Load Specifications
Load data in caliber 7 mm Blaser Mag. with .284 | 175gr | Barnes Solid RN bullet and 69 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 Accurate MAGPRO.
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>> | 92% | 53,925 psi | 89% | 2756 fps | 100% |
| Accurate 4350 | <<locked>> | 82% | 51,634 psi | 85% | 2730 fps | 100% |
| Accurate MAGPRO | <<locked>> | 92% | 53,316 psi | 88% | 2861 fps | 98.1% |
| ADI AR 2209 | <<locked>> | 88% | 52,301 psi | 86% | 2785 fps | 99.7% |
| ADI AR 2213 | <<locked>> | 92% | 53,577 psi | 88% | 2848 fps | 99.3% |
| ADI AR 2217ᴾ | <<locked>> | 100% | 51,459 psi | 84% | 2812 fps | 99.3% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 46,166 psi | 76% | 2782 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 84% | 52,489 psi | 86% | 2782 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 88% | 52,141 psi | 86% | 2779 fps | 99.7% |
| Alliant Reloder-22 | <<locked>> | 92% | 53,795 psi | 88% | 2848 fps | 99.9% |
| Alliant Reloder-23 | <<locked>> | 92% | 51,619 psi | 85% | 2766 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 98% | 54,404 psi | 89% | 2877 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 88% | 51,459 psi | 84% | 2844 fps | 100% |
| Baschieri & Pellagri 109 | <<locked>> | 92% | 51,895 psi | 85% | 2759 fps | 96.7% |
| Bofors RP15 | <<locked>> | 94% | 53,026 psi | 87% | 2835 fps | 99.8% |
| Bofors RP30ᴾ | <<locked>> | 100% | 54,201 psi | 89% | 2887 fps | 99.7% |
| Bofors RP5 | <<locked>> | 92% | 53,795 psi | 88% | 2848 fps | 99.9% |
| Bofors RP7 | <<locked>> | 82% | 53,679 psi | 88% | 2726 fps | 100% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 52,895 psi | 87% | 2838 fps | 99.7% |
| Hodgdon H4350 | <<locked>> | 84% | 54,375 psi | 89% | 2772 fps | 99.9% |
| Hodgdon H4831 | <<locked>> | 94% | 53,185 psi | 87% | 2782 fps | 98.8% |
| Hodgdon H4831 SC | <<locked>> | 90% | 52,431 psi | 86% | 2772 fps | 98.7% |
| Hodgdon Hybrid 100V | <<locked>> | 86% | 52,866 psi | 87% | 2707 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 98% | 53,505 psi | 88% | 2956 fps | 100% |
| Hodgdon Superformance | <<locked>> | 82% | 53,287 psi | 87% | 2815 fps | 100% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 37,246 psi | 61% | 1736 fps | 100% |
| IMR 4350 | <<locked>> | 84% | 52,141 psi | 86% | 2720 fps | 99.9% |
| IMR 4451 Enduron | <<locked>> | 82% | 55,100 psi | 90% | 2749 fps | 100% |
| IMR 4831 | <<locked>> | 88% | 53,548 psi | 88% | 2746 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 90% | 54,534 psi | 90% | 2772 fps | 99.1% |
| IMR 7828 SSC | <<locked>> | 90% | 51,692 psi | 85% | 2831 fps | 99.2% |
| IMR 8133 Enduronᴾ | <<locked>> | 100% | 41,698 psi | 68% | 2690 fps | 97.7% |
| Lovex S065 | <<locked>> | 82% | 52,460 psi | 86% | 2697 fps | 100% |
| Lovex S070 | <<locked>> | 84% | 54,027 psi | 89% | 2746 fps | 100% |
| Lovex S071 | <<locked>> | 96% | 51,851 psi | 85% | 2726 fps | 100% |
