Load Specifications
Load data in caliber 6.5 x 58 R with .264 | 139gr | Norma PlastSpitz bullet and 30 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 60, Bofors RP3 and Alliant Reloder- TS 15.5.
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>> | 86% | 36,535 psi | 90% | 2162 fps | 100% |
| Accurate 4064 | <<locked>> | 88% | 36,332 psi | 89% | 2182 fps | 99.5% |
| ADI AR 2206H | <<locked>> | 82% | 36,434 psi | 90% | 2152 fps | 95.8% |
| Alliant Reloder- TS 15.5 | <<locked>> | 88% | 36,143 psi | 89% | 2175 fps | 96.9% |
| Bofors RP3 | <<locked>> | 88% | 35,360 psi | 87% | 2172 fps | 96.8% |
| Hodgdon BL-C2 | <<locked>> | 82% | 36,201 psi | 89% | 2178 fps | 97.8% |
| Hodgdon H4895 | <<locked>> | 82% | 36,637 psi | 90% | 2162 fps | 96.6% |
| Hodgdon LEVERevolution | <<locked>> | 84% | 34,867 psi | 86% | 2175 fps | 96.4% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 34,069 psi | 84% | 1407 fps | 100% |
| Hodgdon VARGET | <<locked>> | 82% | 35,694 psi | 88% | 2129 fps | 96.1% |
| IMR 3031 | <<locked>> | 82% | 35,259 psi | 87% | 2172 fps | 99.9% |
| Lovex D073.6 | <<locked>> | 82% | 34,563 psi | 85% | 2139 fps | 98.4% |
| Lovex S062 | <<locked>> | 86% | 36,318 psi | 89% | 2146 fps | 97.3% |
| Norma 201 | <<locked>> | 82% | 35,853 psi | 88% | 2119 fps | 97.1% |
| Norma 202 | <<locked>> | 82% | 35,578 psi | 88% | 2133 fps | 99.1% |
| Norma 203B | <<locked>> | 86% | 36,071 psi | 89% | 2172 fps | 95.8% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 34,316 psi | 85% | 1444 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 90% | 36,027 psi | 89% | 2244 fps | 98.3% |
| Rottweil R 902 | <<locked>> | 84% | 36,114 psi | 89% | 2119 fps | 97.2% |
| Rottweil R 903 | <<locked>> | 90% | 35,302 psi | 87% | 2165 fps | 96.4% |
| Shooters World Match Rifle | <<locked>> | 82% | 34,563 psi | 85% | 2139 fps | 98.4% |
| Shooters World Precision | <<locked>> | 86% | 36,318 psi | 89% | 2146 fps | 97.3% |
| SNPE Vectan Tubal 5000 | <<locked>> | 86% | 34,679 psi | 85% | 2060 fps | 99.5% |
| Somchem S355 | <<locked>> | 90% | 36,593 psi | 90% | 2172 fps | 96.5% |
| Somchem S365ᴾ | <<locked>> | 100% | 35,810 psi | 88% | 2238 fps | 97.4% |
| Vihtavuori N135 | <<locked>> | 84% | 34,882 psi | 86% | 2119 fps | 100% |
| Vihtavuori N140 | <<locked>> | 84% | 36,158 psi | 89% | 2126 fps | 99.4% |
| Vihtavuori N150 | <<locked>> | 90% | 34,925 psi | 86% | 2123 fps | 97.4% |
| Vihtavuori N540 | <<locked>> | 84% | 34,679 psi | 85% | 2116 fps | 98.8% |
| Winchester StaBALL Match | <<locked>> | 84% | 36,506 psi | 90% | 2175 fps | 96.5% |
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% | 29,805 psi | 73% | 2034 fps | 99.7% |
| Accurate 4064 | <<locked>> | 80% | 28,224 psi | 70% | 2014 fps | 97.7% |
| ADI AR 2206H | <<locked>> | 80% | 34,185 psi | 84% | 2106 fps | 95% |
| Alliant Reloder- TS 15.5 | 24.3 gr | 84% | 31,705 psi | 78% | 2083 fps | 95.4% |
