Load Specifications
Load data in caliber 8 x 68 S with .323 | 180gr | Nosler Ballistic Tip Hunting bullet and 101 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, 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.
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 2015 | <<locked>> | 84% | 55,622 psi | 87% | 2799 fps | 100% |
| Accurate 2460 | <<locked>> | 82% | 57,479 psi | 90% | 2874 fps | 100% |
| Accurate 2495 | <<locked>> | 88% | 54,288 psi | 85% | 2825 fps | 100% |
| Accurate 2520 | <<locked>> | 84% | 54,273 psi | 85% | 2877 fps | 100% |
| Accurate 2700 | <<locked>> | 92% | 54,404 psi | 85% | 2828 fps | 97.1% |
| Accurate 3100ᴾ | <<locked>> | 100% | 41,350 psi | 65% | 2717 fps | 96.2% |
| Accurate 4064 | <<locked>> | 90% | 54,433 psi | 85% | 2874 fps | 100% |
| Accurate 4350 | <<locked>> | 98% | 53,998 psi | 85% | 2956 fps | 99.7% |
| ADI AR 2206H | <<locked>> | 86% | 54,781 psi | 86% | 2907 fps | 100% |
| ADI AR 2208 | <<locked>> | 92% | 55,564 psi | 87% | 2904 fps | 99.9% |
| ADI Benchmark 8208 | <<locked>> | 86% | 57,232 psi | 90% | 2907 fps | 100% |
| Alliant AR-Comp | <<locked>> | 84% | 54,534 psi | 85% | 2828 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 88% | 54,273 psi | 85% | 3025 fps | 99.9% |
| Alliant Reloder- TS 15.5 | <<locked>> | 92% | 55,608 psi | 87% | 2923 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 90% | 56,260 psi | 88% | 2949 fps | 100% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 55,201 psi | 87% | 3015 fps | 99.9% |
| Alliant Reloder-17 | <<locked>> | 96% | 56,724 psi | 89% | 3054 fps | 100% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 39,552 psi | 62% | 2749 fps | 99% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 44,121 psi | 69% | 2910 fps | 98.3% |
| Baschieri & Pellagri 107 | <<locked>> | 86% | 54,520 psi | 85% | 2920 fps | 99.7% |
| Bofors RP3 | <<locked>> | 92% | 56,507 psi | 89% | 2943 fps | 100% |
| Bofors RP7 | <<locked>> | 96% | 56,347 psi | 88% | 2910 fps | 97.7% |
| Hodgdon Benchmark | <<locked>> | 84% | 55,347 psi | 87% | 2835 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 86% | 56,594 psi | 89% | 2936 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 82% | 54,911 psi | 86% | 2986 fps | 99.9% |
| Hodgdon H322 | <<locked>> | 84% | 57,101 psi | 89% | 2884 fps | 100% |
| Hodgdon H380 | <<locked>> | 92% | 57,508 psi | 90% | 2959 fps | 99.7% |
| Hodgdon H414 | <<locked>> | 94% | 54,911 psi | 86% | 2979 fps | 98.2% |
| Hodgdon H4350 | <<locked>> | 98% | 55,361 psi | 87% | 2936 fps | 96.9% |
| Hodgdon H4895 | <<locked>> | 86% | 55,303 psi | 87% | 2917 fps | 100% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 51,387 psi | 81% | 2884 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 90% | 54,563 psi | 86% | 2946 fps | 100% |
| Hodgdon Superformance | <<locked>> | 96% | 53,838 psi | 84% | 2989 fps | 97.6% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,592 psi | 56% | 1772 fps | 100% |
| Hodgdon VARGET | <<locked>> | 90% | 55,303 psi | 87% | 2900 fps | 100% |
| IMR 3031 | <<locked>> | 90% | 57,203 psi | 90% | 2920 fps | 100% |
| IMR 4064 | <<locked>> | 92% | 54,418 psi | 85% | 2877 fps | 99.9% |
| IMR 4166 Enduron | <<locked>> | 94% | 57,087 psi | 89% | 2897 fps | 98.3% |
| IMR 4350ᴾ | <<locked>> | 100% | 56,637 psi | 89% | 2936 fps | 97.8% |
| IMR 4451 Enduron | <<locked>> | 94% | 54,926 psi | 86% | 2894 fps | 97.9% |
| IMR 4831ᴾ | <<locked>> | 100% | 48,559 psi | 76% | 2854 fps | 99.2% |
