Load Specifications
Load data in caliber 7.5 x 55 Swiss with .308 | 180gr | Winchester Silvertip bullet and 91 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 70, Alliant Reloder-16 and Hodgdon Superformance.
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: 31"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2495 | <<locked>> | 84% | 47,703 psi | 87% | 2651 fps | 100% |
| Accurate 2700 | <<locked>> | 84% | 47,021 psi | 85% | 2651 fps | 97.3% |
| Accurate 3100ᴾ | <<locked>> | 100% | 41,307 psi | 75% | 2667 fps | 98.1% |
| Accurate 4064 | <<locked>> | 86% | 48,124 psi | 87% | 2703 fps | 100% |
| Accurate 4350 | <<locked>> | 94% | 47,123 psi | 86% | 2785 fps | 99.8% |
| ADI AR 2206H | <<locked>> | 82% | 48,211 psi | 87% | 2726 fps | 100% |
| ADI AR 2208 | <<locked>> | 88% | 49,371 psi | 90% | 2733 fps | 100% |
| ADI AR 2209ᴾ | <<locked>> | 100% | 49,255 psi | 89% | 2818 fps | 97% |
| Alliant Power Pro 2000-MR | <<locked>> | 84% | 47,311 psi | 86% | 2841 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 88% | 49,139 psi | 89% | 2753 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 86% | 49,632 psi | 90% | 2772 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 96% | 48,805 psi | 89% | 2844 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 92% | 49,400 psi | 90% | 2874 fps | 100% |
| Alliant Reloder-19ᴾ | <<locked>> | 100% | 48,153 psi | 87% | 2808 fps | 97% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 39,610 psi | 72% | 2703 fps | 99.9% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 34,998 psi | 64% | 2608 fps | 96.8% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 44,208 psi | 80% | 2871 fps | 99.7% |
| Baschieri & Pellagri 107 | <<locked>> | 82% | 47,674 psi | 87% | 2743 fps | 99.8% |
| Bofors RP3 | <<locked>> | 88% | 49,472 psi | 90% | 2766 fps | 100% |
| Bofors RP7 | <<locked>> | 90% | 46,978 psi | 85% | 2694 fps | 97.6% |
| Hodgdon BL-C2 | <<locked>> | 82% | 49,603 psi | 90% | 2756 fps | 100% |
| Hodgdon H380 | <<locked>> | 86% | 47,253 psi | 86% | 2730 fps | 99.6% |
| Hodgdon H414 | <<locked>> | 92% | 46,688 psi | 85% | 2782 fps | 98.3% |
| Hodgdon H4350 | <<locked>> | 90% | 47,732 psi | 87% | 2746 fps | 97.2% |
| Hodgdon H4895 | <<locked>> | 82% | 48,675 psi | 88% | 2736 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 98% | 48,153 psi | 87% | 2762 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 84% | 47,819 psi | 87% | 2769 fps | 100% |
| Hodgdon Superformance | <<locked>> | 92% | 46,572 psi | 85% | 2808 fps | 97.9% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,665 psi | 65% | 1693 fps | 100% |
| Hodgdon VARGET | <<locked>> | 84% | 49,777 psi | 90% | 2740 fps | 100% |
| IMR 3031 | <<locked>> | 82% | 48,762 psi | 88% | 2717 fps | 100% |
| IMR 4064 | <<locked>> | 86% | 48,907 psi | 89% | 2713 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 84% | 48,863 psi | 89% | 2694 fps | 98.4% |
| IMR 4350 | <<locked>> | 94% | 47,050 psi | 85% | 2720 fps | 97.7% |
| IMR 4451 Enduron | <<locked>> | 90% | 48,675 psi | 88% | 2723 fps | 98.3% |
| IMR 4831 | <<locked>> | 96% | 48,008 psi | 87% | 2779 fps | 99.9% |
| IMR 4895 | <<locked>> | 84% | 47,863 psi | 87% | 2753 fps | 100% |
| Lovex D073.6 | <<locked>> | 82% | 47,805 psi | 87% | 2703 fps | 100% |
| Lovex S060 | <<locked>> | 82% | 48,240 psi | 88% | 2657 fps | 100% |
| Lovex S062 | <<locked>> | 86% | 48,791 psi | 89% | 2710 fps | 100% |
| Lovex S065 | <<locked>> | 92% | 48,051 psi | 87% | 2720 fps | 99.2% |
| Lovex S070 | <<locked>> | 94% | 48,718 psi | 88% | 2753 fps | 98.6% |
| Lovex S071ᴾ | <<locked>> | 100% | 34,272 psi | 62% | 2530 fps | 96.3% |
| Norma 201 | <<locked>> | 82% | 47,224 psi | 86% | 2674 fps | 100% |
| Norma 202 | <<locked>> | 82% | 47,761 psi | 87% | 2677 fps | 100% |
| Norma 203B | <<locked>> | 86% | 48,907 psi | 89% | 2759 fps | 100% |
| Norma 204 | <<locked>> | 94% | 46,920 psi | 85% | 2759 fps | 96.5% |
