Load Specifications
Bullet Manufacturer:Peregrine
Bullet Weight:206 gr
Bullet Diameter:0.308"
Bullet Length:<<locked>>
Caliber:7.5 x 55 Swiss load data
Case Length (l3):2.188"
Cartridge Length (C.O.L.):<<locked>>
Case Capacity:65 Grains of Water
Primer Size:Large Rifle (LR)
Barrel Length:31"
Max. allowed Pressure:55,114 psi
Recommended Twist Rate:1:12.5
Load data in caliber 7.5 x 55 Swiss with .308 | 206gr | Peregrine Backup (VRG-2) bullet and 102 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant Reloder-17, ReloadSwiss RS 60 and ReloadSwiss RS 70.
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 2495 | <<locked>> | 86% | 49,153 psi | 89% | 2454 fps | 100% |
| Accurate 2700 | <<locked>> | 86% | 48,820 psi | 89% | 2467 fps | 98.2% |
| Accurate 3100ᴾ | <<locked>> | 100% | 39,726 psi | 72% | 2441 fps | 98.4% |
| Accurate 4064 | <<locked>> | 88% | 49,429 psi | 90% | 2503 fps | 100% |
| Accurate 4350 | <<locked>> | 96% | 48,617 psi | 88% | 2589 fps | 100% |
| ADI AR 2206H | <<locked>> | 82% | 47,224 psi | 86% | 2493 fps | 100% |
| ADI AR 2208 | <<locked>> | 88% | 48,211 psi | 87% | 2497 fps | 100% |
| ADI AR 2209ᴾ | <<locked>> | 100% | 48,037 psi | 87% | 2582 fps | 97.5% |
| ADI Benchmark 8208 | <<locked>> | 82% | 49,487 psi | 90% | 2487 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 86% | 49,545 psi | 90% | 2651 fps | 100% |
| Alliant Power Pro Varmintᴾ | <<locked>> | 100% | 47,674 psi | 87% | 2582 fps | 97.6% |
| Alliant Reloder- TS 15.5 | <<locked>> | 88% | 47,979 psi | 87% | 2513 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 86% | 48,385 psi | 88% | 2533 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 96% | 47,442 psi | 86% | 2598 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 92% | 48,138 psi | 87% | 2628 fps | 100% |
| Alliant Reloder-19ᴾ | <<locked>> | 100% | 46,978 psi | 85% | 2572 fps | 97.5% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 40,582 psi | 74% | 2513 fps | 96.2% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 38,305 psi | 70% | 2474 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 33,765 psi | 61% | 2388 fps | 97.3% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 42,583 psi | 77% | 2628 fps | 99.8% |
| Baschieri & Pellagri 107 | <<locked>> | 82% | 46,630 psi | 85% | 2507 fps | 100% |
| Bofors RP3 | <<locked>> | 88% | 47,863 psi | 87% | 2523 fps | 100% |
| Bofors RP5ᴾ | <<locked>> | 100% | 40,582 psi | 74% | 2513 fps | 96.2% |
| Bofors RP7 | <<locked>> | 92% | 48,530 psi | 88% | 2507 fps | 98.5% |
| Hodgdon BL-C2 | <<locked>> | 82% | 48,225 psi | 88% | 2516 fps | 100% |
| Hodgdon H380 | <<locked>> | 88% | 48,979 psi | 89% | 2539 fps | 99.9% |
| Hodgdon H414 | <<locked>> | 94% | 48,704 psi | 88% | 2598 fps | 99.1% |
| Hodgdon H4350 | <<locked>> | 92% | 49,603 psi | 90% | 2559 fps | 98.1% |
| Hodgdon H4895 | <<locked>> | 82% | 47,659 psi | 86% | 2500 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 98% | 46,891 psi | 85% | 2526 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 84% | 46,615 psi | 85% | 2530 fps | 100% |
| Hodgdon Superformance | <<locked>> | 94% | 48,646 psi | 88% | 2628 fps | 98.8% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,317 psi | 64% | 1529 fps | 100% |
| Hodgdon VARGET | <<locked>> | 84% | 48,921 psi | 89% | 2503 fps | 100% |
| IMR 3031 | <<locked>> | 82% | 47,514 psi | 86% | 2477 fps | 100% |
| IMR 4064 | <<locked>> | 86% | 47,950 psi | 87% | 2480 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 84% | 47,616 psi | 86% | 2461 fps | 98.7% |
