Load Specifications
Load data in caliber 7 mm Blaser Mag. with .284 | 160gr | Sierra Tipped MatchKing bullet and 70 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Winchester StaBALL HD, Vihtavuori N560 and Norma MRP.
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.
A valid access license is required to use the Personalized Load Calculator.
You can find more information in our FAQ: How can I use the Personalized Load Calculator?
Max Load - Barrel Length: 25.6"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 94% | 53,476 psi | 88% | 2867 fps | 100% |
| Accurate 4350 | <<locked>> | 84% | 51,532 psi | 85% | 2851 fps | 100% |
| Accurate MAGPRO | <<locked>> | 92% | 52,054 psi | 85% | 2959 fps | 97.6% |
| ADI AR 2209 | <<locked>> | 90% | 52,199 psi | 86% | 2900 fps | 99.2% |
| ADI AR 2213 | <<locked>> | 94% | 53,316 psi | 88% | 2959 fps | 98.7% |
| ADI AR 2217ᴾ | <<locked>> | 100% | 47,964 psi | 79% | 2858 fps | 98% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 42,598 psi | 70% | 2818 fps | 99.4% |
| Alliant Reloder-16 | <<locked>> | 86% | 52,373 psi | 86% | 2907 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 82% | 53,301 psi | 88% | 2917 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 90% | 51,735 psi | 85% | 2890 fps | 99.2% |
| Alliant Reloder-22 | <<locked>> | 94% | 53,287 psi | 87% | 2956 fps | 99.5% |
| Alliant Reloder-23 | <<locked>> | 96% | 54,607 psi | 90% | 2930 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 53,650 psi | 88% | 2989 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 92% | 54,607 psi | 90% | 3018 fps | 100% |
| Bofors RP15 | <<locked>> | 96% | 52,504 psi | 86% | 2943 fps | 99.3% |
| Bofors RP30ᴾ | <<locked>> | 100% | 49,705 psi | 82% | 2930 fps | 98.6% |
| Bofors RP5 | <<locked>> | 94% | 53,287 psi | 87% | 2956 fps | 99.5% |
| Bofors RP7 | <<locked>> | 84% | 54,128 psi | 89% | 2848 fps | 99.8% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 52,765 psi | 87% | 2946 fps | 99.2% |
| Hodgdon H414 | <<locked>> | 84% | 53,127 psi | 87% | 2900 fps | 99.9% |
| Hodgdon H4350 | <<locked>> | 82% | 52,431 psi | 86% | 2858 fps | 99.4% |
| Hodgdon H4831 | <<locked>> | 92% | 53,592 psi | 88% | 2900 fps | 98.1% |
| Hodgdon H4831 SC | <<locked>> | 92% | 52,315 psi | 86% | 2881 fps | 97.9% |
| Hodgdon Hybrid 100V | <<locked>> | 88% | 52,576 psi | 86% | 2825 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 52,663 psi | 86% | 3061 fps | 99.9% |
| Hodgdon Superformance | <<locked>> | 84% | 53,156 psi | 87% | 2936 fps | 99.9% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 37,057 psi | 61% | 1811 fps | 100% |
| IMR 4350 | <<locked>> | 86% | 52,112 psi | 86% | 2835 fps | 99.7% |
| IMR 4451 Enduron | <<locked>> | 82% | 52,228 psi | 86% | 2818 fps | 99.8% |
| IMR 4831 | <<locked>> | 86% | 52,011 psi | 85% | 2841 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 92% | 54,708 psi | 90% | 2887 fps | 98.4% |
| IMR 7828 SSC | <<locked>> | 96% | 54,897 psi | 90% | 2999 fps | 99% |
| Lovex S065 | <<locked>> | 84% | 52,779 psi | 87% | 2818 fps | 100% |
