Load Specifications
Load data in caliber 8 x 75 RS with .323 | 170gr | Reichenberg HDB Universal bullet and 82 powders. The key underlying parameters are shown in the table above.
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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Max Load - Barrel Length: 25.6"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 82% | 49,284 psi | 89% | 2789 fps | 100% |
| Accurate 2495 | <<locked>> | 86% | 46,992 psi | 85% | 2799 fps | 100% |
| Accurate 2520 | <<locked>> | 82% | 48,921 psi | 89% | 2864 fps | 100% |
| Accurate 4064 | <<locked>> | 88% | 47,297 psi | 86% | 2848 fps | 100% |
| Accurate 4350 | <<locked>> | 96% | 46,485 psi | 84% | 2904 fps | 98.3% |
| ADI AR 2206H | <<locked>> | 84% | 48,385 psi | 88% | 2874 fps | 99.4% |
| ADI AR 2208 | <<locked>> | 90% | 49,516 psi | 90% | 2874 fps | 99.1% |
| ADI Benchmark 8208 | <<locked>> | 82% | 47,587 psi | 86% | 2828 fps | 99.8% |
| Alliant AR-Comp | <<locked>> | 82% | 47,848 psi | 87% | 2815 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 86% | 47,630 psi | 86% | 2979 fps | 98.9% |
| Alliant Reloder- TS 15.5 | <<locked>> | 90% | 49,298 psi | 89% | 2900 fps | 99.8% |
| Alliant Reloder-15 | <<locked>> | 88% | 49,734 psi | 90% | 2917 fps | 99.3% |
| Alliant Reloder-16 | <<locked>> | 98% | 48,718 psi | 88% | 2972 fps | 99% |
| Alliant Reloder-17 | <<locked>> | 94% | 49,487 psi | 90% | 3012 fps | 99.9% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 36,738 psi | 67% | 2743 fps | 97.6% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 40,944 psi | 74% | 2897 fps | 96.6% |
| Baschieri & Pellagri 107 | <<locked>> | 84% | 47,863 psi | 87% | 2881 fps | 98.6% |
| Bofors RP3 | <<locked>> | 90% | 49,124 psi | 89% | 2907 fps | 99.9% |
| Hodgdon Benchmark | <<locked>> | 82% | 49,574 psi | 90% | 2822 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 84% | 49,676 psi | 90% | 2907 fps | 100% |
| Hodgdon H380 | <<locked>> | 88% | 47,152 psi | 86% | 2861 fps | 97.9% |
| Hodgdon H4895 | <<locked>> | 84% | 48,820 psi | 89% | 2887 fps | 99.7% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 47,993 psi | 87% | 2900 fps | 99.6% |
| Hodgdon LEVERevolution | <<locked>> | 86% | 48,008 psi | 87% | 2917 fps | 99.8% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,186 psi | 64% | 1818 fps | 100% |
| Hodgdon VARGET | <<locked>> | 84% | 46,992 psi | 85% | 2835 fps | 99.5% |
| IMR 3031 | <<locked>> | 84% | 48,385 psi | 88% | 2874 fps | 100% |
| IMR 4064 | <<locked>> | 88% | 49,008 psi | 89% | 2861 fps | 99.2% |
| IMR 4166 Enduron | <<locked>> | 86% | 49,197 psi | 89% | 2831 fps | 96.2% |
| IMR 4451 Enduron | <<locked>> | 92% | 48,907 psi | 89% | 2854 fps | 96% |
| IMR 4831 | <<locked>> | 98% | 47,645 psi | 86% | 2907 fps | 98.6% |
| IMR 4895 | <<locked>> | 86% | 47,805 psi | 87% | 2894 fps | 99.4% |
| IMR 8208 XBR | <<locked>> | 82% | 47,587 psi | 86% | 2828 fps | 99.8% |
| Lovex D073.6 | <<locked>> | 84% | 47,543 psi | 86% | 2851 fps | 100% |
| Lovex S060 | <<locked>> | 84% | 48,414 psi | 88% | 2808 fps | 99.4% |
| Lovex S062 | <<locked>> | 88% | 48,573 psi | 88% | 2858 fps | 99.9% |
| Lovex S065 | <<locked>> | 94% | 47,892 psi | 87% | 2844 fps | 97.3% |
| Lovex S070 | <<locked>> | 96% | 48,588 psi | 88% | 2877 fps | 96.4% |
| Norma 201 | <<locked>> | 84% | 47,079 psi | 85% | 2818 fps | 99.8% |
| Norma 202 | <<locked>> | 84% | 47,776 psi | 87% | 2831 fps | 100% |
| Norma 203B | <<locked>> | 88% | 48,994 psi | 89% | 2904 fps | 99.5% |
| Norma URP | <<locked>> | 98% | 49,661 psi | 90% | 2956 fps | 98.8% |
