Load Specifications
Load data in caliber 7 x 64 Brenneke with .284 | 153gr | Peregrine Glider GRM 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 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>> | 84% | 53,751 psi | 89% | 2602 fps | 100% |
| Accurate 2495 | <<locked>> | 88% | 51,619 psi | 86% | 2621 fps | 100% |
| Accurate 2520 | <<locked>> | 84% | 54,128 psi | 90% | 2690 fps | 100% |
| Accurate 2700 | <<locked>> | 88% | 51,808 psi | 86% | 2628 fps | 96.7% |
| Accurate 4064 | <<locked>> | 90% | 51,880 psi | 86% | 2667 fps | 100% |
| Accurate 4350 | <<locked>> | 98% | 51,503 psi | 86% | 2746 fps | 99.5% |
| ADI AR 2206H | <<locked>> | 86% | 52,953 psi | 88% | 2703 fps | 99.9% |
| ADI AR 2208 | <<locked>> | 92% | 53,954 psi | 90% | 2703 fps | 99.8% |
| ADI Benchmark 8208 | <<locked>> | 84% | 52,083 psi | 87% | 2657 fps | 100% |
| Alliant AR-Comp | <<locked>> | 84% | 52,881 psi | 88% | 2635 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 88% | 52,388 psi | 87% | 2812 fps | 99.8% |
| Alliant Reloder- TS 15.5 | <<locked>> | 92% | 53,751 psi | 89% | 2723 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 88% | 51,111 psi | 85% | 2694 fps | 99.7% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 53,330 psi | 89% | 2805 fps | 99.8% |
| Alliant Reloder-17 | <<locked>> | 94% | 50,865 psi | 85% | 2785 fps | 100% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 37,927 psi | 63% | 2552 fps | 98.7% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 42,047 psi | 70% | 2697 fps | 97.8% |
| Baschieri & Pellagri 107 | <<locked>> | 86% | 52,620 psi | 87% | 2717 fps | 99.6% |
| Bofors RP3 | <<locked>> | 92% | 54,375 psi | 90% | 2740 fps | 100% |
| Bofors RP7 | <<locked>> | 94% | 51,256 psi | 85% | 2657 fps | 96.8% |
| Hodgdon Benchmark | <<locked>> | 84% | 53,983 psi | 90% | 2641 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 84% | 51,053 psi | 85% | 2680 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 82% | 53,156 psi | 88% | 2779 fps | 99.9% |
| Hodgdon H380 | <<locked>> | 90% | 52,025 psi | 86% | 2700 fps | 99.2% |
| Hodgdon H414 | <<locked>> | 96% | 51,416 psi | 85% | 2746 fps | 97.6% |
| Hodgdon H4350 | <<locked>> | 94% | 52,446 psi | 87% | 2713 fps | 96.4% |
| Hodgdon H4895 | <<locked>> | 86% | 53,519 psi | 89% | 2713 fps | 100% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 49,516 psi | 82% | 2684 fps | 99.9% |
| Hodgdon LEVERevolution | <<locked>> | 88% | 52,736 psi | 88% | 2743 fps | 100% |
| Hodgdon Superformance | <<locked>> | 96% | 51,866 psi | 86% | 2779 fps | 97.2% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,433 psi | 59% | 1647 fps | 100% |
| Hodgdon VARGET | <<locked>> | 86% | 51,619 psi | 86% | 2667 fps | 100% |
| IMR 3031 | <<locked>> | 86% | 53,519 psi | 89% | 2697 fps | 100% |
| IMR 4064 | <<locked>> | 90% | 53,621 psi | 89% | 2690 fps | 99.9% |
| IMR 4166 Enduron | <<locked>> | 88% | 53,577 psi | 89% | 2667 fps | 97.8% |
| IMR 4350 | <<locked>> | 98% | 51,590 psi | 86% | 2684 fps | 96.9% |
| IMR 4451 Enduron | <<locked>> | 94% | 53,272 psi | 89% | 2690 fps | 97.7% |
