Load Specifications
Load data in caliber 6.5 x 57 R with .264 | 140gr | Berger LRBT Target bullet and 37 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Winchester StaBALL HD, Alliant Reloder-26 and Norma MRP.
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: 23.62"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 92% | 40,553 psi | 85% | 2503 fps | 97.8% |
| Accurate 4350 | <<locked>> | 84% | 42,134 psi | 88% | 2546 fps | 99.3% |
| Alliant Reloder-16 | <<locked>> | 84% | 41,002 psi | 86% | 2556 fps | 99.4% |
| Alliant Reloder-19 | <<locked>> | 90% | 43,105 psi | 90% | 2575 fps | 95.8% |
| Alliant Reloder-23 | <<locked>> | 94% | 40,930 psi | 86% | 2575 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 43,308 psi | 90% | 2654 fps | 99.1% |
| Alliant Reloder-26 | <<locked>> | 92% | 42,772 psi | 89% | 2680 fps | 99.4% |
| Hodgdon Hybrid 100V | <<locked>> | 86% | 40,741 psi | 85% | 2497 fps | 99.9% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 42,554 psi | 89% | 2680 fps | 96.3% |
| Hodgdon Superformance | <<locked>> | 82% | 40,335 psi | 84% | 2546 fps | 96.4% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,477 psi | 76% | 1670 fps | 100% |
| IMR 4350 | <<locked>> | 84% | 41,582 psi | 87% | 2487 fps | 96.5% |
| IMR 4831 | <<locked>> | 88% | 41,611 psi | 87% | 2520 fps | 99.3% |
| Lovex S065 | <<locked>> | 82% | 42,540 psi | 89% | 2487 fps | 98.4% |
| Lovex S070 | <<locked>> | 82% | 40,611 psi | 85% | 2467 fps | 97% |
| Lovex S071 | <<locked>> | 98% | 41,408 psi | 87% | 2520 fps | 98% |
| Norma MRP | <<locked>> | 92% | 42,351 psi | 88% | 2638 fps | 97.3% |
| Norma URP | <<locked>> | 84% | 41,872 psi | 87% | 2539 fps | 99.2% |
| Ramshot Hunter | <<locked>> | 84% | 40,640 psi | 85% | 2530 fps | 97.7% |
| Ramshot Magnum | <<locked>> | 94% | 41,307 psi | 86% | 2569 fps | 96.1% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,086 psi | 77% | 1706 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 84% | 41,945 psi | 88% | 2566 fps | 99.1% |
| ReloadSwiss RS 70 | <<locked>> | 84% | 40,683 psi | 85% | 2575 fps | 98.7% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 42,424 psi | 89% | 2677 fps | 97.4% |
| Shooters World Long Rifle | <<locked>> | 82% | 42,540 psi | 89% | 2487 fps | 98.4% |
| Shooters World SW4350 | <<locked>> | 82% | 40,611 psi | 85% | 2467 fps | 97% |
| SNPE Vectan Tubal 7000 | <<locked>> | 82% | 41,553 psi | 87% | 2431 fps | 97.1% |
| Somchem S365 | <<locked>> | 86% | 40,683 psi | 85% | 2549 fps | 100% |
| Somchem S385 | <<locked>> | 90% | 42,859 psi | 90% | 2543 fps | 96.8% |
| Unknown powder | <<locked>> | 82% | 42,105 psi | 88% | 2536 fps | 98.8% |
| Vihtavuori N150 | <<locked>> | 84% | 42,888 psi | 90% | 2470 fps | 100% |
| Vihtavuori N160 | <<locked>> | 82% | 42,380 psi | 89% | 2513 fps | 99.2% |
| Vihtavuori N165 | <<locked>> | 96% | 43,294 psi | 90% | 2543 fps | 96.5% |
| Vihtavuori N550 | <<locked>> | 82% | 42,830 psi | 89% | 2552 fps | 99.2% |
| Vihtavuori N555 | <<locked>> | 92% | 43,091 psi | 90% | 2602 fps | 99.7% |
| Winchester 6.5 StaBALL | <<locked>> | 84% | 42,627 psi | 89% | 2510 fps | 100% |
| Winchester StaBALL HD | <<locked>> | 98% | 42,032 psi | 88% | 2726 fps | 100% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 23.62"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 86% | 33,025 psi | 69% | 2343 fps | 95.4% |
| Accurate 4350 | <<locked>> | 80% | 36,898 psi | 77% | 2441 fps | 98.3% |
| Alliant Reloder-16 | <<locked>> | 80% | 35,911 psi | 75% | 2448 fps | 98.4% |
| Alliant Reloder-19 | <<locked>> | 88% | 40,393 psi | 84% | 2520 fps | 95% |
