Load Specifications
Load data in caliber 7.5 x 55 Swiss with .308 | 183gr | Peregrine Plainsmaster (VLR-4) bullet and 97 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: 31"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 84% | 48,008 psi | 87% | 2530 fps | 100% |
| Accurate 2460 | <<locked>> | 82% | 49,124 psi | 89% | 2595 fps | 100% |
| Accurate 2495 | <<locked>> | 90% | 48,196 psi | 87% | 2592 fps | 100% |
| Accurate 2520 | <<locked>> | 84% | 47,239 psi | 86% | 2608 fps | 100% |
| Accurate 2700 | <<locked>> | 90% | 49,313 psi | 89% | 2592 fps | 96.7% |
| Accurate 4064 | <<locked>> | 92% | 48,022 psi | 87% | 2635 fps | 100% |
| Accurate 4350ᴾ | <<locked>> | 100% | 46,876 psi | 85% | 2703 fps | 99.4% |
| ADI AR 2206H | <<locked>> | 86% | 47,224 psi | 86% | 2628 fps | 99.9% |
| ADI AR 2208 | <<locked>> | 92% | 48,196 psi | 87% | 2625 fps | 99.7% |
| ADI Benchmark 8208 | <<locked>> | 86% | 49,719 psi | 90% | 2628 fps | 100% |
| Alliant AR-Comp | <<locked>> | 86% | 49,356 psi | 90% | 2598 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 90% | 49,298 psi | 89% | 2779 fps | 99.8% |
| Alliant Reloder- TS 15.5 | <<locked>> | 92% | 47,413 psi | 86% | 2644 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 90% | 47,935 psi | 87% | 2661 fps | 99.8% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 46,978 psi | 85% | 2720 fps | 99.6% |
| Alliant Reloder-17 | <<locked>> | 96% | 47,442 psi | 86% | 2753 fps | 100% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 32,837 psi | 60% | 2470 fps | 98.1% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 35,911 psi | 65% | 2598 fps | 96.9% |
| Baschieri & Pellagri 107 | <<locked>> | 88% | 49,588 psi | 90% | 2687 fps | 99.7% |
| Bofors RP3 | <<locked>> | 92% | 47,108 psi | 85% | 2654 fps | 100% |
| Bofors RP7 | <<locked>> | 96% | 48,327 psi | 88% | 2621 fps | 96.9% |
| Hodgdon Benchmark | <<locked>> | 84% | 48,762 psi | 88% | 2569 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 86% | 47,979 psi | 87% | 2654 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 84% | 49,632 psi | 90% | 2746 fps | 99.9% |
| Hodgdon H380 | <<locked>> | 92% | 48,602 psi | 88% | 2667 fps | 99.2% |
| Hodgdon H414 | <<locked>> | 98% | 47,500 psi | 86% | 2707 fps | 97.6% |
| Hodgdon H4350 | <<locked>> | 96% | 49,081 psi | 89% | 2674 fps | 96.4% |
| Hodgdon H4895 | <<locked>> | 86% | 47,601 psi | 86% | 2638 fps | 100% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 42,757 psi | 78% | 2595 fps | 99.8% |
| Hodgdon LEVERevolution | <<locked>> | 90% | 49,269 psi | 89% | 2713 fps | 100% |
| Hodgdon Superformance | <<locked>> | 98% | 48,530 psi | 88% | 2740 fps | 97.1% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 34,621 psi | 63% | 1598 fps | 100% |
| Hodgdon VARGET | <<locked>> | 88% | 48,834 psi | 89% | 2638 fps | 100% |
| IMR 3031 | <<locked>> | 86% | 46,978 psi | 85% | 2621 fps | 100% |
| IMR 4064 | <<locked>> | 90% | 47,500 psi | 86% | 2605 fps | 99.7% |
| IMR 4166 Enduron | <<locked>> | 88% | 48,269 psi | 88% | 2589 fps | 97.3% |
| IMR 4350ᴾ | <<locked>> | 100% | 48,269 psi | 88% | 2648 fps | 96.9% |
| IMR 4451 Enduron | <<locked>> | 94% | 47,674 psi | 87% | 2612 fps | 97.2% |
| IMR 4831ᴾ | <<locked>> | 100% | 44,904 psi | 81% | 2651 fps | 99.2% |