| Norma 204 | <<locked>> | 84% | 52,750 psi | 87% | 2772 fps | 99.6% |
| Norma 217ᴾ | <<locked>> | 100% | 41,800 psi | 69% | 2717 fps | 99.4% |
| Norma MRP | <<locked>> | 90% | 53,751 psi | 88% | 2867 fps | 100% |
| Norma URP | <<locked>> | 84% | 53,548 psi | 88% | 2762 fps | 100% |
| Ramshot Grand | <<locked>> | 88% | 51,314 psi | 84% | 2835 fps | 99.4% |
| Ramshot Hunter | <<locked>> | 84% | 52,533 psi | 86% | 2772 fps | 100% |
| Ramshot Magnum | <<locked>> | 92% | 52,228 psi | 86% | 2808 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 38,218 psi | 63% | 1778 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 82% | 51,532 psi | 85% | 2753 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 84% | 53,490 psi | 88% | 2831 fps | 100% |
| ReloadSwiss RS 76 | <<locked>> | 98% | 53,940 psi | 89% | 2949 fps | 100% |
| ReloadSwiss RS 80ᴾ | <<locked>> | 100% | 52,881 psi | 87% | 2907 fps | 98.8% |
| Rottweil R 904 | <<locked>> | 88% | 53,490 psi | 88% | 2759 fps | 99.3% |
| Rottweil R 905 | <<locked>> | 90% | 55,071 psi | 90% | 2825 fps | 99.9% |
| Rottweil R 907 | <<locked>> | 82% | 53,679 psi | 88% | 2726 fps | 100% |
| Shooters World Long Rifle | <<locked>> | 82% | 52,460 psi | 86% | 2697 fps | 100% |
| Shooters World SW4350 | <<locked>> | 84% | 54,027 psi | 89% | 2746 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 84% | 54,940 psi | 90% | 2703 fps | 100% |
| SNPE Vectan Tubal 8000 | <<locked>> | 90% | 54,708 psi | 90% | 2818 fps | 99.9% |
| Somchem S361 | <<locked>> | 88% | 54,708 psi | 90% | 2753 fps | 98.9% |
| Somchem S365 | <<locked>> | 86% | 54,085 psi | 89% | 2762 fps | 100% |
| Somchem S385 | <<locked>> | 88% | 51,967 psi | 85% | 2740 fps | 99.9% |
| Unknown powder | <<locked>> | 82% | 53,751 psi | 88% | 2766 fps | 100% |
| Vihtavuori N160 | <<locked>> | 82% | 51,880 psi | 85% | 2703 fps | 100% |
| Vihtavuori N165 | <<locked>> | 94% | 54,998 psi | 90% | 2776 fps | 100% |
| Vihtavuori N550 | <<locked>> | 84% | 54,375 psi | 89% | 2759 fps | 100% |
| Vihtavuori N555 | <<locked>> | 90% | 53,867 psi | 88% | 2792 fps | 100% |
| Vihtavuori N560 | <<locked>> | 90% | 53,563 psi | 88% | 2864 fps | 99.1% |
| Vihtavuori N565 | <<locked>> | 96% | 53,359 psi | 88% | 2848 fps | 99.2% |
| Vihtavuori N568ᴾ | <<locked>> | 100% | 53,925 psi | 89% | 2910 fps | 98.5% |
| Vihtavuori N570ᴾ | <<locked>> | 100% | 50,865 psi | 84% | 2900 fps | 96.2% |
| Winchester 6.5 StaBALL | <<locked>> | 84% | 54,563 psi | 90% | 2710 fps | 100% |
| Winchester StaBALL HD | <<locked>> | 94% | 52,982 psi | 87% | 2897 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 88% | 52,953 psi | 87% | 2756 fps | 99.7% |
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>> | 80% | 36,187 psi | 59% | 2444 fps | 98.9% |
| Accurate 4350 | <<locked>> | 80% | 48,254 psi | 79% | 2677 fps | 100% |
| Accurate MAGPRO | 63.5 gr | 86% | 43,091 psi | 71% | 2674 fps | 95.7% |
| ADI AR 2209 | <<locked>> | 80% | 40,161 psi | 66% | 2566 fps | 97.8% |
