Load Specifications
Load data in caliber .30-06 Ackley Improved with .308 | 161gr | TWENTY-NINE Ball Tip bullet and 98 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 ReloadSwiss RS 52.
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>> | 88% | 55,332 psi | 89% | 2753 fps | 100% |
| Accurate 2460 | <<locked>> | 84% | 53,621 psi | 86% | 2772 fps | 100% |
| Accurate 2495 | <<locked>> | 94% | 56,362 psi | 90% | 2812 fps | 100% |
| Accurate 2520 | <<locked>> | 88% | 55,376 psi | 89% | 2835 fps | 100% |
| Accurate 4064 | <<locked>> | 96% | 55,985 psi | 90% | 2851 fps | 100% |
| Accurate 4350ᴾ | <<locked>> | 100% | 48,066 psi | 77% | 2805 fps | 97.8% |
| Accurate LT-30 | <<locked>> | 82% | 54,795 psi | 88% | 2697 fps | 100% |
| Accurate LT-32 | <<locked>> | 82% | 55,201 psi | 89% | 2723 fps | 100% |
| ADI AR 2206H | <<locked>> | 90% | 54,114 psi | 87% | 2835 fps | 99.5% |
| ADI AR 2208 | <<locked>> | 96% | 55,129 psi | 88% | 2831 fps | 99.2% |
| ADI AR 2219 | <<locked>> | 82% | 55,651 psi | 89% | 2818 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 88% | 53,476 psi | 86% | 2795 fps | 99.9% |
| Alliant AR-Comp | <<locked>> | 88% | 53,417 psi | 86% | 2779 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 84% | 55,172 psi | 88% | 2900 fps | 99.8% |
| Alliant Power Pro 2000-MR | <<locked>> | 92% | 53,505 psi | 86% | 2943 fps | 99% |
| Alliant Reloder- TS 15.5 | <<locked>> | 96% | 54,462 psi | 87% | 2854 fps | 99.8% |
| Alliant Reloder-10x | <<locked>> | 84% | 54,984 psi | 88% | 2756 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 94% | 55,492 psi | 89% | 2877 fps | 99.3% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 47,645 psi | 76% | 2812 fps | 97.9% |
| Alliant Reloder-17ᴾ | <<locked>> | 100% | 55,259 psi | 89% | 2969 fps | 99.9% |
| Baschieri & Pellagri 106 | <<locked>> | 82% | 53,940 psi | 86% | 2694 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 90% | 53,998 psi | 87% | 2851 fps | 98.8% |
| Bofors RP3 | <<locked>> | 96% | 55,071 psi | 88% | 2871 fps | 99.9% |
| Bofors RP7ᴾ | <<locked>> | 100% | 55,753 psi | 89% | 2828 fps | 95.8% |
| Hodgdon Benchmark | <<locked>> | 88% | 55,680 psi | 89% | 2782 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 90% | 55,912 psi | 90% | 2874 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 86% | 53,940 psi | 86% | 2910 fps | 99.2% |
| Hodgdon H322 | <<locked>> | 84% | 54,070 psi | 87% | 2795 fps | 100% |
| Hodgdon H335 | <<locked>> | 84% | 55,230 psi | 89% | 2822 fps | 100% |
| Hodgdon H380 | <<locked>> | 94% | 52,823 psi | 85% | 2825 fps | 98.1% |
| Hodgdon H414ᴾ | <<locked>> | 100% | 51,692 psi | 83% | 2858 fps | 95.8% |
| Hodgdon H4895 | <<locked>> | 90% | 54,650 psi | 88% | 2848 fps | 99.7% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 43,656 psi | 70% | 2697 fps | 98.4% |
| Hodgdon LEVERevolution | <<locked>> | 92% | 53,606 psi | 86% | 2881 fps | 99.9% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 34,882 psi | 56% | 1709 fps | 100% |
| Hodgdon VARGET | <<locked>> | 92% | 56,173 psi | 90% | 2854 fps | 99.8% |
| IMR 3031 | <<locked>> | 90% | 53,983 psi | 87% | 2838 fps | 100% |
| IMR 4064 | <<locked>> | 94% | 54,563 psi | 87% | 2815 fps | 99.2% |
| IMR 4166 Enduron | <<locked>> | 92% | 55,434 psi | 89% | 2795 fps | 96.4% |
