Load Specifications
Load data in caliber 7 mm Exp. Rem. with .284 | 174gr | Prvi Partizan FMJ BT 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 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% | 52,054 psi | 89% | 2474 fps | 98.2% |
| Accurate 3100ᴾ | <<locked>> | 100% | 52,765 psi | 90% | 2562 fps | 99.5% |
| Accurate 4064 | <<locked>> | 82% | 51,532 psi | 88% | 2467 fps | 100% |
| Accurate 4350 | <<locked>> | 90% | 51,503 psi | 88% | 2556 fps | 99.9% |
| ADI AR 2208 | <<locked>> | 84% | 51,619 psi | 88% | 2493 fps | 100% |
| ADI AR 2209 | <<locked>> | 96% | 52,504 psi | 89% | 2592 fps | 97.6% |
| Alliant Power Pro Varmint | <<locked>> | 96% | 52,591 psi | 90% | 2592 fps | 97.7% |
| Alliant Reloder- TS 15.5 | <<locked>> | 84% | 52,286 psi | 89% | 2513 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 82% | 52,591 psi | 90% | 2533 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 92% | 52,460 psi | 89% | 2608 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 86% | 49,748 psi | 85% | 2579 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 96% | 51,909 psi | 88% | 2585 fps | 97.6% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 52,475 psi | 89% | 2638 fps | 97.9% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 49,516 psi | 84% | 2575 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 43,207 psi | 74% | 2507 fps | 98.8% |
| Alliant Reloder-26 | <<locked>> | 98% | 52,750 psi | 90% | 2700 fps | 100% |
| Bofors RP15ᴾ | <<locked>> | 100% | 48,109 psi | 82% | 2566 fps | 96.8% |
| Bofors RP3 | <<locked>> | 84% | 52,707 psi | 90% | 2526 fps | 100% |
| Bofors RP5ᴾ | <<locked>> | 100% | 52,475 psi | 89% | 2638 fps | 97.9% |
| Bofors RP7 | <<locked>> | 88% | 52,301 psi | 89% | 2510 fps | 98.5% |
| Hodgdon H380 | <<locked>> | 84% | 53,113 psi | 90% | 2539 fps | 99.9% |
| Hodgdon H414 | <<locked>> | 88% | 50,415 psi | 86% | 2552 fps | 98.7% |
| Hodgdon H4350 | <<locked>> | 86% | 50,604 psi | 86% | 2516 fps | 97.6% |
| Hodgdon Hybrid 100V | <<locked>> | 94% | 52,634 psi | 90% | 2543 fps | 100% |
| Hodgdon Superformance | <<locked>> | 88% | 49,995 psi | 85% | 2582 fps | 98.4% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,361 psi | 62% | 1572 fps | 100% |
| IMR 4064 | <<locked>> | 82% | 51,010 psi | 87% | 2474 fps | 100% |
| IMR 4350 | <<locked>> | 92% | 53,084 psi | 90% | 2543 fps | 98.6% |
| IMR 4451 Enduron | <<locked>> | 86% | 50,923 psi | 87% | 2490 fps | 98.6% |
| IMR 4831 | <<locked>> | 92% | 52,185 psi | 89% | 2552 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 96% | 52,170 psi | 89% | 2530 fps | 95.8% |
| IMR 7828 SSCᴾ | <<locked>> | 100% | 51,039 psi | 87% | 2612 fps | 96.1% |
| Lovex S062 | <<locked>> | 82% | 51,227 psi | 87% | 2470 fps | 100% |
| Lovex S065 | <<locked>> | 88% | 50,923 psi | 87% | 2490 fps | 99.4% |
| Lovex S070 | <<locked>> | 90% | 51,953 psi | 88% | 2526 fps | 99% |
| Lovex S071ᴾ | <<locked>> | 100% | 43,859 psi | 75% | 2425 fps | 98.2% |
| Norma 203B | <<locked>> | 82% | 51,924 psi | 88% | 2520 fps | 100% |
| Norma 204 | <<locked>> | 90% | 50,125 psi | 85% | 2533 fps | 97% |
| Norma MRP | <<locked>> | 98% | 51,822 psi | 88% | 2657 fps | 98.9% |
