Load Specifications
Load data in caliber 7 mm-08 Rem. with .284 | 160gr | Winchester Silvertip 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, Hodgdon Superformance and Alliant Reloder-17.
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% | 54,056 psi | 90% | 2520 fps | 100% |
| Accurate 2495 | <<locked>> | 88% | 52,069 psi | 87% | 2536 fps | 100% |
| Accurate 2520 | <<locked>> | 84% | 54,012 psi | 90% | 2602 fps | 100% |
| Accurate 2700 | <<locked>> | 88% | 51,605 psi | 86% | 2536 fps | 96.6% |
| Accurate 4064 | <<locked>> | 90% | 52,025 psi | 86% | 2582 fps | 100% |
| Accurate 4350 | <<locked>> | 98% | 51,416 psi | 85% | 2657 fps | 99.5% |
| ADI AR 2206H | <<locked>> | 86% | 52,939 psi | 88% | 2612 fps | 99.9% |
| ADI AR 2208 | <<locked>> | 92% | 53,722 psi | 89% | 2608 fps | 99.8% |
| ADI Benchmark 8208 | <<locked>> | 84% | 52,156 psi | 87% | 2569 fps | 100% |
| Alliant AR-Comp | <<locked>> | 84% | 52,591 psi | 87% | 2543 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 88% | 52,127 psi | 87% | 2717 fps | 99.8% |
| Alliant Reloder- TS 15.5 | <<locked>> | 92% | 53,693 psi | 89% | 2631 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 90% | 54,389 psi | 90% | 2654 fps | 99.9% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 53,011 psi | 88% | 2710 fps | 99.8% |
| Alliant Reloder-17 | <<locked>> | 96% | 53,940 psi | 90% | 2743 fps | 100% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 37,782 psi | 63% | 2464 fps | 98.6% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 41,901 psi | 70% | 2608 fps | 97.8% |
| Baschieri & Pellagri 107 | <<locked>> | 86% | 52,301 psi | 87% | 2621 fps | 99.6% |
| Bofors RP3 | <<locked>> | 92% | 54,273 psi | 90% | 2648 fps | 100% |
| Bofors RP7 | <<locked>> | 96% | 54,302 psi | 90% | 2615 fps | 97.3% |
| Hodgdon Benchmark | <<locked>> | 84% | 53,940 psi | 90% | 2552 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 84% | 50,923 psi | 85% | 2592 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 82% | 52,823 psi | 88% | 2684 fps | 99.8% |
| Hodgdon H380 | <<locked>> | 90% | 51,851 psi | 86% | 2608 fps | 99.2% |
| Hodgdon H414 | <<locked>> | 96% | 50,894 psi | 85% | 2651 fps | 97.5% |
| Hodgdon H4350 | <<locked>> | 94% | 51,967 psi | 86% | 2618 fps | 96.2% |
| Hodgdon H4895 | <<locked>> | 86% | 53,432 psi | 89% | 2621 fps | 100% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 49,197 psi | 82% | 2592 fps | 99.9% |
| Hodgdon LEVERevolution | <<locked>> | 88% | 52,649 psi | 87% | 2654 fps | 100% |
| Hodgdon Superformance | <<locked>> | 96% | 51,387 psi | 85% | 2680 fps | 97% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,404 psi | 59% | 1581 fps | 100% |
| Hodgdon VARGET | <<locked>> | 86% | 51,416 psi | 85% | 2575 fps | 100% |
| IMR 3031 | <<locked>> | 86% | 53,069 psi | 88% | 2602 fps | 100% |
| IMR 4064 | <<locked>> | 90% | 53,229 psi | 88% | 2592 fps | 99.8% |
| IMR 4166 Enduron | <<locked>> | 88% | 53,345 psi | 89% | 2572 fps | 97.7% |
| IMR 4350 | <<locked>> | 98% | 51,024 psi | 85% | 2589 fps | 96.8% |
| IMR 4451 Enduron | <<locked>> | 94% | 53,026 psi | 88% | 2598 fps | 97.6% |
