Load Specifications
Load data in caliber 6.5 x 52 R K&S with .264 | 139gr | Fox Classic Hunter bullet and 66 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 SNPE Vectan SP 11.
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 2495 | <<locked>> | 88% | 42,467 psi | 90% | 2339 fps | 100% |
| Accurate 2520 | <<locked>> | 82% | 42,134 psi | 89% | 2352 fps | 99.9% |
| Accurate 4064 | <<locked>> | 88% | 39,943 psi | 85% | 2333 fps | 100% |
| Accurate 4350 | <<locked>> | 98% | 41,133 psi | 87% | 2415 fps | 97% |
| ADI AR 2206H | <<locked>> | 84% | 42,221 psi | 90% | 2356 fps | 98.3% |
| ADI AR 2208 | <<locked>> | 88% | 40,756 psi | 86% | 2313 fps | 97.3% |
| ADI Benchmark 8208 | <<locked>> | 82% | 41,727 psi | 89% | 2320 fps | 99.1% |
| Alliant AR-Comp | <<locked>> | 82% | 40,785 psi | 87% | 2316 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 86% | 40,944 psi | 87% | 2428 fps | 97.1% |
| Alliant Reloder- TS 15.5 | <<locked>> | 90% | 42,438 psi | 90% | 2379 fps | 99% |
| Alliant Reloder-15 | <<locked>> | 86% | 40,248 psi | 85% | 2343 fps | 97.4% |
| Alliant Reloder-16 | <<locked>> | 98% | 41,901 psi | 89% | 2425 fps | 97.2% |
| Alliant Reloder-17 | <<locked>> | 94% | 42,076 psi | 89% | 2457 fps | 98.7% |
| Baschieri & Pellagri 107 | <<locked>> | 84% | 41,350 psi | 88% | 2359 fps | 97.1% |
| Bofors RP3 | <<locked>> | 90% | 41,713 psi | 88% | 2382 fps | 99% |
| Hodgdon BL-C2 | <<locked>> | 82% | 39,972 psi | 85% | 2339 fps | 99.2% |
| Hodgdon H380 | <<locked>> | 88% | 40,335 psi | 86% | 2336 fps | 96.1% |
| Hodgdon H4895 | <<locked>> | 84% | 42,525 psi | 90% | 2365 fps | 98.8% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 40,857 psi | 87% | 2372 fps | 98.4% |
| Hodgdon LEVERevolution | <<locked>> | 86% | 40,843 psi | 87% | 2388 fps | 98.9% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 34,534 psi | 73% | 1490 fps | 100% |
| Hodgdon VARGET | <<locked>> | 84% | 41,089 psi | 87% | 2326 fps | 98.5% |
| IMR 3031 | <<locked>> | 84% | 41,800 psi | 89% | 2369 fps | 100% |
| IMR 4064 | <<locked>> | 86% | 40,408 psi | 86% | 2300 fps | 97.5% |
| IMR 4831ᴾ | <<locked>> | 100% | 42,627 psi | 90% | 2421 fps | 97.4% |
| IMR 4895 | <<locked>> | 86% | 41,220 psi | 87% | 2372 fps | 98.2% |
| IMR 8208 XBR | <<locked>> | 82% | 41,727 psi | 89% | 2320 fps | 99.1% |
| Lovex D073.6 | <<locked>> | 84% | 40,553 psi | 86% | 2336 fps | 99.8% |
| Lovex S060 | <<locked>> | 82% | 40,611 psi | 86% | 2260 fps | 97.9% |
| Lovex S062 | <<locked>> | 88% | 42,308 psi | 90% | 2346 fps | 99.2% |
| Norma 201 | <<locked>> | 84% | 41,249 psi | 88% | 2313 fps | 99.1% |
| Norma 202 | <<locked>> | 84% | 41,655 psi | 88% | 2329 fps | 100% |
| Norma 203B | <<locked>> | 88% | 42,264 psi | 90% | 2379 fps | 98.4% |
| Norma URP | <<locked>> | 98% | 41,626 psi | 88% | 2411 fps | 96.9% |
