Load Specifications
Load data in caliber 6.5 x 52 R K&S with .264 | 125gr | Hasler ARIETE bullet and 60 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 60, Alliant Reloder-17 and Ramshot Big Game.
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 2015 | <<locked>> | 82% | 42,076 psi | 89% | 2411 fps | 100% |
| Accurate 2495 | <<locked>> | 88% | 41,626 psi | 88% | 2461 fps | 100% |
| Accurate 2520 | <<locked>> | 82% | 40,640 psi | 86% | 2461 fps | 99.4% |
| Accurate 4064 | <<locked>> | 90% | 41,698 psi | 88% | 2493 fps | 99.9% |
| Accurate 4350ᴾ | <<locked>> | 100% | 42,395 psi | 90% | 2566 fps | 96.1% |
| ADI AR 2206H | <<locked>> | 84% | 41,263 psi | 88% | 2467 fps | 97.1% |
| ADI AR 2208 | <<locked>> | 90% | 42,322 psi | 90% | 2467 fps | 96.6% |
| ADI Benchmark 8208 | <<locked>> | 82% | 40,857 psi | 87% | 2434 fps | 98.2% |
| Alliant AR-Comp | <<locked>> | 84% | 42,163 psi | 89% | 2480 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 88% | 42,569 psi | 90% | 2582 fps | 96.3% |
| Alliant Reloder- TS 15.5 | <<locked>> | 90% | 41,104 psi | 87% | 2487 fps | 98% |
| Alliant Reloder-15 | <<locked>> | 88% | 41,756 psi | 89% | 2497 fps | 96.8% |
| Alliant Reloder-17 | <<locked>> | 94% | 40,727 psi | 86% | 2556 fps | 97.4% |
| Bofors RP3 | <<locked>> | 90% | 40,335 psi | 86% | 2487 fps | 98% |
| Hodgdon BL-C2 | <<locked>> | 84% | 41,350 psi | 88% | 2493 fps | 98.8% |
| Hodgdon CFE223 | <<locked>> | 82% | 42,612 psi | 90% | 2566 fps | 96.9% |
| Hodgdon H4895 | <<locked>> | 84% | 41,582 psi | 88% | 2480 fps | 97.8% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 39,581 psi | 84% | 2470 fps | 97% |
| Hodgdon LEVERevolution | <<locked>> | 88% | 42,409 psi | 90% | 2546 fps | 98.4% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 34,548 psi | 73% | 1585 fps | 100% |
| Hodgdon VARGET | <<locked>> | 84% | 40,103 psi | 85% | 2434 fps | 97.3% |
| IMR 3031 | <<locked>> | 84% | 40,292 psi | 85% | 2484 fps | 100% |
| IMR 4064 | <<locked>> | 88% | 41,669 psi | 88% | 2451 fps | 96.7% |
| IMR 4831ᴾ | <<locked>> | 100% | 40,973 psi | 87% | 2520 fps | 95.8% |
| IMR 4895 | <<locked>> | 86% | 40,103 psi | 85% | 2480 fps | 97% |
| IMR 8208 XBR | <<locked>> | 82% | 40,857 psi | 87% | 2434 fps | 98.2% |
| Lovex D073.6 | <<locked>> | 86% | 42,061 psi | 89% | 2497 fps | 99.5% |
| Lovex S060 | <<locked>> | 84% | 42,192 psi | 90% | 2415 fps | 97.3% |
| Lovex S062 | <<locked>> | 88% | 40,930 psi | 87% | 2451 fps | 98.3% |
| Norma 201 | <<locked>> | 84% | 40,248 psi | 85% | 2421 fps | 98.1% |
| Norma 202 | <<locked>> | 84% | 40,379 psi | 86% | 2441 fps | 99.7% |
| Norma 203B | <<locked>> | 88% | 41,002 psi | 87% | 2487 fps | 97.2% |
| Ramshot Big Game | <<locked>> | 88% | 40,582 psi | 86% | 2497 fps | 96.7% |
| Ramshot Wild Boar | <<locked>> | 84% | 42,351 psi | 90% | 2497 fps | 97.3% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 34,679 psi | 74% | 1621 fps | 100% |
| ReloadSwiss RS 52 | <<locked>> | 86% | 40,683 psi | 86% | 2543 fps | 96.4% |
| ReloadSwiss RS 60 | <<locked>> | 92% | 40,901 psi | 87% | 2575 fps | 99.4% |
| Rottweil R 901 | <<locked>> | 82% | 41,597 psi | 88% | 2428 fps | 99.6% |
| Rottweil R 902 | <<locked>> | 86% | 40,785 psi | 87% | 2425 fps | 98.2% |
| Rottweil R 903 | <<locked>> | 92% | 40,219 psi | 85% | 2474 fps | 97.7% |
| Shooters World Match Rifle | <<locked>> | 86% | 42,061 psi | 89% | 2497 fps | 99.5% |
| Shooters World Precision | <<locked>> | 88% | 40,930 psi | 87% | 2451 fps | 98.3% |
