Load Specifications
Load data in caliber .30-06 Spring. with .309 | 170gr | Reichenberg HDB Universal bullet and 94 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant Power Pro 2000-MR, ReloadSwiss RS 60 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>> | 86% | 52,489 psi | 89% | 2618 fps | 100% |
| Accurate 2460 | <<locked>> | 82% | 50,633 psi | 86% | 2638 fps | 100% |
| Accurate 2495 | <<locked>> | 90% | 49,835 psi | 85% | 2631 fps | 100% |
| Accurate 2520 | <<locked>> | 86% | 52,330 psi | 89% | 2694 fps | 100% |
| Accurate 4064 | <<locked>> | 92% | 49,922 psi | 85% | 2671 fps | 100% |
| Accurate 4350ᴾ | <<locked>> | 100% | 49,197 psi | 84% | 2730 fps | 98.5% |
| ADI AR 2206H | <<locked>> | 88% | 51,764 psi | 88% | 2707 fps | 99.6% |
| ADI AR 2208 | <<locked>> | 94% | 52,881 psi | 90% | 2703 fps | 99.3% |
| ADI Benchmark 8208 | <<locked>> | 86% | 51,068 psi | 87% | 2664 fps | 99.9% |
| Alliant AR-Comp | <<locked>> | 86% | 50,879 psi | 87% | 2644 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 82% | 52,475 psi | 89% | 2762 fps | 99.8% |
| Alliant Power Pro 2000-MR | <<locked>> | 90% | 50,937 psi | 87% | 2805 fps | 99.1% |
| Alliant Reloder- TS 15.5 | <<locked>> | 94% | 52,040 psi | 89% | 2720 fps | 99.9% |
| Alliant Reloder-10x | <<locked>> | 82% | 52,315 psi | 89% | 2625 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 92% | 52,910 psi | 90% | 2743 fps | 99.4% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 48,573 psi | 83% | 2740 fps | 98.7% |
| Alliant Reloder-17 | <<locked>> | 98% | 52,562 psi | 89% | 2831 fps | 99.9% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 34,026 psi | 58% | 2467 fps | 96.2% |
| Baschieri & Pellagri 107 | <<locked>> | 88% | 51,459 psi | 88% | 2717 fps | 98.9% |
| Bofors RP3 | <<locked>> | 94% | 52,199 psi | 89% | 2733 fps | 99.9% |
| Hodgdon Benchmark | <<locked>> | 86% | 52,881 psi | 90% | 2651 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 88% | 53,098 psi | 90% | 2736 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 84% | 51,271 psi | 87% | 2772 fps | 99.3% |
| Hodgdon H322 | <<locked>> | 82% | 51,445 psi | 88% | 2661 fps | 100% |
| Hodgdon H335 | <<locked>> | 82% | 52,591 psi | 90% | 2687 fps | 100% |
| Hodgdon H380 | <<locked>> | 92% | 50,357 psi | 86% | 2694 fps | 98.2% |
| Hodgdon H414ᴾ | <<locked>> | 100% | 52,721 psi | 90% | 2779 fps | 96.7% |
| Hodgdon H4895 | <<locked>> | 88% | 52,257 psi | 89% | 2717 fps | 99.8% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 44,527 psi | 76% | 2621 fps | 99.1% |
| Hodgdon LEVERevolution | <<locked>> | 90% | 51,053 psi | 87% | 2743 fps | 99.9% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 34,795 psi | 59% | 1654 fps | 100% |
| Hodgdon VARGET | <<locked>> | 88% | 50,270 psi | 86% | 2671 fps | 99.6% |
| IMR 3031 | <<locked>> | 88% | 51,517 psi | 88% | 2703 fps | 100% |
| IMR 4064 | <<locked>> | 92% | 52,272 psi | 89% | 2687 fps | 99.4% |
| IMR 4166 Enduron | <<locked>> | 90% | 52,808 psi | 90% | 2667 fps | 96.5% |
| IMR 4198 | <<locked>> | 82% | 52,924 psi | 90% | 2589 fps | 100% |
| IMR 4451 Enduron | <<locked>> | 96% | 51,895 psi | 88% | 2680 fps | 96.3% |