| IMR 4198 | <<locked>> | 84% | 55,245 psi | 89% | 2717 fps | 100% |
| IMR 4451 Enduron | <<locked>> | 98% | 54,534 psi | 87% | 2812 fps | 96.1% |
| IMR 4831ᴾ | <<locked>> | 100% | 46,006 psi | 74% | 2753 fps | 97.5% |
| IMR 4895 | <<locked>> | 92% | 53,432 psi | 86% | 2858 fps | 99.5% |
| IMR 8208 XBR | <<locked>> | 88% | 53,476 psi | 86% | 2795 fps | 99.9% |
| Lovex D073.5 | <<locked>> | 84% | 53,606 psi | 86% | 2782 fps | 100% |
| Lovex D073.6 | <<locked>> | 90% | 53,490 psi | 86% | 2818 fps | 100% |
| Lovex S060 | <<locked>> | 90% | 54,462 psi | 87% | 2772 fps | 99.5% |
| Lovex S062 | <<locked>> | 94% | 54,027 psi | 87% | 2812 fps | 99.9% |
| Lovex S065ᴾ | <<locked>> | 100% | 53,171 psi | 85% | 2802 fps | 97.4% |
| Norma 201 | <<locked>> | 92% | 56,304 psi | 90% | 2835 fps | 100% |
| Norma 202 | <<locked>> | 90% | 53,388 psi | 86% | 2795 fps | 100% |
| Norma 203B | <<locked>> | 94% | 54,549 psi | 87% | 2864 fps | 99.5% |
| Norma URPᴾ | <<locked>> | 100% | 47,819 psi | 77% | 2799 fps | 97.6% |
| Ramshot Big Game | <<locked>> | 94% | 54,940 psi | 88% | 2887 fps | 99.5% |
| Ramshot TAC | <<locked>> | 88% | 54,027 psi | 87% | 2808 fps | 97.7% |
| Ramshot Wild Boar | <<locked>> | 88% | 53,156 psi | 85% | 2828 fps | 99.4% |
| Ramshot X-Terminator | <<locked>> | 86% | 54,636 psi | 88% | 2795 fps | 99.4% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,070 psi | 56% | 1749 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 84% | 53,185 psi | 85% | 2782 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 94% | 53,534 psi | 86% | 2805 fps | 96.7% |
| ReloadSwiss RS 52 | <<locked>> | 92% | 55,347 psi | 89% | 2940 fps | 99.3% |
| ReloadSwiss RS 60 | <<locked>> | 98% | 55,071 psi | 88% | 2976 fps | 100% |
| ReloadSwiss RS 62ᴾ | <<locked>> | 100% | 47,805 psi | 77% | 2825 fps | 97.5% |
| ReloadSwiss RS 70ᴾ | <<locked>> | 100% | 48,892 psi | 78% | 2848 fps | 96.9% |
| Rottweil R 901 | <<locked>> | 88% | 54,244 psi | 87% | 2776 fps | 100% |
| Rottweil R 902 | <<locked>> | 92% | 53,417 psi | 86% | 2782 fps | 99.9% |
| Rottweil R 903 | <<locked>> | 98% | 54,636 psi | 88% | 2854 fps | 99.8% |
| Rottweil R 907ᴾ | <<locked>> | 100% | 55,753 psi | 89% | 2828 fps | 95.8% |
| Shooters World Long Rifleᴾ | <<locked>> | 100% | 53,171 psi | 85% | 2802 fps | 97.4% |
| Shooters World Match Rifle | <<locked>> | 90% | 53,490 psi | 86% | 2818 fps | 100% |
| Shooters World Precision | <<locked>> | 94% | 54,027 psi | 87% | 2812 fps | 99.9% |
| Shooters World Tactical Rifle | <<locked>> | 82% | 53,026 psi | 85% | 2749 fps | 99.7% |
| SNPE Vectan SP 10 | <<locked>> | 82% | 55,869 psi | 90% | 2825 fps | 100% |
| SNPE Vectan SP 11 | <<locked>> | 96% | 53,185 psi | 85% | 2867 fps | 99.4% |
| SNPE Vectan SP 3 | <<locked>> | 84% | 55,970 psi | 90% | 2779 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 90% | 55,666 psi | 89% | 2835 fps | 98.4% |
| SNPE Vectan SP 9 | <<locked>> | 92% | 55,985 psi | 90% | 2858 fps | 99.6% |
| SNPE Vectan Tubal 3000 | <<locked>> | 90% | 55,056 psi | 88% | 2736 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 96% | 54,810 psi | 88% | 2730 fps | 100% |
| SNPE Vectan Tubal 7000ᴾ | <<locked>> | 100% | 53,954 psi | 87% | 2759 fps | 96% |
| Somchem S321 | <<locked>> | 86% | 54,824 psi | 88% | 2831 fps | 100% |