| SNPE Vectan SP 11 | <<locked>> | 92% | 41,916 psi | 89% | 2530 fps | 97.2% |
| SNPE Vectan SP 9 | <<locked>> | 86% | 42,395 psi | 90% | 2487 fps | 97.4% |
| SNPE Vectan Tubal 3000 | <<locked>> | 84% | 42,438 psi | 90% | 2395 fps | 99.8% |
| SNPE Vectan Tubal 5000 | <<locked>> | 90% | 41,814 psi | 89% | 2398 fps | 100% |
| Somchem S335 | <<locked>> | 84% | 41,466 psi | 88% | 2395 fps | 99.9% |
| Somchem S341 | <<locked>> | 84% | 40,814 psi | 87% | 2448 fps | 96.9% |
| Somchem S355 | <<locked>> | 92% | 41,582 psi | 88% | 2487 fps | 97.7% |
| Somchem S365ᴾ | <<locked>> | 100% | 38,232 psi | 81% | 2513 fps | 98.2% |
| Vihtavuori N133 | <<locked>> | 84% | 42,438 psi | 90% | 2395 fps | 100% |
| Vihtavuori N135 | <<locked>> | 88% | 42,076 psi | 89% | 2461 fps | 100% |
| Vihtavuori N140 | <<locked>> | 86% | 40,480 psi | 86% | 2421 fps | 99.8% |
| Vihtavuori N150 | <<locked>> | 94% | 42,250 psi | 90% | 2474 fps | 98.9% |
| Vihtavuori N160 | <<locked>> | 98% | 42,656 psi | 90% | 2516 fps | 95.8% |
| Vihtavuori N530 | <<locked>> | 82% | 40,741 psi | 86% | 2428 fps | 98.2% |
| Vihtavuori N540 | <<locked>> | 88% | 41,887 psi | 89% | 2464 fps | 99.7% |
| Winchester 6.5 StaBALL | <<locked>> | 96% | 41,147 psi | 87% | 2461 fps | 97.4% |
| Winchester 748 | <<locked>> | 84% | 42,337 psi | 90% | 2516 fps | 99.2% |
| Winchester StaBALL Match | <<locked>> | 86% | 41,321 psi | 88% | 2487 fps | 97.7% |
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 2015 | <<locked>> | 80% | 39,450 psi | 84% | 2369 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 32,169 psi | 68% | 2283 fps | 99.9% |
| Accurate 2520 | <<locked>> | 80% | 38,072 psi | 81% | 2411 fps | 99% |
| Accurate 4064 | <<locked>> | 80% | 30,443 psi | 65% | 2264 fps | 98.2% |
| Accurate 4350 | <<locked>> | 98% | 39,537 psi | 84% | 2510 fps | 95.3% |
| ADI AR 2206H | <<locked>> | 80% | 36,419 psi | 77% | 2369 fps | 95.7% |
| ADI AR 2208 | <<locked>> | 86% | 37,347 psi | 79% | 2369 fps | 95.1% |
| ADI Benchmark 8208 | <<locked>> | 80% | 38,392 psi | 81% | 2385 fps | 97.6% |
| Alliant AR-Comp | <<locked>> | 80% | 36,753 psi | 78% | 2388 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 86% | 39,624 psi | 84% | 2520 fps | 95.3% |
| Alliant Reloder- TS 15.5 | <<locked>> | 82% | 31,778 psi | 67% | 2290 fps | 95.2% |
| Alliant Reloder-15 | <<locked>> | 84% | 36,825 psi | 78% | 2398 fps | 95.3% |
| Alliant Reloder-17 | 33.2 gr | 90% | 35,723 psi | 76% | 2444 fps | 95.6% |
| Bofors RP3 | <<locked>> | 82% | 31,038 psi | 66% | 2287 fps | 95.1% |
| Hodgdon BL-C2 | <<locked>> | 80% | 36,100 psi | 77% | 2392 fps | 97.7% |
| Hodgdon CFE223 | <<locked>> | 80% | 39,624 psi | 84% | 2507 fps | 96.1% |
| Hodgdon H4895 | <<locked>> | 80% | 36,622 psi | 78% | 2379 fps | 96.5% |
| Hodgdon Hybrid 100V | <<locked>> | 96% | 34,896 psi | 74% | 2372 fps | 95.4% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 32,518 psi | 69% | 2333 fps | 95.4% |
| Hodgdon TrailBoss | <<locked>> | 80% | 25,556 psi | 54% | 1414 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 35,331 psi | 75% | 2336 fps | 95.9% |
| IMR 3031 | <<locked>> | 80% | 35,143 psi | 75% | 2385 fps | 99.9% |
| IMR 4064 | <<locked>> | 84% | 36,724 psi | 78% | 2352 fps | 95.3% |
| IMR 4831 | <<locked>> | 98% | 38,435 psi | 82% | 2470 fps | 95% |
| IMR 4895 | <<locked>> | 82% | 35,288 psi | 75% | 2379 fps | 95.5% |
| IMR 8208 XBR | <<locked>> | 80% | 38,392 psi | 81% | 2385 fps | 97.6% |
| Lovex D073.6 | <<locked>> | 80% | 34,301 psi | 73% | 2346 fps | 98.2% |
