Load Specifications
Load data in caliber 6.5 x 58 mm Mauser Port. with .264 | 75gr | Reichenberg Spezial Jagd bullet and 43 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 60, IMR 3031 and Winchester 748.
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>> | 86% | 44,280 psi | 86% | 3245 fps | 99.8% |
| Accurate 2460 | <<locked>> | 84% | 45,629 psi | 89% | 3291 fps | 98.3% |
| Accurate 2495 | <<locked>> | 92% | 43,613 psi | 85% | 3278 fps | 99.8% |
| Accurate 2520 | <<locked>> | 88% | 46,543 psi | 90% | 3346 fps | 98.2% |
| Accurate 4064 | <<locked>> | 96% | 46,557 psi | 90% | 3363 fps | 99% |
| ADI Benchmark 8208 | <<locked>> | 88% | 46,093 psi | 90% | 3307 fps | 96.3% |
| Alliant AR-Comp | <<locked>> | 88% | 44,280 psi | 86% | 3333 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 96% | 46,180 psi | 90% | 3350 fps | 96% |
| Alliant Reloder-10x | <<locked>> | 82% | 44,193 psi | 86% | 3268 fps | 100% |
| Bofors RP3 | <<locked>> | 96% | 45,788 psi | 89% | 3350 fps | 96% |
| Hodgdon Benchmark | <<locked>> | 86% | 45,629 psi | 89% | 3255 fps | 96.9% |
| Hodgdon BL-C2 | <<locked>> | 88% | 44,005 psi | 85% | 3310 fps | 96.5% |
| Hodgdon H322 | <<locked>> | 84% | 46,122 psi | 90% | 3340 fps | 99.2% |
| Hodgdon H335 | <<locked>> | 82% | 44,034 psi | 86% | 3284 fps | 98.2% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 33,620 psi | 65% | 2195 fps | 100% |
| IMR 3031 | <<locked>> | 90% | 45,107 psi | 88% | 3376 fps | 99.6% |
| IMR 4198 | <<locked>> | 82% | 45,208 psi | 88% | 3251 fps | 100% |
| IMR 8208 XBR | <<locked>> | 88% | 46,093 psi | 90% | 3307 fps | 96.3% |
| Lovex D073.5 | <<locked>> | 84% | 45,440 psi | 88% | 3284 fps | 97.2% |
| Lovex D073.6 | <<locked>> | 90% | 44,715 psi | 87% | 3317 fps | 97.8% |
| Lovex S062 | <<locked>> | 94% | 45,992 psi | 89% | 3314 fps | 96.5% |
| Norma 201 | <<locked>> | 90% | 45,353 psi | 88% | 3291 fps | 96.2% |
| Norma 202 | <<locked>> | 90% | 45,339 psi | 88% | 3314 fps | 98.5% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 33,692 psi | 65% | 2244 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 84% | 45,527 psi | 88% | 3297 fps | 97.6% |
| ReloadSwiss RS 60 | <<locked>> | 96% | 43,729 psi | 85% | 3379 fps | 97% |
| Rottweil R 901 | <<locked>> | 88% | 46,311 psi | 90% | 3304 fps | 98.4% |
| Rottweil R 902 | <<locked>> | 92% | 45,614 psi | 89% | 3284 fps | 96.2% |
| Shooters World Match Rifle | <<locked>> | 90% | 44,715 psi | 87% | 3317 fps | 97.8% |
| Shooters World Precision | <<locked>> | 94% | 45,992 psi | 89% | 3314 fps | 96.5% |
| SNPE Vectan SP 3 | <<locked>> | 82% | 44,860 psi | 87% | 3281 fps | 99.5% |
| SNPE Vectan Tubal 3000 | <<locked>> | 88% | 44,541 psi | 87% | 3205 fps | 98.2% |
| SNPE Vectan Tubal 5000 | <<locked>> | 94% | 44,092 psi | 86% | 3199 fps | 99% |
| Somchem S321 | <<locked>> | 84% | 43,555 psi | 85% | 3268 fps | 96% |
| Somchem S335 | <<locked>> | 88% | 43,801 psi | 85% | 3205 fps | 98.8% |
| Vihtavuori N130 | <<locked>> | 84% | 44,585 psi | 87% | 3209 fps | 100% |
| Vihtavuori N133 | <<locked>> | 88% | 44,338 psi | 86% | 3215 fps | 99.7% |
| Vihtavuori N135 | <<locked>> | 92% | 44,048 psi | 86% | 3287 fps | 99.8% |
| Vihtavuori N140 | <<locked>> | 92% | 45,788 psi | 89% | 3287 fps | 98.8% |
| Vihtavuori N150 | <<locked>> | 98% | 45,092 psi | 88% | 3278 fps | 96.8% |
| Vihtavuori N530 | <<locked>> | 88% | 46,151 psi | 90% | 3301 fps | 96.4% |
| Vihtavuori N540 | <<locked>> | 92% | 44,454 psi | 86% | 3271 fps | 98.2% |
| Winchester 748 | <<locked>> | 88% | 44,643 psi | 87% | 3337 fps | 97% |
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% | 36,434 psi | 71% | 3061 fps | 98.6% |
| Accurate 2460 | <<locked>> | 80% | 39,537 psi | 77% | 3150 fps | 96.9% |
| Accurate 2495 | <<locked>> | 80% | 28,892 psi | 56% | 2897 fps | 96.5% |