| IMR 4895 | <<locked>> | 90% | 57,711 psi | 90% | 2979 fps | 100% |
| IMR 8208 XBR | <<locked>> | 86% | 57,232 psi | 90% | 2907 fps | 100% |
| Lovex D073.5 | <<locked>> | 82% | 57,464 psi | 90% | 2890 fps | 100% |
| Lovex D073.6 | <<locked>> | 86% | 54,520 psi | 85% | 2881 fps | 100% |
| Lovex S060 | <<locked>> | 88% | 57,595 psi | 90% | 2881 fps | 100% |
| Lovex S062 | <<locked>> | 90% | 54,926 psi | 86% | 2881 fps | 100% |
| Lovex S065 | <<locked>> | 98% | 57,522 psi | 90% | 2933 fps | 99.3% |
| Lovex S070 | <<locked>> | 98% | 55,216 psi | 87% | 2920 fps | 98.3% |
| Norma 201 | <<locked>> | 88% | 56,797 psi | 89% | 2897 fps | 100% |
| Norma 202 | <<locked>> | 88% | 57,290 psi | 90% | 2897 fps | 100% |
| Norma 203B | <<locked>> | 90% | 55,434 psi | 87% | 2936 fps | 100% |
| Norma 204ᴾ | <<locked>> | 100% | 57,435 psi | 90% | 2989 fps | 96.8% |
| Norma URPᴾ | <<locked>> | 100% | 56,507 psi | 89% | 2995 fps | 99.8% |
| Ramshot Big Game | <<locked>> | 90% | 56,014 psi | 88% | 2963 fps | 100% |
| Ramshot Hunterᴾ | <<locked>> | 100% | 55,332 psi | 87% | 2995 fps | 98.9% |
| Ramshot TAC | <<locked>> | 86% | 57,493 psi | 90% | 2930 fps | 99.4% |
| Ramshot Wild Boar | <<locked>> | 86% | 57,145 psi | 90% | 2946 fps | 100% |
| Ramshot X-Terminator | <<locked>> | 82% | 54,433 psi | 85% | 2854 fps | 99.9% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,969 psi | 56% | 1814 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 82% | 56,478 psi | 89% | 2881 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 92% | 57,580 psi | 90% | 2936 fps | 98.8% |
| ReloadSwiss RS 52 | <<locked>> | 88% | 56,884 psi | 89% | 3018 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 94% | 56,289 psi | 88% | 3051 fps | 100% |
| ReloadSwiss RS 62ᴾ | <<locked>> | 100% | 57,638 psi | 90% | 3038 fps | 99.8% |
| ReloadSwiss RS 70ᴾ | <<locked>> | 100% | 57,203 psi | 90% | 3068 fps | 99.7% |
| Rottweil R 901 | <<locked>> | 86% | 57,740 psi | 90% | 2877 fps | 100% |
| Rottweil R 902 | <<locked>> | 90% | 57,348 psi | 90% | 2897 fps | 100% |
| Rottweil R 903 | <<locked>> | 94% | 56,072 psi | 88% | 2930 fps | 100% |
| Rottweil R 907 | <<locked>> | 96% | 56,347 psi | 88% | 2910 fps | 97.7% |
| Shooters World Long Rifle | <<locked>> | 98% | 57,522 psi | 90% | 2933 fps | 99.3% |
| Shooters World Match Rifle | <<locked>> | 86% | 54,520 psi | 85% | 2881 fps | 100% |
| Shooters World Precision | <<locked>> | 90% | 54,926 psi | 86% | 2881 fps | 100% |
| Shooters World SW4350 | <<locked>> | 98% | 55,216 psi | 87% | 2920 fps | 98.3% |
| SNPE Vectan SP 11 | <<locked>> | 92% | 54,273 psi | 85% | 2943 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 86% | 56,072 psi | 88% | 2907 fps | 99.5% |
| SNPE Vectan SP 9 | <<locked>> | 88% | 56,565 psi | 89% | 2927 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 86% | 54,810 psi | 86% | 2785 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 92% | 54,984 psi | 86% | 2782 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 96% | 54,607 psi | 86% | 2838 fps | 97.9% |
| Somchem S321 | <<locked>> | 82% | 54,795 psi | 86% | 2887 fps | 100% |
| Somchem S335 | <<locked>> | 88% | 57,624 psi | 90% | 2828 fps | 100% |
| Somchem S341 | <<locked>> | 86% | 55,608 psi | 87% | 2897 fps | 100% |
| Somchem S355 | <<locked>> | 94% | 56,318 psi | 88% | 2930 fps | 100% |
| Somchem S365ᴾ | <<locked>> | 100% | 50,923 psi | 80% | 2946 fps | 100% |