| Lovex S070 | <<locked>> | 86% | 54,230 psi | 89% | 2867 fps | 100% |
| Lovex S071ᴾ | <<locked>> | 100% | 54,534 psi | 90% | 2884 fps | 100% |
| Norma 204 | <<locked>> | 86% | 52,779 psi | 87% | 2887 fps | 99.2% |
| Norma 217ᴾ | <<locked>> | 100% | 38,218 psi | 63% | 2746 fps | 97.8% |
| Norma MRP | <<locked>> | 92% | 53,040 psi | 87% | 2979 fps | 99.9% |
| Norma URP | <<locked>> | 86% | 53,534 psi | 88% | 2884 fps | 100% |
| Ramshot Grand | <<locked>> | 94% | 51,692 psi | 85% | 2956 fps | 98.8% |
| Ramshot Hunter | <<locked>> | 86% | 52,330 psi | 86% | 2890 fps | 100% |
| Ramshot Magnum | <<locked>> | 98% | 53,751 psi | 88% | 2949 fps | 99.8% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,753 psi | 62% | 1850 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 86% | 54,926 psi | 90% | 2927 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 86% | 53,258 psi | 87% | 2956 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 53,185 psi | 87% | 3058 fps | 100% |
| ReloadSwiss RS 80ᴾ | <<locked>> | 100% | 47,993 psi | 79% | 2936 fps | 97% |
| Rottweil R 904 | <<locked>> | 90% | 53,650 psi | 88% | 2874 fps | 98.7% |
| Rottweil R 905 | <<locked>> | 92% | 54,897 psi | 90% | 2940 fps | 99.6% |
| Rottweil R 907 | <<locked>> | 84% | 54,128 psi | 89% | 2848 fps | 99.8% |
| Shooters World Long Rifle | <<locked>> | 84% | 52,779 psi | 87% | 2818 fps | 100% |
| Shooters World SW4350 | <<locked>> | 86% | 54,230 psi | 89% | 2867 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 84% | 51,953 psi | 85% | 2769 fps | 99.8% |
| SNPE Vectan Tubal 8000 | <<locked>> | 92% | 54,462 psi | 89% | 2933 fps | 99.5% |
| Somchem S355 | <<locked>> | 82% | 54,940 psi | 90% | 2841 fps | 100% |
| Somchem S361 | <<locked>> | 90% | 54,897 psi | 90% | 2864 fps | 98.3% |
| Somchem S365 | <<locked>> | 88% | 53,737 psi | 88% | 2887 fps | 100% |
| Somchem S385 | <<locked>> | 90% | 51,779 psi | 85% | 2854 fps | 99.6% |
| Vihtavuori N150 | <<locked>> | 82% | 52,634 psi | 86% | 2762 fps | 100% |
| Vihtavuori N160 | <<locked>> | 84% | 51,938 psi | 85% | 2825 fps | 100% |
| Vihtavuori N165 | <<locked>> | 96% | 54,679 psi | 90% | 2887 fps | 99.7% |
| Vihtavuori N550 | <<locked>> | 86% | 54,592 psi | 90% | 2884 fps | 100% |
| Vihtavuori N555 | <<locked>> | 92% | 53,388 psi | 88% | 2910 fps | 100% |
| Vihtavuori N560 | <<locked>> | 92% | 52,953 psi | 87% | 2976 fps | 98.3% |
| Vihtavuori N565 | <<locked>> | 98% | 52,779 psi | 87% | 2953 fps | 98.5% |
| Vihtavuori N568ᴾ | <<locked>> | 100% | 49,269 psi | 81% | 2943 fps | 96.7% |
| Winchester 6.5 StaBALL | <<locked>> | 86% | 54,665 psi | 90% | 2835 fps | 100% |
| Winchester 760 | <<locked>> | 84% | 53,403 psi | 88% | 2907 fps | 99.9% |
| Winchester StaBALL HD | <<locked>> | 96% | 51,590 psi | 85% | 3012 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 94% | 55,100 psi | 90% | 2904 fps | 99.5% |
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>> | 80% | 33,475 psi | 55% | 2487 fps | 97.4% |
| Accurate 4350 | <<locked>> | 80% | 44,947 psi | 74% | 2740 fps | 100% |
