Load Specifications
Load data in caliber 7 x 72 R with .284 | 157gr | CutEdge MTAC bullet and 32 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 60, Alliant Reloder-17 and Somchem S365.
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.
A valid access license is required to use the Personalized Load Calculator.
You can find more information in our FAQ: How can I use the Personalized Load Calculator?
Max Load - Barrel Length: 25.6"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2495 | <<locked>> | 84% | 35,534 psi | 88% | 2290 fps | 100% |
| Accurate 4064 | <<locked>> | 86% | 35,897 psi | 88% | 2323 fps | 99.7% |
| Alliant Reloder- TS 15.5 | <<locked>> | 86% | 35,752 psi | 88% | 2316 fps | 97.5% |
| Alliant Reloder-15 | <<locked>> | 84% | 36,158 psi | 89% | 2323 fps | 96.1% |
| Alliant Reloder-17 | <<locked>> | 90% | 35,259 psi | 87% | 2379 fps | 96.6% |
| Bofors RP3 | <<locked>> | 86% | 34,838 psi | 86% | 2313 fps | 97.4% |
| Hodgdon Hybrid 100V | <<locked>> | 98% | 36,666 psi | 90% | 2352 fps | 97.1% |
| Hodgdon LEVERevolution | <<locked>> | 84% | 36,695 psi | 90% | 2369 fps | 97.8% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 34,156 psi | 84% | 1519 fps | 100% |
| Hodgdon VARGET | <<locked>> | 84% | 36,492 psi | 90% | 2297 fps | 97.2% |
| IMR 3031 | <<locked>> | 84% | 36,434 psi | 90% | 2343 fps | 100% |
| IMR 4064 | <<locked>> | 86% | 35,897 psi | 88% | 2274 fps | 96% |
| IMR 4895 | <<locked>> | 82% | 34,606 psi | 85% | 2303 fps | 96.3% |
| Lovex D073.6 | <<locked>> | 82% | 36,114 psi | 89% | 2320 fps | 99.2% |
| Lovex S062 | <<locked>> | 84% | 35,694 psi | 88% | 2283 fps | 97.9% |
| Norma 203B | <<locked>> | 84% | 35,491 psi | 87% | 2313 fps | 96.5% |
| Ramshot Big Game | <<locked>> | 84% | 35,201 psi | 87% | 2323 fps | 96% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 34,505 psi | 85% | 1558 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 88% | 35,375 psi | 87% | 2392 fps | 98.9% |
| Rottweil R 902 | <<locked>> | 82% | 35,476 psi | 87% | 2257 fps | 97.7% |
| Rottweil R 903 | <<locked>> | 88% | 34,751 psi | 86% | 2306 fps | 97.1% |
| Shooters World Match Rifle | <<locked>> | 82% | 36,114 psi | 89% | 2320 fps | 99.2% |
| Shooters World Precision | <<locked>> | 84% | 35,694 psi | 88% | 2283 fps | 97.9% |
| SNPE Vectan SP 11 | <<locked>> | 88% | 36,492 psi | 90% | 2359 fps | 96.6% |
| SNPE Vectan Tubal 5000 | <<locked>> | 86% | 36,535 psi | 90% | 2238 fps | 99.9% |
| Somchem S355 | <<locked>> | 88% | 35,969 psi | 89% | 2313 fps | 97.2% |
| Somchem S365 | <<locked>> | 98% | 35,302 psi | 87% | 2388 fps | 98.2% |
| Vihtavuori N135 | <<locked>> | 84% | 36,521 psi | 90% | 2293 fps | 100% |
| Vihtavuori N140 | <<locked>> | 82% | 34,896 psi | 86% | 2251 fps | 99.6% |
| Vihtavuori N150 | <<locked>> | 92% | 34,606 psi | 85% | 2267 fps | 98.1% |
| Vihtavuori N540 | <<locked>> | 82% | 34,519 psi | 85% | 2267 fps | 99.3% |
| Winchester 6.5 StaBALL | <<locked>> | 92% | 35,737 psi | 88% | 2293 fps | 96.8% |
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 2495 | <<locked>> | 80% | 31,140 psi | 77% | 2201 fps | 100% |