| IMR 4895 | <<locked>> | 90% | 49,124 psi | 89% | 2690 fps | 100% |
| IMR 8208 XBR | <<locked>> | 86% | 49,719 psi | 90% | 2628 fps | 100% |
| Lovex D073.5 | <<locked>> | 82% | 48,921 psi | 89% | 2605 fps | 100% |
| Lovex D073.6 | <<locked>> | 88% | 49,081 psi | 89% | 2648 fps | 100% |
| Lovex S060 | <<locked>> | 86% | 47,543 psi | 86% | 2559 fps | 99.8% |
| Lovex S062 | <<locked>> | 90% | 46,949 psi | 85% | 2602 fps | 100% |
| Lovex S065 | <<locked>> | 98% | 49,081 psi | 89% | 2648 fps | 98.7% |
| Lovex S070ᴾ | <<locked>> | 100% | 49,574 psi | 90% | 2677 fps | 98% |
| Norma 201 | <<locked>> | 88% | 48,878 psi | 89% | 2618 fps | 100% |
| Norma 202 | <<locked>> | 88% | 49,545 psi | 90% | 2625 fps | 100% |
| Norma 203B | <<locked>> | 90% | 47,137 psi | 86% | 2651 fps | 99.9% |
| Norma URPᴾ | <<locked>> | 100% | 47,050 psi | 85% | 2700 fps | 99.4% |
| Ramshot Big Game | <<locked>> | 90% | 47,181 psi | 86% | 2674 fps | 99.8% |
| Ramshot Hunterᴾ | <<locked>> | 100% | 46,253 psi | 84% | 2694 fps | 98.1% |
| Ramshot TAC | <<locked>> | 84% | 46,601 psi | 85% | 2595 fps | 98.4% |
| Ramshot Wild Boar | <<locked>> | 86% | 49,095 psi | 89% | 2664 fps | 99.9% |
| Ramshot X-Terminator | <<locked>> | 82% | 47,340 psi | 86% | 2582 fps | 99.8% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 34,867 psi | 63% | 1637 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 82% | 49,182 psi | 89% | 2608 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 92% | 49,226 psi | 89% | 2648 fps | 98.2% |
| ReloadSwiss RS 52 | <<locked>> | 88% | 47,659 psi | 86% | 2723 fps | 99.8% |
| ReloadSwiss RS 60 | <<locked>> | 94% | 47,500 psi | 86% | 2759 fps | 100% |
| ReloadSwiss RS 62ᴾ | <<locked>> | 100% | 46,920 psi | 85% | 2730 fps | 99.3% |
| ReloadSwiss RS 70ᴾ | <<locked>> | 100% | 47,805 psi | 87% | 2753 fps | 99.1% |
| Rottweil R 901 | <<locked>> | 84% | 46,949 psi | 85% | 2556 fps | 100% |
| Rottweil R 902 | <<locked>> | 90% | 49,472 psi | 90% | 2618 fps | 100% |
| Rottweil R 903 | <<locked>> | 94% | 46,992 psi | 85% | 2644 fps | 100% |
| Rottweil R 907 | <<locked>> | 96% | 48,327 psi | 88% | 2621 fps | 96.9% |
| Shooters World Long Rifle | <<locked>> | 98% | 49,081 psi | 89% | 2648 fps | 98.7% |
| Shooters World Match Rifle | <<locked>> | 88% | 49,081 psi | 89% | 2648 fps | 100% |
| Shooters World Precision | <<locked>> | 90% | 46,949 psi | 85% | 2602 fps | 100% |
| Shooters World SW4350ᴾ | <<locked>> | 100% | 49,574 psi | 90% | 2677 fps | 98% |
| SNPE Vectan SP 11 | <<locked>> | 94% | 48,849 psi | 89% | 2707 fps | 99.9% |
| SNPE Vectan SP 7 | <<locked>> | 86% | 47,877 psi | 87% | 2621 fps | 99% |
| SNPE Vectan SP 9 | <<locked>> | 88% | 48,776 psi | 89% | 2648 fps | 99.9% |
| SNPE Vectan Tubal 3000 | <<locked>> | 86% | 48,066 psi | 87% | 2523 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 92% | 47,848 psi | 87% | 2523 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 98% | 49,487 psi | 90% | 2602 fps | 97.6% |
| Somchem S321 | <<locked>> | 82% | 47,123 psi | 86% | 2612 fps | 100% |
| Somchem S335 | <<locked>> | 86% | 47,326 psi | 86% | 2523 fps | 100% |
| Somchem S341 | <<locked>> | 86% | 47,427 psi | 86% | 2615 fps | 99.8% |
| Somchem S355 | <<locked>> | 94% | 47,892 psi | 87% | 2648 fps | 100% |