| Norma URP | <<locked>> | 90% | 50,647 psi | 86% | 2546 fps | 99.9% |
| Ramshot Big Game | <<locked>> | 82% | 52,272 psi | 89% | 2543 fps | 100% |
| Ramshot Grandᴾ | <<locked>> | 100% | 51,329 psi | 87% | 2625 fps | 96.5% |
| Ramshot Hunter | <<locked>> | 92% | 52,765 psi | 90% | 2595 fps | 99.5% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 45,600 psi | 78% | 2510 fps | 96.9% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,130 psi | 63% | 1611 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 82% | 50,024 psi | 85% | 2477 fps | 98.9% |
| ReloadSwiss RS 60 | <<locked>> | 86% | 52,881 psi | 90% | 2621 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 90% | 51,372 psi | 87% | 2579 fps | 99.9% |
| ReloadSwiss RS 70 | <<locked>> | 90% | 49,748 psi | 85% | 2598 fps | 99.8% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 42,134 psi | 72% | 2523 fps | 96.8% |
| Rottweil R 902 | <<locked>> | 82% | 53,098 psi | 90% | 2480 fps | 100% |
| Rottweil R 903 | <<locked>> | 86% | 52,924 psi | 90% | 2523 fps | 100% |
| Rottweil R 904 | <<locked>> | 94% | 51,082 psi | 87% | 2520 fps | 96.2% |
| Rottweil R 905 | <<locked>> | 96% | 51,039 psi | 87% | 2569 fps | 97.6% |
| Rottweil R 907 | <<locked>> | 88% | 52,301 psi | 89% | 2510 fps | 98.5% |
| Shooters World Long Rifle | <<locked>> | 88% | 50,923 psi | 87% | 2490 fps | 99.4% |
| Shooters World Precision | <<locked>> | 82% | 51,227 psi | 87% | 2470 fps | 100% |
| Shooters World SW4350 | <<locked>> | 90% | 51,953 psi | 88% | 2526 fps | 99% |
| SNPE Vectan SP 11 | <<locked>> | 84% | 50,865 psi | 87% | 2526 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 84% | 50,836 psi | 87% | 2382 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 88% | 50,212 psi | 85% | 2441 fps | 98.6% |
| SNPE Vectan Tubal 8000 | <<locked>> | 96% | 50,589 psi | 86% | 2566 fps | 97.5% |
| Somchem S355 | <<locked>> | 86% | 52,982 psi | 90% | 2520 fps | 100% |
| Somchem S365 | <<locked>> | 94% | 52,953 psi | 90% | 2595 fps | 100% |
| Somchem S385 | <<locked>> | 96% | 51,822 psi | 88% | 2552 fps | 98.4% |
| Vihtavuori N150 | <<locked>> | 86% | 50,807 psi | 86% | 2454 fps | 100% |
| Vihtavuori N160 | <<locked>> | 90% | 52,518 psi | 89% | 2539 fps | 99.9% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 50,966 psi | 87% | 2530 fps | 97.9% |
| Vihtavuori N540 | <<locked>> | 82% | 51,793 psi | 88% | 2454 fps | 100% |
| Vihtavuori N550 | <<locked>> | 90% | 51,706 psi | 88% | 2546 fps | 99.9% |
| Vihtavuori N555 | <<locked>> | 98% | 52,185 psi | 89% | 2602 fps | 100% |
| Vihtavuori N560 | <<locked>> | 98% | 52,315 psi | 89% | 2648 fps | 96% |
| Winchester 6.5 StaBALL | <<locked>> | 90% | 52,011 psi | 89% | 2516 fps | 100% |
| Winchester 760 | <<locked>> | 88% | 50,415 psi | 86% | 2552 fps | 98.7% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 44,744 psi | 76% | 2631 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 98% | 51,532 psi | 88% | 2543 fps | 97.4% |
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% | 48,907 psi | 83% | 2425 fps | 97.7% |
| Accurate 3100 | <<locked>> | 88% | 35,186 psi | 60% | 2257 fps | 95.8% |