| IMR 4831ᴾ | <<locked>> | 100% | 52,446 psi | 87% | 2743 fps | 99.6% |
| IMR 4895 | <<locked>> | 88% | 52,417 psi | 87% | 2723 fps | 99.9% |
| IMR 8208 XBR | <<locked>> | 84% | 52,083 psi | 87% | 2657 fps | 100% |
| Lovex D073.6 | <<locked>> | 86% | 52,402 psi | 87% | 2677 fps | 100% |
| Lovex S060 | <<locked>> | 86% | 52,982 psi | 88% | 2638 fps | 99.9% |
| Lovex S062 | <<locked>> | 90% | 53,287 psi | 89% | 2684 fps | 100% |
| Lovex S065 | <<locked>> | 96% | 52,359 psi | 87% | 2684 fps | 98.7% |
| Lovex S070 | <<locked>> | 98% | 53,127 psi | 88% | 2713 fps | 98% |
| Norma 201 | <<locked>> | 86% | 51,692 psi | 86% | 2651 fps | 100% |
| Norma 202 | <<locked>> | 86% | 52,199 psi | 87% | 2651 fps | 100% |
| Norma 203B | <<locked>> | 90% | 53,722 psi | 89% | 2733 fps | 100% |
| Norma URP | <<locked>> | 98% | 51,082 psi | 85% | 2736 fps | 99.4% |
| Ramshot Big Game | <<locked>> | 90% | 54,288 psi | 90% | 2759 fps | 100% |
| Ramshot Hunterᴾ | <<locked>> | 100% | 53,301 psi | 89% | 2785 fps | 98.6% |
| Ramshot TAC | <<locked>> | 84% | 52,373 psi | 87% | 2674 fps | 98.8% |
| Ramshot Wild Boar | <<locked>> | 84% | 51,953 psi | 86% | 2694 fps | 99.9% |
| Ramshot X-Terminator | <<locked>> | 82% | 53,040 psi | 88% | 2657 fps | 99.9% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,781 psi | 59% | 1686 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 90% | 52,431 psi | 87% | 2684 fps | 98.2% |
| ReloadSwiss RS 52 | <<locked>> | 86% | 51,314 psi | 85% | 2756 fps | 99.7% |
| ReloadSwiss RS 60 | <<locked>> | 94% | 54,331 psi | 90% | 2841 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 98% | 51,605 psi | 86% | 2772 fps | 99.4% |
| ReloadSwiss RS 70 | <<locked>> | 98% | 51,401 psi | 85% | 2795 fps | 99.2% |
| Rottweil R 901 | <<locked>> | 84% | 52,417 psi | 87% | 2628 fps | 100% |
| Rottweil R 902 | <<locked>> | 88% | 52,054 psi | 86% | 2648 fps | 100% |
| Rottweil R 903 | <<locked>> | 94% | 54,230 psi | 90% | 2730 fps | 100% |
| Rottweil R 907 | <<locked>> | 94% | 51,256 psi | 85% | 2657 fps | 96.8% |
| Shooters World Long Rifle | <<locked>> | 96% | 52,359 psi | 87% | 2684 fps | 98.7% |
| Shooters World Match Rifle | <<locked>> | 86% | 52,402 psi | 87% | 2677 fps | 100% |
| Shooters World Precision | <<locked>> | 90% | 53,287 psi | 89% | 2684 fps | 100% |
| Shooters World SW4350 | <<locked>> | 98% | 53,127 psi | 88% | 2713 fps | 98% |
| SNPE Vectan SP 11 | <<locked>> | 92% | 52,692 psi | 88% | 2743 fps | 99.9% |
| SNPE Vectan SP 7 | <<locked>> | 86% | 54,070 psi | 90% | 2703 fps | 99.3% |
| SNPE Vectan SP 9 | <<locked>> | 86% | 51,474 psi | 86% | 2677 fps | 99.9% |
| SNPE Vectan Tubal 3000 | <<locked>> | 86% | 53,447 psi | 89% | 2595 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 92% | 53,563 psi | 89% | 2595 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 96% | 52,837 psi | 88% | 2641 fps | 97.6% |
| Somchem S321 | <<locked>> | 82% | 53,011 psi | 88% | 2687 fps | 100% |
| Somchem S335 | <<locked>> | 86% | 52,736 psi | 88% | 2592 fps | 100% |
| Somchem S341 | <<locked>> | 86% | 53,650 psi | 89% | 2694 fps | 99.9% |