| Norma MRPᴾ | <<locked>> | 100% | 44,193 psi | 80% | 2825 fps | 97.8% |
| Norma URP | <<locked>> | 96% | 49,661 psi | 90% | 2825 fps | 99.9% |
| Ramshot Big Game | <<locked>> | 86% | 49,008 psi | 89% | 2782 fps | 100% |
| Ramshot Hunter | <<locked>> | 96% | 48,573 psi | 88% | 2825 fps | 99.2% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,998 psi | 65% | 1732 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 86% | 47,558 psi | 86% | 2713 fps | 98.7% |
| ReloadSwiss RS 52 | <<locked>> | 84% | 49,617 psi | 90% | 2831 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 90% | 49,153 psi | 89% | 2867 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 94% | 46,572 psi | 85% | 2805 fps | 99.7% |
| ReloadSwiss RS 70 | <<locked>> | 96% | 49,748 psi | 90% | 2887 fps | 99.8% |
| Rottweil R 902 | <<locked>> | 84% | 47,979 psi | 87% | 2677 fps | 100% |
| Rottweil R 903 | <<locked>> | 90% | 49,313 psi | 89% | 2756 fps | 100% |
| Rottweil R 905ᴾ | <<locked>> | 100% | 46,789 psi | 85% | 2789 fps | 97% |
| Rottweil R 907 | <<locked>> | 90% | 46,978 psi | 85% | 2694 fps | 97.6% |
| Shooters World Long Rifle | <<locked>> | 92% | 48,051 psi | 87% | 2720 fps | 99.2% |
| Shooters World Match Rifle | <<locked>> | 82% | 47,805 psi | 87% | 2703 fps | 100% |
| Shooters World Precision | <<locked>> | 86% | 48,791 psi | 89% | 2710 fps | 100% |
| Shooters World SW4350 | <<locked>> | 94% | 48,718 psi | 88% | 2753 fps | 98.6% |
| SNPE Vectan SP 11 | <<locked>> | 88% | 47,747 psi | 87% | 2772 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 82% | 48,791 psi | 89% | 2723 fps | 99.6% |
| SNPE Vectan SP 9 | <<locked>> | 84% | 49,748 psi | 90% | 2749 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 82% | 48,646 psi | 88% | 2612 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 88% | 48,747 psi | 88% | 2612 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 92% | 48,022 psi | 87% | 2671 fps | 98.2% |
| SNPE Vectan Tubal 8000ᴾ | <<locked>> | 100% | 46,398 psi | 84% | 2782 fps | 96.8% |
| Somchem S335 | <<locked>> | 82% | 48,182 psi | 87% | 2612 fps | 100% |
| Somchem S341 | <<locked>> | 82% | 48,573 psi | 88% | 2717 fps | 100% |
| Somchem S355 | <<locked>> | 88% | 47,021 psi | 85% | 2713 fps | 100% |
| Somchem S365 | <<locked>> | 98% | 47,558 psi | 86% | 2825 fps | 100% |
| Somchem S385ᴾ | <<locked>> | 100% | 47,413 psi | 86% | 2769 fps | 97.8% |
| Vihtavuori N133 | <<locked>> | 82% | 48,994 psi | 89% | 2595 fps | 100% |
| Vihtavuori N135 | <<locked>> | 84% | 47,572 psi | 86% | 2638 fps | 100% |
| Vihtavuori N140 | <<locked>> | 84% | 48,240 psi | 88% | 2657 fps | 100% |
| Vihtavuori N150 | <<locked>> | 90% | 47,805 psi | 87% | 2687 fps | 100% |
| Vihtavuori N160 | <<locked>> | 94% | 48,936 psi | 89% | 2769 fps | 99.8% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 41,031 psi | 74% | 2635 fps | 95.8% |
| Vihtavuori N540 | <<locked>> | 86% | 49,487 psi | 90% | 2700 fps | 100% |
| Vihtavuori N550 | <<locked>> | 94% | 47,863 psi | 87% | 2776 fps | 99.7% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 43,395 psi | 79% | 2772 fps | 99.8% |
| Winchester 6.5 StaBALL | <<locked>> | 94% | 48,704 psi | 88% | 2743 fps | 100% |
| Winchester 760 | <<locked>> | 92% | 46,920 psi | 85% | 2789 fps | 98.3% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 35,273 psi | 64% | 2726 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 84% | 49,603 psi | 90% | 2759 fps | 100% |
| Winchester Supreme 780ᴾ | <<locked>> | 100% | 44,628 psi | 81% | 2700 fps | 96% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 31"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2495 | <<locked>> | 80% | 41,945 psi | 76% | 2562 fps | 100% |
| Accurate 2700 | <<locked>> | 80% | 41,220 psi | 75% | 2546 fps | 96% |
| Accurate 3100 | <<locked>> | 92% | 31,343 psi | 57% | 2461 fps | 95.2% |
