
Load Specifications
Load data in caliber .30-06 Spring. with .308 | 207gr | Peregrine VLR-5 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 Power Pro 2000-MR 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: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 84% | 51,822 psi | 88% | 2320 fps | 100% |
| Accurate 2495 | <<locked>> | 90% | 52,794 psi | 90% | 2375 fps | 100% |
| Accurate 2520 | <<locked>> | 84% | 51,474 psi | 88% | 2395 fps | 100% |
| Accurate 2700 | <<locked>> | 90% | 53,127 psi | 90% | 2385 fps | 97.2% |
| Accurate 4064 | <<locked>> | 92% | 52,562 psi | 89% | 2415 fps | 100% |
| Accurate 4350ᴾ | <<locked>> | 100% | 52,330 psi | 89% | 2493 fps | 99.7% |
| ADI AR 2206H | <<locked>> | 86% | 50,676 psi | 86% | 2405 fps | 99.9% |
| ADI AR 2208 | <<locked>> | 92% | 51,953 psi | 88% | 2408 fps | 99.8% |
| ADI Benchmark 8208 | <<locked>> | 86% | 53,142 psi | 90% | 2408 fps | 100% |
| Alliant AR-Comp | <<locked>> | 84% | 50,299 psi | 86% | 2343 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 88% | 50,096 psi | 85% | 2507 fps | 99.8% |
| Alliant Reloder- TS 15.5 | <<locked>> | 92% | 51,488 psi | 88% | 2428 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 90% | 51,967 psi | 88% | 2444 fps | 99.9% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 50,966 psi | 87% | 2500 fps | 99.8% |
| Alliant Reloder-17 | <<locked>> | 96% | 51,721 psi | 88% | 2530 fps | 100% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 35,853 psi | 61% | 2270 fps | 98.6% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 39,726 psi | 68% | 2402 fps | 97.6% |
| Baschieri & Pellagri 107 | <<locked>> | 86% | 50,415 psi | 86% | 2421 fps | 99.6% |
| Bofors RP3 | <<locked>> | 92% | 51,517 psi | 88% | 2438 fps | 100% |
| Bofors RP7 | <<locked>> | 96% | 52,199 psi | 89% | 2411 fps | 97.3% |
| Hodgdon Benchmark | <<locked>> | 84% | 51,895 psi | 88% | 2352 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 86% | 52,156 psi | 89% | 2434 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 82% | 50,430 psi | 86% | 2470 fps | 99.8% |
| Hodgdon H380 | <<locked>> | 92% | 52,837 psi | 90% | 2451 fps | 99.5% |
| Hodgdon H414 | <<locked>> | 98% | 51,909 psi | 88% | 2490 fps | 98% |
| Hodgdon H4350 | <<locked>> | 94% | 49,937 psi | 85% | 2415 fps | 96.2% |
| Hodgdon H4895 | <<locked>> | 86% | 51,126 psi | 87% | 2415 fps | 100% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 46,760 psi | 80% | 2388 fps | 99.9% |
| Hodgdon LEVERevolution | <<locked>> | 88% | 50,343 psi | 86% | 2444 fps | 100% |
| Hodgdon Superformance | <<locked>> | 98% | 52,794 psi | 90% | 2526 fps | 97.7% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,027 psi | 60% | 1457 fps | 100% |
| Hodgdon VARGET | <<locked>> | 88% | 52,649 psi | 90% | 2418 fps | 100% |
| IMR 3031 | <<locked>> | 86% | 50,952 psi | 87% | 2398 fps | 100% |
| IMR 4064 | <<locked>> | 90% | 51,285 psi | 87% | 2392 fps | 99.8% |
| IMR 4166 Enduron | <<locked>> | 88% | 51,721 psi | 88% | 2379 fps | 97.7% |
| IMR 4350ᴾ | <<locked>> | 100% | 52,301 psi | 89% | 2434 fps | 97.4% |
| IMR 4451 Enduron | <<locked>> | 94% | 50,966 psi | 87% | 2395 fps | 97.5% |
| IMR 4831ᴾ | <<locked>> | 100% | 49,400 psi | 84% | 2441 fps | 99.5% |