| IMR 4831ᴾ | <<locked>> | 100% | 52,011 psi | 86% | 2648 fps | 99.5% |
| IMR 4895 | <<locked>> | 88% | 52,141 psi | 87% | 2631 fps | 99.9% |
| IMR 8208 XBR | <<locked>> | 84% | 52,156 psi | 87% | 2569 fps | 100% |
| Lovex D073.6 | <<locked>> | 86% | 52,315 psi | 87% | 2589 fps | 100% |
| Lovex S060 | <<locked>> | 86% | 52,678 psi | 88% | 2543 fps | 99.9% |
| Lovex S062 | <<locked>> | 90% | 53,040 psi | 88% | 2592 fps | 100% |
| Lovex S065 | <<locked>> | 96% | 52,301 psi | 87% | 2595 fps | 98.7% |
| Lovex S070 | <<locked>> | 98% | 53,011 psi | 88% | 2625 fps | 97.9% |
| Norma 201 | <<locked>> | 86% | 51,648 psi | 86% | 2559 fps | 100% |
| Norma 202 | <<locked>> | 86% | 52,069 psi | 87% | 2562 fps | 100% |
| Norma 203B | <<locked>> | 90% | 53,635 psi | 89% | 2641 fps | 100% |
| Norma URPᴾ | <<locked>> | 100% | 54,056 psi | 90% | 2694 fps | 99.6% |
| Ramshot Big Game | <<locked>> | 90% | 53,882 psi | 90% | 2664 fps | 100% |
| Ramshot Hunterᴾ | <<locked>> | 100% | 52,808 psi | 88% | 2687 fps | 98.5% |
| Ramshot TAC | <<locked>> | 84% | 52,025 psi | 86% | 2582 fps | 98.7% |
| Ramshot Wild Boar | <<locked>> | 84% | 51,459 psi | 85% | 2595 fps | 99.9% |
| Ramshot X-Terminator | <<locked>> | 82% | 52,736 psi | 88% | 2566 fps | 99.9% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,853 psi | 60% | 1617 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 90% | 51,938 psi | 86% | 2589 fps | 98% |
| ReloadSwiss RS 52 | <<locked>> | 86% | 51,010 psi | 85% | 2661 fps | 99.7% |
| ReloadSwiss RS 60 | <<locked>> | 94% | 54,041 psi | 90% | 2746 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 98% | 51,053 psi | 85% | 2677 fps | 99.3% |
| ReloadSwiss RS 70 | <<locked>> | 98% | 51,053 psi | 85% | 2700 fps | 99.1% |
| Rottweil R 901 | <<locked>> | 84% | 52,852 psi | 88% | 2543 fps | 100% |
| Rottweil R 902 | <<locked>> | 88% | 52,373 psi | 87% | 2562 fps | 100% |
| Rottweil R 903 | <<locked>> | 94% | 53,766 psi | 89% | 2635 fps | 100% |
| Rottweil R 907 | <<locked>> | 96% | 54,302 psi | 90% | 2615 fps | 97.3% |
| Shooters World Long Rifle | <<locked>> | 96% | 52,301 psi | 87% | 2595 fps | 98.7% |
| Shooters World Match Rifle | <<locked>> | 86% | 52,315 psi | 87% | 2589 fps | 100% |
| Shooters World Precision | <<locked>> | 90% | 53,040 psi | 88% | 2592 fps | 100% |
| Shooters World SW4350 | <<locked>> | 98% | 53,011 psi | 88% | 2625 fps | 97.9% |
| SNPE Vectan SP 11 | <<locked>> | 92% | 52,214 psi | 87% | 2648 fps | 99.9% |
| SNPE Vectan SP 7 | <<locked>> | 86% | 53,911 psi | 90% | 2612 fps | 99.3% |
| SNPE Vectan SP 9 | <<locked>> | 86% | 51,271 psi | 85% | 2585 fps | 99.9% |
| SNPE Vectan Tubal 3000 | <<locked>> | 86% | 53,301 psi | 89% | 2503 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 92% | 53,461 psi | 89% | 2507 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 96% | 52,649 psi | 87% | 2549 fps | 97.5% |
| Somchem S321 | <<locked>> | 82% | 52,808 psi | 88% | 2592 fps | 100% |
| Somchem S335 | <<locked>> | 86% | 52,620 psi | 87% | 2503 fps | 100% |
| Somchem S341 | <<locked>> | 86% | 53,374 psi | 89% | 2602 fps | 99.9% |
| Somchem S355 | <<locked>> | 94% | 54,462 psi | 90% | 2638 fps | 100% |
