Load Specifications
Load data in caliber 6.5 Creedmoor with .264 | 130gr | Barnes X S bullet and 95 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 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: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 82% | 55,245 psi | 88% | 2618 fps | 100% |
| Accurate 2495 | <<locked>> | 86% | 55,550 psi | 88% | 2661 fps | 100% |
| Accurate 2520 | <<locked>> | 82% | 55,782 psi | 88% | 2710 fps | 100% |
| Accurate 2700 | <<locked>> | 88% | 56,159 psi | 89% | 2694 fps | 97.4% |
| Accurate 3100ᴾ | <<locked>> | 100% | 44,875 psi | 71% | 2615 fps | 97% |
| Accurate 4064 | <<locked>> | 88% | 55,158 psi | 87% | 2703 fps | 100% |
| Accurate 4350 | <<locked>> | 96% | 53,998 psi | 86% | 2782 fps | 99.6% |
| ADI AR 2206H | <<locked>> | 84% | 54,041 psi | 86% | 2720 fps | 100% |
| ADI AR 2208 | <<locked>> | 90% | 54,897 psi | 87% | 2720 fps | 99.9% |
| ADI Benchmark 8208 | <<locked>> | 84% | 56,101 psi | 89% | 2717 fps | 100% |
| Alliant AR-Comp | <<locked>> | 82% | 53,940 psi | 85% | 2648 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 88% | 56,724 psi | 90% | 2884 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 90% | 55,332 psi | 88% | 2746 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 88% | 55,477 psi | 88% | 2762 fps | 99.9% |
| Alliant Reloder-16 | <<locked>> | 98% | 54,230 psi | 86% | 2825 fps | 99.9% |
| Alliant Reloder-17 | <<locked>> | 94% | 55,593 psi | 88% | 2861 fps | 100% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 42,467 psi | 67% | 2641 fps | 99.5% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 47,137 psi | 75% | 2795 fps | 98.9% |
| Baschieri & Pellagri 107 | <<locked>> | 86% | 56,985 psi | 90% | 2782 fps | 99.9% |
| Bofors RP3 | <<locked>> | 90% | 56,144 psi | 89% | 2762 fps | 100% |
| Bofors RP7 | <<locked>> | 94% | 55,898 psi | 89% | 2730 fps | 97.6% |
| Hodgdon Benchmark | <<locked>> | 82% | 54,389 psi | 86% | 2651 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 84% | 56,014 psi | 89% | 2753 fps | 100% |
| Hodgdon H380 | <<locked>> | 90% | 56,565 psi | 90% | 2769 fps | 99.6% |
| Hodgdon H414 | <<locked>> | 96% | 56,115 psi | 89% | 2825 fps | 98.3% |
| Hodgdon H4350 | <<locked>> | 94% | 56,594 psi | 90% | 2782 fps | 97.1% |
| Hodgdon H4895 | <<locked>> | 84% | 54,549 psi | 86% | 2730 fps | 100% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 54,215 psi | 86% | 2756 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 86% | 53,693 psi | 85% | 2759 fps | 100% |
| Hodgdon Superformance | <<locked>> | 96% | 56,579 psi | 90% | 2858 fps | 98% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,289 psi | 58% | 1667 fps | 100% |
| Hodgdon VARGET | <<locked>> | 86% | 55,550 psi | 88% | 2730 fps | 100% |
| IMR 3031 | <<locked>> | 84% | 54,708 psi | 87% | 2710 fps | 100% |
| IMR 4064 | <<locked>> | 88% | 54,302 psi | 86% | 2700 fps | 99.9% |
| IMR 4166 Enduron | <<locked>> | 86% | 53,969 psi | 86% | 2677 fps | 97.8% |
| IMR 4350 | <<locked>> | 98% | 55,579 psi | 88% | 2749 fps | 97.6% |
| IMR 4451 Enduron | <<locked>> | 94% | 57,058 psi | 90% | 2753 fps | 98.2% |
| IMR 4831 | <<locked>> | 98% | 54,259 psi | 86% | 2772 fps | 99.7% |