| IMR 4895 | <<locked>> | 88% | 49,980 psi | 85% | 2425 fps | 99.9% |
| IMR 8208 XBR | <<locked>> | 86% | 53,142 psi | 90% | 2408 fps | 100% |
| Lovex D073.5 | <<locked>> | 82% | 52,997 psi | 90% | 2392 fps | 100% |
| Lovex D073.6 | <<locked>> | 86% | 49,806 psi | 85% | 2382 fps | 100% |
| Lovex S060 | <<locked>> | 86% | 50,908 psi | 87% | 2346 fps | 99.9% |
| Lovex S062 | <<locked>> | 90% | 50,836 psi | 87% | 2388 fps | 100% |
| Lovex S065 | <<locked>> | 98% | 53,113 psi | 90% | 2431 fps | 99% |
| Lovex S070 | <<locked>> | 98% | 50,459 psi | 86% | 2415 fps | 97.8% |
| Norma 201 | <<locked>> | 88% | 52,750 psi | 90% | 2402 fps | 100% |
| Norma 202 | <<locked>> | 86% | 50,183 psi | 85% | 2365 fps | 100% |
| Norma 203B | <<locked>> | 90% | 51,140 psi | 87% | 2431 fps | 100% |
| Norma 204ᴾ | <<locked>> | 100% | 52,866 psi | 90% | 2477 fps | 96.2% |
| Norma URPᴾ | <<locked>> | 100% | 51,590 psi | 88% | 2484 fps | 99.6% |
| Ramshot Big Game | <<locked>> | 90% | 51,488 psi | 88% | 2454 fps | 99.9% |
| Ramshot Hunterᴾ | <<locked>> | 100% | 50,691 psi | 86% | 2484 fps | 98.5% |
| Ramshot TAC | <<locked>> | 84% | 50,125 psi | 85% | 2382 fps | 98.7% |
| Ramshot Wild Boar | <<locked>> | 86% | 53,142 psi | 90% | 2444 fps | 100% |
| Ramshot X-Terminator | <<locked>> | 82% | 50,836 psi | 87% | 2369 fps | 99.9% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,650 psi | 61% | 1493 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 82% | 52,939 psi | 90% | 2392 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 90% | 49,966 psi | 85% | 2388 fps | 98% |
| ReloadSwiss RS 52 | <<locked>> | 88% | 52,040 psi | 89% | 2500 fps | 99.9% |
| ReloadSwiss RS 60 | <<locked>> | 94% | 51,750 psi | 88% | 2533 fps | 100% |
| ReloadSwiss RS 62ᴾ | <<locked>> | 100% | 51,793 psi | 88% | 2513 fps | 99.6% |
| ReloadSwiss RS 70ᴾ | <<locked>> | 100% | 52,286 psi | 89% | 2543 fps | 99.4% |
| Rottweil R 901 | <<locked>> | 84% | 50,575 psi | 86% | 2343 fps | 100% |
| Rottweil R 902 | <<locked>> | 90% | 53,084 psi | 90% | 2398 fps | 100% |
| Rottweil R 903 | <<locked>> | 94% | 51,401 psi | 88% | 2431 fps | 100% |
| Rottweil R 907 | <<locked>> | 96% | 52,199 psi | 89% | 2411 fps | 97.3% |
| Shooters World Long Rifle | <<locked>> | 98% | 53,113 psi | 90% | 2431 fps | 99% |
| Shooters World Match Rifle | <<locked>> | 86% | 49,806 psi | 85% | 2382 fps | 100% |
| Shooters World Precision | <<locked>> | 90% | 50,836 psi | 87% | 2388 fps | 100% |
| Shooters World SW4350 | <<locked>> | 98% | 50,459 psi | 86% | 2415 fps | 97.8% |
| SNPE Vectan SP 11 | <<locked>> | 92% | 49,980 psi | 85% | 2441 fps | 99.9% |
| SNPE Vectan SP 7 | <<locked>> | 86% | 51,517 psi | 88% | 2405 fps | 99.3% |
| SNPE Vectan SP 9 | <<locked>> | 88% | 52,373 psi | 89% | 2425 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 86% | 51,300 psi | 87% | 2306 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 92% | 51,256 psi | 87% | 2310 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 96% | 50,256 psi | 86% | 2349 fps | 97.5% |
| Somchem S321 | <<locked>> | 82% | 50,937 psi | 87% | 2395 fps | 100% |
| Somchem S335 | <<locked>> | 86% | 50,575 psi | 86% | 2306 fps | 100% |
| Somchem S341 | <<locked>> | 86% | 51,430 psi | 88% | 2402 fps | 99.9% |
