Load Specifications
Load data in caliber 7 mm Exp. Rem. with .284 | 174gr | Prvi Partizan SP bullet and 74 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% | 51,735 psi | 88% | 2467 fps | 98.1% |
| Accurate 3100ᴾ | <<locked>> | 100% | 52,170 psi | 89% | 2552 fps | 99.4% |
| Accurate 4064 | <<locked>> | 82% | 51,082 psi | 87% | 2457 fps | 100% |
| Accurate 4350 | <<locked>> | 90% | 51,111 psi | 87% | 2549 fps | 99.9% |
| ADI AR 2208 | <<locked>> | 84% | 51,256 psi | 87% | 2484 fps | 100% |
| ADI AR 2209 | <<locked>> | 96% | 51,938 psi | 88% | 2582 fps | 97.4% |
| Alliant Power Pro Varmint | <<locked>> | 96% | 52,011 psi | 89% | 2579 fps | 97.5% |
| Alliant Reloder- TS 15.5 | <<locked>> | 84% | 51,837 psi | 88% | 2507 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 82% | 51,866 psi | 88% | 2520 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 92% | 52,127 psi | 89% | 2602 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 88% | 52,823 psi | 90% | 2618 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 96% | 51,314 psi | 87% | 2572 fps | 97.4% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 51,880 psi | 88% | 2625 fps | 97.7% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 48,921 psi | 83% | 2566 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 42,743 psi | 73% | 2493 fps | 98.7% |
| Alliant Reloder-26 | <<locked>> | 98% | 52,170 psi | 89% | 2690 fps | 100% |
| Bofors RP15ᴾ | <<locked>> | 100% | 47,558 psi | 81% | 2552 fps | 96.6% |
| Bofors RP3 | <<locked>> | 84% | 52,315 psi | 89% | 2516 fps | 100% |
| Bofors RP5ᴾ | <<locked>> | 100% | 51,880 psi | 88% | 2625 fps | 97.7% |
| Bofors RP7 | <<locked>> | 88% | 51,982 psi | 88% | 2503 fps | 98.4% |
| Hodgdon H380 | <<locked>> | 84% | 52,765 psi | 90% | 2533 fps | 99.9% |
| Hodgdon H414 | <<locked>> | 90% | 53,098 psi | 90% | 2592 fps | 99% |
| Hodgdon H4350 | <<locked>> | 86% | 49,980 psi | 85% | 2503 fps | 97.4% |
| Hodgdon Hybrid 100V | <<locked>> | 94% | 52,272 psi | 89% | 2533 fps | 100% |
| Hodgdon Superformance | <<locked>> | 90% | 53,127 psi | 90% | 2625 fps | 98.8% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,492 psi | 62% | 1572 fps | 100% |
| IMR 4064 | <<locked>> | 82% | 50,604 psi | 86% | 2467 fps | 100% |
| IMR 4350 | <<locked>> | 92% | 52,765 psi | 90% | 2536 fps | 98.5% |
| IMR 4451 Enduron | <<locked>> | 86% | 50,575 psi | 86% | 2484 fps | 98.5% |
| IMR 4831 | <<locked>> | 92% | 51,503 psi | 88% | 2543 fps | 100% |
| Lovex S062 | <<locked>> | 82% | 50,807 psi | 86% | 2464 fps | 100% |
| Lovex S065 | <<locked>> | 88% | 50,575 psi | 86% | 2480 fps | 99.4% |
| Lovex S070 | <<locked>> | 90% | 51,343 psi | 87% | 2513 fps | 98.8% |
| Lovex S071ᴾ | <<locked>> | 100% | 43,540 psi | 74% | 2418 fps | 98.1% |
| Norma 203B | <<locked>> | 82% | 51,227 psi | 87% | 2507 fps | 100% |
| Norma 204 | <<locked>> | 90% | 49,864 psi | 85% | 2526 fps | 96.9% |
| Norma MRP | <<locked>> | 98% | 51,271 psi | 87% | 2648 fps | 98.8% |
| Norma URP | <<locked>> | 90% | 49,951 psi | 85% | 2533 fps | 99.8% |
