Load Specifications
Load data in caliber .30-06 Spring. with .308 | 185gr | Berger Juggernaut Target bullet and 94 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant Power Pro 2000-MR, Alliant Reloder-17 and ReloadSwiss RS 60.
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>> | 82% | 50,531 psi | 86% | 2474 fps | 100% |
| Accurate 2495 | <<locked>> | 88% | 52,040 psi | 89% | 2536 fps | 100% |
| Accurate 2520 | <<locked>> | 82% | 50,285 psi | 86% | 2549 fps | 100% |
| Accurate 2700 | <<locked>> | 88% | 51,343 psi | 87% | 2526 fps | 96.3% |
| Accurate 4064 | <<locked>> | 90% | 52,098 psi | 89% | 2582 fps | 100% |
| Accurate 4350 | <<locked>> | 98% | 51,126 psi | 87% | 2648 fps | 99.4% |
| ADI AR 2206H | <<locked>> | 86% | 52,591 psi | 90% | 2605 fps | 99.9% |
| ADI AR 2208 | <<locked>> | 90% | 50,546 psi | 86% | 2559 fps | 99.5% |
| ADI Benchmark 8208 | <<locked>> | 84% | 51,721 psi | 88% | 2562 fps | 100% |
| Alliant AR-Comp | <<locked>> | 84% | 52,214 psi | 89% | 2539 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 88% | 51,967 psi | 88% | 2713 fps | 99.7% |
| Alliant Reloder- TS 15.5 | <<locked>> | 90% | 50,169 psi | 85% | 2579 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 88% | 50,734 psi | 86% | 2595 fps | 99.6% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 52,852 psi | 90% | 2703 fps | 99.7% |
| Alliant Reloder-17 | <<locked>> | 94% | 50,546 psi | 86% | 2687 fps | 100% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 37,594 psi | 64% | 2457 fps | 98.5% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 41,756 psi | 71% | 2598 fps | 97.6% |
| Baschieri & Pellagri 107 | <<locked>> | 86% | 52,199 psi | 89% | 2618 fps | 99.5% |
| Bofors RP3 | <<locked>> | 90% | 50,589 psi | 86% | 2595 fps | 100% |
| Bofors RP7 | <<locked>> | 94% | 51,082 psi | 87% | 2562 fps | 96.6% |
| Hodgdon Benchmark | <<locked>> | 82% | 50,314 psi | 86% | 2500 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 84% | 50,691 psi | 86% | 2585 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 82% | 52,562 psi | 89% | 2677 fps | 99.8% |
| Hodgdon H380 | <<locked>> | 90% | 51,532 psi | 88% | 2602 fps | 99% |
| Hodgdon H414 | <<locked>> | 96% | 50,778 psi | 86% | 2644 fps | 97.3% |
| Hodgdon H4350 | <<locked>> | 94% | 51,851 psi | 88% | 2612 fps | 96.1% |
| Hodgdon H4895 | <<locked>> | 86% | 53,084 psi | 90% | 2615 fps | 100% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 48,965 psi | 83% | 2585 fps | 99.9% |
| Hodgdon LEVERevolution | <<locked>> | 88% | 52,359 psi | 89% | 2648 fps | 100% |
| Hodgdon Superformance | <<locked>> | 96% | 51,474 psi | 88% | 2677 fps | 96.9% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,375 psi | 60% | 1588 fps | 100% |
| Hodgdon VARGET | <<locked>> | 86% | 51,169 psi | 87% | 2572 fps | 99.9% |
| IMR 3031 | <<locked>> | 86% | 52,881 psi | 90% | 2598 fps | 100% |
| IMR 4064 | <<locked>> | 88% | 49,951 psi | 85% | 2543 fps | 99.6% |
| IMR 4166 Enduron | <<locked>> | 86% | 50,053 psi | 85% | 2520 fps | 96.9% |
| IMR 4350 | <<locked>> | 98% | 50,908 psi | 87% | 2582 fps | 96.6% |
| IMR 4451 Enduron | <<locked>> | 94% | 52,837 psi | 90% | 2592 fps | 97.4% |
