Load Specifications
Load data in caliber 6.5 x 58 R with .264 | 123gr | Lapua Scenar bullet and 26 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Accurate 4064, Vihtavuori N135 and Accurate 2495.
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% | 35,969 psi | 89% | 2231 fps | 99.7% |
| Accurate 2495 | <<locked>> | 90% | 36,318 psi | 89% | 2303 fps | 99.9% |
| Accurate 2520 | <<locked>> | 84% | 36,042 psi | 89% | 2293 fps | 97.5% |
| Accurate 4064 | <<locked>> | 92% | 36,448 psi | 90% | 2326 fps | 98.6% |
| Alliant AR-Comp | <<locked>> | 84% | 35,085 psi | 86% | 2290 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 86% | 36,695 psi | 90% | 2326 fps | 96.5% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 33,446 psi | 82% | 1493 fps | 100% |
| IMR 3031 | <<locked>> | 86% | 35,549 psi | 88% | 2320 fps | 99.4% |
| Lovex D073.6 | <<locked>> | 86% | 34,867 psi | 86% | 2283 fps | 97.2% |
| Lovex S062 | <<locked>> | 90% | 36,637 psi | 90% | 2283 fps | 95.8% |
| Norma 201 | <<locked>> | 86% | 36,376 psi | 90% | 2260 fps | 95.7% |
| Norma 202 | <<locked>> | 86% | 36,405 psi | 90% | 2283 fps | 98.2% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 33,591 psi | 83% | 1529 fps | 100% |
| Rottweil R 901 | <<locked>> | 82% | 35,752 psi | 88% | 2231 fps | 97.7% |
| Rottweil R 902 | <<locked>> | 88% | 36,593 psi | 90% | 2257 fps | 95.7% |
| Shooters World Match Rifle | <<locked>> | 86% | 34,867 psi | 86% | 2283 fps | 97.2% |
| Shooters World Precision | <<locked>> | 90% | 36,637 psi | 90% | 2283 fps | 95.8% |
| SNPE Vectan Tubal 3000 | <<locked>> | 84% | 36,666 psi | 90% | 2208 fps | 98.1% |
| SNPE Vectan Tubal 5000 | <<locked>> | 90% | 35,317 psi | 87% | 2201 fps | 98.7% |
| Somchem S335 | <<locked>> | 84% | 35,824 psi | 88% | 2211 fps | 98.6% |
| Vihtavuori N133 | <<locked>> | 84% | 36,448 psi | 90% | 2215 fps | 99.7% |
| Vihtavuori N135 | <<locked>> | 88% | 35,056 psi | 86% | 2267 fps | 99.7% |
| Vihtavuori N140 | <<locked>> | 88% | 36,550 psi | 90% | 2270 fps | 98.5% |
| Vihtavuori N150 | <<locked>> | 94% | 35,128 psi | 87% | 2254 fps | 95.8% |
| Vihtavuori N540 | <<locked>> | 88% | 34,911 psi | 86% | 2254 fps | 97.6% |
| Winchester 748 | <<locked>> | 84% | 35,259 psi | 87% | 2293 fps | 96.3% |
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% | 33,634 psi | 83% | 2185 fps | 99.4% |
| Accurate 2495 | 23 gr | 80% | 26,092 psi | 64% | 2080 fps | 97.9% |
| Accurate 2520 | <<locked>> | 80% | 31,560 psi | 78% | 2201 fps | 96.1% |
| Accurate 4064 | 23.6 gr | 82% | 26,455 psi | 65% | 2100 fps | 95.3% |
| Alliant AR-Comp | <<locked>> | 80% | 30,980 psi | 76% | 2208 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 84% | 34,360 psi | 85% | 2277 fps | 95.7% |
| Hodgdon TrailBoss | <<locked>> | 80% | 24,656 psi | 61% | 1329 fps | 100% |
| IMR 3031 | <<locked>> | 80% | 29,385 psi | 72% | 2178 fps | 97.9% |
| Lovex D073.6 | <<locked>> | 82% | 30,139 psi | 74% | 2178 fps | 95.5% |
| Lovex S062 | <<locked>> | 88% | 34,737 psi | 86% | 2244 fps | 95.2% |
| Norma 201 | <<locked>> | 84% | 34,447 psi | 85% | 2221 fps | 95% |
| Norma 202 | <<locked>> | 80% | 29,878 psi | 74% | 2142 fps | 96.2% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 24,903 psi | 61% | 1368 fps | 100% |
| Rottweil R 901 | <<locked>> | 80% | 33,518 psi | 83% | 2185 fps | 97.1% |
| Rottweil R 902 | <<locked>> | 86% | 34,708 psi | 85% | 2221 fps | 95.1% |
| Shooters World Match Rifle | <<locked>> | 82% | 30,139 psi | 74% | 2178 fps | 95.5% |
| Shooters World Precision | <<locked>> | 88% | 34,737 psi | 86% | 2244 fps | 95.2% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 32,111 psi | 79% | 2113 fps | 96.8% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 26,005 psi | 64% | 1991 fps | 95.6% |
| Somchem S335 | <<locked>> | 80% | 31,546 psi | 78% | 2123 fps | 97.6% |
| Vihtavuori N133 | <<locked>> | 80% | 31,894 psi | 79% | 2126 fps | 99% |
| Vihtavuori N135 | 22.2 gr | 80% | 26,948 psi | 66% | 2087 fps | 98% |
| Vihtavuori N140 | <<locked>> | 80% | 28,485 psi | 70% | 2093 fps | 96% |
| Vihtavuori N150 | <<locked>> | 92% | 33,243 psi | 82% | 2215 fps | 95.2% |
| Vihtavuori N540 | <<locked>> | 82% | 28,863 psi | 71% | 2116 fps | 95.5% |
| Winchester 748 | <<locked>> | 82% | 33,054 psi | 81% | 2244 fps | 95.4% |
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 26 powders for 6.5 x 58 R loaded with the .264 | 123gr | Lapua Scenar. Accurate 4064 delivers the highest muzzle velocity at 2,326 fps; across all powders the maximum-charge window runs from 1,493 fps to 2,326 fps. Hodgdon TrailBoss gives the best case fill at 100 %, and 26 of the 26 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (280 MPa), the top charges use 82–90 %, leaving at least 10 % headroom. The 123.0 gr projectile in 0.264" calls for a 1:9.0 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. Accurate 4064, Vihtavuori N135, Accurate 2495 rank at the top here: for 6.5 x 58 R with the .264 | 123gr | Lapua Scenar 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.