Load Specifications
Load data in caliber 7 x 72 R with .284 | 168gr | Berger VLD Hunting bullet and 25 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% | 35,911 psi | 88% | 2234 fps | 99.9% |
| Accurate 4350 | <<locked>> | 92% | 36,100 psi | 89% | 2303 fps | 96.4% |
| ADI AR 2208 | <<locked>> | 82% | 36,027 psi | 89% | 2208 fps | 96.7% |
| Alliant Reloder- TS 15.5 | <<locked>> | 82% | 35,157 psi | 87% | 2224 fps | 98.1% |
| Alliant Reloder-17 | <<locked>> | 86% | 34,432 psi | 85% | 2290 fps | 97.5% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 33,475 psi | 82% | 2270 fps | 96.9% |
| Bofors RP3 | <<locked>> | 82% | 34,476 psi | 85% | 2224 fps | 98.1% |
| Hodgdon Hybrid 100V | <<locked>> | 94% | 36,013 psi | 89% | 2267 fps | 97.9% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 34,824 psi | 86% | 1480 fps | 100% |
| IMR 4064 | <<locked>> | 82% | 35,157 psi | 87% | 2182 fps | 96.7% |
| IMR 4831 | <<locked>> | 96% | 35,795 psi | 88% | 2280 fps | 96.3% |
| Ramshot Big Game | <<locked>> | 82% | 36,666 psi | 90% | 2280 fps | 97.5% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,317 psi | 87% | 1519 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 86% | 36,709 psi | 90% | 2349 fps | 99.7% |
| ReloadSwiss RS 62 | <<locked>> | 92% | 36,230 psi | 89% | 2323 fps | 95.9% |
| Rottweil R 903 | <<locked>> | 84% | 34,664 psi | 85% | 2224 fps | 97.9% |
| SNPE Vectan SP 11 | <<locked>> | 84% | 35,694 psi | 88% | 2264 fps | 97.3% |
| SNPE Vectan Tubal 5000 | <<locked>> | 82% | 35,375 psi | 87% | 2139 fps | 100% |
| Somchem S355 | <<locked>> | 84% | 35,679 psi | 88% | 2228 fps | 97.9% |
| Somchem S365 | <<locked>> | 94% | 34,925 psi | 86% | 2310 fps | 98.9% |
| Vihtavuori N150 | <<locked>> | 90% | 36,521 psi | 90% | 2228 fps | 99.1% |
| Vihtavuori N160 | <<locked>> | 88% | 35,766 psi | 88% | 2247 fps | 95.8% |
| Vihtavuori N550 | <<locked>> | 88% | 35,781 psi | 88% | 2283 fps | 95.8% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 35,534 psi | 88% | 2339 fps | 96.9% |
| Winchester 6.5 StaBALL | <<locked>> | 88% | 34,461 psi | 85% | 2201 fps | 97.5% |
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% | 33,692 psi | 83% | 2192 fps | 99.8% |
| Accurate 4350 | <<locked>> | 90% | 33,692 psi | 83% | 2254 fps | 95.6% |
| ADI AR 2208 | <<locked>> | 80% | 33,808 psi | 83% | 2159 fps | 96% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 32,924 psi | 81% | 2178 fps | 97.5% |
| Alliant Reloder-17 | <<locked>> | 82% | 30,240 psi | 74% | 2185 fps | 95.7% |
| Alliant Reloder-23 | <<locked>> | 96% | 29,689 psi | 73% | 2175 fps | 95.1% |
| Bofors RP3 | <<locked>> | 80% | 32,300 psi | 80% | 2178 fps | 97.5% |
| Hodgdon Hybrid 100V | 34.2 gr | 88% | 30,081 psi | 74% | 2136 fps | 95.8% |
| Hodgdon TrailBoss | <<locked>> | 80% | 25,889 psi | 64% | 1319 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 32,967 psi | 81% | 2136 fps | 96% |
| IMR 4831 | <<locked>> | 94% | 33,576 psi | 83% | 2231 fps | 95.5% |
| Ramshot Big Game | <<locked>> | 80% | 34,171 psi | 84% | 2228 fps | 96.7% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,121 psi | 64% | 1352 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 30,284 psi | 75% | 2198 fps | 98.3% |
| ReloadSwiss RS 62 | <<locked>> | 90% | 34,040 psi | 84% | 2274 fps | 95% |
| Rottweil R 903 | <<locked>> | 80% | 30,429 psi | 75% | 2133 fps | 96.5% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 31,546 psi | 78% | 2172 fps | 95.8% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 33,388 psi | 82% | 2100 fps | 99.9% |
| Somchem S355 | <<locked>> | 80% | 31,386 psi | 77% | 2136 fps | 96.6% |
| Somchem S365 | 33.6 gr | 84% | 25,817 psi | 64% | 2077 fps | 95.3% |
| Vihtavuori N150 | <<locked>> | 80% | 26,774 psi | 66% | 2014 fps | 96.3% |
| Vihtavuori N160 | <<locked>> | 86% | 33,591 psi | 83% | 2201 fps | 95% |
| Vihtavuori N550 | <<locked>> | 86% | 33,634 psi | 83% | 2238 fps | 95% |
| Vihtavuori N555 | <<locked>> | 96% | 31,299 psi | 77% | 2244 fps | 95.3% |
| Winchester 6.5 StaBALL | 36.3 gr | 84% | 30,414 psi | 75% | 2110 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 25 powders for 7 x 72 R loaded with the .284 | 168gr | Berger VLD Hunting. ReloadSwiss RS 60 delivers the highest muzzle velocity at 2,349 fps; across all powders the maximum-charge window runs from 1,480 fps to 2,349 fps. Alliant Reloder-23 gives the best case fill at 100 %, and 25 of the 25 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (280 MPa), the top charges use 82–90 %, leaving at least 10 % headroom. The 168.0 gr projectile in 0.284" calls for a 1:10.0 twist; slower twists will usually not stabilise this weight. Alliant Reloder-23, Hodgdon TrailBoss, ReloadSwiss RS 14 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 | 168gr | Berger VLD Hunting 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.