| Somchem S365ᴾ | <<locked>> | 100% | 48,617 psi | 81% | 2648 fps | 100% |
| Vihtavuori N130 | <<locked>> | 82% | 53,388 psi | 89% | 2474 fps | 100% |
| Vihtavuori N133 | <<locked>> | 86% | 53,519 psi | 89% | 2490 fps | 100% |
| Vihtavuori N135 | <<locked>> | 88% | 51,837 psi | 86% | 2530 fps | 100% |
| Vihtavuori N140 | <<locked>> | 88% | 52,721 psi | 88% | 2543 fps | 100% |
| Vihtavuori N150 | <<locked>> | 94% | 52,214 psi | 87% | 2569 fps | 100% |
| Vihtavuori N160 | <<locked>> | 98% | 53,272 psi | 89% | 2641 fps | 99.5% |
| Vihtavuori N530 | <<locked>> | 84% | 52,373 psi | 87% | 2566 fps | 100% |
| Vihtavuori N540 | <<locked>> | 90% | 54,230 psi | 90% | 2585 fps | 100% |
| Vihtavuori N550 | <<locked>> | 98% | 52,315 psi | 87% | 2651 fps | 99.3% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 41,017 psi | 68% | 2536 fps | 98.5% |
| Winchester 6.5 StaBALL | <<locked>> | 98% | 53,737 psi | 89% | 2628 fps | 100% |
| Winchester 748 | <<locked>> | 84% | 52,098 psi | 87% | 2608 fps | 100% |
| Winchester 760 | <<locked>> | 96% | 51,227 psi | 85% | 2657 fps | 97.5% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 33,663 psi | 56% | 2457 fps | 98.3% |
| Winchester StaBALL Match | <<locked>> | 86% | 51,039 psi | 85% | 2592 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% | 47,747 psi | 79% | 2434 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 40,350 psi | 67% | 2369 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 47,079 psi | 78% | 2503 fps | 100% |
| Accurate 2700 | <<locked>> | 84% | 45,440 psi | 75% | 2434 fps | 95.1% |
| Accurate 4064 | <<locked>> | 80% | 38,145 psi | 63% | 2362 fps | 100% |
| Accurate 4350 | <<locked>> | 84% | 31,850 psi | 53% | 2293 fps | 95% |
| ADI AR 2206H | <<locked>> | 80% | 43,845 psi | 73% | 2467 fps | 99.2% |
| ADI AR 2208 | <<locked>> | 80% | 37,318 psi | 62% | 2326 fps | 97.4% |
| ADI Benchmark 8208 | <<locked>> | 80% | 45,934 psi | 76% | 2474 fps | 99.9% |
| Alliant AR-Comp | <<locked>> | 80% | 46,166 psi | 77% | 2457 fps | 100% |
| Alliant Power Pro 2000-MR | 39.7 gr | 80% | 39,653 psi | 66% | 2490 fps | 97.9% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 36,883 psi | 61% | 2349 fps | 98.7% |
| Alliant Reloder-15 | <<locked>> | 80% | 39,610 psi | 66% | 2405 fps | 98.1% |
| Alliant Reloder-16 | <<locked>> | 84% | 32,430 psi | 54% | 2303 fps | 95% |
| Alliant Reloder-17 | 39.1 gr | 80% | 31,705 psi | 53% | 2316 fps | 96.8% |
| Alliant Reloder-23 | <<locked>> | 92% | 29,762 psi | 49% | 2270 fps | 95.6% |
| Alliant Reloder-26 | <<locked>> | 96% | 36,477 psi | 61% | 2490 fps | 95.9% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 42,815 psi | 71% | 2467 fps | 98.3% |
| Bofors RP3 | <<locked>> | 80% | 36,390 psi | 60% | 2352 fps | 98.7% |
| Bofors RP7 | <<locked>> | 90% | 45,252 psi | 75% | 2470 fps | 95.4% |
| Hodgdon Benchmark | <<locked>> | 80% | 47,616 psi | 79% | 2461 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 80% | 44,498 psi | 74% | 2493 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 80% | 49,327 psi | 82% | 2628 fps | 99.6% |
| Hodgdon H380 | <<locked>> | 80% | 37,289 psi | 62% | 2352 fps | 96.3% |
