Load Specifications
Load data in caliber 6.5 x 70 R with .264 | 100gr | Barnes TAC-TX BT bullet and 24 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant AR-Comp, Accurate 2495 and IMR 3031.
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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Max Load - Barrel Length: 25.6"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 88% | 36,100 psi | 89% | 2533 fps | 98.8% |
| Accurate 2460 | <<locked>> | 86% | 36,332 psi | 89% | 2556 fps | 96.2% |
| Accurate 2495 | <<locked>> | 96% | 34,867 psi | 86% | 2585 fps | 98.9% |
| Accurate 4064 | <<locked>> | 98% | 34,940 psi | 86% | 2598 fps | 96.7% |
| ADI AR 2219 | <<locked>> | 82% | 36,448 psi | 90% | 2575 fps | 97.5% |
| Alliant AR-Comp | <<locked>> | 90% | 35,186 psi | 87% | 2598 fps | 100% |
| Alliant Reloder-10x | <<locked>> | 82% | 34,461 psi | 85% | 2510 fps | 99.2% |
| Hodgdon H322 | <<locked>> | 84% | 35,694 psi | 88% | 2556 fps | 97.2% |
| Hodgdon H335 | <<locked>> | 84% | 36,100 psi | 89% | 2569 fps | 96.3% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 32,256 psi | 79% | 1680 fps | 100% |
| IMR 3031 | <<locked>> | 92% | 35,882 psi | 88% | 2625 fps | 98.2% |
| IMR 4198 | <<locked>> | 82% | 36,376 psi | 90% | 2503 fps | 99.8% |
| Norma 202 | <<locked>> | 92% | 36,550 psi | 90% | 2582 fps | 96.5% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 32,097 psi | 79% | 1719 fps | 100% |
| Rottweil R 901 | <<locked>> | 88% | 35,665 psi | 88% | 2526 fps | 95.9% |
| SNPE Vectan SP 3 | <<locked>> | 82% | 35,027 psi | 86% | 2510 fps | 97.9% |
| SNPE Vectan Tubal 3000 | <<locked>> | 88% | 35,172 psi | 87% | 2457 fps | 95.9% |
| SNPE Vectan Tubal 5000 | <<locked>> | 96% | 36,172 psi | 89% | 2497 fps | 97.3% |
| Somchem S335 | <<locked>> | 90% | 35,940 psi | 89% | 2500 fps | 97.2% |
| Vihtavuori N130 | <<locked>> | 84% | 35,215 psi | 87% | 2470 fps | 99.2% |
| Vihtavuori N133 | <<locked>> | 90% | 36,695 psi | 90% | 2513 fps | 98.8% |
| Vihtavuori N135 | <<locked>> | 94% | 34,621 psi | 85% | 2559 fps | 98.7% |
| Vihtavuori N140 | <<locked>> | 94% | 36,738 psi | 90% | 2562 fps | 96.9% |
| Vihtavuori N540 | <<locked>> | 94% | 35,578 psi | 88% | 2552 fps | 95.9% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 25.6"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 80% | 27,630 psi | 68% | 2329 fps | 96.3% |
| Accurate 2460 | <<locked>> | 84% | 34,026 psi | 84% | 2507 fps | 95.4% |
| Accurate 2495 | 25.6 gr | 86% | 24,569 psi | 61% | 2326 fps | 95.5% |
| Accurate 4064 | <<locked>> | 94% | 30,574 psi | 75% | 2497 fps | 95.1% |
| ADI AR 2219 | <<locked>> | 80% | 34,156 psi | 84% | 2523 fps | 96.8% |
| Alliant AR-Comp | 23.6 gr | 80% | 25,570 psi | 63% | 2343 fps | 97.9% |
| Alliant Reloder-10x | <<locked>> | 80% | 32,242 psi | 79% | 2457 fps | 98.8% |
| Hodgdon H322 | <<locked>> | 80% | 31,299 psi | 77% | 2451 fps | 95.7% |
| Hodgdon H335 | <<locked>> | 82% | 33,547 psi | 83% | 2510 fps | 95.4% |
| Hodgdon TrailBoss | <<locked>> | 80% | 23,496 psi | 58% | 1496 fps | 100% |
| IMR 3031 | 24.7 gr | 84% | 27,644 psi | 68% | 2408 fps | 95% |
| IMR 4198 | <<locked>> | 80% | 34,418 psi | 85% | 2461 fps | 99.6% |
| Norma 202 | <<locked>> | 88% | 32,082 psi | 79% | 2480 fps | 95% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 23,511 psi | 58% | 1535 fps | 100% |
| Rottweil R 901 | <<locked>> | 86% | 33,460 psi | 82% | 2474 fps | 95.1% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 33,098 psi | 82% | 2464 fps | 97.4% |
| SNPE Vectan Tubal 3000 | <<locked>> | 86% | 32,909 psi | 81% | 2408 fps | 95.1% |
| SNPE Vectan Tubal 5000 | <<locked>> | 90% | 29,791 psi | 73% | 2349 fps | 95.1% |
| Somchem S335 | <<locked>> | 84% | 29,762 psi | 73% | 2356 fps | 95% |
| Vihtavuori N130 | <<locked>> | 80% | 31,227 psi | 77% | 2379 fps | 98.3% |
| Vihtavuori N133 | <<locked>> | 80% | 27,079 psi | 67% | 2283 fps | 95.8% |
| Vihtavuori N135 | <<locked>> | 84% | 25,121 psi | 62% | 2306 fps | 95.2% |
| Vihtavuori N140 | <<locked>> | 90% | 32,387 psi | 80% | 2464 fps | 95.4% |
| Vihtavuori N540 | <<locked>> | 92% | 33,417 psi | 82% | 2503 fps | 95.2% |
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 24 powders for 6.5 x 70 R loaded with the .264 | 100gr | Barnes TAC-TX BT. IMR 3031 delivers the highest muzzle velocity at 2,625 fps; across all powders the maximum-charge window runs from 1,680 fps to 2,625 fps. Hodgdon TrailBoss gives the best case fill at 100 %, and 24 of the 24 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (280 MPa), the top charges use 79–90 %, leaving at least 10 % headroom. The 100.0 gr projectile in 0.264" calls for a 1:9.5 twist; slower twists will usually not stabilise this weight. Hodgdon TrailBoss, ReloadSwiss RS 14 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 AR-Comp, Accurate 2495, IMR 3031 rank at the top here: for 6.5 x 70 R with the .264 | 100gr | Barnes TAC-TX BT 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.