Load Specifications
Load data in caliber 7 mm Exp. Rem. with .284 | 170gr | Norma ORYX bullet and 72 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 ReloadSwiss RS 70.
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: 22"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2700 | <<locked>> | 82% | 51,634 psi | 88% | 2497 fps | 98% |
| Accurate 3100ᴾ | <<locked>> | 100% | 52,257 psi | 89% | 2585 fps | 99.3% |
| Accurate 4064 | <<locked>> | 82% | 51,169 psi | 87% | 2493 fps | 100% |
| Accurate 4350 | <<locked>> | 90% | 51,227 psi | 87% | 2582 fps | 99.9% |
| ADI AR 2208 | <<locked>> | 84% | 51,300 psi | 87% | 2520 fps | 100% |
| ADI AR 2209 | <<locked>> | 96% | 52,199 psi | 89% | 2618 fps | 97.4% |
| Alliant Reloder- TS 15.5 | <<locked>> | 84% | 51,895 psi | 88% | 2539 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 82% | 51,909 psi | 88% | 2556 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 92% | 51,938 psi | 88% | 2635 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 88% | 52,852 psi | 90% | 2654 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 96% | 51,547 psi | 88% | 2608 fps | 97.3% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 51,953 psi | 88% | 2661 fps | 97.6% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 49,110 psi | 84% | 2602 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 42,830 psi | 73% | 2526 fps | 98.6% |
| Alliant Reloder-26 | <<locked>> | 98% | 52,431 psi | 89% | 2730 fps | 100% |
| Bofors RP15ᴾ | <<locked>> | 100% | 47,703 psi | 81% | 2589 fps | 96.5% |
| Bofors RP3 | <<locked>> | 84% | 52,591 psi | 90% | 2556 fps | 100% |
| Bofors RP5ᴾ | <<locked>> | 100% | 51,953 psi | 88% | 2661 fps | 97.6% |
| Bofors RP7 | <<locked>> | 88% | 52,156 psi | 89% | 2539 fps | 98.3% |
| Hodgdon H380 | <<locked>> | 84% | 52,982 psi | 90% | 2569 fps | 99.8% |
| Hodgdon H414 | <<locked>> | 88% | 49,893 psi | 85% | 2575 fps | 98.4% |
| Hodgdon H4350 | <<locked>> | 86% | 50,169 psi | 85% | 2543 fps | 97.3% |
| Hodgdon Hybrid 100V | <<locked>> | 94% | 52,330 psi | 89% | 2569 fps | 100% |
| Hodgdon Superformance | <<locked>> | 88% | 49,617 psi | 84% | 2605 fps | 98.1% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,303 psi | 62% | 1594 fps | 100% |
| IMR 4064 | <<locked>> | 82% | 50,720 psi | 86% | 2500 fps | 100% |
| IMR 4350 | <<locked>> | 92% | 52,794 psi | 90% | 2569 fps | 98.4% |
| IMR 4451 Enduron | <<locked>> | 86% | 50,531 psi | 86% | 2513 fps | 98.4% |
| IMR 4831 | <<locked>> | 92% | 51,605 psi | 88% | 2575 fps | 99.9% |
| Lovex S062 | <<locked>> | 82% | 50,937 psi | 87% | 2497 fps | 100% |
| Lovex S065 | <<locked>> | 88% | 50,502 psi | 86% | 2516 fps | 99.3% |
| Lovex S070 | <<locked>> | 90% | 51,459 psi | 88% | 2549 fps | 98.8% |
| Lovex S071ᴾ | <<locked>> | 100% | 43,526 psi | 74% | 2448 fps | 98% |
| Norma 203B | <<locked>> | 82% | 51,256 psi | 87% | 2543 fps | 100% |
| Norma 204 | <<locked>> | 90% | 49,835 psi | 85% | 2559 fps | 96.7% |
| Norma MRP | <<locked>> | 98% | 51,634 psi | 88% | 2684 fps | 98.7% |
| Norma URP | <<locked>> | 90% | 50,096 psi | 85% | 2569 fps | 99.8% |