| Somchem S365ᴾ | <<locked>> | 100% | 41,872 psi | 76% | 2654 fps | 100% |
| Vihtavuori N130 | <<locked>> | 82% | 47,979 psi | 87% | 2487 fps | 100% |
| Vihtavuori N133 | <<locked>> | 86% | 48,254 psi | 88% | 2510 fps | 100% |
| Vihtavuori N135 | <<locked>> | 90% | 48,486 psi | 88% | 2582 fps | 100% |
| Vihtavuori N140 | <<locked>> | 88% | 46,818 psi | 85% | 2559 fps | 100% |
| Vihtavuori N150 | <<locked>> | 96% | 49,284 psi | 89% | 2628 fps | 100% |
| Vihtavuori N160ᴾ | <<locked>> | 100% | 49,530 psi | 90% | 2694 fps | 99.5% |
| Vihtavuori N530 | <<locked>> | 86% | 49,792 psi | 90% | 2625 fps | 100% |
| Vihtavuori N540 | <<locked>> | 90% | 48,051 psi | 87% | 2605 fps | 100% |
| Vihtavuori N550ᴾ | <<locked>> | 100% | 48,559 psi | 88% | 2703 fps | 99.4% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 34,722 psi | 63% | 2536 fps | 98% |
| Winchester 6.5 StaBALL | <<locked>> | 98% | 47,355 psi | 86% | 2631 fps | 100% |
| Winchester 748 | <<locked>> | 86% | 49,298 psi | 89% | 2674 fps | 100% |
| Winchester 760 | <<locked>> | 98% | 47,776 psi | 87% | 2713 fps | 97.6% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 29,008 psi | 53% | 2444 fps | 97.3% |
| Winchester StaBALL Match | <<locked>> | 88% | 48,095 psi | 87% | 2654 fps | 100% |
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 2015 | <<locked>> | 80% | 42,250 psi | 77% | 2448 fps | 100% |
| Accurate 2460 | <<locked>> | 80% | 45,977 psi | 83% | 2552 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 34,418 psi | 62% | 2375 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 41,292 psi | 75% | 2516 fps | 100% |
| Accurate 2700 | <<locked>> | 86% | 43,047 psi | 78% | 2490 fps | 95.2% |
| Accurate 4064 | <<locked>> | 80% | 32,590 psi | 59% | 2369 fps | 100% |
| Accurate 4350 | <<locked>> | 86% | 28,645 psi | 52% | 2346 fps | 95.1% |
| ADI AR 2206H | <<locked>> | 80% | 38,798 psi | 70% | 2480 fps | 99% |
| ADI AR 2208 | <<locked>> | 80% | 33,185 psi | 60% | 2346 fps | 97.1% |
| ADI Benchmark 8208 | <<locked>> | 80% | 40,901 psi | 74% | 2487 fps | 99.8% |
| Alliant AR-Comp | <<locked>> | 80% | 40,408 psi | 73% | 2477 fps | 100% |
| Alliant Power Pro 2000-MR | 41.8 gr | 80% | 35,070 psi | 64% | 2503 fps | 97.5% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 32,169 psi | 58% | 2362 fps | 98.4% |
| Alliant Reloder-15 | <<locked>> | 80% | 34,679 psi | 63% | 2418 fps | 97.7% |
| Alliant Reloder-16 | <<locked>> | 86% | 30,487 psi | 55% | 2365 fps | 95.4% |
| Alliant Reloder-17 | 41.2 gr | 80% | 27,818 psi | 50% | 2329 fps | 96.2% |
| Alliant Reloder-23 | <<locked>> | 94% | 27,311 psi | 50% | 2320 fps | 95.7% |
| Alliant Reloder-26 | <<locked>> | 98% | 33,620 psi | 61% | 2543 fps | 96% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 37,811 psi | 69% | 2484 fps | 98% |
| Bofors RP3 | <<locked>> | 80% | 31,386 psi | 57% | 2362 fps | 98.3% |
| Bofors RP7 | <<locked>> | 92% | 42,685 psi | 77% | 2526 fps | 95.6% |
| Hodgdon Benchmark | <<locked>> | 80% | 42,931 psi | 78% | 2477 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 80% | 39,088 psi | 71% | 2510 fps | 99.9% |
| Hodgdon CFE223 | <<locked>> | 80% | 43,163 psi | 78% | 2638 fps | 99.4% |
| Hodgdon H380 | <<locked>> | 80% | 32,532 psi | 59% | 2362 fps | 95.7% |
