Load Specifications
Load data in caliber 7 mm Blaser Mag. with .284 | 140gr | Barnes Solid bullet and 76 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>> | 96% | 51,503 psi | 85% | 3012 fps | 99.7% |
| Accurate 4350 | <<locked>> | 88% | 53,243 psi | 87% | 3061 fps | 100% |
| Accurate MAGPRO | <<locked>> | 96% | 53,388 psi | 88% | 3153 fps | 96.4% |
| ADI AR 2208 | <<locked>> | 82% | 51,909 psi | 85% | 2972 fps | 100% |
| ADI AR 2209 | <<locked>> | 94% | 53,969 psi | 89% | 3107 fps | 98.5% |
| ADI AR 2213 | <<locked>> | 96% | 51,735 psi | 85% | 3097 fps | 97% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 38,290 psi | 63% | 2858 fps | 96.7% |
| Alliant Power Pro Varmint | <<locked>> | 94% | 54,288 psi | 89% | 3104 fps | 98.6% |
| Alliant Reloder- TS 15.5 | <<locked>> | 82% | 52,939 psi | 87% | 3002 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 90% | 53,867 psi | 88% | 3120 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 86% | 55,114 psi | 90% | 3140 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 94% | 53,592 psi | 88% | 3094 fps | 98.5% |
| Alliant Reloder-22 | <<locked>> | 98% | 54,679 psi | 90% | 3156 fps | 98.8% |
| Alliant Reloder-23 | <<locked>> | 98% | 52,011 psi | 85% | 3084 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 48,051 psi | 79% | 3071 fps | 99.9% |
| Alliant Reloder-26 | <<locked>> | 94% | 51,779 psi | 85% | 3166 fps | 100% |
| Bofors RP15ᴾ | <<locked>> | 100% | 53,592 psi | 88% | 3136 fps | 98.5% |
| Bofors RP3 | <<locked>> | 82% | 53,809 psi | 88% | 3018 fps | 100% |
| Bofors RP5 | <<locked>> | 98% | 54,679 psi | 90% | 3156 fps | 98.8% |
| Bofors RP7 | <<locked>> | 86% | 53,011 psi | 87% | 3002 fps | 99% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 47,645 psi | 78% | 3009 fps | 96.9% |
| Hodgdon H380 | <<locked>> | 82% | 53,940 psi | 89% | 3035 fps | 100% |
| Hodgdon H414 | <<locked>> | 86% | 51,561 psi | 85% | 3051 fps | 99.2% |
| Hodgdon H4350 | <<locked>> | 86% | 54,592 psi | 90% | 3068 fps | 98.8% |
| Hodgdon H4831 | <<locked>> | 94% | 51,793 psi | 85% | 3038 fps | 96.4% |
| Hodgdon H4831 SC | <<locked>> | 96% | 54,288 psi | 89% | 3081 fps | 96.9% |
| Hodgdon Hybrid 100V | <<locked>> | 92% | 54,418 psi | 89% | 3038 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 47,108 psi | 77% | 3117 fps | 98.3% |
| Hodgdon Superformance | <<locked>> | 86% | 51,445 psi | 84% | 3084 fps | 99.1% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,666 psi | 60% | 1926 fps | 100% |
| IMR 4064 | <<locked>> | 82% | 54,621 psi | 90% | 3009 fps | 100% |
| IMR 4350 | <<locked>> | 90% | 54,215 psi | 89% | 3041 fps | 99.2% |
| IMR 4451 Enduron | <<locked>> | 86% | 54,505 psi | 89% | 3031 fps | 99.4% |
| IMR 4831 | <<locked>> | 90% | 53,737 psi | 88% | 3051 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 94% | 53,359 psi | 88% | 3028 fps | 96.9% |
| IMR 7828 SSC | <<locked>> | 98% | 52,997 psi | 87% | 3133 fps | 97.4% |
| Lovex S065 | <<locked>> | 88% | 54,882 psi | 90% | 3031 fps | 99.9% |
| Lovex S070 | <<locked>> | 88% | 53,011 psi | 87% | 3022 fps | 99.4% |
| Lovex S071ᴾ | <<locked>> | 100% | 49,052 psi | 81% | 2969 fps | 99.5% |
