Load Specifications
Load data in caliber .30-06 Spring. with .310 | 200gr | Rhino Solid Shank bullet and 95 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 70, Hodgdon Superformance and Alliant Reloder-17.
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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You can find more information in our FAQ: How can I use the Personalized Load Calculator?
Max Load - Barrel Length: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 82% | 52,344 psi | 89% | 2392 fps | 100% |
| Accurate 2495 | <<locked>> | 86% | 51,068 psi | 87% | 2418 fps | 100% |
| Accurate 2520 | <<locked>> | 82% | 52,678 psi | 90% | 2474 fps | 100% |
| Accurate 2700 | <<locked>> | 86% | 50,082 psi | 85% | 2415 fps | 96.9% |
| Accurate 3100ᴾ | <<locked>> | 100% | 41,452 psi | 71% | 2379 fps | 96.9% |
| Accurate 4064 | <<locked>> | 88% | 51,285 psi | 87% | 2461 fps | 100% |
| Accurate 4350 | <<locked>> | 96% | 50,473 psi | 86% | 2536 fps | 99.7% |
| ADI AR 2206H | <<locked>> | 84% | 51,430 psi | 88% | 2484 fps | 100% |
| ADI AR 2208 | <<locked>> | 90% | 52,678 psi | 90% | 2490 fps | 99.9% |
| ADI Benchmark 8208 | <<locked>> | 82% | 50,734 psi | 86% | 2441 fps | 100% |
| Alliant AR-Comp | <<locked>> | 82% | 51,256 psi | 87% | 2418 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 86% | 50,618 psi | 86% | 2585 fps | 99.9% |
| Alliant Power Pro Varmintᴾ | <<locked>> | 100% | 49,023 psi | 83% | 2513 fps | 95.9% |
| Alliant Reloder- TS 15.5 | <<locked>> | 90% | 52,562 psi | 89% | 2510 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 88% | 53,026 psi | 90% | 2526 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 98% | 51,953 psi | 88% | 2585 fps | 99.9% |
| Alliant Reloder-17 | <<locked>> | 94% | 52,895 psi | 90% | 2618 fps | 100% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 39,581 psi | 67% | 2405 fps | 99.4% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 44,092 psi | 75% | 2552 fps | 98.9% |
| Baschieri & Pellagri 107 | <<locked>> | 84% | 51,082 psi | 87% | 2500 fps | 99.7% |
| Bofors RP3 | <<locked>> | 90% | 52,895 psi | 90% | 2520 fps | 100% |
| Bofors RP7 | <<locked>> | 94% | 53,142 psi | 90% | 2497 fps | 97.7% |
| Hodgdon Benchmark | <<locked>> | 82% | 52,330 psi | 89% | 2425 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 84% | 53,127 psi | 90% | 2513 fps | 100% |
| Hodgdon H380 | <<locked>> | 88% | 50,386 psi | 86% | 2484 fps | 99.3% |
| Hodgdon H414 | <<locked>> | 94% | 50,082 psi | 85% | 2533 fps | 97.9% |
| Hodgdon H4350 | <<locked>> | 92% | 50,821 psi | 87% | 2497 fps | 96.7% |
| Hodgdon H4895 | <<locked>> | 84% | 51,924 psi | 88% | 2493 fps | 100% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 51,517 psi | 88% | 2520 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 86% | 51,329 psi | 87% | 2526 fps | 100% |
| Hodgdon Superformance | <<locked>> | 94% | 50,009 psi | 85% | 2559 fps | 97.4% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,491 psi | 60% | 1519 fps | 100% |
| Hodgdon VARGET | <<locked>> | 84% | 49,980 psi | 85% | 2451 fps | 100% |
| IMR 3031 | <<locked>> | 84% | 51,996 psi | 89% | 2477 fps | 100% |
| IMR 4064 | <<locked>> | 88% | 52,025 psi | 89% | 2470 fps | 99.9% |
