795 psi | 90% | 2966 fps | 100% |
| IMR 4350 | <<locked>> | 90% | 54,476 psi | 89% | 3005 fps | 99.4% |
| IMR 4451 Enduron | <<locked>> | 86% | 54,781 psi | 90% | 2992 fps | 99.6% |
| IMR 4831 | <<locked>> | 90% | 53,693 psi | 88% | 3009 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 94% | 53,708 psi | 88% | 2995 fps | 97.3% |
| IMR 7828 SSC | <<locked>> | 98% | 53,142 psi | 87% | 3097 fps | 97.8% |
| Lovex S062 | <<locked>> | 82% | 54,911 psi | 90% | 2956 fps | 100% |
| Lovex S065 | <<locked>> | 88% | 54,984 psi | 90% | 2989 fps | 100% |
| Lovex S070 | <<locked>> | 88% | 52,808 psi | 87% | 2976 fps | 99.6% |
| Lovex S071ᴾ | <<locked>> | 100% | 48,776 psi | 80% | 2923 fps | 99.6% |
| Norma 204 | <<locked>> | 88% | 51,517 psi | 85% | 2995 fps | 98.3% |
| Norma MRP | <<locked>> | 96% | 54,665 psi | 90% | 3143 fps | 99.7% |
| Norma URP | <<locked>> | 88% | 51,895 psi | 85% | 2999 fps | 100% |
| Ramshot Grand | <<locked>> | 98% | 53,664 psi | 88% | 3117 fps | 98.3% |
| Ramshot Hunter | <<locked>> | 90% | 54,491 psi | 89% | 3061 fps | 99.9% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 51,692 psi | 85% | 3045 fps | 99.2% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,289 psi | 61% | 1939 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 82% | 53,780 psi | 88% | 2976 fps | 99.8% |
| ReloadSwiss RS 60 | <<locked>> | 84% | 54,897 psi | 90% | 3084 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 88% | 53,272 psi | 87% | 3038 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 88% | 51,517 psi | 85% | 3068 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 47,514 psi | 78% | 3081 fps | 99.4% |
| Rottweil R 903 | <<locked>> | 84% | 53,925 psi | 89% | 2969 fps | 100% |
| Rottweil R 904 | <<locked>> | 92% | 52,286 psi | 86% | 2979 fps | 97.6% |
| Rottweil R 905 | <<locked>> | 94% | 52,997 psi | 87% | 3041 fps | 98.8% |
| Rottweil R 907 | <<locked>> | 86% | 53,055 psi | 87% | 2966 fps | 99.2% |
| Shooters World Long Rifle | <<locked>> | 88% | 54,984 psi | 90% | 2989 fps | 100% |
| Shooters World Precision | <<locked>> | 82% | 54,911 psi | 90% | 2956 fps | 100% |
| Shooters World SW4350 | <<locked>> | 88% | 52,808 psi | 87% | 2976 fps | 99.6% |
| SNPE Vectan SP 11 | <<locked>> | 82% | 52,054 psi | 85% | 2979 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 84% | 54,563 psi | 90% | 2848 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 88% | 54,273 psi | 89% | 2936 fps | 99.6% |
| SNPE Vectan Tubal 8000 | <<locked>> | 94% | 52,547 psi | 86% | 3035 fps | 98.7% |
| Somchem S355 | <<locked>> | 84% | 53,708 psi | 88% | 2966 fps | 100% |
| Somchem S361 | <<locked>> | 92% | 53,809 psi | 88% | 2969 fps | 97.1% |
| Somchem S365 | <<locked>> | 90% | 51,764 psi | 85% | 3002 fps | 100% |
| Somchem S385 | <<locked>> | 94% | 53,461 psi | 88% | 3012 fps | 99.3% |
| Vihtavuori N150 | <<locked>> | 86% | 54,926 psi | 90% | 2933 fps | 100% |
| Vihtavuori N160 | <<locked>> | 88% | 53,911 psi | 89% | 2992 fps | 100% |
| Vihtavuori N165 | <<locked>> | 98% | 52,982 psi | 87% | 2989 fps | 99.1% |
| Vihtavuori N550 | <<locked>> | 88% | 52,939 psi | 87% | 2999 fps | 100% |
| Vihtavuori N555 | <<locked>> | 96% | 54,447 psi | 89% | 3068 fps | 100% |
| Vihtavuori N560 | <<locked>> | 96% | 54,781 psi | 90% | 3136 fps | 97.7% |
| Vihtavuori N565ᴾ | <<locked>> | 100% | 50,285 psi | 83% | 3041 fps | 97.1% |
| Winchester 6.5 StaBALL | <<locked>> | 88% | 53,505 psi | 88% | 2953 fps | 100% |