| IMR 4895 | <<locked>> | 88% | 56,898 psi | 90% | 2789 fps | 100% |
| IMR 8208 XBR | <<locked>> | 84% | 56,101 psi | 89% | 2717 fps | 100% |
| Lovex D073.6 | <<locked>> | 84% | 54,186 psi | 86% | 2700 fps | 100% |
| Lovex S060 | <<locked>> | 86% | 56,608 psi | 90% | 2694 fps | 100% |
| Lovex S062 | <<locked>> | 88% | 54,723 psi | 87% | 2703 fps | 100% |
| Lovex S065 | <<locked>> | 94% | 53,809 psi | 85% | 2707 fps | 98.8% |
| Lovex S070 | <<locked>> | 96% | 54,636 psi | 87% | 2740 fps | 98.2% |
| Norma 201 | <<locked>> | 86% | 56,681 psi | 90% | 2717 fps | 100% |
| Norma 202 | <<locked>> | 86% | 56,869 psi | 90% | 2717 fps | 100% |
| Norma 203B | <<locked>> | 88% | 54,766 psi | 87% | 2749 fps | 100% |
| Norma 204 | <<locked>> | 98% | 56,231 psi | 89% | 2799 fps | 96.5% |
| Norma MRPᴾ | <<locked>> | 100% | 47,123 psi | 75% | 2753 fps | 96.4% |
| Norma URP | <<locked>> | 98% | 56,014 psi | 89% | 2815 fps | 99.8% |
| Ramshot Big Game | <<locked>> | 88% | 55,042 psi | 87% | 2772 fps | 100% |
| Ramshot Hunter | <<locked>> | 98% | 54,462 psi | 86% | 2808 fps | 98.7% |
| Ramshot TAC | <<locked>> | 84% | 56,144 psi | 89% | 2736 fps | 99.2% |
| Ramshot Wild Boar | <<locked>> | 84% | 56,086 psi | 89% | 2756 fps | 100% |
| Ramshot X-Terminator | <<locked>> | 82% | 56,811 psi | 90% | 2717 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,637 psi | 58% | 1703 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 90% | 56,884 psi | 90% | 2753 fps | 98.7% |
| ReloadSwiss RS 52 | <<locked>> | 86% | 56,057 psi | 89% | 2828 fps | 99.9% |
| ReloadSwiss RS 60 | <<locked>> | 92% | 55,259 psi | 88% | 2858 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 98% | 56,492 psi | 90% | 2844 fps | 99.7% |
| ReloadSwiss RS 70 | <<locked>> | 98% | 55,941 psi | 89% | 2874 fps | 99.6% |
| Rottweil R 901 | <<locked>> | 82% | 54,897 psi | 87% | 2657 fps | 100% |
| Rottweil R 902 | <<locked>> | 86% | 54,114 psi | 86% | 2674 fps | 100% |
| Rottweil R 903 | <<locked>> | 92% | 55,941 psi | 89% | 2753 fps | 100% |
| Rottweil R 907 | <<locked>> | 94% | 55,898 psi | 89% | 2730 fps | 97.6% |
| Shooters World Long Rifle | <<locked>> | 94% | 53,809 psi | 85% | 2707 fps | 98.8% |
| Shooters World Match Rifle | <<locked>> | 84% | 54,186 psi | 86% | 2700 fps | 100% |
| Shooters World Precision | <<locked>> | 88% | 54,723 psi | 87% | 2703 fps | 100% |
| Shooters World SW4350 | <<locked>> | 96% | 54,636 psi | 87% | 2740 fps | 98.2% |
| SNPE Vectan SP 11 | <<locked>> | 92% | 56,826 psi | 90% | 2805 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 84% | 55,419 psi | 88% | 2723 fps | 99.4% |
| SNPE Vectan SP 9 | <<locked>> | 86% | 55,695 psi | 88% | 2740 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 84% | 54,404 psi | 86% | 2608 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 90% | 54,302 psi | 86% | 2608 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 94% | 54,027 psi | 86% | 2661 fps | 97.8% |
| Somchem S335 | <<locked>> | 84% | 53,867 psi | 85% | 2608 fps | 100% |
| Somchem S341 | <<locked>> | 84% | 54,665 psi | 87% | 2710 fps | 100% |
| Somchem S355 | <<locked>> | 92% | 56,159 psi | 89% | 2749 fps | 100% |