| Ramshot Big Game | <<locked>> | 82% | 51,764 psi | 88% | 2569 fps | 100% |
| Ramshot Grandᴾ | <<locked>> | 100% | 50,792 psi | 86% | 2648 fps | 96.1% |
| Ramshot Hunter | <<locked>> | 92% | 52,112 psi | 89% | 2615 fps | 99.3% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 45,368 psi | 77% | 2533 fps | 96.6% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,072 psi | 63% | 1634 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 84% | 52,765 psi | 90% | 2552 fps | 99.2% |
| ReloadSwiss RS 60 | <<locked>> | 86% | 52,649 psi | 90% | 2651 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 90% | 51,024 psi | 87% | 2605 fps | 99.8% |
| ReloadSwiss RS 70 | <<locked>> | 92% | 52,968 psi | 90% | 2677 fps | 99.9% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 41,626 psi | 71% | 2539 fps | 96.3% |
| Rottweil R 902 | <<locked>> | 82% | 52,794 psi | 90% | 2510 fps | 100% |
| Rottweil R 903 | <<locked>> | 86% | 52,431 psi | 89% | 2549 fps | 100% |
| Rottweil R 904 | <<locked>> | 94% | 50,473 psi | 86% | 2539 fps | 95.8% |
| Rottweil R 905 | <<locked>> | 96% | 50,705 psi | 86% | 2595 fps | 97.3% |
| Rottweil R 907 | <<locked>> | 88% | 52,156 psi | 89% | 2539 fps | 98.3% |
| Shooters World Long Rifle | <<locked>> | 88% | 50,502 psi | 86% | 2516 fps | 99.3% |
| Shooters World Precision | <<locked>> | 82% | 50,937 psi | 87% | 2497 fps | 100% |
| Shooters World SW4350 | <<locked>> | 90% | 51,459 psi | 88% | 2549 fps | 98.8% |
| SNPE Vectan SP 11 | <<locked>> | 84% | 50,705 psi | 86% | 2559 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 84% | 50,560 psi | 86% | 2408 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 88% | 50,096 psi | 85% | 2470 fps | 98.4% |
| SNPE Vectan Tubal 8000 | <<locked>> | 96% | 50,256 psi | 86% | 2589 fps | 97.2% |
| Somchem S355 | <<locked>> | 86% | 52,562 psi | 89% | 2546 fps | 100% |
| Somchem S365 | <<locked>> | 94% | 52,562 psi | 89% | 2621 fps | 100% |
| Somchem S385 | <<locked>> | 96% | 51,416 psi | 88% | 2575 fps | 98.1% |
| Vihtavuori N150 | <<locked>> | 86% | 50,372 psi | 86% | 2480 fps | 100% |
| Vihtavuori N160 | <<locked>> | 90% | 52,257 psi | 89% | 2569 fps | 99.9% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 50,517 psi | 86% | 2552 fps | 97.6% |
| Vihtavuori N540 | <<locked>> | 82% | 51,401 psi | 88% | 2484 fps | 100% |
| Vihtavuori N550 | <<locked>> | 90% | 51,430 psi | 88% | 2572 fps | 99.8% |
| Vihtavuori N555 | <<locked>> | 98% | 51,474 psi | 88% | 2625 fps | 100% |
| Winchester 6.5 StaBALL | <<locked>> | 90% | 51,663 psi | 88% | 2543 fps | 100% |
| Winchester 760 | <<locked>> | 88% | 50,198 psi | 85% | 2579 fps | 98.5% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 44,222 psi | 75% | 2651 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 98% | 51,068 psi | 87% | 2566 fps | 97.1% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 22"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2700 | <<locked>> | 80% | 48,544 psi | 83% | 2448 fps | 97.4% |
| Accurate 3100 | <<locked>> | 88% | 34,954 psi | 60% | 2280 fps | 95.5% |