| Somchem S385ᴾ | <<locked>> | 100% | 47,384 psi | 74% | 2822 fps | 96% |
| Unknown powder | <<locked>> | 98% | 57,725 psi | 90% | 3005 fps | 99.6% |
| Vihtavuori N130 | <<locked>> | 82% | 54,549 psi | 85% | 2746 fps | 100% |
| Vihtavuori N133 | <<locked>> | 86% | 55,071 psi | 86% | 2769 fps | 100% |
| Vihtavuori N135 | <<locked>> | 90% | 56,985 psi | 89% | 2854 fps | 100% |
| Vihtavuori N140 | <<locked>> | 88% | 54,563 psi | 86% | 2828 fps | 100% |
| Vihtavuori N150 | <<locked>> | 94% | 54,317 psi | 85% | 2858 fps | 100% |
| Vihtavuori N160 | <<locked>> | 98% | 55,622 psi | 87% | 2940 fps | 99.7% |
| Vihtavuori N530 | <<locked>> | 86% | 57,725 psi | 90% | 2904 fps | 100% |
| Vihtavuori N540 | <<locked>> | 90% | 55,985 psi | 88% | 2871 fps | 100% |
| Vihtavuori N550 | <<locked>> | 98% | 54,694 psi | 86% | 2946 fps | 99.6% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 43,279 psi | 68% | 2825 fps | 98.9% |
| Winchester 6.5 StaBALL | <<locked>> | 98% | 55,898 psi | 88% | 2917 fps | 100% |
| Winchester 748 | <<locked>> | 82% | 54,549 psi | 85% | 2910 fps | 100% |
| Winchester 760 | <<locked>> | 94% | 54,911 psi | 86% | 2979 fps | 98.2% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 35,375 psi | 55% | 2749 fps | 98.9% |
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 2015 | <<locked>> | 80% | 49,037 psi | 77% | 2707 fps | 100% |
| Accurate 2460 | <<locked>> | 80% | 53,896 psi | 84% | 2825 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 41,785 psi | 65% | 2635 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 47,326 psi | 74% | 2772 fps | 100% |
| Accurate 2700 | <<locked>> | 88% | 47,935 psi | 75% | 2720 fps | 95.7% |
| Accurate 3100 | <<locked>> | 98% | 38,551 psi | 60% | 2657 fps | 95.3% |
| Accurate 4064 | <<locked>> | 80% | 39,508 psi | 62% | 2628 fps | 100% |
| Accurate 4350 | <<locked>> | 84% | 33,272 psi | 52% | 2559 fps | 95.4% |
| ADI AR 2206H | <<locked>> | 80% | 45,194 psi | 71% | 2746 fps | 99.4% |
| ADI AR 2208 | <<locked>> | 80% | 38,464 psi | 60% | 2592 fps | 97.6% |
| ADI Benchmark 8208 | <<locked>> | 80% | 47,253 psi | 74% | 2749 fps | 99.9% |
| Alliant AR-Comp | <<locked>> | 80% | 47,688 psi | 75% | 2733 fps | 100% |
| Alliant Power Pro 2000-MR | 58.6 gr | 80% | 41,133 psi | 64% | 2779 fps | 98.2% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 38,116 psi | 60% | 2615 fps | 98.9% |
| Alliant Reloder-15 | <<locked>> | 80% | 40,915 psi | 64% | 2680 fps | 98.3% |
| Alliant Reloder-16 | <<locked>> | 84% | 33,649 psi | 53% | 2572 fps | 95.5% |
| Alliant Reloder-17 | 57.7 gr | 80% | 32,909 psi | 52% | 2582 fps | 97.1% |
| Alliant Reloder-23 | <<locked>> | 90% | 29,124 psi | 46% | 2474 fps | 95.2% |
| Alliant Reloder-26 | <<locked>> | 94% | 35,824 psi | 56% | 2717 fps | 95.6% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 44,483 psi | 70% | 2749 fps | 98.6% |
| Bofors RP3 | <<locked>> | 80% | 37,811 psi | 59% | 2621 fps | 98.9% |
| Bofors RP7 | <<locked>> | 88% | 43,990 psi | 69% | 2697 fps | 95% |
| Hodgdon Benchmark | <<locked>> | 80% | 49,023 psi | 77% | 2740 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 80% | 46,195 psi | 72% | 2772 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 80% | 51,140 psi | 80% | 2923 fps | 99.7% |
| Hodgdon H322 | <<locked>> | 80% | 50,270 psi | 79% | 2785 fps | 100% |
| Hodgdon H380 | <<locked>> | 80% | 38,609 psi | 61% | 2621 fps | 96.6% |