| Somchem S365ᴾ | <<locked>> | 100% | 54,114 psi | 86% | 2818 fps | 100% |
| Somchem S385ᴾ | <<locked>> | 100% | 50,560 psi | 80% | 2707 fps | 96.6% |
| Vihtavuori N133 | <<locked>> | 84% | 54,563 psi | 86% | 2592 fps | 100% |
| Vihtavuori N135 | <<locked>> | 88% | 56,768 psi | 90% | 2677 fps | 100% |
| Vihtavuori N140 | <<locked>> | 88% | 57,043 psi | 90% | 2690 fps | 100% |
| Vihtavuori N150 | <<locked>> | 92% | 53,853 psi | 85% | 2677 fps | 100% |
| Vihtavuori N160 | <<locked>> | 96% | 54,926 psi | 87% | 2759 fps | 99.6% |
| Vihtavuori N530 | <<locked>> | 84% | 56,666 psi | 90% | 2717 fps | 100% |
| Vihtavuori N540 | <<locked>> | 88% | 55,550 psi | 88% | 2694 fps | 100% |
| Vihtavuori N550 | <<locked>> | 96% | 54,157 psi | 86% | 2766 fps | 99.5% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 46,905 psi | 74% | 2720 fps | 99.4% |
| Winchester 6.5 StaBALL | <<locked>> | 96% | 54,679 psi | 87% | 2733 fps | 100% |
| Winchester 748 | <<locked>> | 84% | 56,681 psi | 90% | 2762 fps | 100% |
| Winchester 760 | <<locked>> | 96% | 56,115 psi | 89% | 2825 fps | 98.3% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 38,334 psi | 61% | 2661 fps | 99.6% |
| Winchester StaBALL Match | <<locked>> | 86% | 55,666 psi | 88% | 2749 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% | 52,199 psi | 83% | 2579 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 46,470 psi | 74% | 2533 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 52,286 psi | 83% | 2664 fps | 100% |
| Accurate 2700 | <<locked>> | 82% | 46,630 psi | 74% | 2539 fps | 95.4% |
| Accurate 3100 | <<locked>> | 96% | 39,624 psi | 63% | 2516 fps | 95.6% |
| Accurate 4064 | <<locked>> | 80% | 43,801 psi | 69% | 2533 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 32,460 psi | 51% | 2372 fps | 95.1% |
| ADI AR 2206H | <<locked>> | 80% | 48,037 psi | 76% | 2621 fps | 99.6% |
| ADI AR 2208 | <<locked>> | 80% | 40,959 psi | 65% | 2480 fps | 98.2% |
| ADI Benchmark 8208 | <<locked>> | 80% | 49,835 psi | 79% | 2621 fps | 100% |
| Alliant AR-Comp | <<locked>> | 80% | 50,821 psi | 81% | 2605 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 43,874 psi | 70% | 2664 fps | 98.8% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 41,234 psi | 65% | 2510 fps | 99.4% |
| Alliant Reloder-15 | <<locked>> | 80% | 43,845 psi | 69% | 2566 fps | 98.9% |
| Alliant Reloder-16 | <<locked>> | 82% | 34,243 psi | 54% | 2425 fps | 95.8% |
| Alliant Reloder-17 | 36 gr | 80% | 35,665 psi | 57% | 2490 fps | 98.1% |
| Alliant Reloder-23 | <<locked>> | 88% | 30,110 psi | 48% | 2346 fps | 95.7% |
| Alliant Reloder-26 | <<locked>> | 92% | 36,390 psi | 58% | 2562 fps | 95.8% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 47,036 psi | 75% | 2625 fps | 99% |
| Bofors RP3 | <<locked>> | 80% | 41,365 psi | 66% | 2523 fps | 99.5% |
| Bofors RP7 | <<locked>> | 86% | 44,164 psi | 70% | 2533 fps | 95% |
| Hodgdon Benchmark | <<locked>> | 80% | 51,474 psi | 82% | 2608 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 80% | 49,429 psi | 78% | 2654 fps | 100% |
| Hodgdon H380 | <<locked>> | 80% | 41,843 psi | 66% | 2523 fps | 97.5% |