| Accurate MAGPRO | <<locked>> | 86% | 42,018 psi | 69% | 2766 fps | 95% |
| ADI AR 2209 | <<locked>> | 80% | 37,521 psi | 62% | 2612 fps | 96% |
| ADI AR 2213 | <<locked>> | 86% | 40,814 psi | 67% | 2717 fps | 95.7% |
| ADI AR 2217 | <<locked>> | 94% | 39,204 psi | 64% | 2674 fps | 95.4% |
| ADI AR 2225 | <<locked>> | 90% | 30,951 psi | 51% | 2516 fps | 95.1% |
| Alliant Reloder-16 | <<locked>> | 80% | 42,960 psi | 71% | 2743 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 80% | 49,588 psi | 81% | 2861 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 80% | 37,521 psi | 62% | 2608 fps | 96.1% |
| Alliant Reloder-22 | <<locked>> | 82% | 35,679 psi | 59% | 2605 fps | 95.6% |
| Alliant Reloder-23 | <<locked>> | 80% | 32,140 psi | 53% | 2516 fps | 99.7% |
| Alliant Reloder-25 | <<locked>> | 80% | 28,050 psi | 46% | 2421 fps | 95.7% |
| Alliant Reloder-26 | <<locked>> | 80% | 34,969 psi | 57% | 2651 fps | 99.1% |
| Bofors RP15 | <<locked>> | 84% | 35,404 psi | 58% | 2598 fps | 95.3% |
| Bofors RP30 | <<locked>> | 92% | 37,840 psi | 62% | 2690 fps | 95.6% |
| Bofors RP5 | <<locked>> | 82% | 35,679 psi | 59% | 2605 fps | 95.6% |
| Bofors RP7 | <<locked>> | 80% | 47,630 psi | 78% | 2740 fps | 99.2% |
| Hodgdon H1000 | <<locked>> | 90% | 37,637 psi | 62% | 2641 fps | 95.5% |
| Hodgdon H414 | <<locked>> | 80% | 46,470 psi | 76% | 2785 fps | 99.4% |
| Hodgdon H4350 | <<locked>> | 80% | 49,139 psi | 81% | 2802 fps | 99% |
| Hodgdon H4831 | <<locked>> | 84% | 40,843 psi | 67% | 2664 fps | 95% |
| Hodgdon H4831 SC | <<locked>> | 86% | 42,830 psi | 70% | 2707 fps | 95.7% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 40,683 psi | 67% | 2631 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 88% | 35,462 psi | 58% | 2680 fps | 96% |
| Hodgdon Superformance | <<locked>> | 80% | 45,847 psi | 75% | 2808 fps | 99.2% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,746 psi | 46% | 1617 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 43,265 psi | 71% | 2674 fps | 98.5% |
| IMR 4451 Enduron | <<locked>> | 80% | 49,052 psi | 81% | 2766 fps | 99.6% |
| IMR 4831 | <<locked>> | 80% | 42,699 psi | 70% | 2684 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 82% | 40,030 psi | 66% | 2612 fps | 95% |
| IMR 7828 SSC | <<locked>> | 86% | 39,218 psi | 64% | 2694 fps | 95.2% |
| Lovex S065 | <<locked>> | 80% | 46,731 psi | 77% | 2717 fps | 99.9% |
| Lovex S070 | <<locked>> | 80% | 45,020 psi | 74% | 2707 fps | 99.3% |
| Lovex S071 | <<locked>> | 80% | 28,761 psi | 47% | 2359 fps | 95.5% |
| Norma 204 | <<locked>> | 80% | 43,105 psi | 71% | 2710 fps | 97.5% |
| Norma 217 | <<locked>> | 96% | 33,446 psi | 55% | 2621 fps | 96% |
| Norma MRP | 58.2 gr | 80% | 34,766 psi | 57% | 2615 fps | 96.7% |
| Norma URP | <<locked>> | 80% | 44,135 psi | 72% | 2726 fps | 100% |
| Ramshot Grand | <<locked>> | 86% | 38,769 psi | 64% | 2697 fps | 95.5% |
| Ramshot Hunter | <<locked>> | 80% | 42,902 psi | 70% | 2723 fps | 99.4% |