| Hodgdon H414 | <<locked>> | 92% | 39,015 psi | 71% | 2552 fps | 95.4% |
| Hodgdon H4350 | <<locked>> | 94% | 46,035 psi | 84% | 2625 fps | 95.7% |
| Hodgdon H4895 | <<locked>> | 80% | 39,117 psi | 71% | 2490 fps | 99.4% |
| Hodgdon Hybrid 100V | <<locked>> | 84% | 25,947 psi | 47% | 2221 fps | 95.3% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 35,128 psi | 64% | 2464 fps | 99.1% |
| Hodgdon Superformance | <<locked>> | 94% | 41,974 psi | 76% | 2621 fps | 95.4% |
| Hodgdon TrailBoss | <<locked>> | 80% | 25,657 psi | 47% | 1427 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 37,768 psi | 69% | 2448 fps | 99.1% |
| IMR 3031 | <<locked>> | 80% | 38,276 psi | 69% | 2484 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 34,766 psi | 63% | 2372 fps | 97.8% |
| IMR 4166 Enduron | <<locked>> | 82% | 39,813 psi | 72% | 2438 fps | 95.3% |
| IMR 4350 | <<locked>> | 96% | 42,438 psi | 77% | 2549 fps | 95.5% |
| IMR 4451 Enduron | <<locked>> | 88% | 39,392 psi | 71% | 2464 fps | 95.1% |
| IMR 4831 | <<locked>> | 88% | 30,313 psi | 55% | 2362 fps | 95.8% |
| IMR 4895 | <<locked>> | 80% | 35,491 psi | 64% | 2448 fps | 98.5% |
| IMR 8208 XBR | <<locked>> | 80% | 40,901 psi | 74% | 2487 fps | 99.8% |
| Lovex D073.5 | <<locked>> | 80% | 45,788 psi | 83% | 2562 fps | 100% |
| Lovex D073.6 | <<locked>> | 80% | 37,130 psi | 67% | 2457 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 39,726 psi | 72% | 2425 fps | 99.1% |
| Lovex S062 | <<locked>> | 80% | 34,403 psi | 62% | 2379 fps | 99.1% |
| Lovex S065 | <<locked>> | 86% | 33,953 psi | 62% | 2369 fps | 95.2% |
| Lovex S070 | <<locked>> | 92% | 38,450 psi | 70% | 2484 fps | 95.4% |
| Norma 201 | <<locked>> | 80% | 38,029 psi | 69% | 2438 fps | 99.6% |
| Norma 202 | <<locked>> | 80% | 38,203 psi | 69% | 2448 fps | 100% |
| Norma 203B | <<locked>> | 80% | 34,055 psi | 62% | 2408 fps | 98.1% |
| Norma URP | <<locked>> | 86% | 29,907 psi | 54% | 2352 fps | 95.2% |
| Ramshot Big Game | <<locked>> | 80% | 33,620 psi | 61% | 2421 fps | 97.8% |
| Ramshot Hunter | <<locked>> | 92% | 35,810 psi | 65% | 2493 fps | 95.3% |
| Ramshot TAC | <<locked>> | 80% | 40,843 psi | 74% | 2493 fps | 97.3% |
| Ramshot Wild Boar | <<locked>> | 80% | 39,943 psi | 72% | 2510 fps | 99.1% |
| Ramshot X-Terminator | <<locked>> | 80% | 44,454 psi | 81% | 2536 fps | 99.5% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 25,976 psi | 47% | 1467 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 46,064 psi | 84% | 2562 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 84% | 38,087 psi | 69% | 2451 fps | 95.7% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 35,882 psi | 65% | 2510 fps | 98.1% |
| ReloadSwiss RS 60 | 41.2 gr | 80% | 29,689 psi | 54% | 2392 fps | 99.2% |
| ReloadSwiss RS 62 | <<locked>> | 88% | 31,024 psi | 56% | 2415 fps | 95.5% |
| ReloadSwiss RS 70 | <<locked>> | 90% | 34,156 psi | 62% | 2477 fps | 95.5% |
| Rottweil R 901 | <<locked>> | 80% | 41,727 psi | 76% | 2474 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 36,042 psi | 65% | 2388 fps | 99.3% |
| Rottweil R 903 | <<locked>> | 80% | 29,414 psi | 53% | 2306 fps | 97.5% |
| Rottweil R 907 | <<locked>> | 92% | 42,685 psi | 77% | 2526 fps | 95.6% |
