Load Specifications
Load data in caliber 7 x 72 R with .284 | 150gr | Nosler Ballistic Tip Hunting bullet and 26 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Somchem S365, Vihtavuori N150 and ReloadSwiss RS 14.
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>> | 84% | 35,868 psi | 88% | 2382 fps | 99.7% |
| Alliant Reloder- TS 15.5 | <<locked>> | 84% | 35,230 psi | 87% | 2369 fps | 97.2% |
| Alliant Reloder-17 | <<locked>> | 88% | 34,693 psi | 85% | 2428 fps | 96.2% |
| Bofors RP3 | <<locked>> | 84% | 34,374 psi | 85% | 2365 fps | 97.1% |
| Hodgdon Hybrid 100V | <<locked>> | 96% | 36,013 psi | 89% | 2402 fps | 96.7% |
| Hodgdon LEVERevolution | <<locked>> | 82% | 35,911 psi | 88% | 2415 fps | 97.4% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 34,737 psi | 86% | 1585 fps | 100% |
| Hodgdon VARGET | <<locked>> | 82% | 35,940 psi | 89% | 2349 fps | 96.9% |
| IMR 3031 | <<locked>> | 82% | 35,810 psi | 88% | 2395 fps | 100% |
| IMR 4895 | <<locked>> | 82% | 36,434 psi | 90% | 2405 fps | 96.7% |
| Lovex S062 | <<locked>> | 82% | 35,360 psi | 87% | 2339 fps | 97.6% |
| Norma 203B | <<locked>> | 82% | 34,983 psi | 86% | 2365 fps | 96.1% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 34,780 psi | 86% | 1617 fps | 100% |
| ReloadSwiss RS 52 | <<locked>> | 82% | 36,709 psi | 90% | 2461 fps | 96% |
| ReloadSwiss RS 60 | <<locked>> | 86% | 34,650 psi | 85% | 2441 fps | 98.6% |
| Rottweil R 903 | <<locked>> | 86% | 34,577 psi | 85% | 2362 fps | 96.8% |
| Shooters World Precision | <<locked>> | 82% | 35,360 psi | 87% | 2339 fps | 97.6% |
| SNPE Vectan SP 11 | <<locked>> | 86% | 35,839 psi | 88% | 2408 fps | 96.2% |
| SNPE Vectan Tubal 5000 | <<locked>> | 84% | 35,621 psi | 88% | 2283 fps | 99.8% |
| Somchem S355 | <<locked>> | 86% | 35,723 psi | 88% | 2372 fps | 96.9% |
| Somchem S365 | <<locked>> | 96% | 34,983 psi | 86% | 2448 fps | 98% |
| Vihtavuori N135 | <<locked>> | 82% | 35,882 psi | 88% | 2346 fps | 100% |
| Vihtavuori N140 | <<locked>> | 82% | 36,434 psi | 90% | 2343 fps | 99.7% |
| Vihtavuori N150 | <<locked>> | 92% | 36,448 psi | 90% | 2365 fps | 98.3% |
| Vihtavuori N540 | <<locked>> | 82% | 36,216 psi | 89% | 2365 fps | 99.4% |
| Winchester 6.5 StaBALL | <<locked>> | 90% | 34,911 psi | 86% | 2336 fps | 96.3% |
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% | 31,430 psi | 77% | 2287 fps | 98.9% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 30,806 psi | 76% | 2267 fps | 95.6% |
| Alliant Reloder-17 | <<locked>> | 86% | 32,489 psi | 80% | 2372 fps | 95.2% |
| Bofors RP3 | <<locked>> | 80% | 30,052 psi | 74% | 2264 fps | 95.5% |
| Hodgdon Hybrid 100V | <<locked>> | 92% | 31,923 psi | 79% | 2306 fps | 95.1% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 33,765 psi | 83% | 2369 fps | 96.7% |
| Hodgdon TrailBoss | <<locked>> | 80% | 25,541 psi | 63% | 1411 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 33,779 psi | 83% | 2303 fps | 96.2% |
| IMR 3031 | <<locked>> | 80% | 33,504 psi | 83% | 2346 fps | 99.9% |
| IMR 4895 | <<locked>> | 80% | 34,287 psi | 84% | 2356 fps | 95.9% |
| Lovex S062 | <<locked>> | 80% | 33,257 psi | 82% | 2293 fps | 97% |
| Norma 203B | <<locked>> | 80% | 32,924 psi | 81% | 2316 fps | 95.4% |
| ReloadSwiss RS 14 | 11.5 gr | 80% | 26,005 psi | 64% | 1450 fps | 100% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 34,447 psi | 85% | 2408 fps | 95.2% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 28,601 psi | 70% | 2274 fps | 96% |
| Rottweil R 903 | <<locked>> | 82% | 30,211 psi | 74% | 2260 fps | 95.2% |
| Shooters World Precision | <<locked>> | 80% | 33,257 psi | 82% | 2293 fps | 97% |
| SNPE Vectan SP 11 | <<locked>> | 84% | 33,794 psi | 83% | 2359 fps | 95.4% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 31,633 psi | 78% | 2201 fps | 99.3% |
| Somchem S355 | <<locked>> | 82% | 31,575 psi | 78% | 2277 fps | 95.4% |
| Somchem S365 | 37.3 gr | 90% | 29,008 psi | 71% | 2293 fps | 95.5% |
| Vihtavuori N135 | <<locked>> | 80% | 33,910 psi | 84% | 2306 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 34,243 psi | 84% | 2300 fps | 99.4% |
| Vihtavuori N150 | 32.3 gr | 82% | 26,832 psi | 66% | 2142 fps | 95% |
| Vihtavuori N540 | <<locked>> | 80% | 33,808 psi | 83% | 2313 fps | 99% |
| Winchester 6.5 StaBALL | <<locked>> | 88% | 32,750 psi | 81% | 2287 fps | 95.4% |
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 26 powders for 7 x 72 R loaded with the .284 | 150gr | Nosler Ballistic Tip Hunting. ReloadSwiss RS 52 delivers the highest muzzle velocity at 2,461 fps; across all powders the maximum-charge window runs from 1,585 fps to 2,461 fps. Hodgdon TrailBoss gives the best case fill at 100 %, and 26 of the 26 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (280 MPa), the top charges use 85–90 %, leaving at least 10 % headroom. The 150.0 gr projectile in 0.284" calls for a 1:11.0 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. Somchem S365, Vihtavuori N150, ReloadSwiss RS 14 rank at the top here: for 7 x 72 R with the .284 | 150gr | Nosler Ballistic Tip 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.