| Accurate 4064 | <<locked>> | 80% | 29,515 psi | 73% | 2188 fps | 98.7% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 29,167 psi | 72% | 2172 fps | 95.2% |
| Alliant Reloder-15 | <<locked>> | 82% | 33,866 psi | 83% | 2274 fps | 95.3% |
| Alliant Reloder-17 | 36.5 gr | 88% | 33,069 psi | 81% | 2326 fps | 95.7% |
| Bofors RP3 | <<locked>> | 80% | 28,326 psi | 70% | 2165 fps | 95% |
| Hodgdon Hybrid 100V | <<locked>> | 94% | 32,416 psi | 80% | 2257 fps | 95.6% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 31,966 psi | 79% | 2264 fps | 96.3% |
| Hodgdon TrailBoss | <<locked>> | 80% | 25,454 psi | 63% | 1358 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 32,227 psi | 79% | 2205 fps | 95.8% |
| IMR 3031 | <<locked>> | 80% | 31,894 psi | 79% | 2251 fps | 99.8% |
| IMR 4064 | <<locked>> | 84% | 33,852 psi | 83% | 2231 fps | 95.3% |
| IMR 4895 | <<locked>> | 80% | 32,372 psi | 80% | 2251 fps | 95.5% |
| Lovex D073.6 | <<locked>> | 80% | 33,736 psi | 83% | 2274 fps | 98.8% |
| Lovex S062 | <<locked>> | 80% | 31,502 psi | 78% | 2192 fps | 96.6% |
| Norma 203B | <<locked>> | 82% | 33,214 psi | 82% | 2264 fps | 95.7% |
| Ramshot Big Game | <<locked>> | 82% | 32,764 psi | 81% | 2267 fps | 95.1% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 25,570 psi | 63% | 1391 fps | 100% |
| ReloadSwiss RS 60 | 33.2 gr | 80% | 27,224 psi | 67% | 2178 fps | 95.5% |
| Rottweil R 902 | <<locked>> | 80% | 33,199 psi | 82% | 2208 fps | 97.1% |
| Rottweil R 903 | <<locked>> | 84% | 30,545 psi | 75% | 2211 fps | 95.6% |
| Shooters World Match Rifle | <<locked>> | 80% | 33,736 psi | 83% | 2274 fps | 98.8% |
| Shooters World Precision | <<locked>> | 80% | 31,502 psi | 78% | 2192 fps | 96.6% |
| SNPE Vectan SP 11 | <<locked>> | 86% | 34,229 psi | 84% | 2306 fps | 95.8% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 30,023 psi | 74% | 2106 fps | 99.1% |
| Somchem S355 | <<locked>> | 84% | 31,778 psi | 78% | 2221 fps | 95.7% |
| Somchem S365 | 36.2 gr | 92% | 29,327 psi | 72% | 2244 fps | 95.9% |
| Vihtavuori N135 | <<locked>> | 80% | 31,995 psi | 79% | 2208 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 32,605 psi | 80% | 2205 fps | 99.2% |
| Vihtavuori N150 | <<locked>> | 84% | 26,818 psi | 66% | 2090 fps | 95.3% |
| Vihtavuori N540 | <<locked>> | 80% | 32,300 psi | 80% | 2221 fps | 98.8% |
| Winchester 6.5 StaBALL | <<locked>> | 88% | 31,343 psi | 77% | 2192 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 32 powders for 7 x 72 R loaded with the .284 | 157gr | CutEdge MTAC. ReloadSwiss RS 60 delivers the highest muzzle velocity at 2,392 fps; across all powders the maximum-charge window runs from 1,519 fps to 2,392 fps. Hodgdon TrailBoss gives the best case fill at 100 %, and 32 of the 32 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (280 MPa), the top charges use 84–90 %, leaving at least 10 % headroom. The 157.0 gr projectile in 0.284" calls for a 1:9.0 twist; slower twists will usually not stabilise this weight. 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. ReloadSwiss RS 60, Alliant Reloder-17, Somchem S365 rank at the top here: for 7 x 72 R with the .284 | 157gr | CutEdge MTAC 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.