
Load Specifications
Load data in caliber 8 x 68 S with .323 | 175gr | Brenneke TAG bullet and 101 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 60, Alliant Reloder-17 and Alliant Power Pro 2000-MR.
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>> | 86% | 57,609 psi | 90% | 2881 fps | 100% |
| Accurate 2460 | <<locked>> | 82% | 56,014 psi | 88% | 2910 fps | 100% |
| Accurate 2495 | <<locked>> | 90% | 56,014 psi | 88% | 2904 fps | 100% |
| Accurate 2520 | <<locked>> | 84% | 54,694 psi | 86% | 2927 fps | 100% |
| Accurate 2700 | <<locked>> | 90% | 55,825 psi | 87% | 2913 fps | 97.3% |
| Accurate 4064 | <<locked>> | 92% | 56,130 psi | 88% | 2956 fps | 100% |
| Accurate 4350ᴾ | <<locked>> | 100% | 56,347 psi | 88% | 3045 fps | 99.8% |
| ADI AR 2206H | <<locked>> | 88% | 57,058 psi | 89% | 2995 fps | 100% |
| ADI AR 2208 | <<locked>> | 92% | 54,665 psi | 86% | 2943 fps | 99.8% |
| ADI Benchmark 8208 | <<locked>> | 86% | 56,072 psi | 88% | 2943 fps | 100% |
| Alliant AR-Comp | <<locked>> | 86% | 56,884 psi | 89% | 2913 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 90% | 57,000 psi | 89% | 3123 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 92% | 54,404 psi | 85% | 2963 fps | 100% |
| Alliant Reloder-10x | <<locked>> | 82% | 57,217 psi | 90% | 2887 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 90% | 55,129 psi | 86% | 2989 fps | 99.9% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 54,201 psi | 85% | 3051 fps | 99.8% |
| Alliant Reloder-17 | <<locked>> | 96% | 55,477 psi | 87% | 3091 fps | 100% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 38,406 psi | 60% | 2772 fps | 98.7% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 42,975 psi | 67% | 2933 fps | 97.9% |
| Baschieri & Pellagri 107 | <<locked>> | 88% | 57,130 psi | 90% | 3015 fps | 99.8% |
| Bofors RP3 | <<locked>> | 92% | 55,013 psi | 86% | 2979 fps | 100% |
| Bofors RP7 | <<locked>> | 96% | 55,085 psi | 86% | 2943 fps | 97.4% |
| Hodgdon Benchmark | <<locked>> | 86% | 57,624 psi | 90% | 2923 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 86% | 55,376 psi | 87% | 2972 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 84% | 57,740 psi | 90% | 3081 fps | 100% |
| Hodgdon H322 | <<locked>> | 82% | 56,710 psi | 89% | 2933 fps | 100% |
| Hodgdon H380 | <<locked>> | 92% | 56,144 psi | 88% | 2992 fps | 99.5% |
| Hodgdon H414 | <<locked>> | 98% | 55,738 psi | 87% | 3045 fps | 98.2% |
| Hodgdon H4350 | <<locked>> | 96% | 56,420 psi | 88% | 3005 fps | 97% |
| Hodgdon H4895 | <<locked>> | 88% | 57,653 psi | 90% | 3005 fps | 100% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 50,241 psi | 79% | 2920 fps | 99.9% |
| Hodgdon LEVERevolution | <<locked>> | 90% | 57,217 psi | 90% | 3038 fps | 100% |
| Hodgdon Superformance | <<locked>> | 98% | 56,855 psi | 89% | 3087 fps | 98% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,302 psi | 55% | 1808 fps | 100% |
| Hodgdon VARGET | <<locked>> | 88% | 55,492 psi | 87% | 2956 fps | 100% |
| IMR 3031 | <<locked>> | 88% | 57,609 psi | 90% | 2982 fps | 100% |
| IMR 4064 | <<locked>> | 92% | 57,624 psi | 90% | 2976 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 90% | 57,682 psi | 90% | 2959 fps | 98.3% |
| IMR 4198 | <<locked>> | 82% | 57,290 psi | 90% | 2841 fps | 100% |
| IMR 4350ᴾ | <<locked>> | 100% | 55,521 psi | 87% | 2972 fps | 97.5% |
