Load Specifications
Load data in caliber .260 Rem. with .264 | 128gr | Hasler Hunting 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, ReloadSwiss RS 60 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% | 53,853 psi | 89% | 2644 fps | 100% |
| Accurate 2495 | <<locked>> | 88% | 52,112 psi | 87% | 2667 fps | 100% |
| Accurate 2520 | <<locked>> | 84% | 54,041 psi | 90% | 2733 fps | 100% |
| Accurate 2700 | <<locked>> | 88% | 51,721 psi | 86% | 2661 fps | 96.3% |
| Accurate 4064 | <<locked>> | 90% | 52,373 psi | 87% | 2713 fps | 100% |
| Accurate 4350 | <<locked>> | 98% | 51,474 psi | 86% | 2785 fps | 99.3% |
| ADI AR 2206H | <<locked>> | 86% | 52,895 psi | 88% | 2740 fps | 99.9% |
| ADI AR 2208 | <<locked>> | 92% | 53,809 psi | 89% | 2740 fps | 99.7% |
| ADI Benchmark 8208 | <<locked>> | 84% | 52,156 psi | 87% | 2697 fps | 100% |
| Alliant AR-Comp | <<locked>> | 84% | 52,649 psi | 87% | 2674 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 88% | 52,214 psi | 87% | 2851 fps | 99.7% |
| Alliant Reloder- TS 15.5 | <<locked>> | 92% | 53,606 psi | 89% | 2762 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 90% | 54,288 psi | 90% | 2782 fps | 99.8% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 53,287 psi | 89% | 2844 fps | 99.7% |
| Alliant Reloder-17 | <<locked>> | 96% | 54,404 psi | 90% | 2884 fps | 100% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 37,768 psi | 63% | 2582 fps | 98.4% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 42,264 psi | 70% | 2736 fps | 97.6% |
| Baschieri & Pellagri 107 | <<locked>> | 86% | 52,533 psi | 87% | 2756 fps | 99.5% |
| Bofors RP3 | <<locked>> | 92% | 54,288 psi | 90% | 2779 fps | 100% |
| Bofors RP7 | <<locked>> | 94% | 51,343 psi | 85% | 2697 fps | 96.5% |
| Hodgdon Benchmark | <<locked>> | 84% | 53,751 psi | 89% | 2677 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 84% | 51,097 psi | 85% | 2723 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 82% | 52,997 psi | 88% | 2815 fps | 99.8% |
| Hodgdon H380 | <<locked>> | 90% | 51,634 psi | 86% | 2736 fps | 99% |
| Hodgdon H414 | <<locked>> | 96% | 50,966 psi | 85% | 2779 fps | 97.2% |
| Hodgdon H4350 | <<locked>> | 94% | 51,895 psi | 86% | 2743 fps | 95.9% |
| Hodgdon H4895 | <<locked>> | 86% | 53,388 psi | 89% | 2753 fps | 100% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 49,400 psi | 82% | 2723 fps | 99.9% |
| Hodgdon LEVERevolution | <<locked>> | 88% | 52,446 psi | 87% | 2779 fps | 100% |
| Hodgdon Superformance | <<locked>> | 96% | 51,605 psi | 86% | 2812 fps | 96.8% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,244 psi | 59% | 1670 fps | 100% |
| Hodgdon VARGET | <<locked>> | 86% | 51,358 psi | 85% | 2707 fps | 99.9% |
| IMR 3031 | <<locked>> | 86% | 53,374 psi | 89% | 2736 fps | 100% |
| IMR 4064 | <<locked>> | 90% | 53,461 psi | 89% | 2723 fps | 99.8% |
| IMR 4166 Enduron | <<locked>> | 88% | 53,388 psi | 89% | 2700 fps | 97.5% |
| IMR 4350ᴾ | <<locked>> | 100% | 54,418 psi | 90% | 2766 fps | 97.2% |
| IMR 4451 Enduron | <<locked>> | 94% | 52,953 psi | 88% | 2726 fps | 97.3% |