| Ramshot Big Game | <<locked>> | 82% | 51,605 psi | 88% | 2530 fps | 100% |
| Ramshot Grandᴾ | <<locked>> | 100% | 50,850 psi | 87% | 2612 fps | 96.3% |
| Ramshot Hunter | <<locked>> | 92% | 52,170 psi | 89% | 2582 fps | 99.4% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 45,136 psi | 77% | 2497 fps | 96.7% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,028 psi | 63% | 1604 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 84% | 52,895 psi | 90% | 2520 fps | 99.3% |
| ReloadSwiss RS 60 | <<locked>> | 86% | 52,547 psi | 89% | 2615 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 90% | 50,763 psi | 86% | 2569 fps | 99.8% |
| ReloadSwiss RS 70 | <<locked>> | 92% | 52,852 psi | 90% | 2641 fps | 99.9% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 41,510 psi | 71% | 2507 fps | 96.5% |
| Rottweil R 902 | <<locked>> | 82% | 52,678 psi | 90% | 2470 fps | 100% |
| Rottweil R 903 | <<locked>> | 86% | 52,533 psi | 89% | 2516 fps | 100% |
| Rottweil R 904 | <<locked>> | 94% | 50,488 psi | 86% | 2507 fps | 96% |
| Rottweil R 905 | <<locked>> | 96% | 50,459 psi | 86% | 2556 fps | 97.4% |
| Rottweil R 907 | <<locked>> | 88% | 51,982 psi | 88% | 2503 fps | 98.4% |
| Shooters World Long Rifle | <<locked>> | 88% | 50,575 psi | 86% | 2480 fps | 99.4% |
| Shooters World Precision | <<locked>> | 82% | 50,807 psi | 86% | 2464 fps | 100% |
| Shooters World SW4350 | <<locked>> | 90% | 51,343 psi | 87% | 2513 fps | 98.8% |
| SNPE Vectan SP 11 | <<locked>> | 84% | 50,488 psi | 86% | 2520 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 84% | 50,763 psi | 86% | 2379 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 88% | 49,937 psi | 85% | 2434 fps | 98.5% |
| SNPE Vectan Tubal 8000 | <<locked>> | 96% | 50,009 psi | 85% | 2552 fps | 97.3% |
| Somchem S355 | <<locked>> | 86% | 52,605 psi | 90% | 2510 fps | 100% |
| Somchem S365 | <<locked>> | 94% | 52,518 psi | 89% | 2589 fps | 100% |
| Somchem S385 | <<locked>> | 96% | 51,227 psi | 87% | 2543 fps | 98.2% |
| Vihtavuori N135 | <<locked>> | 82% | 53,011 psi | 90% | 2438 fps | 100% |
| Vihtavuori N150 | <<locked>> | 86% | 50,430 psi | 86% | 2448 fps | 100% |
| Vihtavuori N160 | <<locked>> | 90% | 52,156 psi | 89% | 2533 fps | 99.9% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 50,430 psi | 86% | 2516 fps | 97.7% |
| Vihtavuori N540 | <<locked>> | 82% | 51,459 psi | 88% | 2451 fps | 100% |
| Vihtavuori N550 | <<locked>> | 90% | 51,126 psi | 87% | 2536 fps | 99.8% |
| Vihtavuori N555 | <<locked>> | 98% | 51,561 psi | 88% | 2592 fps | 100% |
| Winchester 6.5 StaBALL | <<locked>> | 90% | 51,503 psi | 88% | 2507 fps | 100% |
| Winchester 760 | <<locked>> | 88% | 50,111 psi | 85% | 2546 fps | 98.6% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 44,251 psi | 75% | 2618 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 98% | 50,981 psi | 87% | 2533 fps | 97.2% |
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% | 48,283 psi | 82% | 2411 fps | 97.5% |
| Accurate 3100 | <<locked>> | 88% | 34,867 psi | 59% | 2251 fps | 95.7% |