| Somchem S335 | <<locked>> | 90% | 54,012 psi | 87% | 2730 fps | 100% |
| Somchem S341 | <<locked>> | 90% | 55,216 psi | 89% | 2831 fps | 99.5% |
| Somchem S355 | <<locked>> | 98% | 55,158 psi | 88% | 2854 fps | 99.8% |
| Somchem S365ᴾ | <<locked>> | 100% | 42,641 psi | 68% | 2746 fps | 99.3% |
| Vihtavuori N130 | <<locked>> | 86% | 54,969 psi | 88% | 2707 fps | 100% |
| Vihtavuori N133 | <<locked>> | 90% | 55,027 psi | 88% | 2723 fps | 100% |
| Vihtavuori N135 | <<locked>> | 94% | 55,927 psi | 90% | 2799 fps | 100% |
| Vihtavuori N140 | <<locked>> | 92% | 53,867 psi | 86% | 2772 fps | 100% |
| Vihtavuori N150 | <<locked>> | 98% | 53,345 psi | 86% | 2789 fps | 100% |
| Vihtavuori N160ᴾ | <<locked>> | 100% | 50,386 psi | 81% | 2799 fps | 98% |
| Vihtavuori N530 | <<locked>> | 88% | 54,186 psi | 87% | 2799 fps | 99.9% |
| Vihtavuori N540 | <<locked>> | 94% | 55,376 psi | 89% | 2815 fps | 100% |
| Vihtavuori N550ᴾ | <<locked>> | 100% | 49,647 psi | 80% | 2805 fps | 97.7% |
| Winchester 6.5 StaBALLᴾ | <<locked>> | 100% | 51,605 psi | 83% | 2789 fps | 99.6% |
| Winchester 748 | <<locked>> | 88% | 53,258 psi | 85% | 2838 fps | 100% |
| Winchester 760ᴾ | <<locked>> | 100% | 51,924 psi | 83% | 2864 fps | 95.8% |
| Winchester StaBALL Match | <<locked>> | 92% | 55,999 psi | 90% | 2871 fps | 99.8% |
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% | 43,178 psi | 69% | 2569 fps | 100% |
| Accurate 2460 | <<locked>> | 80% | 47,036 psi | 75% | 2671 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 35,766 psi | 57% | 2484 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 42,206 psi | 68% | 2625 fps | 99.7% |
| Accurate 4064 | <<locked>> | 80% | 33,823 psi | 54% | 2464 fps | 99.1% |
| Accurate 4350 | <<locked>> | 94% | 39,117 psi | 63% | 2638 fps | 95.5% |
| Accurate LT-30 | <<locked>> | 80% | 51,532 psi | 83% | 2651 fps | 100% |
| Accurate LT-32 | <<locked>> | 80% | 51,924 psi | 83% | 2674 fps | 100% |
| ADI AR 2206H | <<locked>> | 80% | 39,552 psi | 63% | 2572 fps | 97% |
| ADI AR 2208 | <<locked>> | 82% | 35,940 psi | 58% | 2477 fps | 95% |
| ADI AR 2219 | <<locked>> | 80% | 51,953 psi | 83% | 2762 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 80% | 41,568 psi | 67% | 2589 fps | 98.6% |
| Alliant AR-Comp | <<locked>> | 80% | 41,002 psi | 66% | 2595 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 80% | 48,225 psi | 77% | 2785 fps | 99.2% |
| Alliant Power Pro 2000-MR | 49 gr | 82% | 38,290 psi | 61% | 2638 fps | 95.3% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 32,895 psi | 53% | 2444 fps | 95.9% |
| Alliant Reloder-10x | <<locked>> | 80% | 48,733 psi | 78% | 2667 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 35,433 psi | 57% | 2500 fps | 95.1% |
| Alliant Reloder-16 | <<locked>> | 94% | 39,668 psi | 64% | 2648 fps | 95.6% |
| Alliant Reloder-17 | <<locked>> | 86% | 34,751 psi | 56% | 2562 fps | 95.7% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 50,401 psi | 81% | 2644 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 38,450 psi | 62% | 2566 fps | 95.4% |
| Bofors RP3 | <<locked>> | 80% | 32,213 psi | 52% | 2441 fps | 95.8% |
| Bofors RP7 | <<locked>> | 98% | 52,344 psi | 84% | 2772 fps | 95% |
| Hodgdon Benchmark | <<locked>> | 80% | 43,743 psi | 70% | 2589 fps | 99.3% |