| IMR 4831ᴾ | <<locked>> | 100% | 52,243 psi | 87% | 2779 fps | 99.5% |
| IMR 4895 | <<locked>> | 88% | 52,460 psi | 87% | 2766 fps | 99.9% |
| IMR 8208 XBR | <<locked>> | 84% | 52,156 psi | 87% | 2697 fps | 100% |
| Lovex D073.6 | <<locked>> | 86% | 52,359 psi | 87% | 2717 fps | 100% |
| Lovex S060 | <<locked>> | 86% | 52,649 psi | 87% | 2671 fps | 99.9% |
| Lovex S062 | <<locked>> | 90% | 53,301 psi | 89% | 2723 fps | 100% |
| Lovex S065 | <<locked>> | 96% | 52,446 psi | 87% | 2720 fps | 98.5% |
| Lovex S070 | <<locked>> | 98% | 53,229 psi | 88% | 2756 fps | 97.7% |
| Norma 201 | <<locked>> | 86% | 51,721 psi | 86% | 2690 fps | 100% |
| Norma 202 | <<locked>> | 86% | 52,170 psi | 87% | 2694 fps | 100% |
| Norma 203B | <<locked>> | 90% | 53,534 psi | 89% | 2772 fps | 99.9% |
| Norma URPᴾ | <<locked>> | 100% | 54,259 psi | 90% | 2828 fps | 99.5% |
| Ramshot Big Game | <<locked>> | 90% | 53,911 psi | 90% | 2795 fps | 99.9% |
| Ramshot Hunterᴾ | <<locked>> | 100% | 53,258 psi | 88% | 2825 fps | 98.4% |
| Ramshot TAC | <<locked>> | 84% | 52,359 psi | 87% | 2713 fps | 98.6% |
| Ramshot Wild Boar | <<locked>> | 84% | 51,677 psi | 86% | 2730 fps | 99.8% |
| Ramshot X-Terminator | <<locked>> | 82% | 52,968 psi | 88% | 2697 fps | 99.8% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,781 psi | 59% | 1709 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 90% | 52,388 psi | 87% | 2723 fps | 97.9% |
| ReloadSwiss RS 52 | <<locked>> | 86% | 51,039 psi | 85% | 2792 fps | 99.6% |
| ReloadSwiss RS 60 | <<locked>> | 94% | 54,172 psi | 90% | 2884 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 98% | 51,068 psi | 85% | 2805 fps | 99.1% |
| ReloadSwiss RS 70 | <<locked>> | 98% | 50,966 psi | 85% | 2828 fps | 98.9% |
| Rottweil R 901 | <<locked>> | 84% | 52,968 psi | 88% | 2674 fps | 100% |
| Rottweil R 902 | <<locked>> | 88% | 52,214 psi | 87% | 2687 fps | 100% |
| Rottweil R 903 | <<locked>> | 94% | 54,157 psi | 90% | 2769 fps | 100% |
| Rottweil R 907 | <<locked>> | 94% | 51,343 psi | 85% | 2697 fps | 96.5% |
| Shooters World Long Rifle | <<locked>> | 96% | 52,446 psi | 87% | 2720 fps | 98.5% |
| Shooters World Match Rifle | <<locked>> | 86% | 52,359 psi | 87% | 2717 fps | 100% |
| Shooters World Precision | <<locked>> | 90% | 53,301 psi | 89% | 2723 fps | 100% |
| Shooters World SW4350 | <<locked>> | 98% | 53,229 psi | 88% | 2756 fps | 97.7% |
| SNPE Vectan SP 11 | <<locked>> | 92% | 52,127 psi | 87% | 2776 fps | 99.8% |
| SNPE Vectan SP 7 | <<locked>> | 86% | 54,143 psi | 90% | 2743 fps | 99.2% |
| SNPE Vectan SP 9 | <<locked>> | 86% | 51,314 psi | 85% | 2713 fps | 99.8% |
| SNPE Vectan Tubal 3000 | <<locked>> | 86% | 53,287 psi | 89% | 2631 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 92% | 53,272 psi | 89% | 2631 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 96% | 52,823 psi | 88% | 2677 fps | 97.3% |
| Somchem S321 | <<locked>> | 82% | 53,156 psi | 88% | 2726 fps | 100% |
| Somchem S335 | <<locked>> | 86% | 52,634 psi | 87% | 2631 fps | 100% |
| Somchem S341 | <<locked>> | 86% | 53,621 psi | 89% | 2733 fps | 99.9% |