| Winchester 760 | <<locked>> | 86% | 51,750 psi | 85% | 3015 fps | 99.5% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 52,228 psi | 86% | 3173 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 96% | 53,766 psi | 88% | 3009 fps | 98.7% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 25.6"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 82% | 31,430 psi | 52% | 2552 fps | 95.4% |
| Accurate 4350 | <<locked>> | 80% | 40,045 psi | 66% | 2772 fps | 99.3% |
| Accurate MAGPRO | <<locked>> | 92% | 46,499 psi | 76% | 2982 fps | 95.1% |
| ADI AR 2208 | <<locked>> | 80% | 49,023 psi | 80% | 2881 fps | 100% |
| ADI AR 2209 | <<locked>> | 84% | 38,812 psi | 64% | 2759 fps | 95.1% |
| ADI AR 2213 | <<locked>> | 92% | 45,295 psi | 74% | 2930 fps | 95.8% |
| ADI AR 2225 | <<locked>> | 98% | 35,708 psi | 59% | 2759 fps | 96.1% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 49,676 psi | 82% | 2904 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 80% | 38,798 psi | 64% | 2785 fps | 99.4% |
| Alliant Reloder-17 | <<locked>> | 80% | 44,498 psi | 73% | 2917 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 84% | 38,609 psi | 63% | 2753 fps | 95.2% |
| Alliant Reloder-22 | <<locked>> | 88% | 39,044 psi | 64% | 2808 fps | 95.5% |
| Alliant Reloder-23 | <<locked>> | 80% | 28,427 psi | 47% | 2530 fps | 97.8% |
| Alliant Reloder-25 | <<locked>> | 86% | 30,356 psi | 50% | 2602 fps | 95.4% |
| Alliant Reloder-26 | 60.3 gr | 80% | 30,560 psi | 50% | 2648 fps | 96.5% |
| Bofors RP15 | <<locked>> | 90% | 38,537 psi | 63% | 2792 fps | 95.1% |
| Bofors RP3 | <<locked>> | 80% | 50,082 psi | 82% | 2917 fps | 100% |
| Bofors RP30 | <<locked>> | 98% | 41,031 psi | 67% | 2884 fps | 95.4% |
| Bofors RP5 | <<locked>> | 88% | 39,044 psi | 64% | 2808 fps | 95.5% |
| Bofors RP7 | <<locked>> | 80% | 43,845 psi | 72% | 2792 fps | 97.7% |
| Hodgdon H1000 | <<locked>> | 96% | 41,524 psi | 68% | 2841 fps | 95.5% |
| Hodgdon H380 | <<locked>> | 80% | 50,372 psi | 83% | 2933 fps | 100% |
| Hodgdon H414 | <<locked>> | 80% | 42,206 psi | 69% | 2831 fps | 97.9% |
| Hodgdon H4350 | <<locked>> | 80% | 44,991 psi | 74% | 2851 fps | 97.4% |
| Hodgdon H4831 | <<locked>> | 90% | 45,310 psi | 74% | 2877 fps | 95.1% |
| Hodgdon H4831 SC | <<locked>> | 92% | 47,558 psi | 78% | 2920 fps | 95.8% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 36,463 psi | 60% | 2674 fps | 99.7% |
| Hodgdon Retumbo | <<locked>> | 94% | 38,638 psi | 63% | 2877 fps | 95.9% |
| Hodgdon Superformance | <<locked>> | 80% | 41,220 psi | 68% | 2844 fps | 97.4% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,296 psi | 45% | 1693 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 51,590 psi | 85% | 2917 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 39,421 psi | 65% | 2717 fps | 96.6% |
| IMR 4451 Enduron | <<locked>> | 80% | 45,237 psi | 74% | 2822 fps | 98.4% |
| IMR 4831 | <<locked>> | 80% | 38,377 psi | 63% | 2723 fps | 99.1% |
| IMR 4955 Enduron | <<locked>> | 88% | 44,295 psi | 73% | 2818 fps | 95% |
| IMR 7828 SSC | <<locked>> | 92% | 43,323 psi | 71% | 2904 fps | 95.3% |
| Lovex S062 | <<locked>> | 80% | 51,721 psi | 85% | 2907 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 42,685 psi | 70% | 2769 fps | 98.9% |
| Lovex S070 | <<locked>> | 80% | 40,915 psi | 67% | 2749 fps | 97.7% |
| Lovex S071 | <<locked>> | 86% | 30,647 psi | 50% | 2530 fps | 95.1% |
| Norma 204 | <<locked>> | 80% | 38,972 psi | 64% | 2743 fps | 95.1% |
| Norma MRP | 61.5 gr | 84% | 35,578 psi | 58% | 2753 fps | 95.8% |
| Norma URP | <<locked>> | 80% | 39,798 psi | 65% | 2769 fps | 99.2% |
| Ramshot Grand | <<locked>> | 92% | 43,149 psi | 71% | 2910 fps | 95.6% |