| Accurate 4064 | <<locked>> | 80% | 47,906 psi | 82% | 2415 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 36,434 psi | 62% | 2293 fps | 97.9% |
| ADI AR 2208 | <<locked>> | 80% | 45,339 psi | 77% | 2388 fps | 99.7% |
| ADI AR 2209 | <<locked>> | 90% | 42,917 psi | 73% | 2425 fps | 95.1% |
| Alliant Power Pro Varmint | <<locked>> | 90% | 43,047 psi | 73% | 2428 fps | 95.3% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 45,585 psi | 78% | 2408 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 48,965 psi | 83% | 2477 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 80% | 35,534 psi | 60% | 2297 fps | 98% |
| Alliant Reloder-17 | <<locked>> | 80% | 40,176 psi | 68% | 2415 fps | 99.8% |
| Alliant Reloder-19 | <<locked>> | 90% | 42,583 psi | 72% | 2421 fps | 95.2% |
| Alliant Reloder-22 | <<locked>> | 94% | 42,554 psi | 72% | 2464 fps | 95.3% |
| Alliant Reloder-23 | <<locked>> | 80% | 26,049 psi | 44% | 2077 fps | 95.4% |
| Alliant Reloder-25 | <<locked>> | 92% | 33,344 psi | 57% | 2283 fps | 95.4% |
| Alliant Reloder-26 | 48.9 gr | 84% | 31,560 psi | 54% | 2280 fps | 95.6% |
| Bofors RP15 | <<locked>> | 96% | 41,974 psi | 71% | 2451 fps | 95% |
| Bofors RP3 | <<locked>> | 80% | 45,861 psi | 78% | 2421 fps | 100% |
| Bofors RP5 | <<locked>> | 94% | 42,554 psi | 72% | 2464 fps | 95.3% |
| Bofors RP7 | <<locked>> | 80% | 40,669 psi | 69% | 2306 fps | 95.8% |
| Hodgdon H380 | <<locked>> | 80% | 46,369 psi | 79% | 2431 fps | 99.3% |
| Hodgdon H414 | <<locked>> | 80% | 38,334 psi | 65% | 2333 fps | 95.8% |
| Hodgdon H4350 | <<locked>> | 80% | 41,234 psi | 70% | 2349 fps | 95.2% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 33,025 psi | 56% | 2205 fps | 98.5% |
| Hodgdon Superformance | <<locked>> | 82% | 39,972 psi | 68% | 2395 fps | 95.8% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,180 psi | 46% | 1398 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 47,703 psi | 81% | 2421 fps | 99.9% |
| IMR 4350 | <<locked>> | 82% | 38,638 psi | 66% | 2290 fps | 95.2% |
| IMR 4451 Enduron | <<locked>> | 80% | 41,858 psi | 71% | 2333 fps | 96.7% |
| IMR 4831 | <<locked>> | 80% | 35,070 psi | 60% | 2251 fps | 97.6% |
| Lovex S062 | <<locked>> | 80% | 47,935 psi | 82% | 2418 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 39,494 psi | 67% | 2290 fps | 97.5% |
| Lovex S070 | <<locked>> | 80% | 37,797 psi | 64% | 2274 fps | 95.8% |
| Lovex S071 | <<locked>> | 92% | 33,794 psi | 58% | 2228 fps | 95.2% |
| Norma 203B | <<locked>> | 80% | 48,327 psi | 82% | 2464 fps | 100% |
| Norma 204 | <<locked>> | 86% | 43,424 psi | 74% | 2418 fps | 95.2% |
| Norma MRP | 50.9 gr | 90% | 39,102 psi | 67% | 2425 fps | 95.8% |
| Norma URP | <<locked>> | 80% | 36,260 psi | 62% | 2287 fps | 97.7% |
| Ramshot Big Game | <<locked>> | 80% | 48,399 psi | 82% | 2484 fps | 100% |
| Ramshot Grand | <<locked>> | 98% | 47,442 psi | 81% | 2556 fps | 95.3% |
| Ramshot Hunter | <<locked>> | 80% | 35,128 psi | 60% | 2274 fps | 95.6% |
