Load Specifications
Load data in caliber .30-06 Spring. with .308 | 180gr | Norma PlastSpitz 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 Reloder-17, ReloadSwiss RS 60 and Hodgdon H414.
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% | 50,270 psi | 86% | 2510 fps | 100% |
| Accurate 2495 | <<locked>> | 88% | 51,822 psi | 88% | 2575 fps | 100% |
| Accurate 2520 | <<locked>> | 82% | 50,024 psi | 85% | 2585 fps | 100% |
| Accurate 2700 | <<locked>> | 88% | 51,256 psi | 87% | 2566 fps | 96.2% |
| Accurate 4064 | <<locked>> | 90% | 51,793 psi | 88% | 2618 fps | 100% |
| Accurate 4350 | <<locked>> | 98% | 51,111 psi | 87% | 2687 fps | 99.3% |
| ADI AR 2206H | <<locked>> | 86% | 52,663 psi | 90% | 2648 fps | 99.9% |
| ADI AR 2208 | <<locked>> | 90% | 50,314 psi | 86% | 2595 fps | 99.4% |
| ADI Benchmark 8208 | <<locked>> | 84% | 51,547 psi | 88% | 2598 fps | 100% |
| Alliant AR-Comp | <<locked>> | 84% | 52,127 psi | 89% | 2579 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 88% | 51,851 psi | 88% | 2749 fps | 99.6% |
| Alliant Reloder- TS 15.5 | <<locked>> | 90% | 50,198 psi | 85% | 2621 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 88% | 50,705 psi | 86% | 2638 fps | 99.6% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 52,605 psi | 90% | 2740 fps | 99.6% |
| Alliant Reloder-17 | <<locked>> | 94% | 50,241 psi | 86% | 2723 fps | 100% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 37,623 psi | 64% | 2490 fps | 98.3% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 41,785 psi | 71% | 2635 fps | 97.4% |
| Baschieri & Pellagri 107 | <<locked>> | 86% | 52,069 psi | 89% | 2657 fps | 99.4% |
| Bofors RP3 | <<locked>> | 90% | 50,531 psi | 86% | 2635 fps | 100% |
| Bofors RP7 | <<locked>> | 94% | 50,966 psi | 87% | 2602 fps | 96.4% |
| Hodgdon Benchmark | <<locked>> | 82% | 50,299 psi | 86% | 2539 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 84% | 50,633 psi | 86% | 2628 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 82% | 52,489 psi | 89% | 2717 fps | 99.7% |
| Hodgdon H380 | <<locked>> | 90% | 51,430 psi | 88% | 2641 fps | 98.9% |
| Hodgdon H414 | <<locked>> | 96% | 50,763 psi | 86% | 2684 fps | 97.1% |
| Hodgdon H4350 | <<locked>> | 94% | 51,677 psi | 88% | 2648 fps | 95.8% |
| Hodgdon H4895 | <<locked>> | 86% | 53,156 psi | 90% | 2657 fps | 100% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 48,965 psi | 83% | 2625 fps | 99.8% |
| Hodgdon LEVERevolution | <<locked>> | 88% | 52,243 psi | 89% | 2684 fps | 100% |
| Hodgdon Superformance | <<locked>> | 96% | 51,213 psi | 87% | 2710 fps | 96.7% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,418 psi | 60% | 1617 fps | 100% |
| Hodgdon VARGET | <<locked>> | 86% | 50,966 psi | 87% | 2608 fps | 99.9% |
| IMR 3031 | <<locked>> | 86% | 52,721 psi | 90% | 2638 fps | 100% |
| IMR 4064 | <<locked>> | 90% | 52,953 psi | 90% | 2628 fps | 99.7% |
| IMR 4166 Enduron | <<locked>> | 86% | 49,864 psi | 85% | 2556 fps | 96.7% |
| IMR 4350 | <<locked>> | 98% | 50,908 psi | 87% | 2621 fps | 96.4% |
| IMR 4451 Enduron | <<locked>> | 94% | 52,692 psi | 90% | 2628 fps | 97.2% |