| IMR 4831ᴾ | <<locked>> | 100% | 51,996 psi | 89% | 2644 fps | 99.5% |
| IMR 4895 | <<locked>> | 88% | 51,953 psi | 88% | 2625 fps | 99.9% |
| IMR 8208 XBR | <<locked>> | 84% | 51,721 psi | 88% | 2562 fps | 100% |
| Lovex D073.6 | <<locked>> | 86% | 52,257 psi | 89% | 2585 fps | 100% |
| Lovex S060 | <<locked>> | 86% | 52,344 psi | 89% | 2539 fps | 99.9% |
| Lovex S062 | <<locked>> | 90% | 52,968 psi | 90% | 2589 fps | 100% |
| Lovex S065 | <<locked>> | 96% | 52,141 psi | 89% | 2589 fps | 98.5% |
| Lovex S070 | <<locked>> | 98% | 52,678 psi | 90% | 2615 fps | 97.7% |
| Norma 201 | <<locked>> | 86% | 51,532 psi | 88% | 2559 fps | 100% |
| Norma 202 | <<locked>> | 86% | 52,069 psi | 89% | 2562 fps | 100% |
| Norma 203B | <<locked>> | 88% | 49,951 psi | 85% | 2585 fps | 99.8% |
| Norma URP | <<locked>> | 98% | 50,473 psi | 86% | 2638 fps | 99.3% |
| Ramshot Big Game | <<locked>> | 88% | 50,198 psi | 85% | 2608 fps | 99.7% |
| Ramshot Hunterᴾ | <<locked>> | 100% | 52,750 psi | 90% | 2684 fps | 98.4% |
| Ramshot TAC | <<locked>> | 84% | 51,808 psi | 88% | 2575 fps | 98.6% |
| Ramshot Wild Boar | <<locked>> | 84% | 51,430 psi | 88% | 2595 fps | 99.8% |
| Ramshot X-Terminator | <<locked>> | 82% | 52,649 psi | 90% | 2562 fps | 99.8% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,926 psi | 61% | 1627 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 90% | 51,895 psi | 88% | 2585 fps | 97.9% |
| ReloadSwiss RS 52 | <<locked>> | 86% | 50,865 psi | 87% | 2657 fps | 99.6% |
| ReloadSwiss RS 60 | <<locked>> | 92% | 50,256 psi | 86% | 2687 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 98% | 50,807 psi | 86% | 2671 fps | 99.2% |
| ReloadSwiss RS 70 | <<locked>> | 98% | 50,749 psi | 86% | 2690 fps | 98.9% |
| Rottweil R 901 | <<locked>> | 84% | 52,562 psi | 89% | 2539 fps | 100% |
| Rottweil R 902 | <<locked>> | 88% | 52,054 psi | 89% | 2556 fps | 100% |
| Rottweil R 903 | <<locked>> | 92% | 50,473 psi | 86% | 2585 fps | 100% |
| Rottweil R 907 | <<locked>> | 94% | 51,082 psi | 87% | 2562 fps | 96.6% |
| Shooters World Long Rifle | <<locked>> | 96% | 52,141 psi | 89% | 2589 fps | 98.5% |
| Shooters World Match Rifle | <<locked>> | 86% | 52,257 psi | 89% | 2585 fps | 100% |
| Shooters World Precision | <<locked>> | 90% | 52,968 psi | 90% | 2589 fps | 100% |
| Shooters World SW4350 | <<locked>> | 98% | 52,678 psi | 90% | 2615 fps | 97.7% |
| SNPE Vectan SP 11 | <<locked>> | 92% | 52,069 psi | 89% | 2641 fps | 99.9% |
| SNPE Vectan SP 7 | <<locked>> | 84% | 50,227 psi | 86% | 2552 fps | 98.8% |
| SNPE Vectan SP 9 | <<locked>> | 86% | 51,169 psi | 87% | 2582 fps | 99.8% |
| SNPE Vectan Tubal 3000 | <<locked>> | 84% | 49,908 psi | 85% | 2457 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 90% | 49,864 psi | 85% | 2461 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 96% | 52,257 psi | 89% | 2539 fps | 97.3% |
| Somchem S321 | <<locked>> | 82% | 52,852 psi | 90% | 2592 fps | 100% |
| Somchem S335 | <<locked>> | 86% | 52,460 psi | 89% | 2503 fps | 100% |
| Somchem S341 | <<locked>> | 84% | 49,734 psi | 85% | 2546 fps | 99.7% |
| Somchem S355 | <<locked>> | 92% | 50,865 psi | 87% | 2585 fps | 99.9% |