| Accurate 4064 | <<locked>> | 80% | 48,341 psi | 82% | 2421 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 36,825 psi | 63% | 2303 fps | 98% |
| ADI AR 2208 | <<locked>> | 80% | 45,730 psi | 78% | 2398 fps | 99.8% |
| ADI AR 2209 | <<locked>> | 90% | 43,439 psi | 74% | 2438 fps | 95.4% |
| Alliant Power Pro Varmint | <<locked>> | 90% | 43,352 psi | 74% | 2434 fps | 95.5% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 45,992 psi | 78% | 2418 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 49,371 psi | 84% | 2484 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 80% | 35,897 psi | 61% | 2310 fps | 98.1% |
| Alliant Reloder-17 | <<locked>> | 80% | 40,567 psi | 69% | 2421 fps | 99.9% |
| Alliant Reloder-19 | <<locked>> | 90% | 42,859 psi | 73% | 2428 fps | 95.4% |
| Alliant Reloder-22 | <<locked>> | 94% | 43,120 psi | 73% | 2477 fps | 95.6% |
| Alliant Reloder-23 | <<locked>> | 80% | 26,310 psi | 45% | 2087 fps | 95.6% |
| Alliant Reloder-25 | <<locked>> | 92% | 33,562 psi | 57% | 2293 fps | 95.6% |
| Alliant Reloder-26 | 49.4 gr | 84% | 32,010 psi | 54% | 2293 fps | 95.9% |
| Bofors RP15 | <<locked>> | 96% | 42,279 psi | 72% | 2457 fps | 95.2% |
| Bofors RP3 | <<locked>> | 80% | 46,267 psi | 79% | 2428 fps | 100% |
| Bofors RP5 | <<locked>> | 94% | 43,120 psi | 73% | 2477 fps | 95.6% |
| Bofors RP7 | <<locked>> | 80% | 40,799 psi | 69% | 2313 fps | 95.9% |
| Hodgdon H380 | <<locked>> | 80% | 46,731 psi | 80% | 2441 fps | 99.4% |
| Hodgdon H414 | <<locked>> | 80% | 38,682 psi | 66% | 2343 fps | 95.9% |
| Hodgdon H4350 | <<locked>> | 80% | 41,582 psi | 71% | 2359 fps | 95.4% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 33,402 psi | 57% | 2215 fps | 98.6% |
| Hodgdon Superformance | <<locked>> | 82% | 40,248 psi | 69% | 2405 fps | 95.9% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,122 psi | 46% | 1401 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 48,124 psi | 82% | 2431 fps | 100% |
| IMR 4350 | <<locked>> | 82% | 38,972 psi | 66% | 2300 fps | 95.4% |
| IMR 4451 Enduron | <<locked>> | 80% | 42,206 psi | 72% | 2339 fps | 96.8% |
| IMR 4831 | <<locked>> | 80% | 35,447 psi | 60% | 2260 fps | 97.7% |
| IMR 4955 Enduron | <<locked>> | 94% | 49,037 psi | 83% | 2480 fps | 95% |
| IMR 7828 SSC | <<locked>> | 98% | 47,747 psi | 81% | 2552 fps | 95.1% |
| Lovex S062 | <<locked>> | 80% | 48,341 psi | 82% | 2428 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 39,856 psi | 68% | 2300 fps | 97.6% |
| Lovex S070 | <<locked>> | 80% | 38,101 psi | 65% | 2280 fps | 96% |
| Lovex S071 | <<locked>> | 92% | 34,127 psi | 58% | 2234 fps | 95.4% |
| Norma 203B | <<locked>> | 80% | 48,733 psi | 83% | 2474 fps | 100% |
| Norma 204 | <<locked>> | 86% | 44,005 psi | 75% | 2431 fps | 95.5% |
| Norma MRP | 50.2 gr | 88% | 36,883 psi | 63% | 2375 fps | 95% |
| Norma URP | <<locked>> | 80% | 36,637 psi | 62% | 2297 fps | 97.9% |
| Ramshot Big Game | <<locked>> | 80% | 48,762 psi | 83% | 2490 fps | 100% |
| Ramshot Grand | <<locked>> | 98% | 47,921 psi | 82% | 2566 fps | 95.6% |
| Ramshot Hunter | <<locked>> | 80% | 35,476 psi | 60% | 2283 fps | 95.8% |