| IMR 4451 Enduron | <<locked>> | 96% | 57,348 psi | 90% | 2982 fps | 98.2% |
| IMR 4831ᴾ | <<locked>> | 100% | 53,098 psi | 83% | 2979 fps | 99.6% |
| IMR 4895 | <<locked>> | 90% | 56,550 psi | 89% | 3018 fps | 100% |
| IMR 8208 XBR | <<locked>> | 86% | 56,072 psi | 88% | 2943 fps | 100% |
| Lovex D073.5 | <<locked>> | 82% | 55,941 psi | 88% | 2923 fps | 100% |
| Lovex D073.6 | <<locked>> | 88% | 56,594 psi | 89% | 2963 fps | 100% |
| Lovex S060 | <<locked>> | 88% | 56,550 psi | 89% | 2920 fps | 100% |
| Lovex S062 | <<locked>> | 92% | 57,116 psi | 90% | 2966 fps | 100% |
| Lovex S065 | <<locked>> | 98% | 56,405 psi | 88% | 2969 fps | 99.1% |
| Lovex S070ᴾ | <<locked>> | 100% | 57,276 psi | 90% | 3005 fps | 98.5% |
| Norma 201 | <<locked>> | 88% | 55,448 psi | 87% | 2933 fps | 100% |
| Norma 202 | <<locked>> | 88% | 56,289 psi | 88% | 2936 fps | 100% |
| Norma 203B | <<locked>> | 90% | 54,302 psi | 85% | 2972 fps | 100% |
| Norma 204ᴾ | <<locked>> | 100% | 56,434 psi | 88% | 3028 fps | 96.5% |
| Norma URPᴾ | <<locked>> | 100% | 55,288 psi | 87% | 3031 fps | 99.7% |
| Ramshot Big Game | <<locked>> | 90% | 54,984 psi | 86% | 2999 fps | 100% |
| Ramshot Hunterᴾ | <<locked>> | 100% | 54,273 psi | 85% | 3028 fps | 98.7% |
| Ramshot TAC | <<locked>> | 86% | 56,449 psi | 88% | 2966 fps | 99.2% |
| Ramshot Wild Boar | <<locked>> | 86% | 55,985 psi | 88% | 2982 fps | 100% |
| Ramshot X-Terminator | <<locked>> | 84% | 56,884 psi | 89% | 2943 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,607 psi | 56% | 1847 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 82% | 55,492 psi | 87% | 2923 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 92% | 56,565 psi | 89% | 2976 fps | 98.6% |
| ReloadSwiss RS 52 | <<locked>> | 88% | 55,666 psi | 87% | 3054 fps | 99.9% |
| ReloadSwiss RS 60 | <<locked>> | 94% | 55,158 psi | 86% | 3087 fps | 100% |
| ReloadSwiss RS 62ᴾ | <<locked>> | 100% | 56,275 psi | 88% | 3071 fps | 99.7% |
| ReloadSwiss RS 70ᴾ | <<locked>> | 100% | 56,086 psi | 88% | 3104 fps | 99.6% |
| Rottweil R 901 | <<locked>> | 86% | 56,130 psi | 88% | 2913 fps | 100% |
| Rottweil R 902 | <<locked>> | 90% | 55,970 psi | 88% | 2933 fps | 100% |
| Rottweil R 903 | <<locked>> | 94% | 54,868 psi | 86% | 2969 fps | 100% |
| Rottweil R 907 | <<locked>> | 96% | 55,085 psi | 86% | 2943 fps | 97.4% |
| Shooters World Long Rifle | <<locked>> | 98% | 56,405 psi | 88% | 2969 fps | 99.1% |
| Shooters World Match Rifle | <<locked>> | 88% | 56,594 psi | 89% | 2963 fps | 100% |
| Shooters World Precision | <<locked>> | 92% | 57,116 psi | 90% | 2966 fps | 100% |
| Shooters World SW4350ᴾ | <<locked>> | 100% | 57,276 psi | 90% | 3005 fps | 98.5% |
| SNPE Vectan SP 11 | <<locked>> | 94% | 56,797 psi | 89% | 3035 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 86% | 54,781 psi | 86% | 2940 fps | 99.3% |
| SNPE Vectan SP 9 | <<locked>> | 88% | 55,477 psi | 87% | 2966 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 88% | 57,246 psi | 90% | 2871 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 94% | 57,551 psi | 90% | 2867 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 98% | 56,840 psi | 89% | 2923 fps | 98.1% |
| Somchem S321 | <<locked>> | 84% | 57,246 psi | 90% | 2976 fps | 100% |
| Somchem S335 | <<locked>> | 88% | 56,391 psi | 88% | 2867 fps | 100% |
| Somchem S341 | <<locked>> | 86% | 54,476 psi | 85% | 2933 fps | 99.9% |