| Ramshot Magnum | <<locked>> | 86% | 34,650 psi | 57% | 2579 fps | 96.1% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,427 psi | 47% | 1660 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 44,672 psi | 73% | 2756 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 42,946 psi | 71% | 2776 fps | 99.9% |
| ReloadSwiss RS 76 | <<locked>> | 86% | 32,271 psi | 53% | 2589 fps | 95.8% |
| ReloadSwiss RS 80 | <<locked>> | 96% | 41,408 psi | 68% | 2802 fps | 95% |
| Rottweil R 904 | <<locked>> | 80% | 38,914 psi | 64% | 2592 fps | 95.2% |
| Rottweil R 905 | <<locked>> | 80% | 36,680 psi | 60% | 2589 fps | 96% |
| Rottweil R 907 | <<locked>> | 80% | 47,630 psi | 78% | 2740 fps | 99.2% |
| Shooters World Long Rifle | <<locked>> | 80% | 46,731 psi | 77% | 2717 fps | 99.9% |
| Shooters World SW4350 | <<locked>> | 80% | 45,020 psi | 74% | 2707 fps | 99.3% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 45,643 psi | 75% | 2664 fps | 99.3% |
| SNPE Vectan Tubal 8000 | <<locked>> | 80% | 36,347 psi | 60% | 2582 fps | 95.8% |
| Somchem S355 | <<locked>> | 80% | 51,793 psi | 85% | 2792 fps | 100% |
| Somchem S361 | <<locked>> | 82% | 42,221 psi | 69% | 2638 fps | 95.4% |
| Somchem S365 | <<locked>> | 80% | 41,031 psi | 67% | 2680 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 37,391 psi | 61% | 2579 fps | 97.1% |
| Vihtavuori N150 | <<locked>> | 80% | 49,545 psi | 81% | 2717 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 45,556 psi | 75% | 2720 fps | 100% |
| Vihtavuori N165 | <<locked>> | 82% | 34,592 psi | 57% | 2507 fps | 95.7% |
| Vihtavuori N550 | <<locked>> | 80% | 44,904 psi | 74% | 2723 fps | 100% |
| Vihtavuori N555 | <<locked>> | 80% | 36,042 psi | 59% | 2592 fps | 99.6% |
| Vihtavuori N560 | 61.1 gr | 84% | 40,205 psi | 66% | 2723 fps | 95.1% |
| Vihtavuori N565 | <<locked>> | 90% | 40,118 psi | 66% | 2710 fps | 95.4% |
| Vihtavuori N568 | <<locked>> | 98% | 46,079 psi | 76% | 2881 fps | 95.8% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 44,440 psi | 73% | 2677 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 46,673 psi | 77% | 2789 fps | 99.4% |
| Winchester StaBALL HD | 57.6 gr | 80% | 28,485 psi | 47% | 2530 fps | 99.8% |
| Winchester Supreme 780 | <<locked>> | 82% | 36,521 psi | 60% | 2556 fps | 95.7% |
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 7 mm Blaser Mag. loaded with the .284 | 160gr | Sierra Tipped MatchKing. Hodgdon Retumbo delivers the highest muzzle velocity at 3,061 fps; across all powders the maximum-charge window runs from 1,811 fps to 3,061 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 (420 MPa), the top charges use 61–90 %, leaving at least 10 % headroom. The 160.0 gr projectile in 0.284" calls for a 1:10.0 twist; slower twists will usually not stabilise this weight. ADI AR 2217, ADI AR 2225, Alliant Reloder-25 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. Winchester StaBALL HD, Vihtavuori N560, Norma MRP rank at the top here: for 7 mm Blaser Mag. with the .284 | 160gr | Sierra Tipped MatchKing 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.