| Accurate 4064 | <<locked>> | 80% | 48,037 psi | 82% | 2451 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 36,289 psi | 62% | 2320 fps | 97.7% |
| ADI AR 2208 | <<locked>> | 80% | 45,223 psi | 77% | 2421 fps | 99.6% |
| ADI AR 2209 | <<locked>> | 90% | 43,033 psi | 73% | 2457 fps | 95% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 45,730 psi | 78% | 2444 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 48,733 psi | 83% | 2507 fps | 99.9% |
| Alliant Reloder-16 | <<locked>> | 80% | 35,679 psi | 61% | 2329 fps | 97.9% |
| Alliant Reloder-17 | <<locked>> | 80% | 40,176 psi | 68% | 2444 fps | 99.8% |
| Alliant Reloder-19 | <<locked>> | 90% | 42,641 psi | 73% | 2454 fps | 95% |
| Alliant Reloder-22 | <<locked>> | 94% | 42,525 psi | 72% | 2493 fps | 95.1% |
| Alliant Reloder-23 | <<locked>> | 80% | 26,121 psi | 44% | 2106 fps | 95.2% |
| Alliant Reloder-25 | <<locked>> | 92% | 33,359 psi | 57% | 2313 fps | 95.2% |
| Alliant Reloder-26 | 49.9 gr | 84% | 31,618 psi | 54% | 2310 fps | 95.4% |
| Bofors RP15 | <<locked>> | 98% | 44,715 psi | 76% | 2533 fps | 95.7% |
| Bofors RP3 | <<locked>> | 80% | 45,948 psi | 78% | 2457 fps | 100% |
| Bofors RP5 | <<locked>> | 94% | 42,525 psi | 72% | 2493 fps | 95.1% |
| Bofors RP7 | <<locked>> | 80% | 40,567 psi | 69% | 2336 fps | 95.6% |
| Hodgdon H380 | <<locked>> | 80% | 46,398 psi | 79% | 2464 fps | 99.3% |
| Hodgdon H414 | <<locked>> | 80% | 38,363 psi | 65% | 2362 fps | 95.6% |
| Hodgdon H4350 | <<locked>> | 80% | 41,307 psi | 70% | 2382 fps | 95% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 33,141 psi | 56% | 2234 fps | 98.4% |
| Hodgdon Superformance | <<locked>> | 82% | 40,016 psi | 68% | 2428 fps | 95.6% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,180 psi | 46% | 1421 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 47,572 psi | 81% | 2451 fps | 99.9% |
| IMR 4350 | <<locked>> | 82% | 38,696 psi | 66% | 2320 fps | 95% |
| IMR 4451 Enduron | <<locked>> | 80% | 41,974 psi | 71% | 2365 fps | 96.5% |
| IMR 4831 | <<locked>> | 80% | 35,143 psi | 60% | 2280 fps | 97.4% |
| Lovex S062 | <<locked>> | 80% | 47,805 psi | 81% | 2451 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 39,610 psi | 67% | 2323 fps | 97.3% |
| Lovex S070 | <<locked>> | 80% | 37,869 psi | 64% | 2303 fps | 95.7% |
| Lovex S071 | <<locked>> | 92% | 33,707 psi | 57% | 2254 fps | 95% |
| Norma 203B | <<locked>> | 80% | 48,138 psi | 82% | 2493 fps | 100% |
| Norma 204 | <<locked>> | 86% | 43,526 psi | 74% | 2451 fps | 95.1% |
| Norma MRP | 51.9 gr | 90% | 39,073 psi | 67% | 2454 fps | 95.6% |
| Norma URP | <<locked>> | 80% | 36,361 psi | 62% | 2320 fps | 97.6% |
| Ramshot Big Game | <<locked>> | 80% | 48,312 psi | 82% | 2516 fps | 100% |
| Ramshot Grand | <<locked>> | 98% | 47,485 psi | 81% | 2589 fps | 95.1% |
| Ramshot Hunter | <<locked>> | 80% | 35,172 psi | 60% | 2303 fps | 95.4% |
| Ramshot Magnum | <<locked>> | 98% | 42,134 psi | 72% | 2474 fps | 95.6% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,702 psi | 47% | 1457 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 46,369 psi | 79% | 2451 fps | 98.2% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 42,685 psi | 73% | 2497 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 36,143 psi | 62% | 2339 fps | 97.3% |