| Somchem S355 | <<locked>> | 94% | 55,042 psi | 86% | 2963 fps | 100% |
| Somchem S365ᴾ | <<locked>> | 100% | 49,603 psi | 78% | 2979 fps | 100% |
| Vihtavuori N130 | <<locked>> | 84% | 56,782 psi | 89% | 2831 fps | 100% |
| Vihtavuori N133 | <<locked>> | 88% | 57,479 psi | 90% | 2854 fps | 100% |
| Vihtavuori N135 | <<locked>> | 90% | 55,680 psi | 87% | 2894 fps | 100% |
| Vihtavuori N140 | <<locked>> | 90% | 56,855 psi | 89% | 2913 fps | 100% |
| Vihtavuori N150 | <<locked>> | 96% | 56,942 psi | 89% | 2946 fps | 100% |
| Vihtavuori N160 | <<locked>> | 98% | 54,404 psi | 85% | 2976 fps | 99.6% |
| Vihtavuori N530 | <<locked>> | 86% | 56,492 psi | 89% | 2943 fps | 100% |
| Vihtavuori N540 | <<locked>> | 90% | 54,810 psi | 86% | 2910 fps | 100% |
| Vihtavuori N550ᴾ | <<locked>> | 100% | 56,985 psi | 89% | 3035 fps | 99.7% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 41,872 psi | 66% | 2848 fps | 98.5% |
| Winchester 6.5 StaBALL | <<locked>> | 98% | 54,839 psi | 86% | 2953 fps | 100% |
| Winchester 748 | <<locked>> | 86% | 56,594 psi | 89% | 2992 fps | 100% |
| Winchester 760 | <<locked>> | 98% | 55,999 psi | 88% | 3048 fps | 98.2% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 34,243 psi | 54% | 2766 fps | 98.4% |
| Winchester StaBALL Match | <<locked>> | 88% | 55,274 psi | 87% | 2972 fps | 100% |
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% | 47,747 psi | 75% | 2743 fps | 100% |
| Accurate 2460 | <<locked>> | 80% | 52,489 psi | 82% | 2861 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 39,958 psi | 63% | 2654 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 47,485 psi | 74% | 2818 fps | 100% |
| Accurate 2700 | <<locked>> | 84% | 45,687 psi | 72% | 2740 fps | 95% |
| Accurate 4064 | <<locked>> | 80% | 37,855 psi | 59% | 2648 fps | 100% |
| Accurate 4350 | <<locked>> | 86% | 34,287 psi | 54% | 2631 fps | 95.7% |
| ADI AR 2206H | <<locked>> | 80% | 43,990 psi | 69% | 2772 fps | 99.1% |
| ADI AR 2208 | <<locked>> | 80% | 37,478 psi | 59% | 2621 fps | 97.2% |
| ADI Benchmark 8208 | <<locked>> | 80% | 46,151 psi | 72% | 2782 fps | 99.9% |
| Alliant AR-Comp | <<locked>> | 80% | 46,441 psi | 73% | 2769 fps | 100% |
| Alliant Power Pro 2000-MR | 59.9 gr | 80% | 40,089 psi | 63% | 2805 fps | 97.8% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 36,927 psi | 58% | 2641 fps | 98.5% |
| Alliant Reloder-10x | <<locked>> | 80% | 53,882 psi | 84% | 2841 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 39,697 psi | 62% | 2707 fps | 98% |
| Alliant Reloder-16 | <<locked>> | 86% | 34,751 psi | 54% | 2651 fps | 95.8% |
| Alliant Reloder-17 | 59 gr | 80% | 31,894 psi | 50% | 2602 fps | 96.6% |
| Alliant Reloder-23 | <<locked>> | 92% | 29,834 psi | 47% | 2543 fps | 95.4% |
| Alliant Reloder-26 | <<locked>> | 96% | 37,231 psi | 58% | 2799 fps | 96% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 43,366 psi | 68% | 2779 fps | 98.3% |
| Bofors RP3 | <<locked>> | 80% | 36,521 psi | 57% | 2644 fps | 98.6% |
| Bofors RP7 | <<locked>> | 90% | 45,600 psi | 71% | 2779 fps | 95.3% |
| Hodgdon Benchmark | <<locked>> | 80% | 47,993 psi | 75% | 2776 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 80% | 44,991 psi | 71% | 2805 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 80% | 49,908 psi | 78% | 2959 fps | 99.6% |
| Hodgdon H322 | <<locked>> | 80% | 53,084 psi | 83% | 2884 fps | 100% |