| Bofors RP3 | 25 gr | 84% | 30,951 psi | 76% | 2083 fps | 95.2% |
| Hodgdon BL-C2 | <<locked>> | 80% | 33,968 psi | 84% | 2136 fps | 97.2% |
| Hodgdon H4895 | <<locked>> | 80% | 34,330 psi | 85% | 2116 fps | 95.8% |
| Hodgdon LEVERevolution | <<locked>> | 82% | 32,750 psi | 81% | 2129 fps | 95.6% |
| Hodgdon TrailBoss | <<locked>> | 80% | 25,179 psi | 62% | 1253 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 33,475 psi | 82% | 2083 fps | 95.4% |
| IMR 3031 | <<locked>> | 80% | 32,924 psi | 81% | 2126 fps | 99.7% |
| Lovex D073.6 | <<locked>> | 80% | 32,300 psi | 80% | 2096 fps | 97.8% |
| Lovex S062 | <<locked>> | 80% | 30,255 psi | 75% | 2018 fps | 95.2% |
| Norma 201 | <<locked>> | 80% | 33,591 psi | 83% | 2073 fps | 96.4% |
| Norma 202 | <<locked>> | 80% | 33,678 psi | 83% | 2096 fps | 98.7% |
| Norma 203B | <<locked>> | 84% | 33,808 psi | 83% | 2126 fps | 95% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 25,527 psi | 63% | 1289 fps | 100% |
| ReloadSwiss RS 60 | 25.9 gr | 84% | 29,646 psi | 73% | 2090 fps | 95.6% |
| Rottweil R 902 | <<locked>> | 80% | 32,097 psi | 79% | 2037 fps | 95.9% |
| Rottweil R 903 | <<locked>> | 88% | 33,025 psi | 81% | 2119 fps | 95.6% |
| Shooters World Match Rifle | <<locked>> | 80% | 32,300 psi | 80% | 2096 fps | 97.8% |
| Shooters World Precision | <<locked>> | 80% | 30,255 psi | 75% | 2018 fps | 95.2% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 29,022 psi | 71% | 1946 fps | 98.3% |
| Somchem S355 | <<locked>> | 86% | 32,518 psi | 80% | 2090 fps | 95.1% |
| Somchem S365 | <<locked>> | 96% | 31,633 psi | 78% | 2146 fps | 95.8% |
| Vihtavuori N135 | <<locked>> | 80% | 30,748 psi | 76% | 2041 fps | 99.8% |
| Vihtavuori N140 | <<locked>> | 80% | 31,720 psi | 78% | 2041 fps | 98.5% |
| Vihtavuori N150 | <<locked>> | 84% | 29,008 psi | 71% | 1998 fps | 95.3% |
| Vihtavuori N540 | <<locked>> | 80% | 30,516 psi | 75% | 2031 fps | 97.7% |
| Winchester StaBALL Match | <<locked>> | 82% | 33,924 psi | 84% | 2126 fps | 95.7% |
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 30 powders for 6.5 x 58 R loaded with the .264 | 139gr | Norma PlastSpitz. ReloadSwiss RS 60 delivers the highest muzzle velocity at 2,244 fps; across all powders the maximum-charge window runs from 1,407 fps to 2,244 fps. Hodgdon TrailBoss gives the best case fill at 100 %, and 30 of the 30 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (280 MPa), the top charges use 84–90 %, leaving at least 10 % headroom. The 139.0 gr projectile in 0.264" calls for a 1:10.0 twist; slower twists will usually not stabilise this weight. Hodgdon TrailBoss, ReloadSwiss RS 14, Somchem S365 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, Bofors RP3, Alliant Reloder- TS 15.5 rank at the top here: for 6.5 x 58 R with the .264 | 139gr | Norma PlastSpitz 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.