| Somchem S365ᴾ | <<locked>> | 100% | 48,283 psi | 82% | 2641 fps | 100% |
| Vihtavuori N130 | <<locked>> | 82% | 53,011 psi | 90% | 2467 fps | 100% |
| Vihtavuori N133 | <<locked>> | 84% | 50,169 psi | 85% | 2448 fps | 100% |
| Vihtavuori N135 | <<locked>> | 88% | 51,576 psi | 88% | 2526 fps | 100% |
| Vihtavuori N140 | <<locked>> | 88% | 52,402 psi | 89% | 2539 fps | 100% |
| Vihtavuori N150 | <<locked>> | 94% | 52,315 psi | 89% | 2566 fps | 100% |
| Vihtavuori N160 | <<locked>> | 98% | 53,011 psi | 90% | 2635 fps | 99.4% |
| Vihtavuori N530 | <<locked>> | 84% | 52,054 psi | 89% | 2559 fps | 100% |
| Vihtavuori N540 | <<locked>> | 88% | 50,662 psi | 86% | 2536 fps | 100% |
| Vihtavuori N550 | <<locked>> | 98% | 52,098 psi | 89% | 2641 fps | 99.3% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 40,770 psi | 69% | 2526 fps | 98.4% |
| Winchester 6.5 StaBALL | <<locked>> | 96% | 49,908 psi | 85% | 2569 fps | 100% |
| Winchester 748 | <<locked>> | 84% | 51,895 psi | 88% | 2605 fps | 100% |
| Winchester 760 | <<locked>> | 96% | 51,111 psi | 87% | 2651 fps | 97.4% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 33,663 psi | 57% | 2451 fps | 98.1% |
| Winchester StaBALL Match | <<locked>> | 86% | 50,792 psi | 86% | 2585 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% | 47,369 psi | 81% | 2431 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 40,147 psi | 68% | 2365 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 46,891 psi | 80% | 2500 fps | 100% |
| Accurate 2700 | <<locked>> | 86% | 48,225 psi | 82% | 2480 fps | 95.7% |
| Accurate 4064 | <<locked>> | 80% | 37,942 psi | 65% | 2359 fps | 100% |
| Accurate 4350 | <<locked>> | 86% | 33,779 psi | 58% | 2336 fps | 95.6% |
| ADI AR 2206H | <<locked>> | 80% | 43,584 psi | 74% | 2461 fps | 99.1% |
| ADI AR 2208 | <<locked>> | 80% | 37,028 psi | 63% | 2323 fps | 97.1% |
| ADI Benchmark 8208 | <<locked>> | 80% | 45,600 psi | 78% | 2467 fps | 99.8% |
| Alliant AR-Comp | <<locked>> | 80% | 45,803 psi | 78% | 2454 fps | 100% |
| Alliant Power Pro 2000-MR | 46.8 gr | 80% | 39,537 psi | 67% | 2487 fps | 97.7% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 36,637 psi | 62% | 2346 fps | 98.5% |
| Alliant Reloder-15 | <<locked>> | 80% | 39,305 psi | 67% | 2398 fps | 97.9% |
| Alliant Reloder-16 | <<locked>> | 86% | 34,374 psi | 59% | 2352 fps | 95.7% |
| Alliant Reloder-17 | 46.1 gr | 80% | 31,618 psi | 54% | 2313 fps | 96.5% |
| Alliant Reloder-23 | <<locked>> | 92% | 29,515 psi | 50% | 2257 fps | 95.3% |
| Alliant Reloder-26 | <<locked>> | 96% | 36,448 psi | 62% | 2480 fps | 95.7% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 42,801 psi | 73% | 2467 fps | 98.2% |
| Bofors RP3 | <<locked>> | 80% | 36,216 psi | 62% | 2346 fps | 98.6% |
| Bofors RP7 | <<locked>> | 90% | 45,005 psi | 77% | 2464 fps | 95.1% |
| Hodgdon Benchmark | <<locked>> | 80% | 47,601 psi | 81% | 2461 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 80% | 44,382 psi | 76% | 2490 fps | 99.9% |
| Hodgdon CFE223 | <<locked>> | 80% | 48,936 psi | 83% | 2621 fps | 99.5% |
| Hodgdon H380 | <<locked>> | 80% | 37,115 psi | 63% | 2349 fps | 96% |
| Hodgdon H414 | <<locked>> | 90% | 41,640 psi | 71% | 2487 fps | 95% |