| Ramshot Big Game | <<locked>> | 88% | 49,284 psi | 89% | 2927 fps | 99.4% |
| Ramshot Hunter | <<locked>> | 98% | 48,559 psi | 88% | 2946 fps | 97.1% |
| Ramshot TAC | <<locked>> | 82% | 47,761 psi | 87% | 2835 fps | 97.4% |
| Ramshot Wild Boar | <<locked>> | 82% | 47,094 psi | 85% | 2854 fps | 99.2% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,447 psi | 64% | 1857 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 88% | 47,645 psi | 86% | 2841 fps | 96.5% |
| ReloadSwiss RS 52 | <<locked>> | 86% | 49,617 psi | 90% | 2976 fps | 99.2% |
| ReloadSwiss RS 60 | <<locked>> | 92% | 49,429 psi | 90% | 3018 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 96% | 46,369 psi | 84% | 2927 fps | 98.1% |
| ReloadSwiss RS 70 | <<locked>> | 96% | 46,760 psi | 85% | 2949 fps | 97.7% |
| Rottweil R 901 | <<locked>> | 82% | 48,167 psi | 87% | 2812 fps | 100% |
| Rottweil R 902 | <<locked>> | 86% | 47,805 psi | 87% | 2825 fps | 99.8% |
| Rottweil R 903 | <<locked>> | 92% | 49,226 psi | 89% | 2900 fps | 99.8% |
| Shooters World Long Rifle | <<locked>> | 94% | 47,892 psi | 87% | 2844 fps | 97.3% |
| Shooters World Match Rifle | <<locked>> | 84% | 47,543 psi | 86% | 2851 fps | 100% |
| Shooters World Precision | <<locked>> | 88% | 48,573 psi | 88% | 2858 fps | 99.9% |
| Shooters World SW4350 | <<locked>> | 96% | 48,588 psi | 88% | 2877 fps | 96.4% |
| SNPE Vectan SP 11 | <<locked>> | 90% | 47,732 psi | 87% | 2907 fps | 99.3% |
| SNPE Vectan SP 7 | <<locked>> | 84% | 49,226 psi | 89% | 2867 fps | 98.2% |
| SNPE Vectan SP 9 | <<locked>> | 84% | 46,905 psi | 85% | 2841 fps | 99.2% |
| SNPE Vectan Tubal 3000 | <<locked>> | 84% | 48,820 psi | 89% | 2769 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 90% | 49,095 psi | 89% | 2772 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 94% | 48,066 psi | 87% | 2795 fps | 95.9% |
| Somchem S335 | <<locked>> | 84% | 48,182 psi | 87% | 2769 fps | 100% |
| Somchem S341 | <<locked>> | 84% | 48,791 psi | 89% | 2861 fps | 99.4% |
| Somchem S355 | <<locked>> | 90% | 46,688 psi | 85% | 2848 fps | 99.5% |
| Somchem S365ᴾ | <<locked>> | 100% | 47,268 psi | 86% | 2959 fps | 100% |
| Vihtavuori N133 | <<locked>> | 84% | 49,110 psi | 89% | 2759 fps | 100% |
| Vihtavuori N135 | <<locked>> | 86% | 47,369 psi | 86% | 2799 fps | 100% |
| Vihtavuori N140 | <<locked>> | 86% | 48,095 psi | 87% | 2808 fps | 100% |
| Vihtavuori N150 | <<locked>> | 92% | 48,008 psi | 87% | 2831 fps | 100% |
| Vihtavuori N160 | <<locked>> | 96% | 48,733 psi | 88% | 2900 fps | 98.5% |
| Vihtavuori N530 | <<locked>> | 82% | 47,703 psi | 87% | 2825 fps | 99.8% |
| Vihtavuori N540 | <<locked>> | 88% | 49,588 psi | 90% | 2854 fps | 100% |
| Vihtavuori N550 | <<locked>> | 96% | 47,935 psi | 87% | 2907 fps | 98.3% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 39,668 psi | 72% | 2818 fps | 97.5% |
| Winchester 6.5 StaBALL | <<locked>> | 96% | 49,298 psi | 89% | 2884 fps | 99.8% |
| Winchester 748 | <<locked>> | 82% | 47,471 psi | 86% | 2874 fps | 100% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 32,779 psi | 59% | 2717 fps | 96.7% |
| Winchester StaBALL Match | <<locked>> | 86% | 49,676 psi | 90% | 2904 fps | 99.8% |
Start Load - Barrel Length: 25.6"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 80% | 46,064 psi | 84% | 2736 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 38,247 psi | 69% | 2644 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 45,745 psi | 83% | 2812 fps | 100% |