| Ramshot Magnum | <<locked>> | 96% | 39,537 psi | 67% | 2395 fps | 95% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,673 psi | 47% | 1437 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 46,717 psi | 80% | 2425 fps | 98.4% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 43,091 psi | 73% | 2470 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 36,521 psi | 62% | 2320 fps | 97.7% |
| ReloadSwiss RS 70 | 46.6 gr | 80% | 35,404 psi | 60% | 2320 fps | 96.9% |
| ReloadSwiss RS 76 | <<locked>> | 98% | 39,262 psi | 67% | 2461 fps | 95.7% |
| Rottweil R 902 | <<locked>> | 80% | 50,140 psi | 85% | 2438 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 43,743 psi | 74% | 2385 fps | 100% |
| Rottweil R 904 | <<locked>> | 92% | 47,877 psi | 82% | 2467 fps | 95.4% |
| Rottweil R 905 | <<locked>> | 90% | 42,076 psi | 72% | 2418 fps | 95.4% |
| Rottweil R 907 | <<locked>> | 80% | 40,799 psi | 69% | 2313 fps | 95.9% |
| Shooters World Long Rifle | <<locked>> | 80% | 39,856 psi | 68% | 2300 fps | 97.6% |
| Shooters World Precision | <<locked>> | 80% | 48,341 psi | 82% | 2428 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 38,101 psi | 65% | 2280 fps | 96% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 44,759 psi | 76% | 2431 fps | 99.9% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 45,150 psi | 77% | 2303 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 39,102 psi | 67% | 2251 fps | 96.1% |
| SNPE Vectan Tubal 8000 | <<locked>> | 90% | 41,684 psi | 71% | 2411 fps | 95.2% |
| Somchem S355 | <<locked>> | 80% | 44,005 psi | 75% | 2382 fps | 100% |
| Somchem S365 | <<locked>> | 80% | 33,011 psi | 56% | 2257 fps | 99.5% |
| Somchem S385 | <<locked>> | 88% | 40,045 psi | 68% | 2352 fps | 95.6% |
| Vihtavuori N150 | <<locked>> | 80% | 42,076 psi | 72% | 2323 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 38,101 psi | 65% | 2300 fps | 98.2% |
| Vihtavuori N165 | <<locked>> | 94% | 41,843 psi | 71% | 2379 fps | 95.7% |
| Vihtavuori N540 | <<locked>> | 80% | 48,660 psi | 83% | 2411 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 37,405 psi | 64% | 2297 fps | 97.8% |
| Vihtavuori N555 | <<locked>> | 80% | 28,863 psi | 49% | 2156 fps | 95.8% |
| Vihtavuori N560 | <<locked>> | 96% | 49,008 psi | 83% | 2592 fps | 95.1% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 37,101 psi | 63% | 2270 fps | 99.5% |
| Winchester 760 | <<locked>> | 80% | 38,682 psi | 66% | 2343 fps | 95.9% |
| Winchester StaBALL HD | <<locked>> | 84% | 26,324 psi | 45% | 2165 fps | 96.4% |
| Winchester Supreme 780 | <<locked>> | 92% | 42,090 psi | 72% | 2385 fps | 95% |
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 Exp. Rem. loaded with the .284 | 174gr | Prvi Partizan FMJ BT. Alliant Reloder-26 delivers the highest muzzle velocity at 2,700 fps; across all powders the maximum-charge window runs from 1,572 fps to 2,700 fps. Accurate 3100 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 (405 MPa), the top charges use 62–90 %, leaving at least 10 % headroom. The 174.0 gr projectile in 0.284" calls for a 1:12.0 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 FMJ BT 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.