Load Specifications
Load data in caliber 7 mm B.R. Rem. with .284 | 108gr | Reichenberg HDB Universal bullet and 30 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ADI AR 2207, Alliant Reloder-7 and ADI AR 2219.
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: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 1680 | <<locked>> | 94% | 52,866 psi | 90% | 2707 fps | 99.5% |
| Accurate 2015ᴾ | <<locked>> | 100% | 37,855 psi | 64% | 2552 fps | 96.3% |
| Accurate LT-30ᴾ | <<locked>> | 100% | 52,939 psi | 90% | 2694 fps | 97.7% |
| Accurate No. 11 FS | <<locked>> | 82% | 51,721 psi | 88% | 2664 fps | 100% |
| ADI AR 2205 | <<locked>> | 86% | 52,794 psi | 90% | 2595 fps | 100% |
| ADI AR 2207 | <<locked>> | 98% | 50,125 psi | 85% | 2749 fps | 100% |
| ADI AR 2219ᴾ | <<locked>> | 100% | 49,472 psi | 84% | 2776 fps | 97% |
| Alliant AR-Compᴾ | <<locked>> | 100% | 35,404 psi | 60% | 2566 fps | 97.9% |
| Alliant Reloder-10xᴾ | <<locked>> | 100% | 44,063 psi | 75% | 2687 fps | 98.8% |
| Alliant Reloder-7 | <<locked>> | 96% | 50,009 psi | 85% | 2713 fps | 99.6% |
| Baschieri & Pellagri 106ᴾ | <<locked>> | 100% | 50,908 psi | 87% | 2687 fps | 97.7% |
| Hodgdon H4198 | <<locked>> | 96% | 52,040 psi | 89% | 2697 fps | 97.1% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 30,066 psi | 51% | 1614 fps | 100% |
| IMR 4198ᴾ | <<locked>> | 100% | 47,413 psi | 81% | 2684 fps | 99.6% |
| IMR 4227 | <<locked>> | 92% | 52,286 psi | 89% | 2690 fps | 100% |
| Lovex D060 | <<locked>> | 86% | 52,881 psi | 90% | 2730 fps | 99.9% |
| Lovex D063 | <<locked>> | 82% | 52,765 psi | 90% | 2710 fps | 99.9% |
| Lovex S053 | <<locked>> | 94% | 52,953 psi | 90% | 2680 fps | 100% |
| Norma 200ᴾ | <<locked>> | 100% | 50,198 psi | 85% | 2769 fps | 99.8% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 29,704 psi | 51% | 1654 fps | 100% |
| ReloadSwiss RS 36 | <<locked>> | 92% | 51,126 psi | 87% | 2717 fps | 100% |
| Shooters World Blackout | <<locked>> | 82% | 52,765 psi | 90% | 2710 fps | 99.9% |
| Shooters World Buffalo Rifle | <<locked>> | 86% | 52,881 psi | 90% | 2730 fps | 99.9% |
| Shooters World SOCOM | <<locked>> | 84% | 50,517 psi | 86% | 2657 fps | 99.9% |
| SNPE Vectan BA6 1/2 | <<locked>> | 96% | 50,908 psi | 87% | 2503 fps | 100% |
| SNPE Vectan SP 10ᴾ | <<locked>> | 100% | 49,168 psi | 84% | 2772 fps | 95.8% |
| SNPE Vectan SP 3ᴾ | <<locked>> | 100% | 45,832 psi | 78% | 2690 fps | 97.3% |
| Vihtavuori N110 | <<locked>> | 88% | 52,489 psi | 89% | 2595 fps | 100% |
| Vihtavuori N120 | <<locked>> | 98% | 50,357 psi | 86% | 2703 fps | 100% |
| Vihtavuori N130ᴾ | <<locked>> | 100% | 43,076 psi | 73% | 2598 fps | 98.3% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 1680 | <<locked>> | 80% | 33,504 psi | 57% | 2365 fps | 96% |
| Accurate 2015 | <<locked>> | 98% | 35,346 psi | 60% | 2500 fps | 95.5% |
| Accurate LT-30 | <<locked>> | 92% | 41,713 psi | 71% | 2510 fps | 95.4% |