| Norma 204 | <<locked>> | 90% | 54,940 psi | 90% | 3094 fps | 98.5% |
| Norma MRP | <<locked>> | 96% | 54,433 psi | 89% | 3186 fps | 99.6% |
| Norma URP | <<locked>> | 88% | 51,953 psi | 85% | 3041 fps | 100% |
| Ramshot Grand | <<locked>> | 98% | 53,432 psi | 88% | 3153 fps | 97.9% |
| Ramshot Hunter | <<locked>> | 90% | 54,143 psi | 89% | 3097 fps | 99.8% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 51,503 psi | 85% | 3084 fps | 98.9% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,275 psi | 61% | 1972 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 82% | 53,867 psi | 88% | 3018 fps | 99.7% |
| ReloadSwiss RS 60 | <<locked>> | 84% | 54,418 psi | 89% | 3127 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 88% | 53,040 psi | 87% | 3081 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 88% | 51,401 psi | 84% | 3107 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 47,224 psi | 78% | 3110 fps | 99.1% |
| Rottweil R 903 | <<locked>> | 84% | 53,925 psi | 89% | 3015 fps | 100% |
| Rottweil R 904 | <<locked>> | 92% | 52,272 psi | 86% | 3018 fps | 97.2% |
| Rottweil R 905 | <<locked>> | 94% | 52,924 psi | 87% | 3081 fps | 98.5% |
| Rottweil R 907 | <<locked>> | 86% | 53,011 psi | 87% | 3002 fps | 99% |
| Shooters World Long Rifle | <<locked>> | 88% | 54,882 psi | 90% | 3031 fps | 99.9% |
| Shooters World SW4350 | <<locked>> | 88% | 53,011 psi | 87% | 3022 fps | 99.4% |
| SNPE Vectan SP 11 | <<locked>> | 82% | 51,837 psi | 85% | 3018 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 84% | 54,404 psi | 89% | 2887 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 88% | 54,433 psi | 89% | 2979 fps | 99.5% |
| SNPE Vectan Tubal 8000 | <<locked>> | 94% | 52,475 psi | 86% | 3077 fps | 98.4% |
| Somchem S355 | <<locked>> | 84% | 53,896 psi | 88% | 3012 fps | 100% |
| Somchem S361 | <<locked>> | 92% | 53,766 psi | 88% | 3005 fps | 96.7% |
| Somchem S365 | <<locked>> | 92% | 55,100 psi | 90% | 3097 fps | 100% |
| Somchem S385 | <<locked>> | 94% | 53,548 psi | 88% | 3054 fps | 99.1% |
| Vihtavuori N150 | <<locked>> | 86% | 55,056 psi | 90% | 2979 fps | 100% |
| Vihtavuori N160 | <<locked>> | 88% | 53,896 psi | 88% | 3038 fps | 100% |
| Vihtavuori N165 | <<locked>> | 98% | 52,881 psi | 87% | 3028 fps | 98.8% |
| Vihtavuori N550 | <<locked>> | 88% | 53,011 psi | 87% | 3041 fps | 100% |
| Vihtavuori N555 | <<locked>> | 96% | 54,491 psi | 89% | 3114 fps | 100% |
| Vihtavuori N560 | <<locked>> | 96% | 54,549 psi | 90% | 3173 fps | 97.3% |
| Vihtavuori N565ᴾ | <<locked>> | 100% | 50,270 psi | 83% | 3077 fps | 96.7% |
| Winchester 6.5 StaBALL | <<locked>> | 88% | 53,403 psi | 88% | 2995 fps | 100% |
| Winchester 760 | <<locked>> | 86% | 51,764 psi | 85% | 3054 fps | 99.3% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 51,750 psi | 85% | 3215 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 96% | 53,403 psi | 88% | 3045 fps | 98.4% |
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% | 31,850 psi | 52% | 2595 fps | 95.2% |
| Accurate 4350 | <<locked>> | 80% | 40,292 psi | 66% | 2818 fps | 99.2% |
| Accurate MAGPRO | <<locked>> | 94% | 49,705 psi | 82% | 3087 fps | 95.5% |