| Ramshot Hunter | <<locked>> | 80% | 38,624 psi | 63% | 2756 fps | 97.8% |
| Ramshot Magnum | <<locked>> | 90% | 35,491 psi | 58% | 2710 fps | 95% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,862 psi | 46% | 1736 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 50,444 psi | 83% | 2920 fps | 99.5% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 47,282 psi | 78% | 2966 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 40,045 psi | 66% | 2799 fps | 99.2% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 38,754 psi | 64% | 2812 fps | 98.8% |
| ReloadSwiss RS 76 | <<locked>> | 92% | 35,375 psi | 58% | 2782 fps | 95.7% |
| Rottweil R 903 | <<locked>> | 80% | 47,152 psi | 77% | 2861 fps | 100% |
| Rottweil R 904 | <<locked>> | 86% | 43,105 psi | 71% | 2802 fps | 95.3% |
| Rottweil R 905 | <<locked>> | 84% | 37,782 psi | 62% | 2736 fps | 95.1% |
| Rottweil R 907 | <<locked>> | 80% | 43,845 psi | 72% | 2792 fps | 97.7% |
| Shooters World Long Rifle | <<locked>> | 80% | 42,685 psi | 70% | 2769 fps | 98.9% |
| Shooters World Precision | <<locked>> | 80% | 51,721 psi | 85% | 2907 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 40,915 psi | 67% | 2749 fps | 97.7% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 48,530 psi | 80% | 2917 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 48,008 psi | 79% | 2753 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 41,698 psi | 68% | 2710 fps | 97.8% |
| SNPE Vectan Tubal 8000 | <<locked>> | 86% | 39,943 psi | 66% | 2789 fps | 95.8% |
| Somchem S355 | <<locked>> | 80% | 47,355 psi | 78% | 2858 fps | 100% |
| Somchem S361 | <<locked>> | 88% | 46,949 psi | 77% | 2848 fps | 95.5% |
| Somchem S365 | <<locked>> | 80% | 36,361 psi | 60% | 2723 fps | 100% |
| Somchem S385 | <<locked>> | 82% | 35,708 psi | 59% | 2657 fps | 95.3% |
| Vihtavuori N150 | <<locked>> | 80% | 45,252 psi | 74% | 2782 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 41,220 psi | 68% | 2769 fps | 99.4% |
| Vihtavuori N165 | <<locked>> | 88% | 37,797 psi | 62% | 2697 fps | 95.7% |
| Vihtavuori N550 | <<locked>> | 80% | 40,567 psi | 67% | 2769 fps | 99.2% |
| Vihtavuori N555 | <<locked>> | 80% | 31,618 psi | 52% | 2608 fps | 97.8% |
| Vihtavuori N560 | 65.9 gr | 90% | 44,527 psi | 73% | 2943 fps | 95.2% |
| Vihtavuori N565 | <<locked>> | 96% | 43,627 psi | 72% | 2910 fps | 95.3% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 40,422 psi | 66% | 2733 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 42,206 psi | 69% | 2831 fps | 97.9% |
| Winchester StaBALL HD | <<locked>> | 80% | 24,990 psi | 41% | 2503 fps | 97% |
| Winchester Supreme 780 | <<locked>> | 88% | 40,335 psi | 66% | 2759 fps | 95.8% |
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 78 powders for 7 mm Blaser Mag. loaded with the .284 | 145gr | Fox Classic Hunter. Winchester StaBALL HD delivers the highest muzzle velocity at 3,173 fps; across all powders the maximum-charge window runs from 1,893 fps to 3,173 fps. ADI AR 2225 gives the best case fill at 100 %, and 78 of the 78 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (420 MPa), the top charges use 60–90 %, leaving at least 10 % headroom. The 145.0 gr projectile in 0.284" calls for a 1:10.0 twist; slower twists will usually not stabilise this weight. ADI AR 2225, Alliant Reloder-25, Bofors RP15 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-26, Norma MRP, Vihtavuori N560 rank at the top here: for 7 mm Blaser Mag. with the .284 | 145gr | Fox Classic Hunter 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.