| Hodgdon H414 | <<locked>> | 86% | 41,829 psi | 66% | 2743 fps | 95.2% |
| Hodgdon H4350 | <<locked>> | 94% | 48,921 psi | 77% | 2828 fps | 95.5% |
| Hodgdon H4895 | <<locked>> | 80% | 45,643 psi | 72% | 2756 fps | 99.7% |
| Hodgdon Hybrid 100V | <<locked>> | 82% | 28,979 psi | 45% | 2415 fps | 95.5% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 39,204 psi | 61% | 2677 fps | 99.2% |
| Hodgdon Superformance | 70.2 gr | 92% | 46,760 psi | 73% | 2864 fps | 96% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,397 psi | 41% | 1581 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 40,538 psi | 64% | 2644 fps | 99% |
| IMR 3031 | <<locked>> | 80% | 41,582 psi | 65% | 2680 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 37,768 psi | 59% | 2572 fps | 97.7% |
| IMR 4166 Enduron | <<locked>> | 84% | 42,380 psi | 66% | 2638 fps | 95.2% |
| IMR 4350 | <<locked>> | 92% | 44,034 psi | 69% | 2723 fps | 95.1% |
| IMR 4451 Enduron | <<locked>> | 86% | 42,888 psi | 67% | 2677 fps | 95.2% |
| IMR 4831 | <<locked>> | 88% | 33,228 psi | 52% | 2539 fps | 95.5% |
| IMR 4895 | <<locked>> | 80% | 41,930 psi | 66% | 2710 fps | 99% |
| IMR 8208 XBR | <<locked>> | 80% | 47,253 psi | 74% | 2749 fps | 99.9% |
| Lovex D073.5 | <<locked>> | 80% | 53,635 psi | 84% | 2835 fps | 100% |
| Lovex D073.6 | <<locked>> | 80% | 44,512 psi | 70% | 2723 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 45,121 psi | 71% | 2677 fps | 99.4% |
| Lovex S062 | <<locked>> | 80% | 40,292 psi | 63% | 2631 fps | 99.4% |
| Lovex S065 | <<locked>> | 84% | 37,521 psi | 59% | 2572 fps | 95.3% |
| Lovex S070 | <<locked>> | 90% | 42,902 psi | 67% | 2703 fps | 95.7% |
| Norma 201 | <<locked>> | 80% | 44,280 psi | 69% | 2697 fps | 99.8% |
| Norma 202 | <<locked>> | 80% | 44,585 psi | 70% | 2703 fps | 100% |
| Norma 203B | <<locked>> | 80% | 40,306 psi | 63% | 2667 fps | 98.7% |
| Norma 204 | <<locked>> | 96% | 50,270 psi | 79% | 2874 fps | 95.2% |
| Norma URP | <<locked>> | 84% | 33,547 psi | 53% | 2559 fps | 95.3% |
| Ramshot Big Game | <<locked>> | 80% | 39,871 psi | 62% | 2680 fps | 98.4% |
| Ramshot Hunter | <<locked>> | 90% | 39,914 psi | 63% | 2710 fps | 95.6% |
| Ramshot TAC | <<locked>> | 80% | 47,181 psi | 74% | 2759 fps | 98% |
| Ramshot Wild Boar | <<locked>> | 80% | 46,804 psi | 73% | 2779 fps | 99.5% |
| Ramshot X-Terminator | <<locked>> | 80% | 50,966 psi | 80% | 2799 fps | 99.8% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,803 psi | 42% | 1621 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 52,968 psi | 83% | 2831 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 82% | 41,742 psi | 65% | 2661 fps | 95.7% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 43,134 psi | 68% | 2785 fps | 98.7% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 35,012 psi | 55% | 2651 fps | 99.6% |
| ReloadSwiss RS 62 | <<locked>> | 86% | 35,404 psi | 55% | 2631 fps | 95.8% |
| ReloadSwiss RS 70 | <<locked>> | 88% | 38,000 psi | 60% | 2700 fps | 95.9% |
| Rottweil R 901 | <<locked>> | 80% | 48,370 psi | 76% | 2736 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 42,119 psi | 66% | 2648 fps | 99.6% |
| Rottweil R 903 | <<locked>> | 80% | 35,578 psi | 56% | 2562 fps | 98.2% |
| Rottweil R 907 | <<locked>> | 88% | 43,990 psi | 69% | 2697 fps | 95% |
| Shooters World Long Rifle | <<locked>> | 84% | 37,521 psi | 59% | 2572 fps | 95.3% |
| Shooters World Match Rifle | <<locked>> | 80% | 44,512 psi | 70% | 2723 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 40,292 psi | 63% | 2631 fps | 99.4% |
