Load Specifications
Load data in caliber 7 x 72 R with .284 | 154gr | Norma Soft Point bullet and 22 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 Vihtavuori N150.
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% | 35,331 psi | 87% | 2346 fps | 99.8% |
| ADI AR 2208 | <<locked>> | 82% | 35,607 psi | 88% | 2316 fps | 95.9% |
| Alliant Reloder- TS 15.5 | <<locked>> | 82% | 34,577 psi | 85% | 2333 fps | 97.4% |
| Alliant Reloder-17 | <<locked>> | 88% | 36,419 psi | 90% | 2451 fps | 97.4% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 32,967 psi | 81% | 2369 fps | 95.9% |
| Bofors RP3 | <<locked>> | 84% | 36,201 psi | 89% | 2382 fps | 98% |
| Hodgdon Hybrid 100V | <<locked>> | 94% | 35,636 psi | 88% | 2375 fps | 97.2% |
| Hodgdon LEVERevolution | <<locked>> | 82% | 35,389 psi | 87% | 2385 fps | 97.7% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 34,911 psi | 86% | 1575 fps | 100% |
| IMR 4064 | <<locked>> | 82% | 34,621 psi | 85% | 2287 fps | 95.9% |
| Norma 203B | <<locked>> | 82% | 36,709 psi | 90% | 2379 fps | 97.1% |
| Ramshot Big Game | <<locked>> | 82% | 36,201 psi | 89% | 2388 fps | 96.7% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,317 psi | 87% | 1614 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 86% | 36,361 psi | 90% | 2464 fps | 99.4% |
| Rottweil R 903 | <<locked>> | 86% | 36,376 psi | 90% | 2379 fps | 97.8% |
| SNPE Vectan SP 11 | <<locked>> | 84% | 35,302 psi | 87% | 2375 fps | 96.5% |
| SNPE Vectan Tubal 5000 | <<locked>> | 82% | 35,085 psi | 86% | 2251 fps | 99.9% |
| Somchem S355 | <<locked>> | 84% | 35,259 psi | 87% | 2339 fps | 97.2% |
| Somchem S365 | <<locked>> | 94% | 34,664 psi | 85% | 2421 fps | 98.3% |
| Vihtavuori N150 | <<locked>> | 90% | 35,940 psi | 89% | 2336 fps | 98.6% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 34,882 psi | 86% | 2441 fps | 95.9% |
| Winchester 6.5 StaBALL | <<locked>> | 90% | 36,376 psi | 90% | 2356 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% | 33,257 psi | 82% | 2303 fps | 99.5% |
| ADI AR 2208 | <<locked>> | 80% | 33,286 psi | 82% | 2264 fps | 95.1% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 32,532 psi | 80% | 2287 fps | 96.8% |
| Alliant Reloder-17 | <<locked>> | 84% | 31,995 psi | 79% | 2343 fps | 95.7% |
| Alliant Reloder-23 | <<locked>> | 98% | 31,154 psi | 77% | 2323 fps | 95% |
| Bofors RP3 | <<locked>> | 80% | 31,734 psi | 78% | 2283 fps | 96.7% |
| Hodgdon Hybrid 100V | 37.1 gr | 90% | 31,415 psi | 77% | 2277 fps | 95.6% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 33,359 psi | 82% | 2339 fps | 97.1% |
| Hodgdon TrailBoss | <<locked>> | 80% | 25,889 psi | 64% | 1404 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 32,590 psi | 80% | 2241 fps | 95.1% |
| Norma 203B | <<locked>> | 80% | 34,330 psi | 85% | 2326 fps | 96.4% |
| Ramshot Big Game | <<locked>> | 80% | 33,924 psi | 84% | 2339 fps | 95.9% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,049 psi | 64% | 1437 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 29,907 psi | 74% | 2300 fps | 97.4% |
| Rottweil R 903 | <<locked>> | 80% | 29,965 psi | 74% | 2234 fps | 95.6% |
| SNPE Vectan SP 11 | <<locked>> | 82% | 33,069 psi | 81% | 2323 fps | 95.7% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 32,982 psi | 81% | 2208 fps | 99.7% |
| Somchem S355 | <<locked>> | 80% | 31,024 psi | 76% | 2241 fps | 95.7% |
| Somchem S365 | 36.5 gr | 86% | 27,006 psi | 67% | 2218 fps | 95% |
| Vihtavuori N150 | 32.2 gr | 80% | 26,397 psi | 65% | 2110 fps | 95.4% |
| Vihtavuori N555 | <<locked>> | 98% | 32,837 psi | 81% | 2395 fps | 95.1% |
| Winchester 6.5 StaBALL | <<locked>> | 86% | 32,082 psi | 79% | 2257 fps | 95.9% |
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 | 154gr | Norma Soft Point. Alliant Reloder-26 delivers the highest muzzle velocity at 2,493 fps; across all powders the maximum-charge window runs from 1,575 fps to 2,493 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 72–90 %, leaving at least 10 % headroom. The 154.0 gr projectile in 0.284" calls for a 1:12.0 twist; slower twists will usually not stabilise this weight. Accurate 3100, Alliant Reloder-23, Alliant Reloder-26 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, Vihtavuori N150 rank at the top here: for 7 x 72 R with the .284 | 154gr | Norma Soft Point they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, Accurate 3100, Alliant Reloder-26, Hodgdon H380 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.