Load Specifications
Load data in caliber .30 R Blaser with .308 | 167gr | Peregrine VLR-4 bullet and 94 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 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.
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You can find more information in our FAQ: How can I use the Personalized Load Calculator?
Max Load - Barrel Length: 23.62"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 82% | 50,270 psi | 86% | 2615 fps | 100% |
| Accurate 2495 | <<locked>> | 88% | 51,576 psi | 88% | 2674 fps | 100% |
| Accurate 2520 | <<locked>> | 84% | 52,083 psi | 89% | 2726 fps | 100% |
| Accurate 2700 | <<locked>> | 92% | 52,649 psi | 90% | 2674 fps | 96.3% |
| Accurate 4064 | <<locked>> | 90% | 51,750 psi | 88% | 2720 fps | 100% |
| Accurate 4350 | <<locked>> | 98% | 51,880 psi | 88% | 2795 fps | 99.3% |
| ADI AR 2206H | <<locked>> | 86% | 52,895 psi | 90% | 2753 fps | 99.8% |
| ADI AR 2208 | <<locked>> | 90% | 50,720 psi | 86% | 2703 fps | 99.4% |
| ADI Benchmark 8208 | <<locked>> | 84% | 52,040 psi | 89% | 2710 fps | 100% |
| Alliant AR-Comp | <<locked>> | 84% | 52,431 psi | 89% | 2687 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 88% | 52,576 psi | 90% | 2861 fps | 99.6% |
| Alliant Reloder- TS 15.5 | <<locked>> | 90% | 50,459 psi | 86% | 2723 fps | 99.9% |
| Alliant Reloder-15 | <<locked>> | 88% | 51,024 psi | 87% | 2743 fps | 99.5% |
| Alliant Reloder-16 | <<locked>> | 98% | 50,154 psi | 85% | 2799 fps | 99.3% |
| Alliant Reloder-17 | <<locked>> | 94% | 50,995 psi | 87% | 2831 fps | 100% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 38,000 psi | 65% | 2585 fps | 98.2% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 42,351 psi | 72% | 2733 fps | 97.4% |
| Baschieri & Pellagri 107 | <<locked>> | 86% | 52,852 psi | 90% | 2766 fps | 99.4% |
| Bofors RP3 | <<locked>> | 90% | 50,691 psi | 86% | 2733 fps | 100% |
| Bofors RP7 | <<locked>> | 94% | 51,285 psi | 87% | 2703 fps | 96.3% |
| Hodgdon Benchmark | <<locked>> | 82% | 50,473 psi | 86% | 2644 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 84% | 51,068 psi | 87% | 2733 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 82% | 52,866 psi | 90% | 2825 fps | 99.7% |
| Hodgdon H322 | <<locked>> | 82% | 51,837 psi | 88% | 2694 fps | 100% |
| Hodgdon H380 | <<locked>> | 90% | 51,866 psi | 88% | 2746 fps | 98.9% |
| Hodgdon H414 | <<locked>> | 94% | 52,968 psi | 90% | 2812 fps | 97.4% |
| Hodgdon H4895 | <<locked>> | 84% | 50,140 psi | 85% | 2713 fps | 99.8% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 49,632 psi | 84% | 2730 fps | 99.8% |
| Hodgdon LEVERevolution | <<locked>> | 90% | 52,837 psi | 90% | 2792 fps | 100% |
| Hodgdon Superformance | <<locked>> | 96% | 52,243 psi | 89% | 2822 fps | 96.8% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,172 psi | 60% | 1703 fps | 100% |
| Hodgdon VARGET | <<locked>> | 88% | 50,517 psi | 86% | 2703 fps | 99.8% |
| IMR 3031 | <<locked>> | 88% | 51,648 psi | 88% | 2726 fps | 100% |
| IMR 4064 | <<locked>> | 92% | 52,562 psi | 89% | 2723 fps | 99.6% |
| IMR 4166 Enduron | <<locked>> | 92% | 52,373 psi | 89% | 2697 fps | 97.1% |
| IMR 4350 | <<locked>> | 98% | 51,459 psi | 88% | 2726 fps | 96.4% |