| IMR 4166 Enduron | <<locked>> | 86% | 52,025 psi | 89% | 2454 fps | 98% |
| IMR 4350 | <<locked>> | 96% | 49,966 psi | 85% | 2474 fps | 97.2% |
| IMR 4451 Enduron | <<locked>> | 92% | 51,837 psi | 88% | 2480 fps | 97.9% |
| IMR 4831 | <<locked>> | 98% | 51,010 psi | 87% | 2526 fps | 99.7% |
| IMR 4895 | <<locked>> | 86% | 50,981 psi | 87% | 2507 fps | 100% |
| IMR 8208 XBR | <<locked>> | 82% | 50,734 psi | 86% | 2441 fps | 100% |
| Lovex D073.6 | <<locked>> | 84% | 51,053 psi | 87% | 2464 fps | 100% |
| Lovex S060 | <<locked>> | 84% | 51,169 psi | 87% | 2421 fps | 100% |
| Lovex S062 | <<locked>> | 88% | 51,895 psi | 88% | 2467 fps | 100% |
| Lovex S065 | <<locked>> | 94% | 51,039 psi | 87% | 2470 fps | 98.9% |
| Lovex S070 | <<locked>> | 96% | 51,735 psi | 88% | 2503 fps | 98.2% |
| Norma 201 | <<locked>> | 84% | 50,589 psi | 86% | 2441 fps | 100% |
| Norma 202 | <<locked>> | 84% | 50,879 psi | 87% | 2438 fps | 100% |
| Norma 203B | <<locked>> | 88% | 52,286 psi | 89% | 2513 fps | 100% |
| Norma 204 | <<locked>> | 96% | 50,285 psi | 86% | 2513 fps | 96% |
| Norma MRPᴾ | <<locked>> | 100% | 44,121 psi | 75% | 2513 fps | 96.4% |
| Norma URP | <<locked>> | 98% | 53,069 psi | 90% | 2572 fps | 99.8% |
| Ramshot Big Game | <<locked>> | 88% | 52,562 psi | 89% | 2539 fps | 100% |
| Ramshot Hunter | <<locked>> | 98% | 51,851 psi | 88% | 2569 fps | 98.8% |
| Ramshot TAC | <<locked>> | 82% | 50,517 psi | 86% | 2454 fps | 98.9% |
| Ramshot Wild Boar | <<locked>> | 82% | 50,227 psi | 86% | 2474 fps | 99.9% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,129 psi | 62% | 1558 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 88% | 50,792 psi | 86% | 2470 fps | 98.4% |
| ReloadSwiss RS 52 | <<locked>> | 84% | 49,806 psi | 85% | 2533 fps | 99.8% |
| ReloadSwiss RS 60 | <<locked>> | 92% | 52,765 psi | 90% | 2615 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 96% | 50,140 psi | 85% | 2556 fps | 99.5% |
| ReloadSwiss RS 70 | <<locked>> | 96% | 49,850 psi | 85% | 2579 fps | 99.3% |
| Rottweil R 901 | <<locked>> | 82% | 51,692 psi | 88% | 2421 fps | 100% |
| Rottweil R 902 | <<locked>> | 86% | 51,082 psi | 87% | 2438 fps | 100% |
| Rottweil R 903 | <<locked>> | 92% | 52,779 psi | 90% | 2513 fps | 100% |
| Rottweil R 907 | <<locked>> | 94% | 53,142 psi | 90% | 2497 fps | 97.7% |
| Shooters World Long Rifle | <<locked>> | 94% | 51,039 psi | 87% | 2470 fps | 98.9% |
| Shooters World Match Rifle | <<locked>> | 84% | 51,053 psi | 87% | 2464 fps | 100% |
| Shooters World Precision | <<locked>> | 88% | 51,895 psi | 88% | 2467 fps | 100% |
| Shooters World SW4350 | <<locked>> | 96% | 51,735 psi | 88% | 2503 fps | 98.2% |
| SNPE Vectan SP 11 | <<locked>> | 90% | 51,155 psi | 87% | 2523 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 84% | 52,315 psi | 89% | 2484 fps | 99.4% |
| SNPE Vectan SP 9 | <<locked>> | 86% | 53,127 psi | 90% | 2507 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 84% | 51,924 psi | 88% | 2382 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 90% | 51,880 psi | 88% | 2382 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 94% | 51,039 psi | 87% | 2428 fps | 97.8% |
| Somchem S335 | <<locked>> | 84% | 51,474 psi | 88% | 2385 fps | 100% |