| Accurate 4064 | <<locked>> | 80% | 39,668 psi | 72% | 2566 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 29,066 psi | 53% | 2415 fps | 96.2% |
| ADI AR 2206H | <<locked>> | 80% | 45,368 psi | 82% | 2680 fps | 100% |
| ADI AR 2208 | <<locked>> | 80% | 38,653 psi | 70% | 2539 fps | 99.1% |
| ADI AR 2209 | <<locked>> | 96% | 43,279 psi | 79% | 2707 fps | 95.5% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 41,321 psi | 75% | 2730 fps | 99.6% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 38,363 psi | 70% | 2562 fps | 99.8% |
| Alliant Reloder-15 | <<locked>> | 80% | 41,060 psi | 75% | 2621 fps | 99.5% |
| Alliant Reloder-16 | 44.3 gr | 80% | 29,747 psi | 54% | 2428 fps | 96.3% |
| Alliant Reloder-17 | <<locked>> | 80% | 32,953 psi | 60% | 2546 fps | 99% |
| Alliant Reloder-19 | <<locked>> | 96% | 42,453 psi | 77% | 2700 fps | 95.6% |
| Alliant Reloder-23 | <<locked>> | 84% | 24,265 psi | 44% | 2293 fps | 95.2% |
| Alliant Reloder-25 | <<locked>> | 98% | 32,822 psi | 60% | 2549 fps | 95.8% |
| Alliant Reloder-26 | <<locked>> | 88% | 29,196 psi | 53% | 2507 fps | 95.3% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 44,657 psi | 81% | 2690 fps | 99.6% |
| Bofors RP3 | <<locked>> | 80% | 37,927 psi | 69% | 2569 fps | 99.8% |
| Bofors RP7 | <<locked>> | 84% | 38,943 psi | 71% | 2539 fps | 95.6% |
| Hodgdon BL-C2 | <<locked>> | 80% | 46,427 psi | 84% | 2707 fps | 100% |
| Hodgdon H380 | <<locked>> | 80% | 38,783 psi | 70% | 2575 fps | 98.4% |
| Hodgdon H414 | <<locked>> | 84% | 35,810 psi | 65% | 2566 fps | 95.5% |
| Hodgdon H4350 | <<locked>> | 84% | 39,334 psi | 71% | 2589 fps | 95% |
| Hodgdon H4895 | <<locked>> | 80% | 45,759 psi | 83% | 2687 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 27,253 psi | 49% | 2329 fps | 97.1% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 41,713 psi | 76% | 2667 fps | 100% |
| Hodgdon Superformance | 54.2 gr | 86% | 37,739 psi | 68% | 2631 fps | 95.5% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,440 psi | 48% | 1512 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 44,019 psi | 80% | 2644 fps | 100% |
| IMR 3031 | <<locked>> | 80% | 45,687 psi | 83% | 2671 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 40,611 psi | 74% | 2569 fps | 99.5% |
| IMR 4166 Enduron | <<locked>> | 80% | 43,091 psi | 78% | 2592 fps | 97.3% |
| IMR 4350 | <<locked>> | 86% | 36,738 psi | 67% | 2520 fps | 95% |
| IMR 4451 Enduron | <<locked>> | 80% | 35,853 psi | 65% | 2474 fps | 95.1% |
| IMR 4831 | <<locked>> | 80% | 28,398 psi | 52% | 2375 fps | 95.9% |
| IMR 4895 | <<locked>> | 80% | 42,047 psi | 76% | 2651 fps | 99.8% |
| Lovex D073.6 | <<locked>> | 80% | 44,672 psi | 81% | 2654 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 45,411 psi | 82% | 2612 fps | 99.9% |
| Lovex S062 | <<locked>> | 80% | 40,567 psi | 74% | 2572 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 33,257 psi | 60% | 2425 fps | 96% |
| Lovex S070 | <<locked>> | 84% | 35,766 psi | 65% | 2503 fps | 95.6% |
| Lovex S071 | <<locked>> | 98% | 32,126 psi | 58% | 2477 fps | 95.5% |
| Norma 201 | <<locked>> | 80% | 44,440 psi | 81% | 2628 fps | 100% |
| Norma 202 | <<locked>> | 80% | 44,875 psi | 81% | 2631 fps | 100% |
| Norma 203B | <<locked>> | 80% | 40,466 psi | 73% | 2612 fps | 99.7% |
| Norma 204 | <<locked>> | 92% | 43,845 psi | 80% | 2703 fps | 95.7% |
| Norma MRP | <<locked>> | 94% | 36,201 psi | 66% | 2651 fps | 95.3% |
| Norma URP | <<locked>> | 80% | 29,631 psi | 54% | 2418 fps | 96.1% |
| Ramshot Big Game | <<locked>> | 80% | 40,059 psi | 73% | 2628 fps | 99.6% |
| Ramshot Hunter | <<locked>> | 84% | 32,924 psi | 60% | 2507 fps | 95.4% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,818 psi | 49% | 1549 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 39,044 psi | 71% | 2552 fps | 97% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 43,337 psi | 79% | 2726 fps | 99.8% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 35,085 psi | 64% | 2605 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 28,950 psi | 53% | 2428 fps | 95.6% |