| Somchem S355 | <<locked>> | 94% | 54,302 psi | 90% | 2766 fps | 100% |
| Somchem S365ᴾ | <<locked>> | 100% | 48,486 psi | 81% | 2776 fps | 100% |
| Vihtavuori N130 | <<locked>> | 82% | 53,171 psi | 88% | 2598 fps | 100% |
| Vihtavuori N133 | <<locked>> | 86% | 53,505 psi | 89% | 2618 fps | 100% |
| Vihtavuori N135 | <<locked>> | 88% | 51,735 psi | 86% | 2654 fps | 100% |
| Vihtavuori N140 | <<locked>> | 88% | 52,881 psi | 88% | 2674 fps | 100% |
| Vihtavuori N150 | <<locked>> | 94% | 52,547 psi | 87% | 2700 fps | 100% |
| Vihtavuori N160 | <<locked>> | 98% | 53,330 psi | 89% | 2772 fps | 99.4% |
| Vihtavuori N530 | <<locked>> | 84% | 52,185 psi | 87% | 2690 fps | 100% |
| Vihtavuori N540 | <<locked>> | 90% | 54,027 psi | 90% | 2713 fps | 100% |
| Vihtavuori N550 | <<locked>> | 98% | 52,315 psi | 87% | 2776 fps | 99.2% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 41,075 psi | 68% | 2657 fps | 98.3% |
| Winchester 6.5 StaBALL | <<locked>> | 98% | 53,838 psi | 89% | 2756 fps | 100% |
| Winchester 748 | <<locked>> | 84% | 51,982 psi | 86% | 2740 fps | 100% |
| Winchester 760 | <<locked>> | 96% | 51,358 psi | 85% | 2785 fps | 97.3% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 33,968 psi | 56% | 2579 fps | 98.1% |
| Winchester StaBALL Match | <<locked>> | 86% | 50,995 psi | 85% | 2720 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% | 47,732 psi | 79% | 2559 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 40,277 psi | 67% | 2484 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 47,152 psi | 78% | 2631 fps | 100% |
| Accurate 2700 | <<locked>> | 86% | 48,414 psi | 80% | 2608 fps | 95.6% |
| Accurate 4064 | <<locked>> | 80% | 38,072 psi | 63% | 2480 fps | 100% |
| Accurate 4350 | <<locked>> | 86% | 34,026 psi | 57% | 2457 fps | 95.5% |
| ADI AR 2206H | <<locked>> | 80% | 44,005 psi | 73% | 2592 fps | 99.1% |
| ADI AR 2208 | <<locked>> | 80% | 37,449 psi | 62% | 2444 fps | 97.1% |
| ADI Benchmark 8208 | <<locked>> | 80% | 46,064 psi | 77% | 2598 fps | 99.8% |
| Alliant AR-Comp | <<locked>> | 80% | 45,905 psi | 76% | 2582 fps | 100% |
| Alliant Power Pro 2000-MR | 36.3 gr | 80% | 39,827 psi | 66% | 2615 fps | 97.7% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 36,840 psi | 61% | 2464 fps | 98.5% |
| Alliant Reloder-15 | <<locked>> | 80% | 39,740 psi | 66% | 2530 fps | 97.9% |
| Alliant Reloder-16 | <<locked>> | 86% | 34,664 psi | 58% | 2474 fps | 95.7% |
| Alliant Reloder-17 | 35.7 gr | 80% | 31,720 psi | 53% | 2428 fps | 96.4% |
| Alliant Reloder-23 | <<locked>> | 92% | 29,689 psi | 49% | 2375 fps | 95.2% |
| Alliant Reloder-26 | <<locked>> | 96% | 36,550 psi | 61% | 2605 fps | 95.5% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 42,815 psi | 71% | 2589 fps | 98.1% |
| Bofors RP3 | <<locked>> | 80% | 36,347 psi | 60% | 2467 fps | 98.5% |
| Bofors RP7 | <<locked>> | 90% | 45,266 psi | 75% | 2592 fps | 95.1% |
| Hodgdon Benchmark | <<locked>> | 80% | 47,558 psi | 79% | 2585 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 80% | 44,715 psi | 74% | 2618 fps | 99.9% |