| Lovex S060 | <<locked>> | 80% | 37,275 psi | 79% | 2320 fps | 96% |
| Lovex S062 | <<locked>> | 80% | 32,053 psi | 68% | 2264 fps | 95.8% |
| Norma 201 | <<locked>> | 80% | 35,766 psi | 76% | 2333 fps | 97% |
| Norma 202 | <<locked>> | 80% | 35,534 psi | 75% | 2346 fps | 99% |
| Norma 203B | <<locked>> | 84% | 36,143 psi | 77% | 2388 fps | 95.7% |
| Ramshot Big Game | 31.5 gr | 84% | 35,607 psi | 76% | 2392 fps | 95.1% |
| Ramshot Wild Boar | <<locked>> | 80% | 37,101 psi | 79% | 2392 fps | 95.9% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 25,802 psi | 55% | 1450 fps | 100% |
| ReloadSwiss RS 52 | <<locked>> | 84% | 37,753 psi | 80% | 2480 fps | 95.5% |
| ReloadSwiss RS 60 | 30.3 gr | 82% | 29,602 psi | 63% | 2297 fps | 95.5% |
| Rottweil R 901 | <<locked>> | 80% | 39,436 psi | 84% | 2385 fps | 99.4% |
| Rottweil R 902 | <<locked>> | 80% | 34,011 psi | 72% | 2287 fps | 96.4% |
| Rottweil R 903 | <<locked>> | 86% | 33,054 psi | 70% | 2326 fps | 95.5% |
| Shooters World Match Rifle | <<locked>> | 80% | 34,301 psi | 73% | 2346 fps | 98.2% |
| Shooters World Precision | <<locked>> | 80% | 32,053 psi | 68% | 2264 fps | 95.8% |
| SNPE Vectan SP 11 | <<locked>> | 88% | 37,043 psi | 79% | 2431 fps | 95.7% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 34,911 psi | 74% | 2336 fps | 95.1% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 37,275 psi | 79% | 2303 fps | 99.2% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 30,429 psi | 65% | 2175 fps | 98.6% |
| Somchem S335 | <<locked>> | 80% | 36,956 psi | 78% | 2310 fps | 99.6% |
| Somchem S341 | <<locked>> | 80% | 35,650 psi | 76% | 2346 fps | 95.3% |
| Somchem S355 | <<locked>> | 86% | 34,374 psi | 73% | 2339 fps | 95.7% |
| Somchem S365 | <<locked>> | 94% | 31,691 psi | 67% | 2359 fps | 95.8% |
| Vihtavuori N133 | <<locked>> | 80% | 37,289 psi | 79% | 2306 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 32,474 psi | 69% | 2280 fps | 99.9% |
| Vihtavuori N140 | <<locked>> | 80% | 33,707 psi | 72% | 2290 fps | 98.9% |
| Vihtavuori N150 | <<locked>> | 82% | 28,906 psi | 61% | 2195 fps | 95.1% |
| Vihtavuori N160 | <<locked>> | 96% | 40,016 psi | 85% | 2467 fps | 95% |
| Vihtavuori N530 | <<locked>> | 80% | 38,174 psi | 81% | 2379 fps | 97.7% |
| Vihtavuori N540 | <<locked>> | 80% | 32,329 psi | 69% | 2274 fps | 98.1% |
| Winchester 6.5 StaBALL | <<locked>> | 92% | 36,201 psi | 77% | 2359 fps | 95.9% |
| Winchester 748 | <<locked>> | 80% | 36,883 psi | 78% | 2411 fps | 98.2% |
| Winchester StaBALL Match | <<locked>> | 80% | 33,895 psi | 72% | 2336 fps | 95.6% |
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 60 powders for 6.5 x 52 R K&S loaded with the .264 | 125gr | Hasler ARIETE. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 2,582 fps; across all powders the maximum-charge window runs from 1,585 fps to 2,582 fps. Accurate 4350 gives the best case fill at 100 %, and 60 of the 60 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (325 MPa), the top charges use 73–90 %, leaving at least 10 % headroom. The 125.0 gr projectile in 0.264" calls for a 1:8.0 twist; slower twists will usually not stabilise this weight. Accurate 4350, Hodgdon Hybrid 100V, Hodgdon TrailBoss 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. ReloadSwiss RS 60, Alliant Reloder-17, Ramshot Big Game rank at the top here: for 6.5 x 52 R K&S with the .264 | 125gr | Hasler ARIETE 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.