| IMR 4831ᴾ | <<locked>> | 100% | 51,648 psi | 88% | 2677 fps | 99.4% |
| IMR 4895 | <<locked>> | 88% | 51,982 psi | 88% | 2667 fps | 99.9% |
| IMR 8208 XBR | <<locked>> | 84% | 51,547 psi | 88% | 2598 fps | 100% |
| Lovex D073.6 | <<locked>> | 86% | 51,938 psi | 88% | 2621 fps | 100% |
| Lovex S060 | <<locked>> | 86% | 52,489 psi | 89% | 2582 fps | 99.8% |
| Lovex S062 | <<locked>> | 90% | 52,736 psi | 90% | 2625 fps | 100% |
| Lovex S065 | <<locked>> | 96% | 52,025 psi | 89% | 2625 fps | 98.4% |
| Lovex S070 | <<locked>> | 98% | 52,750 psi | 90% | 2654 fps | 97.6% |
| Norma 201 | <<locked>> | 86% | 51,358 psi | 87% | 2595 fps | 100% |
| Norma 202 | <<locked>> | 86% | 51,938 psi | 88% | 2598 fps | 100% |
| Norma 203B | <<locked>> | 90% | 53,113 psi | 90% | 2674 fps | 99.9% |
| Norma URP | <<locked>> | 98% | 50,488 psi | 86% | 2677 fps | 99.1% |
| Ramshot Big Game | <<locked>> | 88% | 50,009 psi | 85% | 2644 fps | 99.7% |
| Ramshot Hunterᴾ | <<locked>> | 100% | 52,649 psi | 90% | 2720 fps | 98.2% |
| Ramshot TAC | <<locked>> | 84% | 51,779 psi | 88% | 2612 fps | 98.5% |
| Ramshot Wild Boar | <<locked>> | 84% | 51,416 psi | 88% | 2635 fps | 99.8% |
| Ramshot X-Terminator | <<locked>> | 82% | 52,431 psi | 89% | 2598 fps | 99.8% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,723 psi | 61% | 1654 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 90% | 51,764 psi | 88% | 2621 fps | 97.7% |
| ReloadSwiss RS 52 | <<locked>> | 86% | 50,546 psi | 86% | 2694 fps | 99.5% |
| ReloadSwiss RS 60 | <<locked>> | 92% | 50,009 psi | 85% | 2726 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 98% | 50,633 psi | 86% | 2707 fps | 99.1% |
| ReloadSwiss RS 70 | <<locked>> | 98% | 50,836 psi | 87% | 2730 fps | 98.8% |
| Rottweil R 901 | <<locked>> | 84% | 52,562 psi | 89% | 2582 fps | 100% |
| Rottweil R 902 | <<locked>> | 88% | 51,837 psi | 88% | 2595 fps | 100% |
| Rottweil R 903 | <<locked>> | 92% | 50,415 psi | 86% | 2625 fps | 99.9% |
| Rottweil R 907 | <<locked>> | 94% | 50,966 psi | 87% | 2602 fps | 96.4% |
| Shooters World Long Rifle | <<locked>> | 96% | 52,025 psi | 89% | 2625 fps | 98.4% |
| Shooters World Match Rifle | <<locked>> | 86% | 51,938 psi | 88% | 2621 fps | 100% |
| Shooters World Precision | <<locked>> | 90% | 52,736 psi | 90% | 2625 fps | 100% |
| Shooters World SW4350 | <<locked>> | 98% | 52,750 psi | 90% | 2654 fps | 97.6% |
| SNPE Vectan SP 11 | <<locked>> | 92% | 51,851 psi | 88% | 2677 fps | 99.8% |
| SNPE Vectan SP 7 | <<locked>> | 84% | 50,198 psi | 85% | 2592 fps | 98.7% |
| SNPE Vectan SP 9 | <<locked>> | 86% | 50,894 psi | 87% | 2618 fps | 99.8% |
| SNPE Vectan Tubal 3000 | <<locked>> | 86% | 52,895 psi | 90% | 2539 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 92% | 52,953 psi | 90% | 2539 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 96% | 52,286 psi | 89% | 2579 fps | 97.2% |
| Somchem S321 | <<locked>> | 82% | 52,591 psi | 90% | 2631 fps | 100% |
| Somchem S335 | <<locked>> | 86% | 52,344 psi | 89% | 2539 fps | 100% |
| Somchem S341 | <<locked>> | 86% | 53,113 psi | 90% | 2635 fps | 99.8% |