| Accurate 4064 | <<locked>> | 80% | 36,201 psi | 66% | 2635 fps | 99.8% |
| Accurate 4350 | <<locked>> | 88% | 34,998 psi | 64% | 2664 fps | 95.2% |
| ADI AR 2206H | <<locked>> | 80% | 42,453 psi | 77% | 2759 fps | 98.5% |
| ADI AR 2208 | <<locked>> | 80% | 36,143 psi | 66% | 2602 fps | 96.2% |
| ADI Benchmark 8208 | <<locked>> | 80% | 44,599 psi | 81% | 2772 fps | 99.5% |
| Alliant AR-Comp | <<locked>> | 80% | 44,541 psi | 81% | 2762 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 38,653 psi | 70% | 2782 fps | 96.7% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 35,462 psi | 64% | 2621 fps | 97.7% |
| Alliant Reloder-15 | <<locked>> | 80% | 38,189 psi | 69% | 2687 fps | 97% |
| Alliant Reloder-16 | <<locked>> | 88% | 35,607 psi | 65% | 2684 fps | 95.4% |
| Alliant Reloder-17 | <<locked>> | 80% | 30,661 psi | 56% | 2575 fps | 95.1% |
| Alliant Reloder-23 | <<locked>> | 96% | 32,387 psi | 59% | 2625 fps | 95.8% |
| Alliant Reloder-26 | <<locked>> | 98% | 38,043 psi | 69% | 2825 fps | 95.5% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 41,843 psi | 76% | 2762 fps | 97.4% |
| Bofors RP3 | <<locked>> | 80% | 34,824 psi | 63% | 2621 fps | 97.6% |
| Hodgdon Benchmark | <<locked>> | 80% | 46,528 psi | 84% | 2766 fps | 99.9% |
| Hodgdon BL-C2 | <<locked>> | 80% | 43,381 psi | 79% | 2795 fps | 99.7% |
| Hodgdon H380 | <<locked>> | 82% | 38,566 psi | 70% | 2687 fps | 95.8% |
| Hodgdon H4895 | <<locked>> | 80% | 42,844 psi | 78% | 2772 fps | 99% |
| Hodgdon Hybrid 100V | <<locked>> | 86% | 30,516 psi | 55% | 2516 fps | 95.2% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 38,841 psi | 70% | 2740 fps | 98.6% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,063 psi | 47% | 1624 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 41,365 psi | 75% | 2726 fps | 98.7% |
| IMR 3031 | <<locked>> | 80% | 42,453 psi | 77% | 2776 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 37,898 psi | 69% | 2638 fps | 97% |
| IMR 4166 Enduron | <<locked>> | 84% | 46,137 psi | 84% | 2776 fps | 95.4% |
| IMR 4451 Enduron | <<locked>> | 90% | 45,876 psi | 83% | 2799 fps | 95.2% |
| IMR 4831 | <<locked>> | 90% | 36,419 psi | 66% | 2680 fps | 95.8% |
| IMR 4895 | <<locked>> | 80% | 39,131 psi | 71% | 2720 fps | 97.9% |
| IMR 8208 XBR | <<locked>> | 80% | 44,599 psi | 81% | 2772 fps | 99.5% |
| Lovex D073.6 | <<locked>> | 80% | 41,292 psi | 75% | 2736 fps | 99.9% |
| Lovex S060 | <<locked>> | 80% | 42,743 psi | 78% | 2700 fps | 98.6% |
| Lovex S062 | <<locked>> | 80% | 37,608 psi | 68% | 2641 fps | 98.5% |
| Lovex S065 | <<locked>> | 88% | 39,813 psi | 72% | 2687 fps | 95.2% |
| Lovex S070 | <<locked>> | 94% | 45,484 psi | 83% | 2822 fps | 95.6% |
| Norma 201 | <<locked>> | 80% | 41,437 psi | 75% | 2710 fps | 99.2% |
| Norma 202 | <<locked>> | 80% | 41,785 psi | 76% | 2723 fps | 100% |
| Norma 203B | <<locked>> | 80% | 37,550 psi | 68% | 2677 fps | 97.4% |
| Norma URP | <<locked>> | 88% | 35,520 psi | 64% | 2671 fps | 95.2% |
| Ramshot Big Game | <<locked>> | 80% | 37,275 psi | 68% | 2690 fps | 97.1% |
| Ramshot Hunter | <<locked>> | 94% | 42,612 psi | 77% | 2831 fps | 95.5% |
| Ramshot TAC | <<locked>> | 80% | 44,657 psi | 81% | 2776 fps | 96.7% |
| Ramshot Wild Boar | <<locked>> | 80% | 43,947 psi | 80% | 2795 fps | 98.7% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,208 psi | 48% | 1660 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 86% | 44,672 psi | 81% | 2785 fps | 95.8% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 39,958 psi | 73% | 2792 fps | 97.5% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 32,706 psi | 59% | 2651 fps | 98.5% |