| IMR 4831ᴾ | <<locked>> | 100% | 46,746 psi | 80% | 2671 fps | 98.2% |
| IMR 4895 | <<locked>> | 90% | 50,894 psi | 87% | 2723 fps | 99.5% |
| IMR 8208 XBR | <<locked>> | 86% | 51,068 psi | 87% | 2664 fps | 99.9% |
| Lovex D073.5 | <<locked>> | 82% | 50,691 psi | 86% | 2648 fps | 100% |
| Lovex D073.6 | <<locked>> | 88% | 50,517 psi | 86% | 2680 fps | 100% |
| Lovex S060 | <<locked>> | 88% | 51,721 psi | 88% | 2638 fps | 99.5% |
| Lovex S062 | <<locked>> | 92% | 51,648 psi | 88% | 2684 fps | 99.9% |
| Lovex S065 | <<locked>> | 98% | 50,734 psi | 86% | 2674 fps | 97.5% |
| Lovex S070ᴾ | <<locked>> | 100% | 51,372 psi | 87% | 2700 fps | 96.6% |
| Norma 201 | <<locked>> | 88% | 50,314 psi | 86% | 2651 fps | 99.9% |
| Norma 202 | <<locked>> | 88% | 50,894 psi | 87% | 2661 fps | 100% |
| Norma 203B | <<locked>> | 92% | 52,083 psi | 89% | 2730 fps | 99.6% |
| Norma URPᴾ | <<locked>> | 100% | 48,965 psi | 83% | 2723 fps | 98.4% |
| Ramshot Big Game | <<locked>> | 92% | 52,489 psi | 89% | 2753 fps | 99.6% |
| Ramshot Hunterᴾ | <<locked>> | 100% | 48,153 psi | 82% | 2713 fps | 96.6% |
| Ramshot TAC | <<locked>> | 86% | 51,372 psi | 87% | 2674 fps | 97.8% |
| Ramshot Wild Boar | <<locked>> | 86% | 50,517 psi | 86% | 2690 fps | 99.4% |
| Ramshot X-Terminator | <<locked>> | 84% | 52,040 psi | 89% | 2664 fps | 99.5% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,201 psi | 60% | 1693 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 82% | 50,357 psi | 86% | 2644 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 92% | 50,908 psi | 87% | 2674 fps | 96.9% |
| ReloadSwiss RS 52 | <<locked>> | 90% | 52,939 psi | 90% | 2805 fps | 99.4% |
| ReloadSwiss RS 60 | <<locked>> | 96% | 52,591 psi | 90% | 2838 fps | 100% |
| ReloadSwiss RS 62ᴾ | <<locked>> | 100% | 48,863 psi | 83% | 2749 fps | 98.3% |
| ReloadSwiss RS 70ᴾ | <<locked>> | 100% | 49,850 psi | 85% | 2776 fps | 97.9% |
| Rottweil R 901 | <<locked>> | 86% | 51,285 psi | 87% | 2641 fps | 100% |
| Rottweil R 902 | <<locked>> | 90% | 50,778 psi | 86% | 2651 fps | 99.9% |
| Rottweil R 903 | <<locked>> | 96% | 52,054 psi | 89% | 2723 fps | 99.8% |
| Shooters World Long Rifle | <<locked>> | 98% | 50,734 psi | 86% | 2674 fps | 97.5% |
| Shooters World Match Rifle | <<locked>> | 88% | 50,517 psi | 86% | 2680 fps | 100% |
| Shooters World Precision | <<locked>> | 92% | 51,648 psi | 88% | 2684 fps | 99.9% |
| Shooters World SW4350ᴾ | <<locked>> | 100% | 51,372 psi | 87% | 2700 fps | 96.6% |
| SNPE Vectan SP 11 | <<locked>> | 94% | 50,778 psi | 86% | 2736 fps | 99.5% |
| SNPE Vectan SP 7 | <<locked>> | 88% | 52,765 psi | 90% | 2700 fps | 98.5% |
| SNPE Vectan SP 9 | <<locked>> | 88% | 50,285 psi | 86% | 2677 fps | 99.4% |
| SNPE Vectan Tubal 3000 | <<locked>> | 88% | 52,315 psi | 89% | 2605 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 94% | 52,388 psi | 89% | 2605 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 98% | 51,155 psi | 87% | 2625 fps | 96.2% |
| Somchem S321 | <<locked>> | 84% | 51,953 psi | 88% | 2694 fps | 100% |
| Somchem S335 | <<locked>> | 88% | 51,488 psi | 88% | 2605 fps | 100% |
| Somchem S341 | <<locked>> | 88% | 52,533 psi | 89% | 2697 fps | 99.6% |