| Hodgdon H414 | <<locked>> | 88% | 43,511 psi | 69% | 2612 fps | 95.7% |
| Hodgdon H4350 | <<locked>> | 88% | 47,268 psi | 75% | 2628 fps | 95.1% |
| Hodgdon H4895 | <<locked>> | 80% | 48,457 psi | 77% | 2635 fps | 99.9% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 29,994 psi | 48% | 2283 fps | 96% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 44,338 psi | 70% | 2608 fps | 99.8% |
| Hodgdon Superformance | <<locked>> | 90% | 46,108 psi | 73% | 2680 fps | 95.7% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,209 psi | 43% | 1490 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 46,282 psi | 73% | 2582 fps | 99.7% |
| IMR 3031 | <<locked>> | 80% | 48,559 psi | 77% | 2625 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 43,018 psi | 68% | 2513 fps | 98.8% |
| IMR 4166 Enduron | <<locked>> | 80% | 45,179 psi | 72% | 2526 fps | 96% |
| IMR 4350 | <<locked>> | 90% | 43,976 psi | 70% | 2556 fps | 95% |
| IMR 4451 Enduron | <<locked>> | 84% | 42,815 psi | 68% | 2510 fps | 95.2% |
| IMR 4831 | <<locked>> | 82% | 33,214 psi | 53% | 2375 fps | 95.5% |
| IMR 4895 | <<locked>> | 80% | 44,846 psi | 71% | 2595 fps | 99.4% |
| IMR 8208 XBR | <<locked>> | 80% | 49,835 psi | 79% | 2621 fps | 100% |
| Lovex D073.6 | <<locked>> | 80% | 48,095 psi | 76% | 2612 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 47,674 psi | 76% | 2556 fps | 99.6% |
| Lovex S062 | <<locked>> | 80% | 43,511 psi | 69% | 2523 fps | 99.8% |
| Lovex S065 | <<locked>> | 82% | 38,247 psi | 61% | 2421 fps | 95.5% |
| Lovex S070 | <<locked>> | 86% | 41,002 psi | 65% | 2500 fps | 95.1% |
| Norma 201 | <<locked>> | 80% | 47,674 psi | 76% | 2582 fps | 100% |
| Norma 202 | <<locked>> | 80% | 47,718 psi | 76% | 2582 fps | 100% |
| Norma 203B | <<locked>> | 80% | 43,236 psi | 69% | 2556 fps | 99.2% |
| Norma 204 | <<locked>> | 96% | 52,620 psi | 83% | 2743 fps | 95.7% |
| Norma MRP | <<locked>> | 98% | 44,222 psi | 70% | 2697 fps | 95.5% |
| Norma URP | <<locked>> | 82% | 34,403 psi | 55% | 2415 fps | 95.7% |
| Ramshot Big Game | <<locked>> | 80% | 42,772 psi | 68% | 2572 fps | 99% |
| Ramshot Hunter | <<locked>> | 88% | 40,176 psi | 64% | 2549 fps | 95.6% |
| Ramshot TAC | <<locked>> | 80% | 49,748 psi | 79% | 2635 fps | 98.4% |
| Ramshot Wild Boar | <<locked>> | 80% | 49,588 psi | 79% | 2657 fps | 99.8% |
| Ramshot X-Terminator | <<locked>> | 80% | 53,505 psi | 85% | 2667 fps | 99.9% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,601 psi | 44% | 1526 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 41,843 psi | 66% | 2500 fps | 95.8% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 46,064 psi | 73% | 2667 fps | 99.2% |
| ReloadSwiss RS 60 | 36 gr | 80% | 37,782 psi | 60% | 2549 fps | 99.9% |
| ReloadSwiss RS 62 | <<locked>> | 82% | 34,026 psi | 54% | 2434 fps | 95.3% |
| ReloadSwiss RS 70 | 38.4 gr | 84% | 35,911 psi | 57% | 2484 fps | 95% |
| Rottweil R 901 | <<locked>> | 80% | 51,953 psi | 82% | 2615 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 45,498 psi | 72% | 2536 fps | 99.9% |
| Rottweil R 903 | <<locked>> | 80% | 38,899 psi | 62% | 2467 fps | 98.9% |
| Rottweil R 907 | <<locked>> | 86% | 44,164 psi | 70% | 2533 fps | 95% |