| ReloadSwiss RS 70 | 47.1 gr | 80% | 35,099 psi | 60% | 2336 fps | 96.5% |
| ReloadSwiss RS 76 | <<locked>> | 98% | 38,812 psi | 66% | 2474 fps | 95.1% |
| Rottweil R 902 | <<locked>> | 80% | 49,879 psi | 85% | 2467 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 43,424 psi | 74% | 2408 fps | 99.9% |
| Rottweil R 904 | <<locked>> | 92% | 47,645 psi | 81% | 2493 fps | 95.1% |
| Rottweil R 905 | <<locked>> | 92% | 44,440 psi | 76% | 2490 fps | 95.8% |
| Rottweil R 907 | <<locked>> | 80% | 40,567 psi | 69% | 2336 fps | 95.6% |
| Shooters World Long Rifle | <<locked>> | 80% | 39,610 psi | 67% | 2323 fps | 97.3% |
| Shooters World Precision | <<locked>> | 80% | 47,805 psi | 81% | 2451 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 37,869 psi | 64% | 2303 fps | 95.7% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 44,396 psi | 76% | 2454 fps | 99.8% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 44,686 psi | 76% | 2326 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 38,609 psi | 66% | 2267 fps | 95.7% |
| SNPE Vectan Tubal 8000 | <<locked>> | 92% | 44,034 psi | 75% | 2484 fps | 95.7% |
| Somchem S355 | <<locked>> | 80% | 43,758 psi | 74% | 2408 fps | 99.9% |
| Somchem S365 | <<locked>> | 80% | 32,735 psi | 56% | 2277 fps | 99.3% |
| Somchem S385 | <<locked>> | 88% | 39,639 psi | 67% | 2372 fps | 95.3% |
| Vihtavuori N150 | <<locked>> | 80% | 41,800 psi | 71% | 2346 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 37,565 psi | 64% | 2316 fps | 97.9% |
| Vihtavuori N165 | <<locked>> | 94% | 41,553 psi | 71% | 2402 fps | 95.4% |
| Vihtavuori N540 | <<locked>> | 80% | 48,341 psi | 82% | 2441 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 37,115 psi | 63% | 2320 fps | 97.6% |
| Vihtavuori N555 | <<locked>> | 80% | 28,587 psi | 49% | 2175 fps | 95.4% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 36,767 psi | 63% | 2293 fps | 99.4% |
| Winchester 760 | <<locked>> | 80% | 38,363 psi | 65% | 2362 fps | 95.6% |
| Winchester StaBALL HD | <<locked>> | 84% | 26,179 psi | 45% | 2182 fps | 95.8% |
| Winchester Supreme 780 | <<locked>> | 94% | 44,701 psi | 76% | 2461 fps | 95.6% |
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 72 powders for 7 mm Exp. Rem. loaded with the .284 | 170gr | Norma ORYX. Alliant Reloder-26 delivers the highest muzzle velocity at 2,730 fps; across all powders the maximum-charge window runs from 1,594 fps to 2,730 fps. Accurate 3100 gives the best case fill at 100 %, and 72 of the 72 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (405 MPa), the top charges use 62–90 %, leaving at least 10 % headroom. The 170.0 gr projectile in 0.284" calls for a 1:12.5 twist; slower twists will usually not stabilise this weight. Accurate 3100, Alliant Reloder-22, Alliant Reloder-23 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, ReloadSwiss RS 70 rank at the top here: for 7 mm Exp. Rem. with the .284 | 170gr | Norma ORYX 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.