| Somchem S341 | <<locked>> | 84% | 52,069 psi | 89% | 2477 fps | 100% |
| Somchem S355 | <<locked>> | 90% | 49,995 psi | 85% | 2467 fps | 100% |
| Somchem S365ᴾ | <<locked>> | 100% | 51,111 psi | 87% | 2572 fps | 100% |
| Somchem S385ᴾ | <<locked>> | 100% | 47,326 psi | 81% | 2467 fps | 96.7% |
| Vihtavuori N133 | <<locked>> | 84% | 52,228 psi | 89% | 2369 fps | 100% |
| Vihtavuori N135 | <<locked>> | 86% | 50,676 psi | 86% | 2405 fps | 100% |
| Vihtavuori N140 | <<locked>> | 86% | 51,300 psi | 87% | 2418 fps | 100% |
| Vihtavuori N150 | <<locked>> | 92% | 51,140 psi | 87% | 2448 fps | 100% |
| Vihtavuori N160 | <<locked>> | 96% | 52,156 psi | 89% | 2520 fps | 99.7% |
| Vihtavuori N530 | <<locked>> | 82% | 50,734 psi | 86% | 2438 fps | 100% |
| Vihtavuori N540 | <<locked>> | 88% | 52,707 psi | 90% | 2461 fps | 100% |
| Vihtavuori N550 | <<locked>> | 96% | 51,155 psi | 87% | 2526 fps | 99.5% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 43,381 psi | 74% | 2470 fps | 99.3% |
| Winchester 6.5 StaBALL | <<locked>> | 96% | 52,141 psi | 89% | 2500 fps | 100% |
| Winchester 748 | <<locked>> | 82% | 50,618 psi | 86% | 2480 fps | 100% |
| Winchester 760 | <<locked>> | 94% | 50,082 psi | 85% | 2533 fps | 97.9% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 35,375 psi | 60% | 2415 fps | 99.5% |
| Winchester StaBALL Match | <<locked>> | 86% | 52,924 psi | 90% | 2513 fps | 100% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 80% | 49,327 psi | 84% | 2352 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 42,206 psi | 72% | 2293 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 49,037 psi | 83% | 2428 fps | 100% |
| Accurate 2700 | <<locked>> | 82% | 44,092 psi | 75% | 2320 fps | 95.5% |
| Accurate 3100 | <<locked>> | 96% | 36,071 psi | 61% | 2280 fps | 95.3% |
| Accurate 4064 | <<locked>> | 80% | 39,958 psi | 68% | 2293 fps | 100% |
| Accurate 4350 | <<locked>> | 82% | 31,285 psi | 53% | 2192 fps | 95.5% |
| ADI AR 2206H | <<locked>> | 80% | 45,513 psi | 77% | 2395 fps | 99.7% |
| ADI AR 2208 | <<locked>> | 80% | 38,653 psi | 66% | 2260 fps | 98.2% |
| ADI Benchmark 8208 | <<locked>> | 80% | 47,558 psi | 81% | 2398 fps | 100% |
| Alliant AR-Comp | <<locked>> | 80% | 48,124 psi | 82% | 2379 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 41,365 psi | 70% | 2428 fps | 98.8% |
| Alliant Power Pro Varmint | <<locked>> | 98% | 45,905 psi | 78% | 2461 fps | 95% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 38,421 psi | 65% | 2283 fps | 99.3% |
| Alliant Reloder-15 | <<locked>> | 80% | 41,234 psi | 70% | 2339 fps | 98.9% |
| Alliant Reloder-16 | <<locked>> | 82% | 31,763 psi | 54% | 2201 fps | 95.6% |
| Alliant Reloder-17 | 45.2 gr | 80% | 33,127 psi | 56% | 2264 fps | 98% |
| Alliant Reloder-23 | <<locked>> | 88% | 27,528 psi | 47% | 2123 fps | 95.3% |
| Alliant Reloder-26 | <<locked>> | 92% | 33,533 psi | 57% | 2326 fps | 95.6% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 44,744 psi | 76% | 2402 fps | 99.1% |
| Bofors RP3 | <<locked>> | 80% | 38,130 psi | 65% | 2290 fps | 99.4% |
| Bofors RP7 | <<locked>> | 86% | 41,611 psi | 71% | 2310 fps | 95.1% |
| Hodgdon Benchmark | <<locked>> | 80% | 49,168 psi | 84% | 2382 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 80% | 46,427 psi | 79% | 2418 fps | 100% |