| Somchem S355 | <<locked>> | 92% | 51,256 psi | 85% | 2680 fps | 100% |
| Somchem S365ᴾ | <<locked>> | 100% | 49,052 psi | 81% | 2743 fps | 100% |
| Vihtavuori N130 | <<locked>> | 82% | 53,142 psi | 88% | 2556 fps | 100% |
| Vihtavuori N133 | <<locked>> | 86% | 53,708 psi | 89% | 2579 fps | 100% |
| Vihtavuori N135 | <<locked>> | 88% | 51,779 psi | 86% | 2615 fps | 100% |
| Vihtavuori N140 | <<locked>> | 88% | 52,721 psi | 88% | 2631 fps | 100% |
| Vihtavuori N150 | <<locked>> | 94% | 52,765 psi | 88% | 2664 fps | 100% |
| Vihtavuori N160 | <<locked>> | 98% | 53,563 psi | 89% | 2736 fps | 99.5% |
| Vihtavuori N530 | <<locked>> | 84% | 52,576 psi | 87% | 2657 fps | 100% |
| Vihtavuori N540 | <<locked>> | 88% | 50,807 psi | 84% | 2628 fps | 100% |
| Vihtavuori N550 | <<locked>> | 98% | 52,663 psi | 87% | 2743 fps | 99.4% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 41,336 psi | 69% | 2621 fps | 98.6% |
| Winchester 6.5 StaBALL | <<locked>> | 98% | 54,041 psi | 90% | 2717 fps | 100% |
| Winchester 748 | <<locked>> | 84% | 52,431 psi | 87% | 2703 fps | 100% |
| Winchester 760 | <<locked>> | 96% | 51,416 psi | 85% | 2746 fps | 97.6% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 33,576 psi | 56% | 2539 fps | 98.3% |
| Winchester StaBALL Match | <<locked>> | 86% | 51,111 psi | 85% | 2684 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 | 79% | 2516 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 39,711 psi | 66% | 2441 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 47,079 psi | 78% | 2592 fps | 100% |
| Accurate 2700 | <<locked>> | 84% | 45,237 psi | 75% | 2520 fps | 95.1% |
| Accurate 4064 | <<locked>> | 80% | 37,594 psi | 62% | 2434 fps | 100% |
| Accurate 4350 | <<locked>> | 86% | 33,765 psi | 56% | 2418 fps | 95.7% |
| ADI AR 2206H | <<locked>> | 80% | 43,656 psi | 73% | 2549 fps | 99.2% |
| ADI AR 2208 | <<locked>> | 80% | 37,260 psi | 62% | 2408 fps | 97.4% |
| ADI Benchmark 8208 | <<locked>> | 80% | 45,774 psi | 76% | 2556 fps | 99.9% |
| Alliant AR-Comp | <<locked>> | 80% | 46,296 psi | 77% | 2546 fps | 100% |
| Alliant Power Pro 2000-MR | 42.1 gr | 80% | 39,682 psi | 66% | 2579 fps | 97.9% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 36,680 psi | 61% | 2428 fps | 98.6% |
| Alliant Reloder-15 | <<locked>> | 80% | 39,334 psi | 65% | 2484 fps | 98.1% |
| Alliant Reloder-16 | <<locked>> | 84% | 32,227 psi | 54% | 2379 fps | 95% |
| Alliant Reloder-17 | <<locked>> | 80% | 31,604 psi | 53% | 2392 fps | 96.7% |
| Alliant Reloder-23 | <<locked>> | 92% | 29,486 psi | 49% | 2336 fps | 95.5% |
| Alliant Reloder-26 | <<locked>> | 96% | 36,521 psi | 61% | 2572 fps | 96% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 42,859 psi | 71% | 2552 fps | 98.3% |
| Bofors RP3 | <<locked>> | 80% | 36,187 psi | 60% | 2428 fps | 98.6% |
| Bofors RP7 | <<locked>> | 90% | 45,310 psi | 75% | 2559 fps | 95.4% |
| Hodgdon Benchmark | <<locked>> | 80% | 47,558 psi | 79% | 2546 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 80% | 44,483 psi | 74% | 2575 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 80% | 49,400 psi | 82% | 2720 fps | 99.6% |