| Alliant Reloder-23 | <<locked>> | 80% | 26,368 psi | 55% | 2218 fps | 96.1% |
| Alliant Reloder-25 | <<locked>> | 90% | 31,647 psi | 66% | 2375 fps | 95.1% |
| Alliant Reloder-26 | 43.4 gr | 82% | 30,023 psi | 63% | 2375 fps | 95.4% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 33,576 psi | 70% | 2349 fps | 98.9% |
| Hodgdon Retumbo | <<locked>> | 98% | 39,929 psi | 83% | 2621 fps | 95.2% |
| Hodgdon Superformance | <<locked>> | 80% | 37,565 psi | 78% | 2487 fps | 95.4% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,311 psi | 57% | 1490 fps | 100% |
| IMR 4350 | <<locked>> | 82% | 38,986 psi | 81% | 2434 fps | 95.7% |
| IMR 4831 | <<locked>> | 80% | 32,198 psi | 67% | 2320 fps | 97% |
| Lovex S065 | <<locked>> | 80% | 39,900 psi | 83% | 2434 fps | 97.9% |
| Lovex S070 | <<locked>> | 80% | 38,072 psi | 80% | 2415 fps | 96.3% |
| Lovex S071 | <<locked>> | 90% | 32,126 psi | 67% | 2320 fps | 95% |
| Norma MRP | 45.2 gr | 88% | 37,144 psi | 78% | 2523 fps | 95.5% |
| Norma URP | <<locked>> | 80% | 36,608 psi | 76% | 2431 fps | 98.2% |
| Ramshot Hunter | <<locked>> | 80% | 35,418 psi | 74% | 2418 fps | 96.1% |
| Ramshot Magnum | <<locked>> | 92% | 38,319 psi | 80% | 2507 fps | 95% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,659 psi | 58% | 1522 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 36,390 psi | 76% | 2454 fps | 97.9% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 35,447 psi | 74% | 2457 fps | 97.3% |
| ReloadSwiss RS 76 | <<locked>> | 96% | 36,738 psi | 77% | 2543 fps | 95.1% |
| Shooters World Long Rifle | <<locked>> | 80% | 39,900 psi | 83% | 2434 fps | 97.9% |
| Shooters World SW4350 | <<locked>> | 80% | 38,072 psi | 80% | 2415 fps | 96.3% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 39,175 psi | 82% | 2385 fps | 96.5% |
| Somchem S365 | <<locked>> | 80% | 33,257 psi | 69% | 2395 fps | 99.7% |
| Somchem S385 | <<locked>> | 86% | 37,623 psi | 79% | 2438 fps | 95.2% |
| Unknown powder | <<locked>> | 80% | 39,639 psi | 83% | 2487 fps | 98.3% |
| Vihtavuori N150 | <<locked>> | 80% | 37,753 psi | 79% | 2379 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 39,682 psi | 83% | 2461 fps | 98.8% |
| Vihtavuori N165 | <<locked>> | 94% | 40,770 psi | 85% | 2493 fps | 95.8% |
| Vihtavuori N550 | <<locked>> | 80% | 40,132 psi | 84% | 2500 fps | 98.8% |
| Vihtavuori N555 | <<locked>> | 80% | 28,935 psi | 60% | 2290 fps | 96.3% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 37,260 psi | 78% | 2408 fps | 99.7% |
| Winchester StaBALL HD | 41.7 gr | 82% | 24,874 psi | 52% | 2244 fps | 95.8% |
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 61 powders for 6.5 x 57 R loaded with the .264 | 140gr | Berger LRBT Target. Winchester StaBALL HD delivers the highest muzzle velocity at 2,726 fps; across all powders the maximum-charge window runs from 1,670 fps to 2,726 fps. ADI AR 2217 gives the best case fill at 100 %, and 61 of the 61 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (330 MPa), the top charges use 72–90 %, leaving at least 10 % headroom. The 140.0 gr projectile in 0.264" calls for a 1:8.5 twist; slower twists will usually not stabilise this weight. ADI AR 2217, ADI AR 2225, Alliant Reloder-25 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. Winchester StaBALL HD, Alliant Reloder-26, Norma MRP rank at the top here: for 6.5 x 57 R with the .264 | 140gr | Berger LRBT Target they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, Accurate MAGPRO, ADI AR 2209, ADI AR 2213 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.