| Hodgdon CFE223 | <<locked>> | 80% | 49,124 psi | 82% | 2756 fps | 99.5% |
| Hodgdon H380 | <<locked>> | 80% | 37,304 psi | 62% | 2470 fps | 96% |
| Hodgdon H414 | <<locked>> | 92% | 44,817 psi | 74% | 2674 fps | 95.8% |
| Hodgdon H4350 | <<locked>> | 92% | 48,921 psi | 81% | 2694 fps | 95.2% |
| Hodgdon H4895 | <<locked>> | 80% | 44,382 psi | 74% | 2602 fps | 99.5% |
| Hodgdon Hybrid 100V | <<locked>> | 84% | 29,776 psi | 49% | 2323 fps | 95.6% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 40,248 psi | 67% | 2572 fps | 99.2% |
| Hodgdon Superformance | <<locked>> | 92% | 44,773 psi | 74% | 2690 fps | 95% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,440 psi | 44% | 1493 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 42,308 psi | 70% | 2549 fps | 99.1% |
| IMR 3031 | <<locked>> | 80% | 43,801 psi | 73% | 2592 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 39,305 psi | 65% | 2480 fps | 97.9% |
| IMR 4166 Enduron | <<locked>> | 82% | 44,222 psi | 73% | 2546 fps | 95.4% |
| IMR 4350 | <<locked>> | 94% | 45,281 psi | 75% | 2618 fps | 95.1% |
| IMR 4451 Enduron | <<locked>> | 88% | 44,193 psi | 73% | 2575 fps | 95.3% |
| IMR 4831 | <<locked>> | 86% | 33,170 psi | 55% | 2421 fps | 95.2% |
| IMR 4895 | <<locked>> | 80% | 40,683 psi | 68% | 2559 fps | 98.6% |
| IMR 8208 XBR | <<locked>> | 80% | 46,064 psi | 77% | 2598 fps | 99.8% |
| Lovex D073.6 | <<locked>> | 80% | 42,902 psi | 71% | 2569 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 43,903 psi | 73% | 2526 fps | 99.1% |
| Lovex S062 | <<locked>> | 80% | 38,972 psi | 65% | 2480 fps | 99.2% |
| Lovex S065 | <<locked>> | 86% | 38,580 psi | 64% | 2470 fps | 95.4% |
| Lovex S070 | <<locked>> | 90% | 41,423 psi | 69% | 2549 fps | 95% |
| Norma 201 | <<locked>> | 80% | 42,946 psi | 71% | 2543 fps | 99.6% |
| Norma 202 | <<locked>> | 80% | 43,250 psi | 72% | 2552 fps | 100% |
| Norma 203B | <<locked>> | 80% | 39,088 psi | 65% | 2516 fps | 98.3% |
| Norma URP | <<locked>> | 86% | 34,505 psi | 57% | 2461 fps | 95.5% |
| Ramshot Big Game | <<locked>> | 80% | 38,464 psi | 64% | 2526 fps | 97.9% |
| Ramshot Hunter | <<locked>> | 92% | 40,886 psi | 68% | 2602 fps | 95.6% |
| Ramshot TAC | <<locked>> | 80% | 45,730 psi | 76% | 2602 fps | 97.5% |
| Ramshot Wild Boar | <<locked>> | 80% | 45,281 psi | 75% | 2621 fps | 99.2% |
| Ramshot X-Terminator | <<locked>> | 80% | 49,342 psi | 82% | 2641 fps | 99.6% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,687 psi | 44% | 1529 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 82% | 40,306 psi | 67% | 2507 fps | 95% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 41,582 psi | 69% | 2625 fps | 98.3% |
| ReloadSwiss RS 60 | 35.7 gr | 80% | 33,779 psi | 56% | 2493 fps | 99.3% |
| ReloadSwiss RS 62 | <<locked>> | 86% | 34,011 psi | 57% | 2477 fps | 95% |
| ReloadSwiss RS 70 | <<locked>> | 90% | 39,059 psi | 65% | 2595 fps | 95.9% |
| Rottweil R 901 | <<locked>> | 80% | 47,079 psi | 78% | 2585 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 40,828 psi | 68% | 2497 fps | 99.4% |
| Rottweil R 903 | <<locked>> | 80% | 34,330 psi | 57% | 2415 fps | 97.7% |