| Ramshot Big Game | <<locked>> | 88% | 41,771 psi | 89% | 2392 fps | 98.1% |
| Ramshot Wild Boar | <<locked>> | 82% | 41,002 psi | 87% | 2343 fps | 98% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 34,693 psi | 74% | 1526 fps | 100% |
| ReloadSwiss RS 52 | <<locked>> | 86% | 42,134 psi | 89% | 2438 fps | 97.9% |
| ReloadSwiss RS 60 | <<locked>> | 92% | 42,148 psi | 89% | 2470 fps | 99.9% |
| ReloadSwiss RS 62 | <<locked>> | 98% | 41,220 psi | 87% | 2434 fps | 96.6% |
| ReloadSwiss RS 70 | <<locked>> | 98% | 42,656 psi | 90% | 2451 fps | 95.9% |
| Rottweil R 901 | <<locked>> | 82% | 42,279 psi | 90% | 2306 fps | 100% |
| Rottweil R 902 | <<locked>> | 86% | 41,843 psi | 89% | 2320 fps | 99.1% |
| Rottweil R 903 | <<locked>> | 92% | 41,626 psi | 88% | 2372 fps | 98.8% |
| Shooters World Match Rifle | <<locked>> | 84% | 40,553 psi | 86% | 2336 fps | 99.8% |
| Shooters World Precision | <<locked>> | 88% | 42,308 psi | 90% | 2346 fps | 99.2% |
| SNPE Vectan SP 11 | <<locked>> | 90% | 40,814 psi | 87% | 2382 fps | 97.9% |
| SNPE Vectan SP 7 | <<locked>> | 84% | 42,380 psi | 90% | 2343 fps | 96.4% |
| SNPE Vectan SP 9 | <<locked>> | 84% | 40,959 psi | 87% | 2333 fps | 98% |
| SNPE Vectan Tubal 3000 | <<locked>> | 82% | 40,596 psi | 86% | 2238 fps | 99.9% |
| SNPE Vectan Tubal 5000 | <<locked>> | 88% | 40,451 psi | 86% | 2244 fps | 100% |
| Somchem S335 | <<locked>> | 84% | 42,554 psi | 90% | 2283 fps | 100% |
| Somchem S341 | <<locked>> | 84% | 42,148 psi | 89% | 2346 fps | 98.2% |
| Somchem S355 | <<locked>> | 90% | 40,147 psi | 85% | 2333 fps | 98.3% |
| Somchem S365ᴾ | <<locked>> | 100% | 39,566 psi | 84% | 2415 fps | 99.3% |
| Vihtavuori N133 | <<locked>> | 82% | 40,770 psi | 86% | 2238 fps | 100% |
| Vihtavuori N135 | <<locked>> | 86% | 40,698 psi | 86% | 2300 fps | 100% |
| Vihtavuori N140 | <<locked>> | 86% | 41,930 psi | 89% | 2313 fps | 100% |
| Vihtavuori N150 | <<locked>> | 92% | 40,988 psi | 87% | 2323 fps | 99.4% |
| Vihtavuori N160 | <<locked>> | 96% | 41,278 psi | 88% | 2369 fps | 96.7% |
| Vihtavuori N530 | <<locked>> | 82% | 42,047 psi | 89% | 2323 fps | 99.2% |
| Vihtavuori N540 | <<locked>> | 86% | 40,103 psi | 85% | 2303 fps | 99.9% |
| Vihtavuori N550 | <<locked>> | 96% | 40,161 psi | 85% | 2369 fps | 96.2% |
| Winchester 6.5 StaBALL | <<locked>> | 96% | 42,221 psi | 90% | 2359 fps | 98.7% |
| Winchester 748 | <<locked>> | 82% | 40,944 psi | 87% | 2359 fps | 99.5% |
| Winchester StaBALL Match | <<locked>> | 84% | 40,030 psi | 85% | 2336 fps | 98.4% |
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 2495 | <<locked>> | 80% | 32,648 psi | 69% | 2172 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 39,001 psi | 83% | 2300 fps | 99.7% |
| Accurate 4064 | <<locked>> | 80% | 30,908 psi | 66% | 2159 fps | 99.1% |
| Accurate 4350 | <<locked>> | 94% | 35,534 psi | 75% | 2310 fps | 95.3% |