| IMR 4350 | <<locked>> | 96% | 48,936 psi | 89% | 2536 fps | 98.6% |
| IMR 4451 Enduron | <<locked>> | 90% | 47,485 psi | 86% | 2490 fps | 98.6% |
| IMR 4831 | <<locked>> | 98% | 49,516 psi | 90% | 2585 fps | 100% |
| IMR 4895 | <<locked>> | 86% | 49,617 psi | 90% | 2559 fps | 100% |
| IMR 4955 Enduronᴾ | <<locked>> | 100% | 47,979 psi | 87% | 2520 fps | 95.7% |
| IMR 8208 XBR | <<locked>> | 82% | 49,487 psi | 90% | 2487 fps | 100% |
| Lovex D073.6 | <<locked>> | 84% | 49,516 psi | 90% | 2507 fps | 100% |
| Lovex S060 | <<locked>> | 82% | 47,326 psi | 86% | 2428 fps | 100% |
| Lovex S062 | <<locked>> | 86% | 47,355 psi | 86% | 2470 fps | 100% |
| Lovex S065 | <<locked>> | 94% | 49,864 psi | 90% | 2530 fps | 99.7% |
| Lovex S070 | <<locked>> | 94% | 47,384 psi | 86% | 2520 fps | 98.9% |
| Lovex S071ᴾ | <<locked>> | 100% | 32,764 psi | 59% | 2310 fps | 96.7% |
| Norma 201 | <<locked>> | 84% | 49,095 psi | 89% | 2484 fps | 100% |
| Norma 202 | <<locked>> | 84% | 49,545 psi | 90% | 2480 fps | 100% |
| Norma 203B | <<locked>> | 86% | 47,645 psi | 86% | 2520 fps | 100% |
| Norma 204 | <<locked>> | 96% | 48,878 psi | 89% | 2579 fps | 97.6% |
| Norma MRPᴾ | <<locked>> | 100% | 42,728 psi | 78% | 2589 fps | 98.2% |
| Norma URP | <<locked>> | 96% | 48,428 psi | 88% | 2585 fps | 100% |
| Ramshot Big Game | <<locked>> | 86% | 47,877 psi | 87% | 2546 fps | 100% |
| Ramshot Hunter | <<locked>> | 96% | 47,181 psi | 86% | 2585 fps | 99.4% |
| Ramshot TAC | <<locked>> | 82% | 49,516 psi | 90% | 2513 fps | 99.7% |
| Ramshot Wild Boar | <<locked>> | 82% | 49,110 psi | 89% | 2526 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,955 psi | 65% | 1572 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 88% | 49,632 psi | 90% | 2530 fps | 99.4% |
| ReloadSwiss RS 52 | <<locked>> | 84% | 48,457 psi | 88% | 2589 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 90% | 47,921 psi | 87% | 2625 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 96% | 48,573 psi | 88% | 2618 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 96% | 48,341 psi | 88% | 2644 fps | 99.9% |
| Rottweil R 902 | <<locked>> | 86% | 49,661 psi | 90% | 2484 fps | 100% |
| Rottweil R 903 | <<locked>> | 90% | 48,051 psi | 87% | 2520 fps | 100% |
| Rottweil R 904ᴾ | <<locked>> | 100% | 49,516 psi | 90% | 2552 fps | 96.7% |
| Rottweil R 905ᴾ | <<locked>> | 100% | 45,455 psi | 82% | 2552 fps | 97.4% |
| Rottweil R 907 | <<locked>> | 92% | 48,530 psi | 88% | 2507 fps | 98.5% |
| Shooters World Long Rifle | <<locked>> | 94% | 49,864 psi | 90% | 2530 fps | 99.7% |
| Shooters World Match Rifle | <<locked>> | 84% | 49,516 psi | 90% | 2507 fps | 100% |
| Shooters World Precision | <<locked>> | 86% | 47,355 psi | 86% | 2470 fps | 100% |
| Shooters World SW4350 | <<locked>> | 94% | 47,384 psi | 86% | 2520 fps | 98.9% |
| SNPE Vectan SP 11 | <<locked>> | 90% | 49,792 psi | 90% | 2579 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 82% | 47,514 psi | 86% | 2487 fps | 99.8% |
| SNPE Vectan SP 9 | <<locked>> | 84% | 48,689 psi | 88% | 2513 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 82% | 47,572 psi | 86% | 2379 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 88% | 47,761 psi | 87% | 2385 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 94% | 49,705 psi | 90% | 2484 fps | 99% |
| SNPE Vectan Tubal 8000ᴾ | <<locked>> | 100% | 45,049 psi | 82% | 2549 fps | 97.3% |