| Hodgdon H380 | <<locked>> | 80% | 37,043 psi | 62% | 2431 fps | 96.2% |
| Hodgdon H414 | <<locked>> | 90% | 41,843 psi | 70% | 2579 fps | 95.3% |
| Hodgdon H4350 | <<locked>> | 92% | 49,168 psi | 82% | 2661 fps | 95.6% |
| Hodgdon H4895 | <<locked>> | 80% | 44,048 psi | 73% | 2559 fps | 99.5% |
| Hodgdon Hybrid 100V | <<locked>> | 84% | 29,544 psi | 49% | 2287 fps | 95.9% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 40,147 psi | 67% | 2533 fps | 99.3% |
| Hodgdon Superformance | 50.4 gr | 92% | 44,860 psi | 75% | 2657 fps | 95.4% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,150 psi | 43% | 1467 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 42,438 psi | 71% | 2516 fps | 99.3% |
| IMR 3031 | <<locked>> | 80% | 43,801 psi | 73% | 2552 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 39,102 psi | 65% | 2441 fps | 98.1% |
| IMR 4166 Enduron | <<locked>> | 80% | 41,510 psi | 69% | 2457 fps | 95% |
| IMR 4350 | <<locked>> | 94% | 45,382 psi | 75% | 2582 fps | 95.5% |
| IMR 4451 Enduron | <<locked>> | 88% | 44,367 psi | 74% | 2543 fps | 95.7% |
| IMR 4831 | <<locked>> | 86% | 32,822 psi | 55% | 2379 fps | 95.4% |
| IMR 4895 | <<locked>> | 80% | 40,306 psi | 67% | 2516 fps | 98.8% |
| IMR 8208 XBR | <<locked>> | 80% | 45,774 psi | 76% | 2556 fps | 99.9% |
| Lovex D073.6 | <<locked>> | 80% | 42,583 psi | 71% | 2526 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 44,034 psi | 73% | 2493 fps | 99.3% |
| Lovex S062 | <<locked>> | 80% | 38,914 psi | 65% | 2444 fps | 99.3% |
| Lovex S065 | <<locked>> | 86% | 38,406 psi | 64% | 2434 fps | 95.6% |
| Lovex S070 | <<locked>> | 90% | 41,263 psi | 69% | 2510 fps | 95.3% |
| Norma 201 | <<locked>> | 80% | 42,757 psi | 71% | 2503 fps | 99.7% |
| Norma 202 | <<locked>> | 80% | 43,120 psi | 72% | 2513 fps | 100% |
| Norma 203B | <<locked>> | 80% | 38,725 psi | 64% | 2474 fps | 98.4% |
| Norma URP | <<locked>> | 86% | 34,243 psi | 57% | 2421 fps | 95.7% |
| Ramshot Big Game | <<locked>> | 80% | 38,319 psi | 64% | 2487 fps | 98.2% |
| Ramshot Hunter | <<locked>> | 90% | 38,305 psi | 64% | 2513 fps | 95.1% |
| Ramshot TAC | <<locked>> | 80% | 45,687 psi | 76% | 2566 fps | 97.7% |
| Ramshot Wild Boar | <<locked>> | 80% | 45,121 psi | 75% | 2582 fps | 99.4% |
| Ramshot X-Terminator | <<locked>> | 80% | 49,530 psi | 82% | 2605 fps | 99.7% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,556 psi | 44% | 1503 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 82% | 40,277 psi | 67% | 2474 fps | 95.4% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 41,423 psi | 69% | 2585 fps | 98.5% |
| ReloadSwiss RS 60 | 41.5 gr | 80% | 33,692 psi | 56% | 2457 fps | 99.4% |
| ReloadSwiss RS 62 | <<locked>> | 86% | 33,620 psi | 56% | 2434 fps | 95.2% |
| ReloadSwiss RS 70 | <<locked>> | 88% | 36,376 psi | 60% | 2500 fps | 95.3% |
| Rottweil R 901 | <<locked>> | 80% | 46,659 psi | 78% | 2543 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 40,553 psi | 67% | 2457 fps | 99.5% |
| Rottweil R 903 | <<locked>> | 80% | 33,910 psi | 56% | 2372 fps | 97.8% |