| Hodgdon H4350 | <<locked>> | 92% | 48,704 psi | 83% | 2562 fps | 95.3% |
| Hodgdon H4895 | <<locked>> | 80% | 43,947 psi | 75% | 2470 fps | 99.5% |
| Hodgdon Hybrid 100V | <<locked>> | 84% | 29,515 psi | 50% | 2208 fps | 95.7% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 39,943 psi | 68% | 2448 fps | 99.3% |
| Hodgdon Superformance | <<locked>> | 92% | 44,541 psi | 76% | 2556 fps | 95.1% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,324 psi | 45% | 1417 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 42,264 psi | 72% | 2428 fps | 99.2% |
| IMR 3031 | <<locked>> | 80% | 43,714 psi | 74% | 2467 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 38,870 psi | 66% | 2352 fps | 97.9% |
| IMR 4166 Enduron | <<locked>> | 82% | 44,222 psi | 75% | 2421 fps | 95.6% |
| IMR 4350 | <<locked>> | 94% | 44,933 psi | 76% | 2487 fps | 95.2% |
| IMR 4451 Enduron | <<locked>> | 88% | 44,150 psi | 75% | 2451 fps | 95.4% |
| IMR 4831 | <<locked>> | 86% | 32,837 psi | 56% | 2300 fps | 95.3% |
| IMR 4895 | <<locked>> | 80% | 40,263 psi | 69% | 2428 fps | 98.6% |
| IMR 8208 XBR | <<locked>> | 80% | 45,600 psi | 78% | 2467 fps | 99.8% |
| Lovex D073.6 | <<locked>> | 80% | 42,743 psi | 73% | 2444 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 43,700 psi | 74% | 2402 fps | 99.1% |
| Lovex S062 | <<locked>> | 80% | 38,769 psi | 66% | 2359 fps | 99.2% |
| Lovex S065 | <<locked>> | 86% | 38,392 psi | 65% | 2352 fps | 95.5% |
| Lovex S070 | <<locked>> | 90% | 41,205 psi | 70% | 2425 fps | 95.1% |
| Norma 201 | <<locked>> | 80% | 42,830 psi | 73% | 2418 fps | 99.7% |
| Norma 202 | <<locked>> | 80% | 42,975 psi | 73% | 2425 fps | 100% |
| Norma 203B | <<locked>> | 80% | 38,682 psi | 66% | 2388 fps | 98.3% |
| Norma URP | <<locked>> | 86% | 34,287 psi | 58% | 2343 fps | 95.6% |
| Ramshot Big Game | <<locked>> | 80% | 38,218 psi | 65% | 2402 fps | 98% |
| Ramshot Hunter | <<locked>> | 92% | 40,814 psi | 69% | 2480 fps | 95.7% |
| Ramshot TAC | <<locked>> | 80% | 45,614 psi | 78% | 2474 fps | 97.5% |
| Ramshot Wild Boar | <<locked>> | 80% | 44,918 psi | 76% | 2490 fps | 99.3% |
| Ramshot X-Terminator | <<locked>> | 80% | 49,298 psi | 84% | 2513 fps | 99.6% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,687 psi | 45% | 1453 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 82% | 40,016 psi | 68% | 2382 fps | 95.1% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 41,292 psi | 70% | 2497 fps | 98.4% |
| ReloadSwiss RS 60 | 46.1 gr | 80% | 33,692 psi | 57% | 2375 fps | 99.3% |
| ReloadSwiss RS 62 | <<locked>> | 86% | 33,692 psi | 57% | 2352 fps | 95% |
| ReloadSwiss RS 70 | <<locked>> | 88% | 36,390 psi | 62% | 2411 fps | 95% |
| Rottweil R 901 | <<locked>> | 80% | 46,659 psi | 79% | 2454 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 40,843 psi | 70% | 2375 fps | 99.4% |
| Rottweil R 903 | <<locked>> | 80% | 34,171 psi | 58% | 2297 fps | 97.8% |
| Rottweil R 907 | <<locked>> | 90% | 45,005 psi | 77% | 2464 fps | 95.1% |
| Shooters World Long Rifle | <<locked>> | 86% | 38,392 psi | 65% | 2352 fps | 95.5% |