| Hodgdon H380 | <<locked>> | 80% | 38,798 psi | 66% | 2290 fps | 97.3% |
| Hodgdon H414 | <<locked>> | 88% | 40,915 psi | 70% | 2379 fps | 95.7% |
| Hodgdon H4350 | <<locked>> | 88% | 44,759 psi | 76% | 2402 fps | 95.2% |
| Hodgdon H4895 | <<locked>> | 80% | 45,948 psi | 78% | 2405 fps | 99.9% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 27,383 psi | 47% | 2067 fps | 95.6% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 41,858 psi | 71% | 2382 fps | 99.8% |
| Hodgdon Superformance | 53.7 gr | 90% | 43,410 psi | 74% | 2448 fps | 95.8% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,498 psi | 45% | 1358 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 43,903 psi | 75% | 2359 fps | 99.7% |
| IMR 3031 | <<locked>> | 80% | 45,629 psi | 78% | 2388 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 40,567 psi | 69% | 2290 fps | 98.8% |
| IMR 4166 Enduron | <<locked>> | 80% | 43,062 psi | 73% | 2310 fps | 96.1% |
| IMR 4350 | <<locked>> | 90% | 41,568 psi | 71% | 2333 fps | 95.1% |
| IMR 4451 Enduron | <<locked>> | 84% | 40,553 psi | 69% | 2293 fps | 95.3% |
| IMR 4831 | <<locked>> | 82% | 30,443 psi | 52% | 2156 fps | 95.2% |
| IMR 4895 | <<locked>> | 80% | 42,235 psi | 72% | 2369 fps | 99.4% |
| IMR 8208 XBR | <<locked>> | 80% | 47,558 psi | 81% | 2398 fps | 100% |
| Lovex D073.6 | <<locked>> | 80% | 44,744 psi | 76% | 2375 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 45,368 psi | 77% | 2333 fps | 99.7% |
| Lovex S062 | <<locked>> | 80% | 40,553 psi | 69% | 2293 fps | 99.8% |
| Lovex S065 | <<locked>> | 82% | 35,491 psi | 60% | 2201 fps | 95.4% |
| Lovex S070 | <<locked>> | 86% | 38,043 psi | 65% | 2270 fps | 95% |
| Norma 201 | <<locked>> | 80% | 44,686 psi | 76% | 2352 fps | 100% |
| Norma 202 | <<locked>> | 80% | 44,918 psi | 76% | 2352 fps | 100% |
| Norma 203B | <<locked>> | 80% | 40,596 psi | 69% | 2329 fps | 99.2% |
| Norma 204 | <<locked>> | 94% | 47,094 psi | 80% | 2464 fps | 95.2% |
| Norma MRP | <<locked>> | 98% | 41,365 psi | 70% | 2461 fps | 95.5% |
| Norma URP | <<locked>> | 82% | 31,734 psi | 54% | 2192 fps | 95.5% |
| Ramshot Big Game | <<locked>> | 80% | 40,074 psi | 68% | 2343 fps | 99% |
| Ramshot Hunter | <<locked>> | 88% | 37,478 psi | 64% | 2320 fps | 95.5% |
| Ramshot TAC | <<locked>> | 80% | 47,500 psi | 81% | 2408 fps | 98.5% |
| Ramshot Wild Boar | <<locked>> | 80% | 46,862 psi | 80% | 2425 fps | 99.8% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,919 psi | 46% | 1391 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 39,175 psi | 67% | 2274 fps | 95.7% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 43,453 psi | 74% | 2434 fps | 99.2% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 35,230 psi | 60% | 2320 fps | 99.9% |
| ReloadSwiss RS 62 | <<locked>> | 84% | 33,199 psi | 57% | 2254 fps | 95.8% |
| ReloadSwiss RS 70 | 49.3 gr | 86% | 35,505 psi | 60% | 2306 fps | 95.8% |
| Rottweil R 901 | <<locked>> | 80% | 48,501 psi | 83% | 2379 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 42,351 psi | 72% | 2306 fps | 99.9% |
| Rottweil R 903 | <<locked>> | 80% | 35,810 psi | 61% | 2238 fps | 98.8% |
| Rottweil R 907 | <<locked>> | 86% | 41,611 psi | 71% | 2310 fps | 95.1% |