| ADI AR 2206H | <<locked>> | 80% | 37,333 psi | 79% | 2264 fps | 97.2% |
| ADI AR 2208 | <<locked>> | 82% | 33,721 psi | 72% | 2175 fps | 95.1% |
| ADI Benchmark 8208 | <<locked>> | 80% | 39,421 psi | 84% | 2280 fps | 98.7% |
| Alliant AR-Comp | <<locked>> | 80% | 38,305 psi | 81% | 2277 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 82% | 35,955 psi | 76% | 2323 fps | 95.4% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 30,501 psi | 65% | 2142 fps | 96% |
| Alliant Reloder-15 | <<locked>> | 80% | 33,272 psi | 71% | 2201 fps | 95.2% |
| Alliant Reloder-16 | <<locked>> | 94% | 37,159 psi | 79% | 2329 fps | 95.6% |
| Alliant Reloder-17 | 30.7 gr | 86% | 32,140 psi | 68% | 2244 fps | 95.6% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 35,969 psi | 76% | 2257 fps | 95.5% |
| Bofors RP3 | <<locked>> | 80% | 29,791 psi | 63% | 2142 fps | 95.8% |
| Hodgdon BL-C2 | <<locked>> | 80% | 37,028 psi | 79% | 2287 fps | 98.8% |
| Hodgdon H380 | <<locked>> | 86% | 37,724 psi | 80% | 2287 fps | 95.3% |
| Hodgdon H4895 | <<locked>> | 80% | 37,594 psi | 80% | 2277 fps | 97.8% |
| Hodgdon Hybrid 100V | <<locked>> | 92% | 31,560 psi | 67% | 2182 fps | 95.5% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 33,518 psi | 71% | 2241 fps | 97.1% |
| Hodgdon TrailBoss | <<locked>> | 80% | 25,585 psi | 54% | 1329 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 36,289 psi | 77% | 2234 fps | 97.4% |
| IMR 3031 | <<locked>> | 80% | 36,216 psi | 77% | 2274 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 33,344 psi | 71% | 2162 fps | 95.3% |
| IMR 4831 | <<locked>> | 94% | 34,737 psi | 74% | 2274 fps | 95% |
| IMR 4895 | <<locked>> | 80% | 34,011 psi | 72% | 2228 fps | 96.3% |
| IMR 8208 XBR | <<locked>> | 80% | 39,421 psi | 84% | 2280 fps | 98.7% |
| Lovex D073.6 | <<locked>> | 80% | 35,360 psi | 75% | 2244 fps | 99.2% |
| Lovex S060 | <<locked>> | 80% | 38,058 psi | 81% | 2215 fps | 97.3% |
| Lovex S062 | <<locked>> | 80% | 32,677 psi | 69% | 2162 fps | 97.2% |
| Norma 201 | <<locked>> | 80% | 36,448 psi | 77% | 2224 fps | 98.2% |
| Norma 202 | <<locked>> | 80% | 36,434 psi | 77% | 2238 fps | 99.7% |
| Norma 203B | <<locked>> | 80% | 32,619 psi | 69% | 2192 fps | 95.7% |
| Norma URP | <<locked>> | 94% | 36,767 psi | 78% | 2320 fps | 95.4% |
| Ramshot Big Game | <<locked>> | 80% | 31,908 psi | 68% | 2192 fps | 95% |
| Ramshot Wild Boar | <<locked>> | 80% | 38,058 psi | 81% | 2290 fps | 97.3% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 25,817 psi | 55% | 1365 fps | 100% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 34,301 psi | 73% | 2280 fps | 95.6% |
| ReloadSwiss RS 60 | 28.6 gr | 80% | 28,268 psi | 60% | 2152 fps | 96.4% |
| ReloadSwiss RS 62 | <<locked>> | 96% | 38,551 psi | 82% | 2382 fps | 95.8% |