| Somchem S355 | <<locked>> | 96% | 52,605 psi | 90% | 2723 fps | 99.8% |
| Somchem S365ᴾ | <<locked>> | 100% | 43,540 psi | 74% | 2674 fps | 99.8% |
| Vihtavuori N130 | <<locked>> | 84% | 52,141 psi | 89% | 2575 fps | 100% |
| Vihtavuori N133 | <<locked>> | 88% | 52,475 psi | 89% | 2595 fps | 100% |
| Vihtavuori N135 | <<locked>> | 90% | 50,198 psi | 85% | 2625 fps | 100% |
| Vihtavuori N140 | <<locked>> | 90% | 51,285 psi | 87% | 2641 fps | 100% |
| Vihtavuori N150 | <<locked>> | 96% | 50,865 psi | 87% | 2657 fps | 100% |
| Vihtavuori N160ᴾ | <<locked>> | 100% | 51,634 psi | 88% | 2723 fps | 98.7% |
| Vihtavuori N530 | <<locked>> | 86% | 51,401 psi | 88% | 2664 fps | 99.9% |
| Vihtavuori N540 | <<locked>> | 92% | 52,968 psi | 90% | 2684 fps | 100% |
| Vihtavuori N550ᴾ | <<locked>> | 100% | 50,604 psi | 86% | 2726 fps | 98.5% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 36,201 psi | 62% | 2539 fps | 96.2% |
| Winchester 6.5 StaBALLᴾ | <<locked>> | 100% | 52,649 psi | 90% | 2710 fps | 99.9% |
| Winchester 748 | <<locked>> | 86% | 50,792 psi | 86% | 2707 fps | 100% |
| Winchester 760ᴾ | <<locked>> | 100% | 53,040 psi | 90% | 2785 fps | 96.8% |
| Winchester StaBALL Match | <<locked>> | 88% | 49,690 psi | 85% | 2684 fps | 99.6% |
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% | 43,323 psi | 74% | 2487 fps | 100% |
| Accurate 2460 | <<locked>> | 80% | 47,427 psi | 81% | 2589 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 35,505 psi | 60% | 2398 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 42,656 psi | 73% | 2546 fps | 99.9% |
| Accurate 4064 | <<locked>> | 80% | 33,634 psi | 57% | 2382 fps | 99.4% |
| Accurate 4350 | <<locked>> | 92% | 36,970 psi | 63% | 2510 fps | 95.7% |
| ADI AR 2206H | <<locked>> | 80% | 40,074 psi | 68% | 2500 fps | 97.7% |
| ADI AR 2208 | <<locked>> | 80% | 34,098 psi | 58% | 2356 fps | 95.1% |
| ADI Benchmark 8208 | <<locked>> | 80% | 42,177 psi | 72% | 2516 fps | 99.1% |
| Alliant AR-Comp | <<locked>> | 80% | 41,481 psi | 71% | 2510 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 80% | 49,095 psi | 84% | 2707 fps | 99.6% |
| Alliant Power Pro 2000-MR | 47 gr | 80% | 35,998 psi | 61% | 2507 fps | 95.3% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 33,069 psi | 56% | 2369 fps | 96.7% |
| Alliant Reloder-10x | <<locked>> | 80% | 49,298 psi | 84% | 2582 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 35,868 psi | 61% | 2431 fps | 96% |
| Alliant Reloder-16 | <<locked>> | 92% | 37,840 psi | 64% | 2530 fps | 95.9% |
| Alliant Reloder-17 | 48.6 gr | 84% | 32,648 psi | 56% | 2431 fps | 95.7% |
| Alliant Reloder-23 | <<locked>> | 98% | 31,937 psi | 54% | 2411 fps | 95.1% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 38,957 psi | 66% | 2497 fps | 96.3% |
| Bofors RP3 | <<locked>> | 80% | 32,271 psi | 55% | 2365 fps | 96.6% |
| Hodgdon Benchmark | <<locked>> | 80% | 44,077 psi | 75% | 2510 fps | 99.6% |
| Hodgdon BL-C2 | <<locked>> | 80% | 40,263 psi | 69% | 2526 fps | 99.2% |
| Hodgdon CFE223 | <<locked>> | 80% | 44,411 psi | 76% | 2657 fps | 98.3% |
| Hodgdon H322 | <<locked>> | 80% | 48,138 psi | 82% | 2612 fps | 100% |