| Shooters World SW4350 | <<locked>> | 90% | 42,902 psi | 67% | 2703 fps | 95.7% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 36,477 psi | 57% | 2612 fps | 97.7% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 45,542 psi | 71% | 2733 fps | 98.1% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 43,700 psi | 68% | 2713 fps | 99.2% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 45,556 psi | 71% | 2644 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 37,956 psi | 59% | 2513 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 88% | 42,090 psi | 66% | 2625 fps | 95.2% |
| Somchem S321 | <<locked>> | 80% | 51,198 psi | 80% | 2831 fps | 100% |
| Somchem S335 | <<locked>> | 80% | 45,223 psi | 71% | 2648 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 45,281 psi | 71% | 2730 fps | 99.3% |
| Somchem S355 | <<locked>> | 80% | 36,376 psi | 57% | 2569 fps | 98.2% |
| Somchem S365 | <<locked>> | 80% | 26,426 psi | 41% | 2395 fps | 95.8% |
| Somchem S385 | <<locked>> | 98% | 44,353 psi | 70% | 2766 fps | 95.2% |
| Unknown powder | <<locked>> | 84% | 36,637 psi | 57% | 2621 fps | 95.7% |
| Vihtavuori N130 | <<locked>> | 80% | 51,372 psi | 81% | 2703 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 45,905 psi | 72% | 2638 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 41,669 psi | 65% | 2628 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 42,250 psi | 66% | 2638 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 34,592 psi | 54% | 2507 fps | 98.8% |
| Vihtavuori N160 | <<locked>> | 82% | 32,895 psi | 52% | 2507 fps | 95% |
| Vihtavuori N530 | <<locked>> | 80% | 47,384 psi | 74% | 2746 fps | 100% |
| Vihtavuori N540 | <<locked>> | 80% | 40,698 psi | 64% | 2628 fps | 100% |
| Vihtavuori N550 | <<locked>> | 84% | 34,534 psi | 54% | 2562 fps | 95.4% |
| Vihtavuori N555 | <<locked>> | 90% | 31,198 psi | 49% | 2549 fps | 95.3% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 30,676 psi | 48% | 2428 fps | 96.4% |
| Winchester 748 | <<locked>> | 80% | 50,908 psi | 80% | 2854 fps | 100% |
| Winchester 760 | <<locked>> | 86% | 41,829 psi | 66% | 2743 fps | 95.2% |
| Winchester StaBALL HD | <<locked>> | 94% | 29,225 psi | 46% | 2552 fps | 95.8% |
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 121 powders for 8 x 68 S loaded with the .323 | 180gr | Nosler Ballistic Tip Hunting. ReloadSwiss RS 70 delivers the highest muzzle velocity at 3,068 fps; across all powders the maximum-charge window runs from 1,772 fps to 3,068 fps. Accurate 3100 gives the best case fill at 100 %, and 121 of the 121 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (440 MPa), the top charges use 54–90 %, leaving at least 10 % headroom. The 180.0 gr projectile in 0.323" calls for a 1:14.0 twist; slower twists will usually not stabilise this weight. Accurate 3100, ADI AR 2209, Alliant Reloder-16 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, Hodgdon Superformance, Alliant Reloder-17 rank at the top here: for 8 x 68 S with the .323 | 180gr | Nosler Ballistic Tip Hunting they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, ADI AR 2209, Alliant Reloder-22, Alliant Reloder-25 burn incompletely and react more sensitively to barrel length and temperature. Always begin at the start load and work up in small increments while checking case and primer for pressure signs.