| ReloadSwiss RS 70 | <<locked>> | 96% | 39,987 psi | 85% | 2398 fps | 95% |
| Rottweil R 901 | <<locked>> | 80% | 39,914 psi | 85% | 2267 fps | 99.8% |
| Rottweil R 902 | <<locked>> | 80% | 34,592 psi | 73% | 2182 fps | 97.7% |
| Rottweil R 903 | <<locked>> | 82% | 29,704 psi | 63% | 2133 fps | 95.4% |
| Shooters World Match Rifle | <<locked>> | 80% | 35,360 psi | 75% | 2244 fps | 99.2% |
| Shooters World Precision | <<locked>> | 80% | 32,677 psi | 69% | 2162 fps | 97.2% |
| SNPE Vectan SP 11 | 29.6 gr | 84% | 33,591 psi | 71% | 2234 fps | 95.8% |
| SNPE Vectan SP 7 | <<locked>> | 82% | 39,624 psi | 84% | 2293 fps | 95.7% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 35,955 psi | 76% | 2238 fps | 96.7% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 38,305 psi | 81% | 2198 fps | 99.8% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 31,314 psi | 66% | 2080 fps | 99.4% |
| Somchem S335 | <<locked>> | 80% | 37,710 psi | 80% | 2201 fps | 99.9% |
| Somchem S341 | <<locked>> | 80% | 36,608 psi | 78% | 2244 fps | 96.8% |
| Somchem S355 | <<locked>> | 82% | 30,995 psi | 66% | 2146 fps | 95.6% |
| Somchem S365 | <<locked>> | 90% | 28,689 psi | 61% | 2172 fps | 95.9% |
| Vihtavuori N133 | <<locked>> | 80% | 38,464 psi | 82% | 2198 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 33,576 psi | 71% | 2178 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 34,577 psi | 73% | 2185 fps | 99.6% |
| Vihtavuori N150 | <<locked>> | 80% | 27,673 psi | 59% | 2054 fps | 95.9% |
| Vihtavuori N160 | <<locked>> | 92% | 36,477 psi | 77% | 2277 fps | 95.2% |
| Vihtavuori N530 | <<locked>> | 80% | 39,291 psi | 83% | 2274 fps | 98.8% |
| Vihtavuori N540 | <<locked>> | 80% | 33,199 psi | 70% | 2172 fps | 99.1% |
| Vihtavuori N550 | <<locked>> | 94% | 37,608 psi | 80% | 2320 fps | 95.4% |
| Winchester 6.5 StaBALL | <<locked>> | 88% | 32,503 psi | 69% | 2169 fps | 95.9% |
| Winchester 748 | <<locked>> | 80% | 37,898 psi | 80% | 2306 fps | 99.1% |
| Winchester StaBALL Match | <<locked>> | 80% | 34,722 psi | 74% | 2231 fps | 97% |
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 66 powders for 6.5 x 52 R K&S loaded with the .264 | 139gr | Fox Classic Hunter. ReloadSwiss RS 60 delivers the highest muzzle velocity at 2,470 fps; across all powders the maximum-charge window runs from 1,490 fps to 2,470 fps. Hodgdon Hybrid 100V gives the best case fill at 100 %, and 66 of the 66 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 139.0 gr projectile in 0.264" calls for a 1:8.0 twist; slower twists will usually not stabilise this weight. Hodgdon Hybrid 100V, Hodgdon TrailBoss, IMR 4831 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, SNPE Vectan SP 11 rank at the top here: for 6.5 x 52 R K&S with the .264 | 139gr | Fox Classic Hunter 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.