| Hodgdon H335 | <<locked>> | 80% | 49,037 psi | 83% | 2638 fps | 100% |
| Hodgdon H380 | <<locked>> | 84% | 38,464 psi | 65% | 2480 fps | 95.4% |
| Hodgdon H414 | <<locked>> | 96% | 46,253 psi | 79% | 2674 fps | 95.2% |
| Hodgdon H4895 | <<locked>> | 80% | 40,379 psi | 69% | 2513 fps | 98.3% |
| Hodgdon Hybrid 100V | <<locked>> | 90% | 32,314 psi | 55% | 2372 fps | 95.7% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 36,114 psi | 61% | 2474 fps | 97.7% |
| Hodgdon TrailBoss | <<locked>> | 80% | 25,817 psi | 44% | 1476 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 38,783 psi | 66% | 2467 fps | 97.9% |
| IMR 3031 | <<locked>> | 80% | 39,566 psi | 67% | 2516 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 35,708 psi | 61% | 2388 fps | 96% |
| IMR 4166 Enduron | <<locked>> | 86% | 46,354 psi | 79% | 2559 fps | 95% |
| IMR 4198 | <<locked>> | 80% | 49,850 psi | 85% | 2546 fps | 100% |
| IMR 4451 Enduron | <<locked>> | 94% | 49,023 psi | 83% | 2635 fps | 95.6% |
| IMR 4831 | <<locked>> | 92% | 35,694 psi | 61% | 2464 fps | 95.2% |
| IMR 4895 | <<locked>> | 80% | 36,709 psi | 62% | 2461 fps | 97% |
| IMR 8208 XBR | <<locked>> | 80% | 42,177 psi | 72% | 2516 fps | 99.1% |
| Lovex D073.5 | <<locked>> | 80% | 47,239 psi | 80% | 2595 fps | 99.9% |
| Lovex D073.6 | <<locked>> | 80% | 38,450 psi | 65% | 2480 fps | 99.5% |
| Lovex S060 | <<locked>> | 80% | 40,640 psi | 69% | 2451 fps | 97.9% |
| Lovex S062 | <<locked>> | 80% | 35,346 psi | 60% | 2392 fps | 97.8% |
| Lovex S065 | <<locked>> | 92% | 42,163 psi | 72% | 2526 fps | 95.5% |
| Lovex S070 | <<locked>> | 96% | 45,208 psi | 77% | 2598 fps | 95.1% |
| Norma 201 | <<locked>> | 80% | 39,015 psi | 66% | 2457 fps | 98.6% |
| Norma 202 | <<locked>> | 80% | 39,204 psi | 67% | 2470 fps | 99.9% |
| Norma 203B | <<locked>> | 80% | 35,244 psi | 60% | 2421 fps | 96.4% |
| Norma URP | <<locked>> | 92% | 37,550 psi | 64% | 2513 fps | 95.6% |
| Ramshot Big Game | <<locked>> | 80% | 34,577 psi | 59% | 2425 fps | 95.9% |
| Ramshot Hunter | <<locked>> | 98% | 45,165 psi | 77% | 2661 fps | 95.9% |
| Ramshot TAC | <<locked>> | 80% | 41,959 psi | 71% | 2510 fps | 95.7% |
| Ramshot Wild Boar | <<locked>> | 80% | 41,263 psi | 70% | 2533 fps | 98% |
| Ramshot X-Terminator | <<locked>> | 80% | 45,469 psi | 77% | 2559 fps | 98.6% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,063 psi | 44% | 1512 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 47,210 psi | 80% | 2595 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 88% | 44,599 psi | 76% | 2569 fps | 95.3% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 37,130 psi | 63% | 2523 fps | 96.4% |
| ReloadSwiss RS 60 | 46.3 gr | 80% | 30,458 psi | 52% | 2385 fps | 97.4% |
| ReloadSwiss RS 62 | <<locked>> | 92% | 36,985 psi | 63% | 2526 fps | 95.1% |
| ReloadSwiss RS 70 | <<locked>> | 94% | 40,582 psi | 69% | 2598 fps | 95.3% |
| Rottweil R 901 | <<locked>> | 80% | 42,554 psi | 72% | 2500 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 37,144 psi | 63% | 2411 fps | 98.2% |
| Rottweil R 903 | <<locked>> | 80% | 30,429 psi | 52% | 2313 fps | 95.5% |
| Shooters World Long Rifle | <<locked>> | 92% | 42,163 psi | 72% | 2526 fps | 95.5% |