| IMR 4451 Enduron | <<locked>> | 92% | 50,154 psi | 85% | 2687 fps | 96.6% |
| IMR 4831ᴾ | <<locked>> | 100% | 46,557 psi | 79% | 2690 fps | 98.6% |
| IMR 4895 | <<locked>> | 88% | 52,344 psi | 89% | 2772 fps | 99.8% |
| IMR 8208 XBR | <<locked>> | 84% | 52,040 psi | 89% | 2710 fps | 100% |
| Lovex D073.6 | <<locked>> | 86% | 52,402 psi | 89% | 2730 fps | 100% |
| Lovex S060 | <<locked>> | 86% | 52,736 psi | 90% | 2687 fps | 99.8% |
| Lovex S062 | <<locked>> | 90% | 53,026 psi | 90% | 2733 fps | 100% |
| Lovex S065 | <<locked>> | 96% | 52,460 psi | 89% | 2730 fps | 98.3% |
| Lovex S070 | <<locked>> | 96% | 49,908 psi | 85% | 2707 fps | 96.9% |
| Norma 201 | <<locked>> | 86% | 51,619 psi | 88% | 2700 fps | 100% |
| Norma 202 | <<locked>> | 86% | 52,011 psi | 89% | 2703 fps | 100% |
| Norma 203B | <<locked>> | 88% | 50,227 psi | 86% | 2730 fps | 99.7% |
| Norma URP | <<locked>> | 98% | 51,140 psi | 87% | 2782 fps | 99.1% |
| Ramshot Big Game | <<locked>> | 88% | 50,734 psi | 86% | 2753 fps | 99.7% |
| Ramshot Hunter | <<locked>> | 98% | 50,140 psi | 85% | 2776 fps | 97.7% |
| Ramshot TAC | <<locked>> | 84% | 52,315 psi | 89% | 2720 fps | 98.5% |
| Ramshot Wild Boar | <<locked>> | 84% | 51,851 psi | 88% | 2740 fps | 99.8% |
| Ramshot X-Terminator | <<locked>> | 82% | 52,750 psi | 90% | 2707 fps | 99.8% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,578 psi | 61% | 1742 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 90% | 52,301 psi | 89% | 2730 fps | 97.7% |
| ReloadSwiss RS 52 | <<locked>> | 86% | 51,198 psi | 87% | 2802 fps | 99.5% |
| ReloadSwiss RS 60 | <<locked>> | 92% | 50,734 psi | 86% | 2835 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 98% | 51,605 psi | 88% | 2812 fps | 99.1% |
| ReloadSwiss RS 70 | <<locked>> | 98% | 51,532 psi | 88% | 2838 fps | 98.9% |
| Rottweil R 901 | <<locked>> | 84% | 52,214 psi | 89% | 2684 fps | 100% |
| Rottweil R 902 | <<locked>> | 88% | 52,040 psi | 89% | 2700 fps | 100% |
| Rottweil R 903 | <<locked>> | 92% | 50,560 psi | 86% | 2726 fps | 99.9% |
| Rottweil R 907 | <<locked>> | 94% | 51,285 psi | 87% | 2703 fps | 96.3% |
| Shooters World Long Rifle | <<locked>> | 96% | 52,460 psi | 89% | 2730 fps | 98.3% |
| Shooters World Match Rifle | <<locked>> | 86% | 52,402 psi | 89% | 2730 fps | 100% |
| Shooters World Precision | <<locked>> | 90% | 53,026 psi | 90% | 2733 fps | 100% |
| Shooters World SW4350 | <<locked>> | 96% | 49,908 psi | 85% | 2707 fps | 96.9% |
| SNPE Vectan SP 11 | <<locked>> | 92% | 52,431 psi | 89% | 2785 fps | 99.8% |
| SNPE Vectan SP 7 | <<locked>> | 84% | 50,473 psi | 86% | 2694 fps | 98.6% |
| SNPE Vectan SP 9 | <<locked>> | 86% | 51,401 psi | 88% | 2723 fps | 99.7% |
| SNPE Vectan Tubal 3000 | <<locked>> | 84% | 49,937 psi | 85% | 2602 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 90% | 50,067 psi | 85% | 2602 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 96% | 52,808 psi | 90% | 2684 fps | 97.2% |
| Somchem S321 | <<locked>> | 82% | 52,866 psi | 90% | 2733 fps | 100% |
| Somchem S335 | <<locked>> | 86% | 52,649 psi | 90% | 2644 fps | 100% |
| Somchem S341 | <<locked>> | 84% | 50,024 psi | 85% | 2687 fps | 99.6% |