| ADI AR 2213 | <<locked>> | 80% | 35,839 psi | 59% | 2500 fps | 95.1% |
| ADI AR 2217 | <<locked>> | 90% | 37,072 psi | 61% | 2530 fps | 95.9% |
| ADI AR 2225 | <<locked>> | 86% | 29,370 psi | 48% | 2379 fps | 95.8% |
| Alliant Reloder-16 | <<locked>> | 80% | 46,079 psi | 76% | 2680 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 80% | 40,176 psi | 66% | 2562 fps | 97.9% |
| Alliant Reloder-22 | <<locked>> | 80% | 36,042 psi | 59% | 2510 fps | 96.8% |
| Alliant Reloder-23 | <<locked>> | 80% | 34,795 psi | 57% | 2470 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 80% | 30,197 psi | 50% | 2392 fps | 98% |
| Alliant Reloder-26 | <<locked>> | 80% | 38,261 psi | 63% | 2615 fps | 99.9% |
| Baschieri & Pellagri 109 | <<locked>> | 88% | 45,948 psi | 75% | 2648 fps | 95.1% |
| Bofors RP15 | <<locked>> | 80% | 33,562 psi | 55% | 2448 fps | 95.7% |
| Bofors RP30 | <<locked>> | 86% | 33,794 psi | 55% | 2487 fps | 95.1% |
| Bofors RP5 | <<locked>> | 80% | 36,042 psi | 59% | 2510 fps | 96.8% |
| Bofors RP7 | <<locked>> | 80% | 50,604 psi | 83% | 2677 fps | 99.8% |
| Hodgdon H1000 | <<locked>> | 86% | 33,286 psi | 55% | 2438 fps | 95% |
| Hodgdon H4350 | <<locked>> | 80% | 48,037 psi | 79% | 2667 fps | 99.4% |
| Hodgdon H4831 | <<locked>> | 84% | 38,464 psi | 63% | 2510 fps | 95.4% |
| Hodgdon H4831 SC | <<locked>> | 80% | 37,536 psi | 62% | 2490 fps | 95.1% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 43,613 psi | 72% | 2566 fps | 100% |
| Hodgdon Retumbo | 57.3 gr | 82% | 31,473 psi | 52% | 2470 fps | 95.5% |
| Hodgdon Superformance | <<locked>> | 80% | 49,400 psi | 81% | 2756 fps | 99.9% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,891 psi | 46% | 1549 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 45,934 psi | 75% | 2615 fps | 99.5% |
| IMR 4451 Enduron | <<locked>> | 80% | 51,764 psi | 85% | 2697 fps | 100% |
| IMR 4831 | <<locked>> | 80% | 41,582 psi | 68% | 2549 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 80% | 39,900 psi | 66% | 2507 fps | 96.1% |
| IMR 7828 SSC | <<locked>> | 80% | 36,680 psi | 60% | 2533 fps | 95.6% |
| IMR 8133 Enduron | <<locked>> | 94% | 34,243 psi | 56% | 2520 fps | 95% |
| Lovex S065 | <<locked>> | 80% | 49,458 psi | 81% | 2651 fps | 100% |
| Lovex S070 | <<locked>> | 80% | 47,834 psi | 79% | 2644 fps | 99.9% |
| Lovex S071 | <<locked>> | 80% | 31,256 psi | 51% | 2329 fps | 97.6% |
| Norma 204 | <<locked>> | 80% | 46,050 psi | 76% | 2657 fps | 98.9% |
| Norma 217 | <<locked>> | 90% | 30,052 psi | 49% | 2431 fps | 95.6% |
| Norma MRP | <<locked>> | 80% | 37,710 psi | 62% | 2575 fps | 98.5% |
| Norma URP | <<locked>> | 80% | 47,195 psi | 77% | 2664 fps | 100% |
| Ramshot Grand | <<locked>> | 80% | 38,043 psi | 62% | 2579 fps | 96.5% |
| Ramshot Hunter | <<locked>> | 80% | 45,948 psi | 75% | 2664 fps | 100% |