| Somchem S355 | <<locked>> | 92% | 50,792 psi | 86% | 2621 fps | 99.9% |
| Somchem S365ᴾ | <<locked>> | 100% | 48,196 psi | 82% | 2680 fps | 100% |
| Vihtavuori N130 | <<locked>> | 82% | 52,765 psi | 90% | 2507 fps | 100% |
| Vihtavuori N133 | <<locked>> | 86% | 53,098 psi | 90% | 2526 fps | 100% |
| Vihtavuori N135 | <<locked>> | 88% | 51,430 psi | 88% | 2566 fps | 100% |
| Vihtavuori N140 | <<locked>> | 88% | 52,199 psi | 89% | 2575 fps | 100% |
| Vihtavuori N150 | <<locked>> | 94% | 52,156 psi | 89% | 2605 fps | 100% |
| Vihtavuori N160 | <<locked>> | 98% | 52,997 psi | 90% | 2674 fps | 99.3% |
| Vihtavuori N530 | <<locked>> | 84% | 52,141 psi | 89% | 2602 fps | 100% |
| Vihtavuori N540 | <<locked>> | 88% | 50,662 psi | 86% | 2579 fps | 100% |
| Vihtavuori N550 | <<locked>> | 98% | 52,054 psi | 89% | 2680 fps | 99.1% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 40,741 psi | 69% | 2562 fps | 98.2% |
| Winchester 6.5 StaBALL | <<locked>> | 96% | 50,082 psi | 85% | 2608 fps | 99.9% |
| Winchester 748 | <<locked>> | 84% | 51,561 psi | 88% | 2641 fps | 100% |
| Winchester 760 | <<locked>> | 96% | 50,763 psi | 86% | 2684 fps | 97.1% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 33,533 psi | 57% | 2480 fps | 97.8% |
| Winchester StaBALL Match | <<locked>> | 86% | 50,691 psi | 86% | 2625 fps | 99.9% |
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% | 47,427 psi | 81% | 2470 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 39,885 psi | 68% | 2398 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 46,702 psi | 80% | 2536 fps | 100% |
| Accurate 2700 | <<locked>> | 86% | 48,225 psi | 82% | 2516 fps | 95.4% |
| Accurate 4064 | <<locked>> | 80% | 37,710 psi | 64% | 2392 fps | 100% |
| Accurate 4350 | <<locked>> | 86% | 33,852 psi | 58% | 2372 fps | 95.4% |
| ADI AR 2206H | <<locked>> | 80% | 43,540 psi | 74% | 2500 fps | 99% |
| ADI AR 2208 | <<locked>> | 80% | 37,086 psi | 63% | 2359 fps | 97% |
| ADI Benchmark 8208 | <<locked>> | 80% | 45,585 psi | 78% | 2507 fps | 99.8% |
| Alliant AR-Comp | <<locked>> | 80% | 45,585 psi | 78% | 2493 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 39,407 psi | 67% | 2520 fps | 97.5% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 36,622 psi | 62% | 2379 fps | 98.4% |
| Alliant Reloder-15 | <<locked>> | 80% | 39,276 psi | 67% | 2438 fps | 97.8% |
| Alliant Reloder-16 | <<locked>> | 86% | 34,287 psi | 58% | 2382 fps | 95.4% |
| Alliant Reloder-17 | 47 gr | 80% | 31,546 psi | 54% | 2343 fps | 96.2% |
| Alliant Reloder-23 | <<locked>> | 92% | 29,486 psi | 50% | 2290 fps | 95% |
| Alliant Reloder-26 | <<locked>> | 96% | 36,361 psi | 62% | 2513 fps | 95.4% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 42,627 psi | 73% | 2500 fps | 98% |
| Bofors RP3 | <<locked>> | 80% | 36,143 psi | 62% | 2382 fps | 98.4% |
| Bofors RP7 | <<locked>> | 92% | 47,892 psi | 82% | 2549 fps | 95.7% |
| Hodgdon Benchmark | <<locked>> | 80% | 47,311 psi | 81% | 2497 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 80% | 44,237 psi | 75% | 2523 fps | 99.9% |