| Hodgdon H414 | <<locked>> | 90% | 41,989 psi | 70% | 2497 fps | 95.3% |
| Hodgdon H4350 | <<locked>> | 92% | 48,921 psi | 81% | 2569 fps | 95.5% |
| Hodgdon H4895 | <<locked>> | 80% | 44,237 psi | 73% | 2477 fps | 99.6% |
| Hodgdon Hybrid 100V | <<locked>> | 82% | 27,978 psi | 46% | 2165 fps | 95.1% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 40,263 psi | 67% | 2451 fps | 99.4% |
| Hodgdon Superformance | 47.6 gr | 92% | 44,846 psi | 75% | 2569 fps | 95.3% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,484 psi | 44% | 1414 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 42,511 psi | 71% | 2434 fps | 99.3% |
| IMR 3031 | <<locked>> | 80% | 43,729 psi | 73% | 2467 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 39,175 psi | 65% | 2359 fps | 98.1% |
| IMR 4166 Enduron | <<locked>> | 80% | 41,756 psi | 69% | 2379 fps | 95% |
| IMR 4350 | <<locked>> | 94% | 45,252 psi | 75% | 2497 fps | 95.4% |
| IMR 4451 Enduron | <<locked>> | 88% | 44,121 psi | 73% | 2451 fps | 95.6% |
| IMR 4831 | <<locked>> | 86% | 33,011 psi | 55% | 2306 fps | 95.5% |
| IMR 4895 | <<locked>> | 80% | 40,553 psi | 67% | 2434 fps | 98.8% |
| IMR 8208 XBR | <<locked>> | 80% | 45,934 psi | 76% | 2474 fps | 99.9% |
| Lovex D073.6 | <<locked>> | 80% | 42,772 psi | 71% | 2444 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 44,034 psi | 73% | 2408 fps | 99.2% |
| Lovex S062 | <<locked>> | 80% | 39,117 psi | 65% | 2362 fps | 99.3% |
| Lovex S065 | <<locked>> | 86% | 38,522 psi | 64% | 2356 fps | 95.7% |
| Lovex S070 | <<locked>> | 90% | 41,394 psi | 69% | 2431 fps | 95.3% |
| Norma 201 | <<locked>> | 80% | 43,033 psi | 71% | 2425 fps | 99.7% |
| Norma 202 | <<locked>> | 80% | 43,250 psi | 72% | 2428 fps | 100% |
| Norma 203B | <<locked>> | 80% | 38,972 psi | 65% | 2398 fps | 98.5% |
| Norma URP | <<locked>> | 86% | 34,577 psi | 57% | 2349 fps | 95.9% |
| Ramshot Big Game | <<locked>> | 80% | 38,348 psi | 64% | 2405 fps | 98.2% |
| Ramshot Hunter | <<locked>> | 90% | 38,276 psi | 64% | 2431 fps | 95% |
| Ramshot TAC | <<locked>> | 80% | 45,687 psi | 76% | 2477 fps | 97.7% |
| Ramshot Wild Boar | <<locked>> | 80% | 45,382 psi | 75% | 2500 fps | 99.4% |
| Ramshot X-Terminator | <<locked>> | 80% | 49,414 psi | 82% | 2516 fps | 99.7% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,687 psi | 44% | 1444 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 82% | 40,379 psi | 67% | 2392 fps | 95.4% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 41,423 psi | 69% | 2500 fps | 98.5% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 33,765 psi | 56% | 2379 fps | 99.4% |
| ReloadSwiss RS 62 | <<locked>> | 86% | 33,823 psi | 56% | 2359 fps | 95.3% |
| ReloadSwiss RS 70 | <<locked>> | 88% | 36,477 psi | 61% | 2418 fps | 95.2% |
| Rottweil R 901 | <<locked>> | 80% | 46,891 psi | 78% | 2457 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 41,031 psi | 68% | 2379 fps | 99.5% |
| Rottweil R 903 | <<locked>> | 80% | 34,301 psi | 57% | 2300 fps | 97.9% |
| Rottweil R 907 | <<locked>> | 90% | 45,252 psi | 75% | 2470 fps | 95.4% |
| Shooters World Long Rifle | <<locked>> | 86% | 38,522 psi | 64% | 2356 fps | 95.7% |