| Shooters World Long Rifle | <<locked>> | 82% | 38,247 psi | 61% | 2421 fps | 95.5% |
| Shooters World Match Rifle | <<locked>> | 80% | 48,095 psi | 76% | 2612 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 43,511 psi | 69% | 2523 fps | 99.8% |
| Shooters World SW4350 | <<locked>> | 86% | 41,002 psi | 65% | 2500 fps | 95.1% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 39,175 psi | 62% | 2507 fps | 98.4% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 48,573 psi | 77% | 2615 fps | 98.6% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 46,296 psi | 73% | 2592 fps | 99.5% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 48,182 psi | 76% | 2520 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 40,495 psi | 64% | 2398 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 86% | 42,395 psi | 67% | 2467 fps | 95.3% |
| Somchem S335 | <<locked>> | 80% | 48,298 psi | 77% | 2526 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 47,892 psi | 76% | 2608 fps | 99.6% |
| Somchem S355 | <<locked>> | 80% | 39,668 psi | 63% | 2474 fps | 98.9% |
| Somchem S365 | <<locked>> | 80% | 29,341 psi | 47% | 2326 fps | 97.3% |
| Somchem S385 | <<locked>> | 96% | 44,585 psi | 71% | 2605 fps | 95.2% |
| Vihtavuori N133 | <<locked>> | 80% | 48,356 psi | 77% | 2507 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 44,744 psi | 71% | 2507 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 44,962 psi | 71% | 2516 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 37,492 psi | 59% | 2405 fps | 99.4% |
| Vihtavuori N160 | <<locked>> | 80% | 33,576 psi | 53% | 2362 fps | 95.3% |
| Vihtavuori N530 | <<locked>> | 80% | 50,227 psi | 80% | 2621 fps | 100% |
| Vihtavuori N540 | <<locked>> | 80% | 43,656 psi | 69% | 2513 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 33,359 psi | 53% | 2372 fps | 95% |
| Vihtavuori N555 | <<locked>> | 86% | 30,748 psi | 49% | 2375 fps | 95.1% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 33,170 psi | 53% | 2339 fps | 97.4% |
| Winchester 748 | <<locked>> | 80% | 49,908 psi | 79% | 2667 fps | 100% |
| Winchester 760 | <<locked>> | 86% | 41,176 psi | 65% | 2562 fps | 95% |
| Winchester StaBALL HD | <<locked>> | 90% | 28,703 psi | 45% | 2372 fps | 95.3% |
| Winchester StaBALL Match | <<locked>> | 80% | 46,079 psi | 73% | 2602 fps | 99.7% |
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 95 powders for 6.5 Creedmoor loaded with the .264 | 130gr | Barnes X S. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 2,884 fps; across all powders the maximum-charge window runs from 1,667 fps to 2,884 fps. Accurate 3100 gives the best case fill at 100 %, and 95 of the 95 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (435 MPa), the top charges use 58–90 %, leaving at least 10 % headroom. The 130.0 gr projectile in 0.264" calls for a 1:9.5 twist; slower twists will usually not stabilise this weight. Accurate 3100, 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, ReloadSwiss RS 70 rank at the top here: for 6.5 Creedmoor with the .264 | 130gr | Barnes X S 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.