| Somchem S355 | <<locked>> | 92% | 51,097 psi | 87% | 2726 fps | 99.9% |
| Somchem S365ᴾ | <<locked>> | 100% | 48,878 psi | 83% | 2782 fps | 100% |
| Unknown powder | <<locked>> | 96% | 52,199 psi | 89% | 2789 fps | 98.8% |
| Vihtavuori N130 | <<locked>> | 82% | 51,822 psi | 88% | 2602 fps | 100% |
| Vihtavuori N133 | <<locked>> | 88% | 52,953 psi | 90% | 2631 fps | 100% |
| Vihtavuori N135 | <<locked>> | 88% | 51,692 psi | 88% | 2671 fps | 100% |
| Vihtavuori N140 | <<locked>> | 88% | 52,011 psi | 89% | 2677 fps | 100% |
| Vihtavuori N150 | <<locked>> | 98% | 52,460 psi | 89% | 2710 fps | 100% |
| Vihtavuori N160 | <<locked>> | 96% | 52,750 psi | 90% | 2762 fps | 99.2% |
| Vihtavuori N530 | <<locked>> | 82% | 51,401 psi | 88% | 2710 fps | 100% |
| Vihtavuori N540 | <<locked>> | 88% | 51,663 psi | 88% | 2700 fps | 100% |
| Vihtavuori N550 | <<locked>> | 96% | 53,055 psi | 90% | 2808 fps | 99.2% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 41,292 psi | 70% | 2657 fps | 98.1% |
| Winchester 6.5 StaBALL | <<locked>> | 96% | 50,778 psi | 86% | 2713 fps | 100% |
| Winchester 748 | <<locked>> | 82% | 52,591 psi | 90% | 2756 fps | 100% |
| Winchester 760 | <<locked>> | 94% | 52,968 psi | 90% | 2812 fps | 97.4% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 33,678 psi | 57% | 2566 fps | 97.7% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 23.62"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 80% | 47,065 psi | 80% | 2569 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 39,436 psi | 67% | 2487 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 45,382 psi | 77% | 2625 fps | 100% |
| Accurate 2700 | <<locked>> | 90% | 49,414 psi | 84% | 2621 fps | 95.6% |
| Accurate 4064 | <<locked>> | 80% | 37,304 psi | 64% | 2477 fps | 99.9% |
| Accurate 4350 | <<locked>> | 88% | 36,143 psi | 62% | 2510 fps | 95.9% |
| ADI AR 2206H | <<locked>> | 80% | 43,656 psi | 74% | 2598 fps | 98.9% |
| ADI AR 2208 | <<locked>> | 80% | 36,941 psi | 63% | 2448 fps | 96.7% |
| ADI Benchmark 8208 | <<locked>> | 80% | 45,818 psi | 78% | 2612 fps | 99.7% |
| Alliant AR-Comp | <<locked>> | 80% | 45,905 psi | 78% | 2598 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 39,552 psi | 67% | 2618 fps | 97.3% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 36,535 psi | 62% | 2470 fps | 98.1% |
| Alliant Reloder-15 | <<locked>> | 80% | 39,349 psi | 67% | 2533 fps | 97.6% |
| Alliant Reloder-16 | <<locked>> | 86% | 34,229 psi | 58% | 2470 fps | 95.1% |
| Alliant Reloder-17 | 50.8 gr | 80% | 31,401 psi | 53% | 2425 fps | 95.8% |
| Alliant Reloder-23 | <<locked>> | 94% | 31,299 psi | 53% | 2421 fps | 95.6% |
| Alliant Reloder-26 | <<locked>> | 96% | 36,651 psi | 62% | 2605 fps | 95.3% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 42,772 psi | 73% | 2595 fps | 97.9% |
| Bofors RP3 | <<locked>> | 80% | 35,940 psi | 61% | 2467 fps | 98.1% |
| Bofors RP7 | <<locked>> | 92% | 48,095 psi | 82% | 2651 fps | 95.6% |
| Hodgdon Benchmark | <<locked>> | 80% | 47,427 psi | 81% | 2598 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 80% | 44,396 psi | 76% | 2625 fps | 99.8% |
| Hodgdon CFE223 | <<locked>> | 80% | 49,182 psi | 84% | 2766 fps | 99.3% |