| Somchem S355 | <<locked>> | 94% | 52,054 psi | 89% | 2428 fps | 100% |
| Somchem S365ᴾ | <<locked>> | 100% | 46,093 psi | 78% | 2441 fps | 100% |
| Vihtavuori N130 | <<locked>> | 82% | 51,445 psi | 88% | 2277 fps | 100% |
| Vihtavuori N133 | <<locked>> | 86% | 51,576 psi | 88% | 2297 fps | 100% |
| Vihtavuori N135 | <<locked>> | 90% | 52,765 psi | 90% | 2369 fps | 100% |
| Vihtavuori N140 | <<locked>> | 88% | 50,662 psi | 86% | 2346 fps | 100% |
| Vihtavuori N150 | <<locked>> | 94% | 50,125 psi | 85% | 2369 fps | 100% |
| Vihtavuori N160 | <<locked>> | 98% | 51,010 psi | 87% | 2438 fps | 99.5% |
| Vihtavuori N530 | <<locked>> | 84% | 50,299 psi | 86% | 2365 fps | 100% |
| Vihtavuori N540 | <<locked>> | 90% | 51,996 psi | 89% | 2385 fps | 100% |
| Vihtavuori N550ᴾ | <<locked>> | 100% | 53,113 psi | 90% | 2484 fps | 99.6% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 38,580 psi | 66% | 2333 fps | 98.4% |
| Winchester 6.5 StaBALL | <<locked>> | 98% | 51,227 psi | 87% | 2418 fps | 100% |
| Winchester 748 | <<locked>> | 84% | 49,908 psi | 85% | 2405 fps | 100% |
| Winchester 760 | <<locked>> | 98% | 52,272 psi | 89% | 2497 fps | 98.1% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 31,879 psi | 54% | 2260 fps | 98.1% |
| Winchester StaBALL Match | <<locked>> | 88% | 52,214 psi | 89% | 2434 fps | 100% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 80% | 45,687 psi | 78% | 2241 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 37,637 psi | 64% | 2172 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 44,773 psi | 76% | 2306 fps | 100% |
| Accurate 2700 | <<locked>> | 84% | 43,540 psi | 74% | 2244 fps | 95.1% |
| Accurate 4064 | <<locked>> | 80% | 35,650 psi | 61% | 2169 fps | 100% |
| Accurate 4350 | <<locked>> | 86% | 31,734 psi | 54% | 2152 fps | 95.6% |
| ADI AR 2206H | <<locked>> | 80% | 42,032 psi | 72% | 2274 fps | 99.2% |
| ADI AR 2208 | <<locked>> | 80% | 35,665 psi | 61% | 2142 fps | 97.4% |
| ADI Benchmark 8208 | <<locked>> | 80% | 44,135 psi | 75% | 2280 fps | 99.9% |
| Alliant AR-Comp | <<locked>> | 80% | 43,990 psi | 75% | 2264 fps | 100% |
| Alliant Power Pro 2000-MR | 42.1 gr | 80% | 38,058 psi | 65% | 2300 fps | 97.9% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 34,925 psi | 59% | 2162 fps | 98.6% |
| Alliant Reloder-15 | <<locked>> | 80% | 37,753 psi | 64% | 2218 fps | 98.1% |
| Alliant Reloder-16 | <<locked>> | 84% | 30,966 psi | 53% | 2123 fps | 95% |
| Alliant Reloder-17 | <<locked>> | 80% | 30,066 psi | 51% | 2133 fps | 96.7% |
| Alliant Reloder-23 | <<locked>> | 92% | 27,934 psi | 48% | 2080 fps | 95.4% |
| Alliant Reloder-26 | <<locked>> | 96% | 34,330 psi | 58% | 2287 fps | 95.6% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 41,104 psi | 70% | 2277 fps | 98.3% |
| Bofors RP3 | <<locked>> | 80% | 34,301 psi | 58% | 2162 fps | 98.6% |
| Bofors RP7 | <<locked>> | 90% | 43,221 psi | 74% | 2274 fps | 95.3% |
| Hodgdon Benchmark | <<locked>> | 80% | 46,021 psi | 78% | 2270 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 80% | 42,598 psi | 73% | 2300 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 80% | 46,876 psi | 80% | 2418 fps | 99.6% |
| Hodgdon H380 | <<locked>> | 80% | 35,259 psi | 60% | 2165 fps | 96.1% |