| ADI AR 2208 | <<locked>> | 80% | 48,892 psi | 80% | 2923 fps | 100% |
| ADI AR 2209 | <<locked>> | 86% | 41,437 psi | 68% | 2858 fps | 95.6% |
| ADI AR 2213 | <<locked>> | 92% | 45,295 psi | 74% | 2969 fps | 95.3% |
| ADI AR 2225 | <<locked>> | 98% | 35,955 psi | 59% | 2795 fps | 95.6% |
| Alliant Power Pro Varmint | <<locked>> | 86% | 41,858 psi | 69% | 2861 fps | 95.8% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 49,647 psi | 82% | 2946 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 80% | 38,986 psi | 64% | 2831 fps | 99.2% |
| Alliant Reloder-17 | <<locked>> | 80% | 44,585 psi | 73% | 2959 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 86% | 41,408 psi | 68% | 2854 fps | 95.7% |
| Alliant Reloder-22 | <<locked>> | 88% | 39,030 psi | 64% | 2844 fps | 95% |
| Alliant Reloder-23 | <<locked>> | 80% | 28,732 psi | 47% | 2569 fps | 97.6% |
| Alliant Reloder-25 | <<locked>> | 86% | 30,574 psi | 50% | 2638 fps | 95% |
| Alliant Reloder-26 | 60.5 gr | 80% | 30,966 psi | 51% | 2694 fps | 96.2% |
| Bofors RP15 | <<locked>> | 92% | 41,365 psi | 68% | 2897 fps | 95.7% |
| Bofors RP3 | <<locked>> | 80% | 50,183 psi | 82% | 2959 fps | 100% |
| Bofors RP5 | <<locked>> | 88% | 39,030 psi | 64% | 2844 fps | 95% |
| Bofors RP7 | <<locked>> | 80% | 43,947 psi | 72% | 2831 fps | 97.4% |
| Hodgdon H1000 | <<locked>> | 98% | 44,527 psi | 73% | 2943 fps | 96% |
| Hodgdon H380 | <<locked>> | 80% | 50,589 psi | 83% | 2976 fps | 99.9% |
| Hodgdon H414 | <<locked>> | 80% | 42,177 psi | 69% | 2867 fps | 97.6% |
| Hodgdon H4350 | <<locked>> | 80% | 44,875 psi | 74% | 2887 fps | 97% |
| Hodgdon H4831 | <<locked>> | 92% | 48,457 psi | 80% | 2976 fps | 95.5% |
| Hodgdon H4831 SC | <<locked>> | 92% | 47,543 psi | 78% | 2959 fps | 95.3% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 36,579 psi | 60% | 2713 fps | 99.6% |
| Hodgdon Retumbo | <<locked>> | 94% | 38,609 psi | 63% | 2910 fps | 95.3% |
| Hodgdon Superformance | <<locked>> | 80% | 41,147 psi | 68% | 2881 fps | 97% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,311 psi | 45% | 1722 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 51,445 psi | 84% | 2956 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 39,450 psi | 65% | 2753 fps | 96.2% |
| IMR 4451 Enduron | <<locked>> | 80% | 45,382 psi | 75% | 2864 fps | 98.1% |
| IMR 4831 | <<locked>> | 80% | 38,711 psi | 64% | 2769 fps | 98.9% |
| IMR 4955 Enduron | <<locked>> | 90% | 47,079 psi | 77% | 2913 fps | 95.4% |
| IMR 7828 SSC | <<locked>> | 94% | 46,354 psi | 76% | 3005 fps | 95.8% |
| Lovex S065 | <<locked>> | 80% | 42,859 psi | 70% | 2808 fps | 98.7% |
| Lovex S070 | <<locked>> | 80% | 41,089 psi | 67% | 2789 fps | 97.4% |
| Lovex S071 | <<locked>> | 88% | 33,272 psi | 55% | 2631 fps | 95.8% |
| Norma 204 | <<locked>> | 82% | 41,858 psi | 69% | 2844 fps | 95.6% |
| Norma MRP | 61.6 gr | 84% | 35,694 psi | 59% | 2792 fps | 95.3% |
| Norma URP | <<locked>> | 80% | 39,871 psi | 65% | 2812 fps | 99% |
| Ramshot Grand | <<locked>> | 92% | 43,004 psi | 71% | 2943 fps | 95.1% |
| Ramshot Hunter | <<locked>> | 80% | 38,841 psi | 64% | 2799 fps | 97.5% |
