Load Specifications
Load data in caliber 7 x 72 R with .284 | 160gr | Reichenberg Mag Drückjagd bullet and 21 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Somchem S365, Hodgdon Hybrid 100V and Winchester 6.5 StaBALL.
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: 25.6"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 4064 | <<locked>> | 82% | 36,448 psi | 90% | 2320 fps | 99.9% |
| Accurate 4350 | <<locked>> | 92% | 36,564 psi | 90% | 2385 fps | 96.2% |
| ADI AR 2208 | <<locked>> | 82% | 36,216 psi | 89% | 2283 fps | 96.6% |
| Alliant Reloder- TS 15.5 | <<locked>> | 82% | 35,302 psi | 87% | 2300 fps | 98% |
| Alliant Reloder-17 | <<locked>> | 86% | 34,896 psi | 86% | 2372 fps | 97.4% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 33,808 psi | 83% | 2349 fps | 96.8% |
| Bofors RP3 | <<locked>> | 82% | 34,824 psi | 86% | 2306 fps | 98% |
| Hodgdon Hybrid 100V | <<locked>> | 94% | 36,492 psi | 90% | 2349 fps | 97.8% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 34,882 psi | 86% | 1539 fps | 100% |
| IMR 4064 | <<locked>> | 82% | 35,476 psi | 87% | 2260 fps | 96.6% |
| IMR 4831 | <<locked>> | 96% | 36,201 psi | 89% | 2359 fps | 96.2% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,331 psi | 87% | 1578 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 84% | 34,809 psi | 86% | 2382 fps | 99.3% |
| Rottweil R 903 | <<locked>> | 84% | 34,983 psi | 86% | 2303 fps | 97.8% |
| SNPE Vectan SP 11 | <<locked>> | 84% | 36,056 psi | 89% | 2346 fps | 97.2% |
| SNPE Vectan Tubal 5000 | <<locked>> | 82% | 35,694 psi | 88% | 2218 fps | 100% |
| Somchem S355 | <<locked>> | 84% | 36,013 psi | 89% | 2306 fps | 97.8% |
| Somchem S365 | <<locked>> | 94% | 35,534 psi | 88% | 2395 fps | 98.9% |
| Vihtavuori N150 | <<locked>> | 90% | 36,695 psi | 90% | 2303 fps | 99% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 35,926 psi | 88% | 2421 fps | 96.8% |
| Winchester 6.5 StaBALL | <<locked>> | 88% | 34,911 psi | 86% | 2280 fps | 97.4% |
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 4064 | <<locked>> | 80% | 33,997 psi | 84% | 2270 fps | 99.7% |
| Accurate 4350 | <<locked>> | 90% | 34,287 psi | 84% | 2339 fps | 95.5% |
| ADI AR 2208 | <<locked>> | 80% | 34,098 psi | 84% | 2238 fps | 95.8% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 33,185 psi | 82% | 2254 fps | 97.4% |
| Alliant Reloder-17 | <<locked>> | 82% | 30,589 psi | 75% | 2264 fps | 95.6% |
| Alliant Reloder-23 | <<locked>> | 98% | 31,908 psi | 79% | 2303 fps | 96% |
| Bofors RP3 | <<locked>> | 80% | 32,445 psi | 80% | 2254 fps | 97.3% |
| Hodgdon Hybrid 100V | 35.9 gr | 88% | 30,240 psi | 74% | 2205 fps | 95.6% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,049 psi | 64% | 1378 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 33,373 psi | 82% | 2215 fps | 95.9% |
| IMR 4831 | <<locked>> | 94% | 34,040 psi | 84% | 2313 fps | 95.4% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,252 psi | 65% | 1407 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 30,516 psi | 75% | 2274 fps | 98.1% |
| Rottweil R 903 | <<locked>> | 80% | 30,632 psi | 75% | 2205 fps | 96.3% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 31,792 psi | 78% | 2251 fps | 95.7% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 33,518 psi | 83% | 2175 fps | 99.9% |
| Somchem S355 | <<locked>> | 80% | 31,647 psi | 78% | 2211 fps | 96.4% |
| Somchem S365 | 35.3 gr | 84% | 26,049 psi | 64% | 2149 fps | 95.1% |
| Vihtavuori N150 | <<locked>> | 80% | 27,122 psi | 67% | 2087 fps | 96.2% |
| Vihtavuori N555 | <<locked>> | 96% | 31,560 psi | 78% | 2320 fps | 95.1% |
| Winchester 6.5 StaBALL | 38.2 gr | 84% | 30,777 psi | 76% | 2185 fps | 95.8% |
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 46 powders for 7 x 72 R loaded with the .284 | 160gr | Reichenberg Mag Drückjagd. Vihtavuori N555 delivers the highest muzzle velocity at 2,421 fps; across all powders the maximum-charge window runs from 1,539 fps to 2,421 fps. Accurate 3100 gives the best case fill at 100 %, and 46 of the 46 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (280 MPa), the top charges use 74–90 %, leaving at least 10 % headroom. The 160.0 gr projectile in 0.284" calls for a 1:11.0 twist; slower twists will usually not stabilise this weight. Accurate 3100, Alliant Reloder-23, Hodgdon TrailBoss 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. Somchem S365, Hodgdon Hybrid 100V, Winchester 6.5 StaBALL rank at the top here: for 7 x 72 R with the .284 | 160gr | Reichenberg Mag Drückjagd they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, Accurate 3100, Alliant Reloder-26, Bofors RP7 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.