| Shooters World Match Rifle | <<locked>> | 80% | 42,772 psi | 71% | 2444 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 39,117 psi | 65% | 2362 fps | 99.3% |
| Shooters World SW4350 | <<locked>> | 90% | 41,394 psi | 69% | 2431 fps | 95.3% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 35,143 psi | 58% | 2346 fps | 97.4% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 43,947 psi | 73% | 2454 fps | 97.8% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 42,279 psi | 70% | 2438 fps | 99% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 44,483 psi | 74% | 2379 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 36,956 psi | 61% | 2257 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 90% | 43,047 psi | 72% | 2398 fps | 95.5% |
| Somchem S321 | <<locked>> | 80% | 49,414 psi | 82% | 2546 fps | 100% |
| Somchem S335 | <<locked>> | 80% | 43,990 psi | 73% | 2379 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 43,642 psi | 73% | 2451 fps | 99.1% |
| Somchem S355 | <<locked>> | 80% | 35,215 psi | 59% | 2306 fps | 98% |
| Somchem S365 | <<locked>> | 80% | 25,527 psi | 42% | 2149 fps | 95.4% |
| Vihtavuori N130 | <<locked>> | 80% | 50,198 psi | 83% | 2431 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 44,788 psi | 74% | 2372 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 40,408 psi | 67% | 2362 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 40,959 psi | 68% | 2369 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 33,431 psi | 56% | 2251 fps | 98.7% |
| Vihtavuori N160 | <<locked>> | 84% | 33,924 psi | 56% | 2300 fps | 95.5% |
| Vihtavuori N530 | <<locked>> | 80% | 45,963 psi | 76% | 2470 fps | 99.9% |
| Vihtavuori N540 | <<locked>> | 80% | 39,363 psi | 65% | 2359 fps | 100% |
| Vihtavuori N550 | <<locked>> | 84% | 33,185 psi | 55% | 2300 fps | 95% |
| Vihtavuori N555 | <<locked>> | 92% | 31,836 psi | 53% | 2339 fps | 95.8% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 29,588 psi | 49% | 2178 fps | 96% |
| Winchester 748 | <<locked>> | 80% | 45,411 psi | 75% | 2510 fps | 100% |
| Winchester 760 | <<locked>> | 90% | 41,989 psi | 70% | 2497 fps | 95.3% |
| Winchester StaBALL HD | <<locked>> | 96% | 29,718 psi | 49% | 2339 fps | 96.1% |
| Winchester StaBALL Match | <<locked>> | 80% | 41,655 psi | 69% | 2441 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 111 powders for 7 mm-08 Rem. loaded with the .284 | 160gr | Winchester Silvertip. ReloadSwiss RS 60 delivers the highest muzzle velocity at 2,746 fps; across all powders the maximum-charge window runs from 1,581 fps to 2,746 fps. Accurate 3100 gives the best case fill at 100 %, and 111 of the 111 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (415 MPa), the top charges use 54–90 %, leaving at least 10 % headroom. The 160.0 gr projectile in 0.284" calls for a 1:16.0 twist; slower twists will usually not stabilise this weight. Accurate 3100, ADI AR 2209, Alliant Reloder-16 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, Hodgdon Superformance, Alliant Reloder-17 rank at the top here: for 7 mm-08 Rem. with the .284 | 160gr | Winchester Silvertip 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.