| Accurate 2520 | <<locked>> | 82% | 37,463 psi | 73% | 3133 fps | 95.7% |
| Accurate 4064 | <<locked>> | 86% | 33,504 psi | 65% | 3048 fps | 95.6% |
| ADI Benchmark 8208 | <<locked>> | 86% | 43,105 psi | 84% | 3238 fps | 95.5% |
| Alliant AR-Comp | <<locked>> | 80% | 33,518 psi | 65% | 3081 fps | 99.7% |
| Alliant Reloder- TS 15.5 | <<locked>> | 94% | 43,105 psi | 84% | 3281 fps | 95.1% |
| Alliant Reloder-10x | <<locked>> | 80% | 41,524 psi | 81% | 3205 fps | 99.9% |
| Bofors RP3 | <<locked>> | 94% | 42,989 psi | 83% | 3287 fps | 95.2% |
| Hodgdon Benchmark | <<locked>> | 82% | 40,321 psi | 78% | 3127 fps | 95.3% |
| Hodgdon BL-C2 | <<locked>> | 86% | 41,089 psi | 80% | 3241 fps | 95.6% |
| Hodgdon H322 | <<locked>> | 80% | 40,089 psi | 78% | 3202 fps | 98.1% |
| Hodgdon H335 | <<locked>> | 80% | 40,930 psi | 79% | 3212 fps | 97.5% |
| Hodgdon TrailBoss | <<locked>> | 80% | 24,729 psi | 48% | 1965 fps | 100% |
| IMR 3031 | 37.4 gr | 80% | 32,111 psi | 62% | 3045 fps | 96.5% |
| IMR 4198 | <<locked>> | 80% | 42,409 psi | 82% | 3192 fps | 100% |
| IMR 8208 XBR | <<locked>> | 86% | 43,105 psi | 84% | 3238 fps | 95.5% |
| Lovex D073.5 | <<locked>> | 80% | 39,407 psi | 77% | 3143 fps | 95.4% |
| Lovex D073.6 | <<locked>> | 84% | 36,216 psi | 70% | 3110 fps | 95.2% |
| Lovex S062 | <<locked>> | 92% | 43,294 psi | 84% | 3255 fps | 95.7% |
| Norma 201 | <<locked>> | 88% | 42,395 psi | 82% | 3222 fps | 95.4% |
| Norma 202 | <<locked>> | 82% | 34,882 psi | 68% | 3054 fps | 95.6% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 24,918 psi | 48% | 2011 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 39,798 psi | 77% | 3166 fps | 96.1% |
| ReloadSwiss RS 60 | 47.7 gr | 94% | 40,959 psi | 80% | 3304 fps | 96% |
| Rottweil R 901 | <<locked>> | 80% | 36,448 psi | 71% | 3064 fps | 95.8% |
| Rottweil R 902 | <<locked>> | 90% | 42,975 psi | 83% | 3225 fps | 95.5% |
| Shooters World Match Rifle | <<locked>> | 84% | 36,216 psi | 70% | 3110 fps | 95.2% |
| Shooters World Precision | <<locked>> | 92% | 43,294 psi | 84% | 3255 fps | 95.7% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 42,119 psi | 82% | 3222 fps | 99.1% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 34,708 psi | 67% | 2966 fps | 95.5% |
| SNPE Vectan Tubal 5000 | <<locked>> | 84% | 31,966 psi | 62% | 2904 fps | 95.8% |
| Somchem S321 | <<locked>> | 82% | 40,741 psi | 79% | 3199 fps | 95.1% |
| Somchem S335 | <<locked>> | 80% | 34,040 psi | 66% | 2963 fps | 96.3% |
| Vihtavuori N130 | <<locked>> | 80% | 39,421 psi | 77% | 3097 fps | 99.6% |
| Vihtavuori N133 | <<locked>> | 80% | 34,577 psi | 67% | 2986 fps | 98.1% |
| Vihtavuori N135 | <<locked>> | 80% | 29,588 psi | 57% | 2917 fps | 96.7% |
| Vihtavuori N140 | <<locked>> | 82% | 32,895 psi | 64% | 2976 fps | 95.3% |
| Vihtavuori N150 | <<locked>> | 94% | 39,508 psi | 77% | 3150 fps | 95.1% |
| Vihtavuori N530 | <<locked>> | 86% | 43,047 psi | 84% | 3232 fps | 95.6% |
| Vihtavuori N540 | <<locked>> | 84% | 34,011 psi | 66% | 3012 fps | 95.1% |
| Winchester 748 | 42.5 gr | 84% | 38,957 psi | 76% | 3199 fps | 95.2% |
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 43 powders for 6.5 x 58 mm Mauser Port. loaded with the .264 | 75gr | Reichenberg Spezial Jagd. ReloadSwiss RS 60 delivers the highest muzzle velocity at 3,379 fps; across all powders the maximum-charge window runs from 2,195 fps to 3,379 fps. Hodgdon TrailBoss gives the best case fill at 100 %, and 43 of the 43 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (355 MPa), the top charges use 65–90 %, leaving at least 10 % headroom. 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. ReloadSwiss RS 60, IMR 3031, Winchester 748 rank at the top here: for 6.5 x 58 mm Mauser Port. with the .264 | 75gr | Reichenberg Spezial Jagd 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.