| Hodgdon BL-C2 | <<locked>> | 80% | 40,016 psi | 64% | 2608 fps | 98.8% |
| Hodgdon CFE223 | <<locked>> | 80% | 43,830 psi | 70% | 2736 fps | 97.6% |
| Hodgdon H322 | <<locked>> | 80% | 47,558 psi | 76% | 2697 fps | 100% |
| Hodgdon H335 | <<locked>> | 80% | 48,269 psi | 77% | 2717 fps | 100% |
| Hodgdon H380 | <<locked>> | 86% | 40,567 psi | 65% | 2602 fps | 95.3% |
| Hodgdon H414 | <<locked>> | 98% | 48,530 psi | 78% | 2805 fps | 95% |
| Hodgdon H4895 | <<locked>> | 80% | 39,856 psi | 64% | 2585 fps | 97.7% |
| Hodgdon Hybrid 100V | <<locked>> | 92% | 34,084 psi | 55% | 2490 fps | 95.6% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 35,737 psi | 57% | 2546 fps | 97% |
| Hodgdon TrailBoss | <<locked>> | 80% | 25,875 psi | 41% | 1526 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 38,450 psi | 62% | 2539 fps | 97.2% |
| IMR 3031 | <<locked>> | 80% | 38,928 psi | 62% | 2592 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 35,346 psi | 57% | 2457 fps | 95.1% |
| IMR 4166 Enduron | <<locked>> | 90% | 51,866 psi | 83% | 2740 fps | 95.6% |
| IMR 4198 | <<locked>> | 80% | 49,182 psi | 79% | 2631 fps | 100% |
| IMR 4451 Enduron | <<locked>> | 96% | 51,343 psi | 82% | 2762 fps | 95.4% |
| IMR 4831 | <<locked>> | 94% | 37,652 psi | 60% | 2589 fps | 95.1% |
| IMR 4895 | <<locked>> | 80% | 36,260 psi | 58% | 2533 fps | 96.1% |
| IMR 8208 XBR | <<locked>> | 80% | 41,568 psi | 67% | 2589 fps | 98.6% |
| Lovex D073.5 | <<locked>> | 80% | 46,789 psi | 75% | 2677 fps | 99.8% |
| Lovex D073.6 | <<locked>> | 80% | 38,174 psi | 61% | 2556 fps | 99.2% |
| Lovex S060 | <<locked>> | 80% | 40,190 psi | 64% | 2520 fps | 97.2% |
| Lovex S062 | <<locked>> | 80% | 35,099 psi | 56% | 2464 fps | 97.1% |
| Lovex S065 | <<locked>> | 94% | 44,208 psi | 71% | 2648 fps | 95.3% |
| Norma 201 | <<locked>> | 80% | 38,986 psi | 63% | 2536 fps | 98.1% |
| Norma 202 | <<locked>> | 80% | 38,957 psi | 62% | 2546 fps | 99.6% |
| Norma 203B | <<locked>> | 80% | 34,824 psi | 56% | 2490 fps | 95.6% |
| Norma URP | <<locked>> | 94% | 39,537 psi | 63% | 2638 fps | 95.5% |
| Ramshot Big Game | <<locked>> | 80% | 34,389 psi | 55% | 2500 fps | 95% |
| Ramshot TAC | <<locked>> | 82% | 44,483 psi | 71% | 2641 fps | 95.6% |
| Ramshot Wild Boar | <<locked>> | 80% | 40,669 psi | 65% | 2605 fps | 97.3% |
| Ramshot X-Terminator | <<locked>> | 80% | 45,208 psi | 72% | 2638 fps | 98.1% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,121 psi | 42% | 1565 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 46,673 psi | 75% | 2677 fps | 99.9% |
| ReloadSwiss RS 50 | <<locked>> | 90% | 47,123 psi | 76% | 2700 fps | 95.2% |
| ReloadSwiss RS 52 | 46.3 gr | 80% | 36,651 psi | 59% | 2595 fps | 95.5% |
| ReloadSwiss RS 60 | 47 gr | 80% | 30,298 psi | 49% | 2451 fps | 96.4% |
| ReloadSwiss RS 62 | <<locked>> | 94% | 39,015 psi | 63% | 2654 fps | 95% |
| ReloadSwiss RS 70 | <<locked>> | 96% | 42,656 psi | 68% | 2723 fps | 95% |
| Rottweil R 901 | <<locked>> | 80% | 42,714 psi | 68% | 2589 fps | 99.8% |
| Rottweil R 902 | <<locked>> | 80% | 36,927 psi | 59% | 2484 fps | 97.6% |
| Rottweil R 903 | <<locked>> | 82% | 32,518 psi | 52% | 2438 fps | 95.5% |
| Rottweil R 907 | <<locked>> | 98% | 52,344 psi | 84% | 2772 fps | 95% |