| Hodgdon CFE223 | <<locked>> | 80% | 48,675 psi | 83% | 2657 fps | 99.4% |
| Hodgdon H380 | <<locked>> | 80% | 37,057 psi | 63% | 2382 fps | 95.8% |
| Hodgdon H414 | 52.9 gr | 92% | 44,498 psi | 76% | 2579 fps | 95.6% |
| Hodgdon H4350 | <<locked>> | 92% | 48,559 psi | 83% | 2598 fps | 95.1% |
| Hodgdon H4895 | <<locked>> | 80% | 43,903 psi | 75% | 2510 fps | 99.4% |
| Hodgdon Hybrid 100V | <<locked>> | 84% | 29,486 psi | 50% | 2238 fps | 95.4% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 39,798 psi | 68% | 2480 fps | 99.1% |
| Hodgdon Superformance | <<locked>> | 94% | 47,819 psi | 81% | 2654 fps | 95.8% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,324 psi | 45% | 1444 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 42,264 psi | 72% | 2467 fps | 99.1% |
| IMR 3031 | <<locked>> | 80% | 43,482 psi | 74% | 2507 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 38,885 psi | 66% | 2388 fps | 97.7% |
| IMR 4166 Enduron | <<locked>> | 82% | 44,121 psi | 75% | 2457 fps | 95.3% |
| IMR 4350 | <<locked>> | 94% | 45,063 psi | 77% | 2523 fps | 95% |
| IMR 4451 Enduron | <<locked>> | 88% | 43,947 psi | 75% | 2484 fps | 95.2% |
| IMR 4831 | <<locked>> | 86% | 32,880 psi | 56% | 2333 fps | 95% |
| IMR 4895 | <<locked>> | 80% | 40,219 psi | 68% | 2464 fps | 98.5% |
| IMR 8208 XBR | <<locked>> | 80% | 45,585 psi | 78% | 2507 fps | 99.8% |
| Lovex D073.6 | <<locked>> | 80% | 42,612 psi | 73% | 2480 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 43,729 psi | 74% | 2441 fps | 99% |
| Lovex S062 | <<locked>> | 80% | 38,783 psi | 66% | 2395 fps | 99.1% |
| Lovex S065 | <<locked>> | 86% | 38,305 psi | 65% | 2385 fps | 95.2% |
| Lovex S070 | <<locked>> | 92% | 43,830 psi | 75% | 2510 fps | 95.6% |
| Norma 201 | <<locked>> | 80% | 42,598 psi | 73% | 2454 fps | 99.6% |
| Norma 202 | <<locked>> | 80% | 42,975 psi | 73% | 2464 fps | 100% |
| Norma 203B | <<locked>> | 80% | 38,638 psi | 66% | 2425 fps | 98.1% |
| Norma URP | <<locked>> | 86% | 34,171 psi | 58% | 2372 fps | 95.3% |
| Ramshot Big Game | <<locked>> | 80% | 38,043 psi | 65% | 2434 fps | 97.8% |
| Ramshot Hunter | <<locked>> | 92% | 40,640 psi | 69% | 2510 fps | 95.4% |
| Ramshot TAC | <<locked>> | 80% | 45,440 psi | 77% | 2510 fps | 97.3% |
| Ramshot Wild Boar | <<locked>> | 80% | 44,991 psi | 77% | 2530 fps | 99.2% |
| Ramshot X-Terminator | <<locked>> | 80% | 49,153 psi | 84% | 2549 fps | 99.5% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,672 psi | 45% | 1480 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 84% | 42,598 psi | 73% | 2467 fps | 95.7% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 41,162 psi | 70% | 2533 fps | 98.2% |
| ReloadSwiss RS 60 | 47 gr | 80% | 33,562 psi | 57% | 2408 fps | 99.2% |
| ReloadSwiss RS 62 | <<locked>> | 88% | 35,839 psi | 61% | 2438 fps | 95.7% |
| ReloadSwiss RS 70 | <<locked>> | 90% | 38,769 psi | 66% | 2500 fps | 95.7% |
| Rottweil R 901 | <<locked>> | 80% | 46,731 psi | 80% | 2493 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 40,640 psi | 69% | 2411 fps | 99.3% |