| Rottweil R 907 | <<locked>> | 90% | 45,266 psi | 75% | 2592 fps | 95.1% |
| Shooters World Long Rifle | <<locked>> | 86% | 38,580 psi | 64% | 2470 fps | 95.4% |
| Shooters World Match Rifle | <<locked>> | 80% | 42,902 psi | 71% | 2569 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 38,972 psi | 65% | 2480 fps | 99.2% |
| Shooters World SW4350 | <<locked>> | 90% | 41,423 psi | 69% | 2549 fps | 95% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 35,288 psi | 59% | 2464 fps | 97.1% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 43,932 psi | 73% | 2575 fps | 97.6% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 42,438 psi | 71% | 2562 fps | 98.8% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 44,353 psi | 74% | 2497 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 36,825 psi | 61% | 2372 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 90% | 43,279 psi | 72% | 2520 fps | 95.2% |
| Somchem S321 | <<locked>> | 80% | 49,414 psi | 82% | 2671 fps | 100% |
| Somchem S335 | <<locked>> | 80% | 43,903 psi | 73% | 2500 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 43,598 psi | 72% | 2572 fps | 99% |
| Somchem S355 | <<locked>> | 80% | 35,157 psi | 58% | 2421 fps | 97.7% |
| Somchem S365 | <<locked>> | 80% | 25,570 psi | 42% | 2254 fps | 95% |
| Vihtavuori N130 | <<locked>> | 80% | 50,096 psi | 83% | 2556 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 44,628 psi | 74% | 2490 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 40,306 psi | 67% | 2480 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 40,973 psi | 68% | 2490 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 33,475 psi | 56% | 2362 fps | 98.4% |
| Vihtavuori N160 | <<locked>> | 84% | 33,924 psi | 56% | 2415 fps | 95.1% |
| Vihtavuori N530 | <<locked>> | 80% | 45,890 psi | 76% | 2592 fps | 99.9% |
| Vihtavuori N540 | <<locked>> | 80% | 39,436 psi | 66% | 2480 fps | 100% |
| Vihtavuori N550 | <<locked>> | 86% | 35,476 psi | 59% | 2464 fps | 95.5% |
| Vihtavuori N555 | <<locked>> | 92% | 31,792 psi | 53% | 2448 fps | 95.4% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 29,588 psi | 49% | 2283 fps | 95.6% |
| Winchester 748 | <<locked>> | 80% | 45,382 psi | 75% | 2635 fps | 100% |
| Winchester 760 | <<locked>> | 90% | 42,192 psi | 70% | 2621 fps | 95% |
| Winchester StaBALL HD | <<locked>> | 96% | 29,834 psi | 50% | 2448 fps | 95.7% |
| Winchester StaBALL Match | <<locked>> | 80% | 41,713 psi | 69% | 2562 fps | 99.1% |
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 .260 Rem. loaded with the .264 | 128gr | Hasler Hunting. Alliant Reloder-17 delivers the highest muzzle velocity at 2,884 fps; across all powders the maximum-charge window runs from 1,670 fps to 2,884 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 128.0 gr projectile in 0.264" calls for a 1:8.5 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, ReloadSwiss RS 60, Alliant Reloder-17 rank at the top here: for .260 Rem. with the .264 | 128gr | Hasler Hunting 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.