| Accurate No. 11 FS | <<locked>> | 80% | 48,443 psi | 82% | 2618 fps | 100% |
| ADI AR 2205 | <<locked>> | 80% | 44,367 psi | 76% | 2474 fps | 100% |
| ADI AR 2207 | 21.6 gr | 80% | 28,979 psi | 49% | 2349 fps | 98.4% |
| ADI AR 2219 | 28.6 gr | 96% | 43,381 psi | 74% | 2671 fps | 95.5% |
| Alliant AR-Comp | <<locked>> | 94% | 29,501 psi | 50% | 2415 fps | 95.6% |
| Alliant Reloder-10x | <<locked>> | 88% | 30,690 psi | 52% | 2411 fps | 95.3% |
| Alliant Reloder-7 | 22.3 gr | 80% | 30,545 psi | 52% | 2339 fps | 95.7% |
| Baschieri & Pellagri 106 | <<locked>> | 92% | 39,334 psi | 67% | 2493 fps | 95.1% |
| Hodgdon H4198 | <<locked>> | 90% | 43,279 psi | 74% | 2552 fps | 95.1% |
| Hodgdon TrailBoss | <<locked>> | 80% | 22,191 psi | 38% | 1447 fps | 100% |
| IMR 4198 | <<locked>> | 82% | 28,471 psi | 48% | 2283 fps | 95% |
| IMR 4227 | <<locked>> | 80% | 36,347 psi | 62% | 2421 fps | 99% |
| Lovex D060 | <<locked>> | 80% | 44,498 psi | 76% | 2592 fps | 99.1% |
| Lovex D063 | <<locked>> | 80% | 49,385 psi | 84% | 2661 fps | 99.7% |
| Lovex S053 | <<locked>> | 80% | 35,621 psi | 61% | 2402 fps | 100% |
| Norma 200 | <<locked>> | 82% | 28,485 psi | 48% | 2343 fps | 95.3% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 21,654 psi | 37% | 1476 fps | 100% |
| ReloadSwiss RS 36 | <<locked>> | 80% | 35,621 psi | 61% | 2448 fps | 98.8% |
| Shooters World Blackout | <<locked>> | 80% | 49,385 psi | 84% | 2661 fps | 99.7% |
| Shooters World Buffalo Rifle | <<locked>> | 80% | 44,498 psi | 76% | 2592 fps | 99.1% |
| Shooters World SOCOM | <<locked>> | 80% | 44,295 psi | 75% | 2562 fps | 99.5% |
| SNPE Vectan BA6 1/2 | <<locked>> | 80% | 33,388 psi | 57% | 2238 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 98% | 46,122 psi | 79% | 2720 fps | 95% |
| SNPE Vectan SP 3 | <<locked>> | 94% | 38,450 psi | 65% | 2549 fps | 95.3% |
| Vihtavuori N110 | <<locked>> | 80% | 42,076 psi | 72% | 2448 fps | 100% |
| Vihtavuori N120 | <<locked>> | 80% | 29,298 psi | 50% | 2326 fps | 99.3% |
| Vihtavuori N130 | <<locked>> | 90% | 31,981 psi | 54% | 2379 fps | 95.3% |
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 30 powders for 7 mm B.R. Rem. loaded with the .284 | 108gr | Reichenberg HDB Universal. ADI AR 2219 delivers the highest muzzle velocity at 2,776 fps; across all powders the maximum-charge window runs from 1,614 fps to 2,776 fps. Accurate 2015 gives the best case fill at 100 %, and 30 of the 30 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (405 MPa), the top charges use 51–90 %, leaving at least 10 % headroom. The 108.0 gr projectile in 0.284" calls for a 1:13.5 twist; slower twists will usually not stabilise this weight. Accurate 2015, Accurate LT-30, ADI AR 2219 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. ADI AR 2207, Alliant Reloder-7, ADI AR 2219 rank at the top here: for 7 mm B.R. Rem. with the .284 | 108gr | Reichenberg HDB Universal 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.