| Ramshot Magnum | <<locked>> | 98% | 42,119 psi | 72% | 2444 fps | 95.8% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,717 psi | 47% | 1434 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 46,369 psi | 79% | 2418 fps | 98.3% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 42,714 psi | 73% | 2464 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 35,940 psi | 61% | 2303 fps | 97.5% |
| ReloadSwiss RS 70 | 46.2 gr | 80% | 35,114 psi | 60% | 2310 fps | 96.7% |
| ReloadSwiss RS 76 | <<locked>> | 98% | 38,870 psi | 66% | 2448 fps | 95.4% |
| Rottweil R 902 | <<locked>> | 80% | 49,690 psi | 85% | 2428 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 43,323 psi | 74% | 2375 fps | 100% |
| Rottweil R 904 | <<locked>> | 92% | 47,587 psi | 81% | 2461 fps | 95.3% |
| Rottweil R 905 | <<locked>> | 90% | 41,510 psi | 71% | 2402 fps | 95.1% |
| Rottweil R 907 | <<locked>> | 80% | 40,669 psi | 69% | 2306 fps | 95.8% |
| Shooters World Long Rifle | <<locked>> | 80% | 39,494 psi | 67% | 2290 fps | 97.5% |
| Shooters World Precision | <<locked>> | 80% | 47,935 psi | 82% | 2418 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 37,797 psi | 64% | 2274 fps | 95.8% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 44,396 psi | 76% | 2421 fps | 99.8% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 44,715 psi | 76% | 2293 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 38,769 psi | 66% | 2241 fps | 95.9% |
| SNPE Vectan Tubal 8000 | <<locked>> | 90% | 41,118 psi | 70% | 2398 fps | 95% |
| Somchem S355 | <<locked>> | 80% | 43,642 psi | 74% | 2372 fps | 99.9% |
| Somchem S365 | <<locked>> | 80% | 32,648 psi | 56% | 2247 fps | 99.4% |
| Somchem S385 | <<locked>> | 88% | 39,508 psi | 67% | 2339 fps | 95.4% |
| Vihtavuori N135 | <<locked>> | 80% | 49,908 psi | 85% | 2398 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 41,684 psi | 71% | 2313 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 37,739 psi | 64% | 2290 fps | 98.1% |
| Vihtavuori N165 | <<locked>> | 94% | 41,321 psi | 70% | 2365 fps | 95.5% |
| Vihtavuori N540 | <<locked>> | 80% | 48,312 psi | 82% | 2405 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 37,072 psi | 63% | 2287 fps | 97.7% |
| Vihtavuori N555 | <<locked>> | 80% | 28,500 psi | 49% | 2146 fps | 95.6% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 36,811 psi | 63% | 2264 fps | 99.5% |
| Winchester 760 | <<locked>> | 80% | 38,334 psi | 65% | 2333 fps | 95.8% |
| Winchester StaBALL HD | <<locked>> | 84% | 26,092 psi | 44% | 2156 fps | 96.1% |
| Winchester Supreme 780 | <<locked>> | 94% | 44,512 psi | 76% | 2428 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 74 powders for 7 mm Exp. Rem. loaded with the .284 | 174gr | Prvi Partizan SP. Alliant Reloder-26 delivers the highest muzzle velocity at 2,690 fps; across all powders the maximum-charge window runs from 1,572 fps to 2,690 fps. Accurate 3100 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 (405 MPa), the top charges use 62–90 %, leaving at least 10 % headroom. The 174.0 gr projectile in 0.284" calls for a 1:11.5 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 | 174gr | Prvi Partizan SP 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.