| Ramshot Magnum | <<locked>> | 92% | 38,435 psi | 63% | 2818 fps | 95.7% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,905 psi | 46% | 1765 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 50,386 psi | 83% | 2959 fps | 99.4% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 47,311 psi | 78% | 3012 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 40,147 psi | 66% | 2835 fps | 98.9% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 38,754 psi | 64% | 2848 fps | 98.5% |
| ReloadSwiss RS 76 | <<locked>> | 92% | 35,621 psi | 58% | 2818 fps | 95.2% |
| Rottweil R 903 | <<locked>> | 80% | 47,311 psi | 78% | 2904 fps | 100% |
| Rottweil R 904 | <<locked>> | 88% | 45,905 psi | 75% | 2897 fps | 95.7% |
| Rottweil R 905 | <<locked>> | 86% | 40,480 psi | 66% | 2835 fps | 95.6% |
| Rottweil R 907 | <<locked>> | 80% | 43,947 psi | 72% | 2831 fps | 97.4% |
| Shooters World Long Rifle | <<locked>> | 80% | 42,859 psi | 70% | 2808 fps | 98.7% |
| Shooters World SW4350 | <<locked>> | 80% | 41,089 psi | 67% | 2789 fps | 97.4% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 48,631 psi | 80% | 2963 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 48,211 psi | 79% | 2795 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 42,047 psi | 69% | 2753 fps | 97.6% |
| SNPE Vectan Tubal 8000 | <<locked>> | 86% | 40,103 psi | 66% | 2828 fps | 95.4% |
| Somchem S355 | <<locked>> | 80% | 47,413 psi | 78% | 2904 fps | 100% |
| Somchem S361 | <<locked>> | 88% | 47,050 psi | 77% | 2887 fps | 95.1% |
| Somchem S365 | <<locked>> | 80% | 36,419 psi | 60% | 2762 fps | 100% |
| Somchem S385 | <<locked>> | 82% | 36,071 psi | 59% | 2700 fps | 95% |
| Vihtavuori N150 | <<locked>> | 80% | 45,324 psi | 74% | 2825 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 41,249 psi | 68% | 2805 fps | 99.2% |
| Vihtavuori N165 | <<locked>> | 88% | 37,985 psi | 62% | 2736 fps | 95.3% |
| Vihtavuori N550 | <<locked>> | 80% | 40,857 psi | 67% | 2812 fps | 99% |
| Vihtavuori N555 | <<locked>> | 80% | 31,937 psi | 52% | 2651 fps | 97.6% |
| Vihtavuori N560 | 67.5 gr | 92% | 47,558 psi | 78% | 3045 fps | 95.7% |
| Vihtavuori N565 | <<locked>> | 98% | 47,007 psi | 77% | 3015 fps | 95.8% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 40,350 psi | 66% | 2772 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 42,380 psi | 70% | 2874 fps | 97.6% |
| Winchester StaBALL HD | <<locked>> | 80% | 25,483 psi | 42% | 2549 fps | 96.8% |
| Winchester Supreme 780 | <<locked>> | 88% | 40,480 psi | 66% | 2799 fps | 95.4% |
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 76 powders for 7 mm Blaser Mag. loaded with the .284 | 140gr | Barnes Solid. Winchester StaBALL HD delivers the highest muzzle velocity at 3,215 fps; across all powders the maximum-charge window runs from 1,926 fps to 3,215 fps. ADI AR 2225 gives the best case fill at 100 %, and 76 of the 76 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 140.0 gr projectile in 0.284" calls for a 1:9.5 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 | 140gr | Barnes Solid 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.