| Somchem S335 | <<locked>> | 82% | 47,123 psi | 86% | 2382 fps | 100% |
| Somchem S341 | <<locked>> | 82% | 47,471 psi | 86% | 2484 fps | 100% |
| Somchem S355 | <<locked>> | 90% | 48,675 psi | 88% | 2520 fps | 100% |
| Somchem S365ᴾ | <<locked>> | 100% | 49,472 psi | 90% | 2628 fps | 100% |
| Somchem S385ᴾ | <<locked>> | 100% | 45,861 psi | 83% | 2533 fps | 98.2% |
| Vihtavuori N133 | <<locked>> | 82% | 47,950 psi | 87% | 2365 fps | 100% |
| Vihtavuori N135 | <<locked>> | 86% | 49,443 psi | 90% | 2444 fps | 100% |
| Vihtavuori N140 | <<locked>> | 84% | 47,166 psi | 86% | 2425 fps | 100% |
| Vihtavuori N150 | <<locked>> | 92% | 49,850 psi | 90% | 2497 fps | 100% |
| Vihtavuori N160 | <<locked>> | 94% | 47,529 psi | 86% | 2530 fps | 99.9% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 39,798 psi | 72% | 2411 fps | 96.3% |
| Vihtavuori N530 | <<locked>> | 82% | 49,821 psi | 90% | 2487 fps | 100% |
| Vihtavuori N540 | <<locked>> | 86% | 48,283 psi | 88% | 2467 fps | 100% |
| Vihtavuori N550 | <<locked>> | 96% | 49,792 psi | 90% | 2589 fps | 100% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 41,843 psi | 76% | 2536 fps | 99.9% |
| Winchester 6.5 StaBALL | <<locked>> | 94% | 47,442 psi | 86% | 2510 fps | 100% |
| Winchester 748 | <<locked>> | 82% | 49,588 psi | 90% | 2533 fps | 100% |
| Winchester 760 | <<locked>> | 94% | 48,704 psi | 88% | 2598 fps | 99.1% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 33,968 psi | 62% | 2497 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 84% | 48,211 psi | 87% | 2516 fps | 100% |
| Winchester Supreme 780ᴾ | <<locked>> | 100% | 43,192 psi | 78% | 2474 fps | 96.4% |
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% | 40,263 psi | 73% | 2333 fps | 100% |
| Accurate 2700 | <<locked>> | 80% | 40,219 psi | 73% | 2326 fps | 96.5% |
| Accurate 3100 | <<locked>> | 92% | 29,965 psi | 54% | 2247 fps | 95.6% |
| Accurate 4064 | <<locked>> | 80% | 38,101 psi | 69% | 2336 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 27,775 psi | 50% | 2201 fps | 96.7% |
| ADI AR 2206H | <<locked>> | 80% | 44,353 psi | 80% | 2448 fps | 100% |
| ADI AR 2208 | <<locked>> | 80% | 37,695 psi | 68% | 2320 fps | 99.3% |
| ADI AR 2209 | <<locked>> | 94% | 39,436 psi | 72% | 2428 fps | 95.3% |
| ADI Benchmark 8208 | <<locked>> | 80% | 46,470 psi | 84% | 2444 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 40,118 psi | 73% | 2493 fps | 99.7% |
| Alliant Power Pro Varmint | <<locked>> | 94% | 39,276 psi | 71% | 2431 fps | 95.5% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 37,130 psi | 67% | 2339 fps | 99.9% |
| Alliant Reloder-15 | <<locked>> | 80% | 40,001 psi | 73% | 2398 fps | 99.7% |
| Alliant Reloder-16 | <<locked>> | 80% | 28,805 psi | 52% | 2218 fps | 96.9% |
| Alliant Reloder-17 | 42.7 gr | 80% | 32,024 psi | 58% | 2333 fps | 99.4% |
| Alliant Reloder-19 | <<locked>> | 94% | 38,783 psi | 70% | 2428 fps | 95.4% |
| Alliant Reloder-22 | <<locked>> | 98% | 38,145 psi | 69% | 2464 fps | 95.4% |
| Alliant Reloder-23 | <<locked>> | 84% | 23,308 psi | 42% | 2096 fps | 95.8% |
| Alliant Reloder-25 | <<locked>> | 96% | 29,907 psi | 54% | 2290 fps | 95.5% |
| Alliant Reloder-26 | <<locked>> | 88% | 27,934 psi | 51% | 2293 fps | 95.9% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 43,555 psi | 79% | 2461 fps | 99.8% |
| Bofors RP3 | <<locked>> | 80% | 36,550 psi | 66% | 2343 fps | 99.9% |
| Bofors RP5 | <<locked>> | 98% | 38,145 psi | 69% | 2464 fps | 95.4% |