| Shooters World Long Rifle | <<locked>> | 86% | 33,953 psi | 62% | 2369 fps | 95.2% |
| Shooters World Match Rifle | <<locked>> | 80% | 37,130 psi | 67% | 2457 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 34,403 psi | 62% | 2379 fps | 99.1% |
| Shooters World SW4350 | <<locked>> | 92% | 38,450 psi | 70% | 2484 fps | 95.4% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 30,763 psi | 56% | 2359 fps | 97% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 38,740 psi | 70% | 2464 fps | 97.4% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 37,434 psi | 68% | 2454 fps | 98.7% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 39,784 psi | 72% | 2392 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 32,677 psi | 59% | 2274 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 92% | 40,161 psi | 73% | 2454 fps | 95.6% |
| Somchem S321 | <<locked>> | 80% | 43,903 psi | 80% | 2562 fps | 100% |
| Somchem S335 | <<locked>> | 80% | 39,233 psi | 71% | 2398 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 38,493 psi | 70% | 2464 fps | 98.9% |
| Somchem S355 | <<locked>> | 80% | 30,661 psi | 56% | 2320 fps | 97.6% |
| Somchem S365 | <<locked>> | 82% | 23,409 psi | 42% | 2205 fps | 95.6% |
| Vihtavuori N130 | <<locked>> | 80% | 45,208 psi | 82% | 2448 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 40,016 psi | 73% | 2388 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 35,201 psi | 64% | 2375 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 36,100 psi | 66% | 2385 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 28,993 psi | 53% | 2260 fps | 98.3% |
| Vihtavuori N160 | <<locked>> | 86% | 31,444 psi | 57% | 2356 fps | 95.7% |
| Vihtavuori N530 | <<locked>> | 80% | 40,988 psi | 74% | 2487 fps | 99.8% |
| Vihtavuori N540 | <<locked>> | 80% | 34,664 psi | 63% | 2382 fps | 100% |
| Vihtavuori N550 | <<locked>> | 86% | 30,618 psi | 56% | 2359 fps | 95.3% |
| Vihtavuori N555 | <<locked>> | 94% | 28,631 psi | 52% | 2385 fps | 95.8% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 26,049 psi | 47% | 2188 fps | 95.4% |
| Winchester 748 | <<locked>> | 80% | 40,059 psi | 73% | 2526 fps | 100% |
| Winchester 760 | <<locked>> | 92% | 39,015 psi | 71% | 2552 fps | 95.4% |
| Winchester StaBALL HD | <<locked>> | 98% | 27,209 psi | 49% | 2385 fps | 96.1% |
| Winchester StaBALL Match | <<locked>> | 80% | 36,695 psi | 67% | 2457 fps | 99.1% |
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 97 powders for 7.5 x 55 Swiss loaded with the .308 | 183gr | Peregrine Plainsmaster (VLR-4). Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 2,779 fps; across all powders the maximum-charge window runs from 1,598 fps to 2,779 fps. Accurate 4350 gives the best case fill at 100 %, and 97 of the 97 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (380 MPa), the top charges use 53–90 %, leaving at least 10 % headroom. The 183.0 gr projectile in 0.308" calls for a 1:10.5 twist; slower twists will usually not stabilise this weight. Accurate 4350, Alliant Reloder-16, Alliant Reloder-23 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 7.5 x 55 Swiss with the .308 | 183gr | Peregrine Plainsmaster (VLR-4) 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.