| Hodgdon H414 | <<locked>> | 90% | 39,900 psi | 68% | 2300 fps | 95.2% |
| Hodgdon H4350 | <<locked>> | 92% | 46,804 psi | 80% | 2365 fps | 95.5% |
| Hodgdon H4895 | <<locked>> | 80% | 42,380 psi | 72% | 2283 fps | 99.6% |
| Hodgdon Hybrid 100V | <<locked>> | 84% | 28,108 psi | 48% | 2034 fps | 95.8% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 38,101 psi | 65% | 2257 fps | 99.3% |
| Hodgdon Superformance | 50.3 gr | 92% | 42,482 psi | 72% | 2362 fps | 95.1% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,063 psi | 44% | 1299 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 40,872 psi | 70% | 2244 fps | 99.3% |
| IMR 3031 | <<locked>> | 80% | 41,959 psi | 71% | 2277 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 37,420 psi | 64% | 2172 fps | 98% |
| IMR 4166 Enduron | <<locked>> | 80% | 40,103 psi | 68% | 2192 fps | 95% |
| IMR 4350 | <<locked>> | 94% | 43,134 psi | 73% | 2297 fps | 95.3% |
| IMR 4451 Enduron | <<locked>> | 88% | 42,438 psi | 72% | 2260 fps | 95.6% |
| IMR 4831 | <<locked>> | 86% | 31,169 psi | 53% | 2123 fps | 95.4% |
| IMR 4895 | <<locked>> | 80% | 38,667 psi | 66% | 2244 fps | 98.8% |
| IMR 8208 XBR | <<locked>> | 80% | 44,135 psi | 75% | 2280 fps | 99.9% |
| Lovex D073.5 | <<locked>> | 80% | 49,690 psi | 85% | 2349 fps | 100% |
| Lovex D073.6 | <<locked>> | 80% | 40,683 psi | 69% | 2251 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 42,322 psi | 72% | 2218 fps | 99.2% |
| Lovex S062 | <<locked>> | 80% | 37,159 psi | 63% | 2175 fps | 99.3% |
| Lovex S065 | <<locked>> | 86% | 36,637 psi | 62% | 2169 fps | 95.6% |
| Lovex S070 | <<locked>> | 90% | 39,247 psi | 67% | 2234 fps | 95.2% |
| Norma 201 | <<locked>> | 80% | 40,915 psi | 70% | 2228 fps | 99.7% |
| Norma 202 | <<locked>> | 80% | 41,220 psi | 70% | 2238 fps | 100% |
| Norma 203B | <<locked>> | 80% | 37,144 psi | 63% | 2208 fps | 98.4% |
| Norma 204 | <<locked>> | 98% | 49,168 psi | 84% | 2425 fps | 95.4% |
| Norma URP | <<locked>> | 86% | 32,692 psi | 56% | 2162 fps | 95.7% |
| Ramshot Big Game | <<locked>> | 80% | 36,637 psi | 62% | 2221 fps | 98.2% |
| Ramshot Hunter | <<locked>> | 90% | 36,579 psi | 62% | 2241 fps | 95% |
| Ramshot TAC | <<locked>> | 80% | 44,005 psi | 75% | 2287 fps | 97.7% |
| Ramshot Wild Boar | <<locked>> | 80% | 43,323 psi | 74% | 2303 fps | 99.4% |
| Ramshot X-Terminator | <<locked>> | 80% | 47,485 psi | 81% | 2320 fps | 99.7% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,440 psi | 45% | 1332 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 49,661 psi | 85% | 2349 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 82% | 38,450 psi | 65% | 2201 fps | 95.3% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 39,465 psi | 67% | 2303 fps | 98.5% |
| ReloadSwiss RS 60 | 41.4 gr | 80% | 32,082 psi | 55% | 2188 fps | 99.4% |
| ReloadSwiss RS 62 | <<locked>> | 86% | 31,923 psi | 54% | 2172 fps | 95.1% |
| ReloadSwiss RS 70 | <<locked>> | 88% | 34,780 psi | 59% | 2228 fps | 95.2% |
| Rottweil R 901 | <<locked>> | 80% | 44,744 psi | 76% | 2260 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 39,059 psi | 66% | 2192 fps | 99.5% |
| Rottweil R 903 | <<locked>> | 80% | 32,372 psi | 55% | 2116 fps | 97.9% |