| Hodgdon H322 | <<locked>> | 80% | 48,472 psi | 83% | 2644 fps | 100% |
| Hodgdon H380 | <<locked>> | 80% | 36,912 psi | 63% | 2470 fps | 95.5% |
| Hodgdon H414 | <<locked>> | 88% | 43,018 psi | 73% | 2641 fps | 95% |
| Hodgdon H4895 | <<locked>> | 80% | 44,048 psi | 75% | 2608 fps | 99.3% |
| Hodgdon Hybrid 100V | <<locked>> | 86% | 31,328 psi | 53% | 2372 fps | 95.9% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 37,550 psi | 64% | 2526 fps | 98.5% |
| Hodgdon Superformance | <<locked>> | 94% | 48,356 psi | 82% | 2756 fps | 95.8% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,049 psi | 44% | 1522 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 39,160 psi | 67% | 2500 fps | 98.4% |
| IMR 3031 | <<locked>> | 80% | 39,842 psi | 68% | 2539 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 36,260 psi | 62% | 2428 fps | 96.7% |
| IMR 4166 Enduron | <<locked>> | 86% | 43,584 psi | 74% | 2546 fps | 95% |
| IMR 4350 | <<locked>> | 96% | 48,283 psi | 82% | 2674 fps | 95.7% |
| IMR 4451 Enduron | <<locked>> | 88% | 44,251 psi | 75% | 2585 fps | 95.1% |
| IMR 4831 | <<locked>> | 90% | 33,591 psi | 57% | 2434 fps | 95% |
| IMR 4895 | <<locked>> | 80% | 40,292 psi | 69% | 2562 fps | 98.3% |
| IMR 8208 XBR | <<locked>> | 80% | 45,818 psi | 78% | 2612 fps | 99.7% |
| Lovex D073.6 | <<locked>> | 80% | 42,424 psi | 72% | 2575 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 43,656 psi | 74% | 2539 fps | 98.9% |
| Lovex S062 | <<locked>> | 80% | 38,522 psi | 66% | 2484 fps | 98.9% |
| Lovex S065 | <<locked>> | 88% | 40,669 psi | 69% | 2523 fps | 95.7% |
| Lovex S070 | <<locked>> | 92% | 43,874 psi | 75% | 2602 fps | 95.4% |
| Norma 201 | <<locked>> | 80% | 42,482 psi | 72% | 2549 fps | 99.5% |
| Norma 202 | <<locked>> | 80% | 42,989 psi | 73% | 2562 fps | 100% |
| Norma 203B | <<locked>> | 80% | 38,711 psi | 66% | 2523 fps | 97.9% |
| Norma URP | <<locked>> | 88% | 36,579 psi | 62% | 2516 fps | 95.9% |
| Ramshot Big Game | <<locked>> | 80% | 38,203 psi | 65% | 2530 fps | 97.6% |
| Ramshot Hunter | <<locked>> | 92% | 40,930 psi | 70% | 2608 fps | 95.3% |
| Ramshot TAC | <<locked>> | 80% | 45,571 psi | 78% | 2608 fps | 97.2% |
| Ramshot Wild Boar | <<locked>> | 80% | 45,179 psi | 77% | 2631 fps | 99.1% |
| Ramshot X-Terminator | <<locked>> | 80% | 49,356 psi | 84% | 2651 fps | 99.5% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,295 psi | 45% | 1558 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 84% | 42,815 psi | 73% | 2566 fps | 95.5% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 41,205 psi | 70% | 2628 fps | 98% |
| ReloadSwiss RS 60 | 50.8 gr | 80% | 33,475 psi | 57% | 2493 fps | 99% |
| ReloadSwiss RS 62 | <<locked>> | 88% | 36,013 psi | 61% | 2526 fps | 95.4% |
| ReloadSwiss RS 70 | 58.1 gr | 90% | 39,102 psi | 67% | 2598 fps | 95.6% |
| Rottweil R 901 | <<locked>> | 80% | 46,180 psi | 79% | 2592 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 40,379 psi | 69% | 2503 fps | 99.2% |
| Rottweil R 903 | <<locked>> | 80% | 33,663 psi | 57% | 2411 fps | 97.2% |
| Rottweil R 907 | <<locked>> | 92% | 48,095 psi | 82% | 2651 fps | 95.6% |