| Rottweil R 903 | <<locked>> | 80% | 33,982 psi | 58% | 2329 fps | 97.5% |
| Rottweil R 907 | <<locked>> | 92% | 47,892 psi | 82% | 2549 fps | 95.7% |
| Shooters World Long Rifle | <<locked>> | 86% | 38,305 psi | 65% | 2385 fps | 95.2% |
| Shooters World Match Rifle | <<locked>> | 80% | 42,612 psi | 73% | 2480 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 38,783 psi | 66% | 2395 fps | 99.1% |
| Shooters World SW4350 | <<locked>> | 92% | 43,830 psi | 75% | 2510 fps | 95.6% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 35,012 psi | 60% | 2375 fps | 97% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 43,816 psi | 75% | 2487 fps | 97.5% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 42,119 psi | 72% | 2470 fps | 98.7% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 44,150 psi | 75% | 2411 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 36,651 psi | 62% | 2290 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 90% | 42,859 psi | 73% | 2428 fps | 95% |
| Somchem S321 | <<locked>> | 80% | 49,168 psi | 84% | 2579 fps | 100% |
| Somchem S335 | <<locked>> | 80% | 43,598 psi | 74% | 2411 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 43,395 psi | 74% | 2484 fps | 98.9% |
| Somchem S355 | <<locked>> | 80% | 34,838 psi | 59% | 2336 fps | 97.5% |
| Somchem S365 | <<locked>> | 82% | 26,992 psi | 46% | 2224 fps | 95.8% |
| Vihtavuori N130 | <<locked>> | 80% | 49,864 psi | 85% | 2467 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 44,440 psi | 76% | 2408 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 40,045 psi | 68% | 2395 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 40,611 psi | 69% | 2402 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 33,127 psi | 56% | 2277 fps | 98.3% |
| Vihtavuori N160 | <<locked>> | 86% | 35,882 psi | 61% | 2379 fps | 95.8% |
| Vihtavuori N530 | <<locked>> | 80% | 45,701 psi | 78% | 2503 fps | 99.8% |
| Vihtavuori N540 | <<locked>> | 80% | 39,146 psi | 67% | 2392 fps | 100% |
| Vihtavuori N550 | <<locked>> | 86% | 35,172 psi | 60% | 2375 fps | 95.4% |
| Vihtavuori N555 | <<locked>> | 92% | 31,444 psi | 54% | 2359 fps | 95.1% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 29,443 psi | 50% | 2201 fps | 95.4% |
| Winchester 748 | <<locked>> | 80% | 45,179 psi | 77% | 2546 fps | 100% |
| Winchester 760 | <<locked>> | 92% | 44,498 psi | 76% | 2579 fps | 95.6% |
| Winchester StaBALL HD | <<locked>> | 96% | 29,559 psi | 50% | 2356 fps | 95.4% |
| Winchester StaBALL Match | <<locked>> | 80% | 41,321 psi | 70% | 2470 fps | 99% |
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 | 180gr | Norma PlastSpitz. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 2,749 fps; across all powders the maximum-charge window runs from 1,617 fps to 2,749 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 180.0 gr projectile in 0.308" calls for a 1:14.0 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 Reloder-17, ReloadSwiss RS 60, Hodgdon H414 rank at the top here: for .30-06 Spring. with the .308 | 180gr | Norma PlastSpitz 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.