| Shooters World Long Rifle | <<locked>> | 94% | 44,208 psi | 71% | 2648 fps | 95.3% |
| Shooters World Match Rifle | <<locked>> | 80% | 38,174 psi | 61% | 2556 fps | 99.2% |
| Shooters World Precision | <<locked>> | 80% | 35,099 psi | 56% | 2464 fps | 97.1% |
| Shooters World Tactical Rifle | <<locked>> | 80% | 49,516 psi | 79% | 2697 fps | 99.4% |
| SNPE Vectan SP 10 | <<locked>> | 80% | 52,301 psi | 84% | 2776 fps | 100% |
| SNPE Vectan SP 11 | <<locked>> | 84% | 35,839 psi | 57% | 2539 fps | 95.7% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 49,472 psi | 79% | 2687 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 82% | 42,337 psi | 68% | 2608 fps | 95.7% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 38,203 psi | 61% | 2543 fps | 96.6% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 40,480 psi | 65% | 2503 fps | 99.7% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 33,301 psi | 53% | 2365 fps | 99.4% |
| SNPE Vectan Tubal 7000 | <<locked>> | 98% | 50,198 psi | 80% | 2700 fps | 95.2% |
| Somchem S321 | <<locked>> | 80% | 44,614 psi | 72% | 2667 fps | 99.3% |
| Somchem S335 | <<locked>> | 80% | 40,059 psi | 64% | 2507 fps | 99.9% |
| Somchem S341 | <<locked>> | 80% | 39,175 psi | 63% | 2556 fps | 96.8% |
| Somchem S355 | <<locked>> | 82% | 33,591 psi | 54% | 2451 fps | 95.7% |
| Somchem S365 | <<locked>> | 90% | 31,111 psi | 50% | 2477 fps | 96% |
| Vihtavuori N130 | <<locked>> | 80% | 45,818 psi | 73% | 2575 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 40,611 psi | 65% | 2503 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 35,984 psi | 58% | 2480 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 36,709 psi | 59% | 2484 fps | 99.5% |
| Vihtavuori N150 | <<locked>> | 80% | 29,704 psi | 48% | 2336 fps | 95.8% |
| Vihtavuori N160 | <<locked>> | 92% | 39,073 psi | 63% | 2589 fps | 95.2% |
| Vihtavuori N530 | <<locked>> | 80% | 41,539 psi | 67% | 2585 fps | 98.7% |
| Vihtavuori N540 | <<locked>> | 80% | 35,404 psi | 57% | 2470 fps | 99% |
| Vihtavuori N550 | <<locked>> | 94% | 40,698 psi | 65% | 2641 fps | 95.5% |
| Winchester 6.5 StaBALL | <<locked>> | 86% | 32,634 psi | 52% | 2411 fps | 95% |
| Winchester 748 | <<locked>> | 80% | 40,582 psi | 65% | 2625 fps | 99.1% |
| Winchester 760 | <<locked>> | 98% | 48,530 psi | 78% | 2805 fps | 95% |
| Winchester StaBALL Match | <<locked>> | 80% | 37,405 psi | 60% | 2543 fps | 97% |
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 98 powders for .30-06 Ackley Improved loaded with the .308 | 161gr | TWENTY-NINE Ball Tip. ReloadSwiss RS 60 delivers the highest muzzle velocity at 2,976 fps; across all powders the maximum-charge window runs from 1,709 fps to 2,976 fps. Accurate 4350 gives the best case fill at 100 %, and 98 of the 98 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (430 MPa), the top charges use 56–90 %, leaving at least 10 % headroom. The 161.0 gr projectile in 0.308" calls for a 1:12.0 twist; slower twists will usually not stabilise this weight. Accurate 4350, Alliant Reloder-16, Alliant Reloder-17 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, ReloadSwiss RS 52 rank at the top here: for .30-06 Ackley Improved with the .308 | 161gr | TWENTY-NINE Ball Tip 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.