| ReloadSwiss RS 70 | 49.7 gr | 82% | 31,154 psi | 57% | 2487 fps | 95.6% |
| Rottweil R 902 | <<locked>> | 80% | 42,438 psi | 77% | 2585 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 35,737 psi | 65% | 2516 fps | 99.5% |
| Rottweil R 905 | <<locked>> | 96% | 41,017 psi | 74% | 2680 fps | 95.5% |
| Rottweil R 907 | <<locked>> | 84% | 38,943 psi | 71% | 2539 fps | 95.6% |
| Shooters World Long Rifle | <<locked>> | 80% | 33,257 psi | 60% | 2425 fps | 96% |
| Shooters World Match Rifle | <<locked>> | 80% | 44,672 psi | 81% | 2654 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 40,567 psi | 74% | 2572 fps | 100% |
| Shooters World SW4350 | <<locked>> | 84% | 35,766 psi | 65% | 2503 fps | 95.6% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 36,651 psi | 67% | 2566 fps | 99.2% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 45,643 psi | 83% | 2671 fps | 99.3% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 43,888 psi | 80% | 2651 fps | 99.9% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 45,672 psi | 83% | 2566 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 38,087 psi | 69% | 2444 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 82% | 34,621 psi | 63% | 2421 fps | 95% |
| SNPE Vectan Tubal 8000 | <<locked>> | 96% | 40,654 psi | 74% | 2674 fps | 95.3% |
| Somchem S335 | <<locked>> | 80% | 45,368 psi | 82% | 2569 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 45,484 psi | 83% | 2667 fps | 99.9% |
| Somchem S355 | <<locked>> | 80% | 36,521 psi | 66% | 2520 fps | 99.5% |
| Somchem S365 | <<locked>> | 80% | 26,629 psi | 48% | 2375 fps | 98.3% |
| Somchem S385 | <<locked>> | 92% | 36,506 psi | 66% | 2562 fps | 95% |
| Vihtavuori N133 | <<locked>> | 80% | 46,035 psi | 84% | 2552 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 41,829 psi | 76% | 2552 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 42,409 psi | 77% | 2566 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 34,722 psi | 63% | 2454 fps | 99.8% |
| Vihtavuori N160 | <<locked>> | 80% | 30,922 psi | 56% | 2415 fps | 96.5% |
| Vihtavuori N165 | <<locked>> | 98% | 38,551 psi | 70% | 2582 fps | 95% |
| Vihtavuori N540 | <<locked>> | 80% | 40,857 psi | 74% | 2562 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 30,400 psi | 55% | 2421 fps | 96.2% |
| Vihtavuori N555 | <<locked>> | 84% | 25,889 psi | 47% | 2369 fps | 95.4% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 30,806 psi | 56% | 2395 fps | 98.5% |
| Winchester 760 | <<locked>> | 84% | 36,042 psi | 65% | 2572 fps | 95.6% |
| Winchester StaBALL HD | <<locked>> | 88% | 24,221 psi | 44% | 2365 fps | 95.7% |
| Winchester StaBALL Match | <<locked>> | 80% | 43,395 psi | 79% | 2657 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 98% | 41,597 psi | 75% | 2644 fps | 95.1% |
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 107 powders for 7.5 x 55 Swiss loaded with the .308 | 180gr | Winchester Silvertip. ReloadSwiss RS 70 delivers the highest muzzle velocity at 2,887 fps; across all powders the maximum-charge window runs from 1,693 fps to 2,887 fps. Accurate 3100 gives the best case fill at 100 %, and 107 of the 107 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (380 MPa), the top charges use 61–90 %, leaving at least 10 % headroom. The 180.0 gr projectile in 0.308" calls for a 1:6.0 twist; slower twists will usually not stabilise this weight. Accurate 3100, Accurate MAGPRO, 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 70, Alliant Reloder-16, Hodgdon Superformance rank at the top here: for 7.5 x 55 Swiss with the .308 | 180gr | Winchester Silvertip they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, Accurate MAGPRO, ADI AR 2213, Bofors RP15 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.