| ReloadSwiss RS 62 | <<locked>> | 90% | 37,565 psi | 68% | 2746 fps | 95.7% |
| ReloadSwiss RS 70 | <<locked>> | 92% | 40,625 psi | 74% | 2818 fps | 95.8% |
| Rottweil R 901 | <<locked>> | 80% | 45,324 psi | 82% | 2762 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 39,566 psi | 72% | 2664 fps | 98.9% |
| Rottweil R 903 | <<locked>> | 80% | 32,692 psi | 59% | 2559 fps | 96.6% |
| Shooters World Long Rifle | <<locked>> | 88% | 39,813 psi | 72% | 2687 fps | 95.2% |
| Shooters World Match Rifle | <<locked>> | 80% | 41,292 psi | 75% | 2736 fps | 99.9% |
| Shooters World Precision | <<locked>> | 80% | 37,608 psi | 68% | 2641 fps | 98.5% |
| Shooters World SW4350 | <<locked>> | 94% | 45,484 psi | 83% | 2822 fps | 95.6% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 33,895 psi | 62% | 2615 fps | 96.1% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 42,743 psi | 78% | 2746 fps | 96.8% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 41,002 psi | 74% | 2726 fps | 98.2% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 43,018 psi | 78% | 2674 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 35,621 psi | 65% | 2533 fps | 99.9% |
| SNPE Vectan Tubal 7000 | <<locked>> | 92% | 44,918 psi | 82% | 2740 fps | 95.1% |
| Somchem S335 | <<locked>> | 80% | 42,540 psi | 77% | 2671 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 42,583 psi | 77% | 2746 fps | 98.4% |
| Somchem S355 | <<locked>> | 80% | 33,707 psi | 61% | 2569 fps | 96.7% |
| Somchem S365 | <<locked>> | 84% | 27,717 psi | 50% | 2497 fps | 95.5% |
| Vihtavuori N133 | <<locked>> | 80% | 43,366 psi | 79% | 2667 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 38,769 psi | 70% | 2651 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 39,566 psi | 72% | 2657 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 32,053 psi | 58% | 2507 fps | 97.6% |
| Vihtavuori N160 | <<locked>> | 88% | 37,289 psi | 68% | 2677 fps | 95.8% |
| Vihtavuori N530 | <<locked>> | 80% | 44,614 psi | 81% | 2769 fps | 99.6% |
| Vihtavuori N540 | <<locked>> | 80% | 38,043 psi | 69% | 2641 fps | 99.8% |
| Vihtavuori N550 | <<locked>> | 88% | 36,579 psi | 66% | 2674 fps | 95.3% |
| Vihtavuori N555 | <<locked>> | 94% | 32,532 psi | 59% | 2648 fps | 95% |
| Winchester 6.5 StaBALL | <<locked>> | 82% | 30,545 psi | 55% | 2480 fps | 95.4% |
| Winchester 748 | <<locked>> | 80% | 44,179 psi | 80% | 2815 fps | 99.9% |
| Winchester StaBALL HD | <<locked>> | 98% | 30,589 psi | 56% | 2641 fps | 95.3% |
| Winchester StaBALL Match | <<locked>> | 80% | 40,567 psi | 74% | 2733 fps | 98.6% |
ᴾ possible press load - work up slowly to this load while watching for signs of excessive pressure.
This overview compares 101 powders for 8 x 75 RS loaded with the .323 | 170gr | Reichenberg HDB Universal. ReloadSwiss RS 60 delivers the highest muzzle velocity at 3,018 fps; across all powders the maximum-charge window runs from 1,818 fps to 3,018 fps. Accurate 3100 gives the best case fill at 100 %, and 101 of the 101 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (380 MPa), the top charges use 59–90 %, leaving at least 10 % headroom. The 170.0 gr projectile in 0.323" calls for a 1:16.0 twist; slower twists will usually not stabilise this weight. Accurate 3100, ADI AR 2209, Alliant Reloder-19 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. As outliers, Accurate 2700, Accurate 3100, ADI AR 2209 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.