| Rottweil R 907 | <<locked>> | 90% | 45,310 psi | 75% | 2559 fps | 95.4% |
| Shooters World Long Rifle | <<locked>> | 86% | 38,406 psi | 64% | 2434 fps | 95.6% |
| Shooters World Match Rifle | <<locked>> | 80% | 42,583 psi | 71% | 2526 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 38,914 psi | 65% | 2444 fps | 99.3% |
| Shooters World SW4350 | <<locked>> | 90% | 41,263 psi | 69% | 2510 fps | 95.3% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 34,998 psi | 58% | 2421 fps | 97.3% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 43,845 psi | 73% | 2536 fps | 97.8% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 42,192 psi | 70% | 2520 fps | 99% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 44,295 psi | 74% | 2461 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 36,753 psi | 61% | 2333 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 90% | 43,207 psi | 72% | 2487 fps | 95.6% |
| Somchem S321 | <<locked>> | 80% | 49,414 psi | 82% | 2631 fps | 100% |
| Somchem S335 | <<locked>> | 80% | 43,801 psi | 73% | 2461 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 43,642 psi | 73% | 2536 fps | 99.1% |
| Somchem S355 | <<locked>> | 80% | 34,940 psi | 58% | 2382 fps | 97.9% |
| Somchem S365 | <<locked>> | 80% | 25,063 psi | 42% | 2211 fps | 95.1% |
| Vihtavuori N130 | <<locked>> | 80% | 50,067 psi | 83% | 2516 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 44,672 psi | 74% | 2454 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 40,161 psi | 67% | 2441 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 40,785 psi | 68% | 2451 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 33,141 psi | 55% | 2323 fps | 98.6% |
| Vihtavuori N160 | <<locked>> | 84% | 33,634 psi | 56% | 2375 fps | 95.4% |
| Vihtavuori N530 | <<locked>> | 80% | 46,050 psi | 77% | 2556 fps | 99.9% |
| Vihtavuori N540 | <<locked>> | 80% | 39,262 psi | 65% | 2441 fps | 100% |
| Vihtavuori N550 | <<locked>> | 86% | 35,273 psi | 59% | 2425 fps | 95.8% |
| Vihtavuori N555 | <<locked>> | 92% | 31,546 psi | 52% | 2408 fps | 95.6% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 29,327 psi | 49% | 2247 fps | 95.9% |
| Winchester 748 | <<locked>> | 80% | 45,658 psi | 76% | 2598 fps | 100% |
| Winchester 760 | <<locked>> | 90% | 42,148 psi | 70% | 2585 fps | 95.4% |
| Winchester StaBALL HD | <<locked>> | 96% | 29,544 psi | 49% | 2415 fps | 96.1% |
| Winchester StaBALL Match | <<locked>> | 80% | 41,727 psi | 69% | 2526 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 x 64 Brenneke loaded with the .284 | 153gr | Peregrine Glider GRM. ReloadSwiss RS 60 delivers the highest muzzle velocity at 2,841 fps; across all powders the maximum-charge window runs from 1,647 fps to 2,841 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 153.0 gr projectile in 0.284" calls for a 1:8.0 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, ReloadSwiss RS 60 rank at the top here: for 7 x 64 Brenneke with the .284 | 153gr | Peregrine Glider GRM 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.