| Ramshot Magnum | <<locked>> | 80% | 33,112 psi | 54% | 2441 fps | 96.7% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,631 psi | 47% | 1588 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 48,022 psi | 79% | 2697 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 46,253 psi | 76% | 2720 fps | 100% |
| ReloadSwiss RS 76 | 59.8 gr | 80% | 28,355 psi | 47% | 2379 fps | 95% |
| ReloadSwiss RS 80 | <<locked>> | 92% | 39,073 psi | 64% | 2648 fps | 95.4% |
| Rottweil R 904 | <<locked>> | 80% | 41,423 psi | 68% | 2543 fps | 97.1% |
| Rottweil R 905 | <<locked>> | 80% | 39,624 psi | 65% | 2549 fps | 97.9% |
| Rottweil R 907 | <<locked>> | 80% | 50,604 psi | 83% | 2677 fps | 99.8% |
| Shooters World Long Rifle | <<locked>> | 80% | 49,458 psi | 81% | 2651 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 47,834 psi | 79% | 2644 fps | 99.9% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 48,327 psi | 79% | 2602 fps | 99.9% |
| SNPE Vectan Tubal 8000 | <<locked>> | 80% | 39,291 psi | 65% | 2543 fps | 97.8% |
| Somchem S361 | <<locked>> | 80% | 42,076 psi | 69% | 2533 fps | 96.5% |
| Somchem S365 | <<locked>> | 80% | 44,353 psi | 73% | 2618 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 40,103 psi | 66% | 2530 fps | 98.6% |
| Unknown powder | <<locked>> | 80% | 50,357 psi | 83% | 2713 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 48,573 psi | 80% | 2654 fps | 100% |
| Vihtavuori N165 | <<locked>> | 80% | 34,795 psi | 57% | 2408 fps | 96.9% |
| Vihtavuori N550 | <<locked>> | 80% | 47,877 psi | 79% | 2661 fps | 100% |
| Vihtavuori N555 | <<locked>> | 80% | 38,972 psi | 64% | 2539 fps | 100% |
| Vihtavuori N560 | <<locked>> | 80% | 37,826 psi | 62% | 2566 fps | 95.4% |
| Vihtavuori N565 | <<locked>> | 84% | 35,708 psi | 59% | 2507 fps | 95% |
| Vihtavuori N568 | <<locked>> | 92% | 40,712 psi | 67% | 2664 fps | 95.3% |
| Vihtavuori N570 | <<locked>> | 98% | 47,558 psi | 78% | 2838 fps | 95.3% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 47,529 psi | 78% | 2612 fps | 100% |
| Winchester StaBALL HD | <<locked>> | 80% | 30,908 psi | 51% | 2503 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 80% | 39,842 psi | 65% | 2526 fps | 97.8% |
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 74 powders for 7 mm Blaser Mag. loaded with the .284 | 175gr | Barnes Solid RN. Hodgdon Retumbo delivers the highest muzzle velocity at 2,956 fps; across all powders the maximum-charge window runs from 1,736 fps to 2,956 fps. ADI AR 2217 gives the best case fill at 100 %, and 74 of the 74 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 175.0 gr projectile in 0.284" calls for a 1:10.5 twist; slower twists will usually not stabilise this weight. ADI AR 2217, ADI AR 2218, ADI AR 2225 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, Accurate MAGPRO rank at the top here: for 7 mm Blaser Mag. with the .284 | 175gr | Barnes Solid RN they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, ADI AR 2218, Alliant Reloder-50, IMR 7977 Enduron 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.