| Hodgdon H380 | <<locked>> | 80% | 37,463 psi | 59% | 2648 fps | 96.1% |
| Hodgdon H414 | <<locked>> | 90% | 42,453 psi | 67% | 2805 fps | 95.2% |
| Hodgdon H4350 | <<locked>> | 92% | 49,676 psi | 78% | 2894 fps | 95.6% |
| Hodgdon H4895 | <<locked>> | 80% | 44,425 psi | 70% | 2785 fps | 99.5% |
| Hodgdon Hybrid 100V | <<locked>> | 84% | 29,689 psi | 47% | 2484 fps | 95.7% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 40,466 psi | 63% | 2753 fps | 99.3% |
| Hodgdon Superformance | <<locked>> | 92% | 45,556 psi | 71% | 2887 fps | 95.5% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,281 psi | 41% | 1617 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 42,859 psi | 67% | 2740 fps | 99.3% |
| IMR 3031 | <<locked>> | 80% | 44,063 psi | 69% | 2779 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 39,349 psi | 62% | 2657 fps | 97.9% |
| IMR 4166 Enduron | <<locked>> | 82% | 44,628 psi | 70% | 2733 fps | 95.7% |
| IMR 4198 | <<locked>> | 80% | 53,896 psi | 84% | 2799 fps | 100% |
| IMR 4350 | <<locked>> | 94% | 45,876 psi | 72% | 2805 fps | 95.4% |
| IMR 4451 Enduron | <<locked>> | 88% | 44,628 psi | 70% | 2762 fps | 95.6% |
| IMR 4831 | <<locked>> | 86% | 33,315 psi | 52% | 2589 fps | 95.3% |
| IMR 4895 | <<locked>> | 80% | 40,683 psi | 64% | 2736 fps | 98.7% |
| IMR 8208 XBR | <<locked>> | 80% | 46,151 psi | 72% | 2782 fps | 99.9% |
| Lovex D073.5 | <<locked>> | 80% | 52,185 psi | 82% | 2871 fps | 100% |
| Lovex D073.6 | <<locked>> | 80% | 43,192 psi | 68% | 2753 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 44,164 psi | 69% | 2713 fps | 99.2% |
| Lovex S062 | <<locked>> | 80% | 39,059 psi | 61% | 2657 fps | 99.2% |
| Lovex S065 | <<locked>> | 86% | 38,638 psi | 61% | 2644 fps | 95.5% |
| Lovex S070 | <<locked>> | 90% | 41,756 psi | 65% | 2733 fps | 95.2% |
| Norma 201 | <<locked>> | 80% | 43,004 psi | 67% | 2723 fps | 99.7% |
| Norma 202 | <<locked>> | 80% | 43,395 psi | 68% | 2733 fps | 100% |
| Norma 203B | <<locked>> | 80% | 39,044 psi | 61% | 2694 fps | 98.3% |
| Norma 204 | <<locked>> | 98% | 52,562 psi | 82% | 2963 fps | 95.6% |
| Norma URP | <<locked>> | 86% | 34,722 psi | 54% | 2635 fps | 95.6% |
| Ramshot Big Game | <<locked>> | 80% | 38,754 psi | 61% | 2707 fps | 98.1% |
| Ramshot Hunter | <<locked>> | 90% | 38,812 psi | 61% | 2733 fps | 95% |
| Ramshot TAC | <<locked>> | 80% | 46,064 psi | 72% | 2789 fps | 97.6% |
| Ramshot Wild Boar | <<locked>> | 80% | 45,687 psi | 72% | 2812 fps | 99.3% |
| Ramshot X-Terminator | <<locked>> | 80% | 49,864 psi | 78% | 2835 fps | 99.7% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,455 psi | 41% | 1654 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 51,808 psi | 81% | 2867 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 82% | 40,625 psi | 64% | 2690 fps | 95.3% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 41,959 psi | 66% | 2815 fps | 98.4% |
| ReloadSwiss RS 60 | 59 gr | 80% | 33,997 psi | 53% | 2674 fps | 99.4% |
| ReloadSwiss RS 62 | <<locked>> | 86% | 34,229 psi | 54% | 2651 fps | 95.2% |
| ReloadSwiss RS 70 | <<locked>> | 88% | 36,883 psi | 58% | 2717 fps | 95.2% |
| Rottweil R 901 | <<locked>> | 80% | 46,760 psi | 73% | 2766 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 40,857 psi | 64% | 2674 fps | 99.4% |
| Rottweil R 903 | <<locked>> | 80% | 34,171 psi | 54% | 2582 fps | 97.7% |
| Rottweil R 907 | <<locked>> | 90% | 45,600 psi | 71% | 2779 fps | 95.3% |