| Shooters World Long Rifle | <<locked>> | 88% | 40,669 psi | 69% | 2523 fps | 95.7% |
| Shooters World Match Rifle | <<locked>> | 80% | 42,424 psi | 72% | 2575 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 38,522 psi | 66% | 2484 fps | 98.9% |
| Shooters World SW4350 | <<locked>> | 92% | 43,874 psi | 75% | 2602 fps | 95.4% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 34,853 psi | 59% | 2461 fps | 96.6% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 43,845 psi | 75% | 2582 fps | 97.3% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 42,032 psi | 72% | 2562 fps | 98.6% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 43,961 psi | 75% | 2510 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 36,477 psi | 62% | 2379 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 92% | 45,977 psi | 78% | 2575 fps | 95.7% |
| Somchem S321 | <<locked>> | 80% | 49,356 psi | 84% | 2680 fps | 100% |
| Somchem S335 | <<locked>> | 80% | 43,569 psi | 74% | 2510 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 43,526 psi | 74% | 2579 fps | 98.8% |
| Somchem S355 | <<locked>> | 80% | 34,693 psi | 59% | 2421 fps | 97.2% |
| Somchem S365 | <<locked>> | 82% | 26,687 psi | 45% | 2300 fps | 95.2% |
| Unknown powder | <<locked>> | 86% | 37,420 psi | 64% | 2520 fps | 95.4% |
| Vihtavuori N130 | <<locked>> | 80% | 48,863 psi | 83% | 2559 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 41,379 psi | 70% | 2461 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 39,813 psi | 68% | 2490 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 40,059 psi | 68% | 2490 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 29,472 psi | 50% | 2280 fps | 96.9% |
| Vihtavuori N160 | <<locked>> | 84% | 34,954 psi | 60% | 2441 fps | 95.1% |
| Vihtavuori N530 | <<locked>> | 80% | 48,095 psi | 82% | 2657 fps | 99.9% |
| Vihtavuori N540 | <<locked>> | 80% | 39,755 psi | 68% | 2507 fps | 100% |
| Vihtavuori N550 | <<locked>> | 84% | 35,418 psi | 60% | 2484 fps | 95.2% |
| Vihtavuori N555 | <<locked>> | 94% | 33,576 psi | 57% | 2497 fps | 95.7% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 29,298 psi | 50% | 2280 fps | 95.1% |
| Winchester 748 | <<locked>> | 80% | 49,023 psi | 83% | 2703 fps | 100% |
| Winchester 760 | <<locked>> | 88% | 43,018 psi | 73% | 2641 fps | 95% |
| Winchester StaBALL HD | <<locked>> | 96% | 29,486 psi | 50% | 2434 fps | 95% |
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 112 powders for .30 R Blaser loaded with the .308 | 167gr | Peregrine VLR-4. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 2,861 fps; across all powders the maximum-charge window runs from 1,703 fps to 2,861 fps. Accurate 3100 gives the best case fill at 100 %, and 112 of the 112 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (405 MPa), the top charges use 55–90 %, leaving at least 10 % headroom. The 167.0 gr projectile in 0.308" calls for a 1:11.0 twist; slower twists will usually not stabilise this weight. Accurate 3100, ADI AR 2209, Alliant Reloder-19 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, ReloadSwiss RS 70 rank at the top here: for .30 R Blaser with the .308 | 167gr | Peregrine VLR-4 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.