| Shooters World Match Rifle | <<locked>> | 80% | 38,450 psi | 65% | 2480 fps | 99.5% |
| Shooters World Precision | <<locked>> | 80% | 35,346 psi | 60% | 2392 fps | 97.8% |
| Shooters World SW4350 | <<locked>> | 96% | 45,208 psi | 77% | 2598 fps | 95.1% |
| SNPE Vectan SP 11 | <<locked>> | 82% | 33,852 psi | 58% | 2415 fps | 95.7% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 39,943 psi | 68% | 2480 fps | 95.7% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 38,551 psi | 66% | 2470 fps | 97.4% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 40,828 psi | 70% | 2428 fps | 99.9% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 33,620 psi | 57% | 2297 fps | 99.7% |
| SNPE Vectan Tubal 7000 | <<locked>> | 96% | 47,819 psi | 81% | 2575 fps | 95.4% |
| Somchem S321 | <<locked>> | 80% | 45,194 psi | 77% | 2589 fps | 99.6% |
| Somchem S335 | <<locked>> | 80% | 40,219 psi | 68% | 2425 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 39,682 psi | 68% | 2480 fps | 97.6% |
| Somchem S355 | <<locked>> | 80% | 31,531 psi | 54% | 2326 fps | 95.6% |
| Somchem S365 | <<locked>> | 86% | 27,470 psi | 47% | 2300 fps | 95% |
| Vihtavuori N130 | <<locked>> | 80% | 46,354 psi | 79% | 2493 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 41,089 psi | 70% | 2425 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 36,332 psi | 62% | 2405 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 37,188 psi | 63% | 2408 fps | 99.8% |
| Vihtavuori N150 | <<locked>> | 80% | 29,950 psi | 51% | 2267 fps | 96.6% |
| Vihtavuori N160 | <<locked>> | 90% | 37,043 psi | 63% | 2467 fps | 95.3% |
| Vihtavuori N530 | <<locked>> | 80% | 41,930 psi | 71% | 2507 fps | 99.1% |
| Vihtavuori N540 | <<locked>> | 80% | 35,650 psi | 61% | 2395 fps | 99.4% |
| Vihtavuori N550 | <<locked>> | 92% | 38,740 psi | 66% | 2520 fps | 95.7% |
| Vihtavuori N555 | <<locked>> | 98% | 33,837 psi | 58% | 2484 fps | 95.3% |
| Winchester 6.5 StaBALL | <<locked>> | 84% | 30,676 psi | 52% | 2290 fps | 95% |
| Winchester 748 | <<locked>> | 80% | 41,176 psi | 70% | 2549 fps | 99.5% |
| Winchester 760 | <<locked>> | 96% | 46,253 psi | 79% | 2674 fps | 95.2% |
| Winchester StaBALL Match | <<locked>> | 80% | 37,884 psi | 64% | 2470 fps | 97.8% |
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 94 powders for .30-06 Spring. loaded with the .309 | 170gr | Reichenberg HDB Universal. ReloadSwiss RS 60 delivers the highest muzzle velocity at 2,838 fps; across all powders the maximum-charge window runs from 1,654 fps to 2,838 fps. Accurate 4350 gives the best case fill at 100 %, and 94 of the 94 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (405 MPa), the top charges use 58–90 %, leaving at least 10 % headroom. The 170.0 gr projectile in 0.309" calls for a 1:12.5 twist; slower twists will usually not stabilise this weight. Accurate 4350, Alliant Reloder-16, 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. Alliant Power Pro 2000-MR, ReloadSwiss RS 60, Alliant Reloder-17 rank at the top here: for .30-06 Spring. with the .309 | 170gr | Reichenberg HDB Universal 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.