| Bofors RP7 | <<locked>> | 82% | 35,389 psi | 64% | 2274 fps | 95.4% |
| Hodgdon BL-C2 | <<locked>> | 80% | 45,005 psi | 82% | 2470 fps | 100% |
| Hodgdon H380 | <<locked>> | 80% | 37,637 psi | 68% | 2352 fps | 98.7% |
| Hodgdon H414 | <<locked>> | 82% | 32,547 psi | 59% | 2300 fps | 95.3% |
| Hodgdon H4350 | <<locked>> | 84% | 38,348 psi | 70% | 2369 fps | 95.6% |
| Hodgdon H4895 | <<locked>> | 80% | 44,744 psi | 81% | 2454 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 26,339 psi | 48% | 2129 fps | 97.6% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 40,712 psi | 74% | 2438 fps | 100% |
| Hodgdon Superformance | <<locked>> | 84% | 34,229 psi | 62% | 2359 fps | 95.2% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,310 psi | 48% | 1368 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 43,105 psi | 78% | 2415 fps | 100% |
| IMR 3031 | <<locked>> | 80% | 44,425 psi | 81% | 2434 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 39,581 psi | 72% | 2346 fps | 99.7% |
| IMR 4166 Enduron | <<locked>> | 80% | 42,061 psi | 76% | 2369 fps | 97.7% |
| IMR 4350 | <<locked>> | 86% | 35,621 psi | 65% | 2303 fps | 95.5% |
| IMR 4451 Enduron | <<locked>> | 80% | 34,867 psi | 63% | 2260 fps | 95.7% |
| IMR 4831 | <<locked>> | 80% | 27,209 psi | 49% | 2169 fps | 96.4% |
| IMR 4895 | <<locked>> | 80% | 40,988 psi | 74% | 2425 fps | 99.9% |
| IMR 4955 Enduron | <<locked>> | 98% | 45,136 psi | 82% | 2474 fps | 95% |
| IMR 8208 XBR | <<locked>> | 80% | 46,470 psi | 84% | 2444 fps | 100% |
| Lovex D073.6 | <<locked>> | 80% | 43,207 psi | 78% | 2418 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 44,483 psi | 81% | 2385 fps | 100% |
| Lovex S062 | <<locked>> | 80% | 39,378 psi | 71% | 2346 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 32,169 psi | 58% | 2215 fps | 96.5% |
| Lovex S070 | <<locked>> | 82% | 32,474 psi | 59% | 2241 fps | 95.4% |
| Lovex S071 | <<locked>> | 96% | 28,761 psi | 52% | 2221 fps | 95.1% |
| Norma 201 | <<locked>> | 80% | 43,221 psi | 78% | 2395 fps | 100% |
| Norma 202 | <<locked>> | 80% | 43,598 psi | 79% | 2398 fps | 100% |
| Norma 203B | <<locked>> | 80% | 39,392 psi | 71% | 2388 fps | 99.9% |
| Norma 204 | <<locked>> | 90% | 40,118 psi | 73% | 2431 fps | 95.5% |
| Norma MRP | <<locked>> | 94% | 34,940 psi | 63% | 2431 fps | 95.9% |
| Norma URP | <<locked>> | 80% | 28,514 psi | 52% | 2208 fps | 96.7% |
| Ramshot Big Game | <<locked>> | 80% | 38,769 psi | 70% | 2402 fps | 99.8% |
| Ramshot Hunter | <<locked>> | 82% | 29,950 psi | 54% | 2244 fps | 95.1% |
| Ramshot TAC | <<locked>> | 80% | 46,354 psi | 84% | 2467 fps | 99.5% |
| Ramshot Wild Boar | <<locked>> | 80% | 45,861 psi | 83% | 2480 fps | 100% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,716 psi | 48% | 1401 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 38,000 psi | 69% | 2336 fps | 97.5% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 42,119 psi | 76% | 2490 fps | 99.9% |
| ReloadSwiss RS 60 | 42.7 gr | 80% | 34,142 psi | 62% | 2385 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 27,717 psi | 50% | 2218 fps | 96.1% |
| ReloadSwiss RS 70 | 43.3 gr | 80% | 28,094 psi | 51% | 2221 fps | 95.1% |
| Rottweil R 902 | <<locked>> | 80% | 41,060 psi | 75% | 2352 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 34,345 psi | 62% | 2293 fps | 99.7% |
| Rottweil R 904 | <<locked>> | 96% | 43,584 psi | 79% | 2457 fps | 95.3% |
| Rottweil R 905 | <<locked>> | 94% | 37,144 psi | 67% | 2402 fps | 95.2% |