| Shooters World Long Rifle | <<locked>> | 82% | 35,491 psi | 60% | 2201 fps | 95.4% |
| Shooters World Match Rifle | <<locked>> | 80% | 44,744 psi | 76% | 2375 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 40,553 psi | 69% | 2293 fps | 99.8% |
| Shooters World SW4350 | <<locked>> | 86% | 38,043 psi | 65% | 2270 fps | 95% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 36,738 psi | 63% | 2283 fps | 98.4% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 45,716 psi | 78% | 2385 fps | 98.6% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 43,932 psi | 75% | 2369 fps | 99.5% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 45,774 psi | 78% | 2300 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 38,130 psi | 65% | 2185 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 86% | 39,436 psi | 67% | 2244 fps | 95.2% |
| Somchem S335 | <<locked>> | 80% | 45,614 psi | 78% | 2303 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 45,600 psi | 78% | 2385 fps | 99.7% |
| Somchem S355 | <<locked>> | 80% | 36,738 psi | 63% | 2247 fps | 98.8% |
| Somchem S365 | <<locked>> | 80% | 26,701 psi | 45% | 2103 fps | 96.9% |
| Somchem S385 | <<locked>> | 96% | 41,742 psi | 71% | 2375 fps | 95.2% |
| Vihtavuori N133 | <<locked>> | 80% | 46,122 psi | 79% | 2290 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 41,887 psi | 71% | 2283 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 42,482 psi | 72% | 2297 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 34,795 psi | 59% | 2185 fps | 99.3% |
| Vihtavuori N160 | <<locked>> | 80% | 31,024 psi | 53% | 2146 fps | 95.1% |
| Vihtavuori N530 | <<locked>> | 80% | 47,805 psi | 81% | 2395 fps | 100% |
| Vihtavuori N540 | <<locked>> | 80% | 40,872 psi | 70% | 2290 fps | 100% |
| Vihtavuori N550 | <<locked>> | 82% | 32,503 psi | 55% | 2195 fps | 95.5% |
| Vihtavuori N555 | <<locked>> | 88% | 29,472 psi | 50% | 2188 fps | 95.5% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 30,893 psi | 53% | 2126 fps | 97.3% |
| Winchester 748 | <<locked>> | 80% | 47,398 psi | 81% | 2434 fps | 100% |
| Winchester 760 | <<locked>> | 86% | 38,537 psi | 66% | 2336 fps | 95% |
| Winchester StaBALL HD | <<locked>> | 92% | 27,514 psi | 47% | 2192 fps | 95.8% |
| Winchester StaBALL Match | <<locked>> | 80% | 43,366 psi | 74% | 2369 fps | 99.7% |
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 95 powders for .30-06 Spring. loaded with the .310 | 200gr | Rhino Solid Shank. Alliant Reloder-17 delivers the highest muzzle velocity at 2,618 fps; across all powders the maximum-charge window runs from 1,519 fps to 2,618 fps. Accurate 3100 gives the best case fill at 100 %, and 95 of the 95 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (405 MPa), the top charges use 60–90 %, leaving at least 10 % headroom. The 200.0 gr projectile in 0.31" calls for a 1:13.0 twist; slower twists will usually not stabilise this weight. Accurate 3100, Alliant Power Pro Varmint, Alliant Reloder-23 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 70, Hodgdon Superformance, Alliant Reloder-17 rank at the top here: for .30-06 Spring. with the .310 | 200gr | Rhino Solid Shank 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.