| Rottweil R 907 | <<locked>> | 90% | 43,221 psi | 74% | 2274 fps | 95.3% |
| Shooters World Long Rifle | <<locked>> | 86% | 36,637 psi | 62% | 2169 fps | 95.6% |
| Shooters World Match Rifle | <<locked>> | 80% | 40,683 psi | 69% | 2251 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 37,159 psi | 63% | 2175 fps | 99.3% |
| Shooters World SW4350 | <<locked>> | 90% | 39,247 psi | 67% | 2234 fps | 95.2% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 33,504 psi | 57% | 2162 fps | 97.4% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 42,076 psi | 72% | 2260 fps | 97.8% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 40,553 psi | 69% | 2247 fps | 99% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 42,525 psi | 72% | 2188 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 35,143 psi | 60% | 2077 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 90% | 41,075 psi | 70% | 2211 fps | 95.4% |
| Somchem S321 | <<locked>> | 80% | 47,514 psi | 81% | 2349 fps | 100% |
| Somchem S335 | <<locked>> | 80% | 42,032 psi | 72% | 2192 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 41,843 psi | 71% | 2260 fps | 99.1% |
| Somchem S355 | <<locked>> | 80% | 33,272 psi | 57% | 2119 fps | 97.9% |
| Somchem S365 | <<locked>> | 80% | 23,975 psi | 41% | 1972 fps | 95.1% |
| Vihtavuori N130 | <<locked>> | 80% | 48,182 psi | 82% | 2238 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 42,873 psi | 73% | 2182 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 38,247 psi | 65% | 2172 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 39,204 psi | 67% | 2185 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 31,734 psi | 54% | 2070 fps | 98.6% |
| Vihtavuori N160 | <<locked>> | 84% | 32,140 psi | 55% | 2116 fps | 95.4% |
| Vihtavuori N530 | <<locked>> | 80% | 44,048 psi | 75% | 2274 fps | 99.9% |
| Vihtavuori N540 | <<locked>> | 80% | 37,420 psi | 64% | 2172 fps | 100% |
| Vihtavuori N550 | <<locked>> | 86% | 33,591 psi | 57% | 2165 fps | 95.8% |
| Vihtavuori N555 | <<locked>> | 92% | 29,646 psi | 50% | 2146 fps | 95.5% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 28,166 psi | 48% | 2005 fps | 95.9% |
| Winchester 748 | <<locked>> | 80% | 43,424 psi | 74% | 2313 fps | 100% |
| Winchester 760 | <<locked>> | 90% | 39,900 psi | 68% | 2300 fps | 95.2% |
| Winchester StaBALL HD | <<locked>> | 96% | 27,905 psi | 48% | 2142 fps | 95.7% |
| Winchester StaBALL Match | <<locked>> | 80% | 39,726 psi | 68% | 2247 fps | 99.3% |
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 113 powders for .30-06 Spring. loaded with the .308 | 207gr | Peregrine VLR-5. ReloadSwiss RS 70 delivers the highest muzzle velocity at 2,543 fps; across all powders the maximum-charge window runs from 1,457 fps to 2,543 fps. Accurate 3100 gives the best case fill at 100 %, and 113 of the 113 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (405 MPa), the top charges use 52–90 %, leaving at least 10 % headroom. The 207.0 gr projectile in 0.308" calls for a 1:9.5 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 Power Pro 2000-MR, Hodgdon Superformance rank at the top here: for .30-06 Spring. with the .308 | 207gr | Peregrine VLR-5 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.