| Shooters World Long Rifle | <<locked>> | 86% | 38,638 psi | 61% | 2644 fps | 95.5% |
| Shooters World Match Rifle | <<locked>> | 80% | 43,192 psi | 68% | 2753 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 39,059 psi | 61% | 2657 fps | 99.2% |
| Shooters World SW4350 | <<locked>> | 90% | 41,756 psi | 65% | 2733 fps | 95.2% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 35,433 psi | 56% | 2638 fps | 97.2% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 44,237 psi | 69% | 2759 fps | 97.7% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 42,714 psi | 67% | 2743 fps | 98.9% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 44,556 psi | 70% | 2680 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 36,985 psi | 58% | 2543 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 90% | 43,613 psi | 68% | 2703 fps | 95.5% |
| Somchem S321 | <<locked>> | 80% | 49,966 psi | 78% | 2867 fps | 100% |
| Somchem S335 | <<locked>> | 80% | 44,019 psi | 69% | 2677 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 44,150 psi | 69% | 2759 fps | 99.1% |
| Somchem S355 | <<locked>> | 80% | 35,128 psi | 55% | 2592 fps | 97.7% |
| Somchem S365 | <<locked>> | 82% | 27,006 psi | 42% | 2464 fps | 95.9% |
| Vihtavuori N130 | <<locked>> | 80% | 50,372 psi | 79% | 2743 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 44,933 psi | 70% | 2674 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 40,466 psi | 63% | 2657 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 41,089 psi | 64% | 2667 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 33,402 psi | 52% | 2526 fps | 98.5% |
| Vihtavuori N160 | <<locked>> | 84% | 34,084 psi | 53% | 2585 fps | 95.3% |
| Vihtavuori N530 | <<locked>> | 80% | 46,427 psi | 73% | 2785 fps | 99.9% |
| Vihtavuori N540 | <<locked>> | 80% | 39,653 psi | 62% | 2657 fps | 100% |
| Vihtavuori N550 | <<locked>> | 86% | 35,795 psi | 56% | 2641 fps | 95.7% |
| Vihtavuori N555 | <<locked>> | 92% | 31,908 psi | 50% | 2618 fps | 95.5% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 29,675 psi | 47% | 2444 fps | 95.8% |
| Winchester 748 | <<locked>> | 80% | 46,079 psi | 72% | 2828 fps | 100% |
| Winchester 760 | <<locked>> | 90% | 42,656 psi | 67% | 2812 fps | 95.3% |
| Winchester StaBALL HD | <<locked>> | 96% | 29,979 psi | 47% | 2625 fps | 96.1% |
| Winchester StaBALL Match | <<locked>> | 80% | 42,090 psi | 66% | 2746 fps | 99.2% |
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 117 powders for 8 x 68 S loaded with the .323 | 175gr | Brenneke TAG. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 3,123 fps; across all powders the maximum-charge window runs from 1,808 fps to 3,123 fps. Accurate 3100 gives the best case fill at 100 %, and 117 of the 117 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (440 MPa), the top charges use 51–90 %, leaving at least 10 % headroom. The 175.0 gr projectile in 0.323" calls for a 1:13.5 twist; slower twists will usually not stabilise this weight. Accurate 3100, Accurate 4350, ADI AR 2209 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 60, Alliant Reloder-17, Alliant Power Pro 2000-MR rank at the top here: for 8 x 68 S with the .323 | 175gr | Brenneke TAG they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, ADI AR 2209, Alliant Reloder-19, Alliant Reloder-22 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.