| Shooters World Match Rifle | <<locked>> | 80% | 42,743 psi | 73% | 2444 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 38,769 psi | 66% | 2359 fps | 99.2% |
| Shooters World SW4350 | <<locked>> | 90% | 41,205 psi | 70% | 2425 fps | 95.1% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 35,099 psi | 60% | 2343 fps | 97.2% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 43,743 psi | 74% | 2448 fps | 97.7% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 42,206 psi | 72% | 2434 fps | 98.9% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 44,092 psi | 75% | 2372 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 36,593 psi | 62% | 2254 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 90% | 42,917 psi | 73% | 2395 fps | 95.3% |
| Somchem S321 | <<locked>> | 80% | 49,385 psi | 84% | 2543 fps | 100% |
| Somchem S335 | <<locked>> | 80% | 43,801 psi | 75% | 2379 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 43,598 psi | 74% | 2448 fps | 99% |
| Somchem S355 | <<locked>> | 80% | 35,041 psi | 60% | 2303 fps | 97.8% |
| Somchem S365 | <<locked>> | 80% | 25,367 psi | 43% | 2142 fps | 95.1% |
| Vihtavuori N130 | <<locked>> | 80% | 49,748 psi | 85% | 2428 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 44,367 psi | 76% | 2365 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 39,987 psi | 68% | 2356 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 40,857 psi | 70% | 2369 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 33,344 psi | 57% | 2247 fps | 98.5% |
| Vihtavuori N160 | <<locked>> | 84% | 33,591 psi | 57% | 2293 fps | 95.2% |
| Vihtavuori N530 | <<locked>> | 80% | 45,716 psi | 78% | 2464 fps | 99.9% |
| Vihtavuori N540 | <<locked>> | 80% | 39,247 psi | 67% | 2359 fps | 100% |
| Vihtavuori N550 | <<locked>> | 86% | 35,375 psi | 60% | 2346 fps | 95.7% |
| Vihtavuori N555 | <<locked>> | 92% | 31,517 psi | 54% | 2329 fps | 95.4% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 29,573 psi | 50% | 2175 fps | 95.8% |
| Winchester 748 | <<locked>> | 80% | 45,339 psi | 77% | 2507 fps | 100% |
| Winchester 760 | <<locked>> | 90% | 41,887 psi | 71% | 2493 fps | 95.1% |
| Winchester StaBALL HD | <<locked>> | 96% | 29,602 psi | 50% | 2329 fps | 95.8% |
| Winchester StaBALL Match | <<locked>> | 80% | 41,481 psi | 71% | 2434 fps | 99.2% |
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 94 powders for .30-06 Spring. loaded with the .308 | 185gr | Berger Juggernaut Target. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 2,713 fps; across all powders the maximum-charge window runs from 1,588 fps to 2,713 fps. Alliant Reloder-16 gives the best case fill at 100 %, and 94 of the 94 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (405 MPa), the top charges use 57–90 %, leaving at least 10 % headroom. The 185.0 gr projectile in 0.308" calls for a 1:12.0 twist; slower twists will usually not stabilise this weight. Alliant Reloder-16, Alliant Reloder-23, Alliant Reloder-26 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 Power Pro 2000-MR, Alliant Reloder-17, ReloadSwiss RS 60 rank at the top here: for .30-06 Spring. with the .308 | 185gr | Berger Juggernaut Target 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.