| Rottweil R 907 | <<locked>> | 82% | 35,389 psi | 64% | 2274 fps | 95.4% |
| Shooters World Long Rifle | <<locked>> | 80% | 32,169 psi | 58% | 2215 fps | 96.5% |
| Shooters World Match Rifle | <<locked>> | 80% | 43,207 psi | 78% | 2418 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 39,378 psi | 71% | 2346 fps | 100% |
| Shooters World SW4350 | <<locked>> | 82% | 32,474 psi | 59% | 2241 fps | 95.4% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 35,534 psi | 64% | 2346 fps | 99.5% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 44,309 psi | 80% | 2438 fps | 99.5% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 42,772 psi | 78% | 2421 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 44,875 psi | 81% | 2343 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 37,260 psi | 68% | 2231 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 82% | 33,388 psi | 61% | 2208 fps | 95.5% |
| SNPE Vectan Tubal 8000 | <<locked>> | 94% | 36,825 psi | 67% | 2398 fps | 95% |
| Somchem S335 | <<locked>> | 80% | 44,280 psi | 80% | 2343 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 44,353 psi | 80% | 2434 fps | 100% |
| Somchem S355 | <<locked>> | 80% | 35,389 psi | 64% | 2300 fps | 99.7% |
| Somchem S365 | <<locked>> | 80% | 25,527 psi | 46% | 2169 fps | 98.7% |
| Somchem S385 | <<locked>> | 92% | 35,186 psi | 64% | 2343 fps | 95.5% |
| Vihtavuori N133 | <<locked>> | 80% | 45,281 psi | 82% | 2329 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 40,828 psi | 74% | 2326 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 41,263 psi | 75% | 2339 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 33,562 psi | 61% | 2238 fps | 99.9% |
| Vihtavuori N160 | <<locked>> | 80% | 29,921 psi | 54% | 2208 fps | 97% |
| Vihtavuori N165 | <<locked>> | 98% | 37,115 psi | 67% | 2362 fps | 95.5% |
| Vihtavuori N530 | <<locked>> | 80% | 46,427 psi | 84% | 2441 fps | 100% |
| Vihtavuori N540 | <<locked>> | 80% | 39,798 psi | 72% | 2343 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 29,327 psi | 53% | 2211 fps | 96.7% |
| Vihtavuori N555 | <<locked>> | 82% | 23,076 psi | 42% | 2110 fps | 95% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 29,791 psi | 54% | 2188 fps | 98.8% |
| Winchester 748 | <<locked>> | 80% | 46,238 psi | 84% | 2484 fps | 100% |
| Winchester 760 | <<locked>> | 82% | 32,547 psi | 59% | 2300 fps | 95.3% |
| Winchester StaBALL HD | <<locked>> | 88% | 23,076 psi | 42% | 2162 fps | 96.3% |
| Winchester StaBALL Match | <<locked>> | 80% | 42,221 psi | 77% | 2428 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 98% | 40,437 psi | 73% | 2425 fps | 95.7% |
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 102 powders for 7.5 x 55 Swiss loaded with the .308 | 206gr | Peregrine Backup (VRG-2). Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 2,651 fps; across all powders the maximum-charge window runs from 1,529 fps to 2,651 fps. Accurate 3100 gives the best case fill at 100 %, and 102 of the 102 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 206.0 gr projectile in 0.308" calls for a 1:12.5 twist; slower twists will usually not stabilise this weight. Accurate 3100, ADI AR 2209, Alliant Power Pro Varmint 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 Reloder-17, ReloadSwiss RS 60, ReloadSwiss RS 70 rank at the top here: for 7.5 x 55 Swiss with the .308 | 206gr | Peregrine Backup (VRG-2) 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.