Load Specifications
Load data in caliber 6.5 Weatherby RPM with .264 | 100gr | Fox Classic Hunter bullet and 85 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant Reloder-26, Norma MRP and Vihtavuori N560.
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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You can find more information in our FAQ: How can I use the Personalized Load Calculator?
Max Load - Barrel Length: 26"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2700 | <<locked>> | 82% | 57,435 psi | 88% | 3346 fps | 99.1% |
| Accurate 3100 | <<locked>> | 98% | 57,783 psi | 89% | 3402 fps | 99.9% |
| Accurate 4064 | <<locked>> | 82% | 57,392 psi | 88% | 3333 fps | 100% |
| Accurate 4350 | <<locked>> | 88% | 55,390 psi | 85% | 3399 fps | 100% |
| Accurate MAGPRO | <<locked>> | 96% | 56,463 psi | 87% | 3501 fps | 96.5% |
| ADI AR 2208 | <<locked>> | 84% | 56,826 psi | 87% | 3366 fps | 100% |
| ADI AR 2209 | <<locked>> | 94% | 56,202 psi | 86% | 3448 fps | 98.5% |
| ADI AR 2213 | <<locked>> | 98% | 58,059 psi | 89% | 3510 fps | 97.8% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 40,176 psi | 62% | 3169 fps | 96.7% |
| Alliant Reloder- TS 15.5 | <<locked>> | 84% | 58,088 psi | 89% | 3392 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 82% | 58,044 psi | 89% | 3419 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 90% | 55,956 psi | 86% | 3461 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 86% | 57,450 psi | 88% | 3484 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 94% | 55,811 psi | 86% | 3432 fps | 98.4% |
| Alliant Reloder-22 | <<locked>> | 98% | 57,682 psi | 89% | 3507 fps | 98.8% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 58,421 psi | 90% | 3478 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 50,459 psi | 78% | 3402 fps | 99.9% |
| Alliant Reloder-26 | <<locked>> | 94% | 55,230 psi | 85% | 3514 fps | 100% |
| Bofors RP15ᴾ | <<locked>> | 100% | 56,521 psi | 87% | 3481 fps | 98.6% |
| Bofors RP3 | <<locked>> | 82% | 55,608 psi | 86% | 3353 fps | 100% |
| Bofors RP5 | <<locked>> | 98% | 57,682 psi | 89% | 3507 fps | 98.8% |
| Bofors RP7 | <<locked>> | 88% | 58,204 psi | 90% | 3402 fps | 99.3% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 49,850 psi | 77% | 3337 fps | 97% |
| Hodgdon H380 | <<locked>> | 82% | 55,666 psi | 86% | 3373 fps | 100% |
| Hodgdon H414 | <<locked>> | 88% | 57,290 psi | 88% | 3455 fps | 99.5% |
| Hodgdon H4350 | <<locked>> | 86% | 56,362 psi | 87% | 3406 fps | 98.7% |
| Hodgdon H4831 | <<locked>> | 96% | 58,059 psi | 89% | 3442 fps | 97.1% |
| Hodgdon H4831 SC | <<locked>> | 96% | 56,666 psi | 87% | 3419 fps | 96.9% |
| Hodgdon Hybrid 100V | <<locked>> | 92% | 56,521 psi | 87% | 3376 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 49,458 psi | 76% | 3455 fps | 98.3% |
| Hodgdon Superformance | <<locked>> | 88% | 58,117 psi | 89% | 3494 fps | 99.5% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,724 psi | 56% | 2185 fps | 100% |
| IMR 4064 | <<locked>> | 82% | 56,101 psi | 86% | 3346 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 82% | 58,653 psi | 90% | 3389 fps | 99.6% |
| IMR 4350 | <<locked>> | 90% | 56,043 psi | 86% | 3376 fps | 99.1% |
| IMR 4451 Enduron | <<locked>> | 86% | 56,101 psi | 86% | 3366 fps | 99.3% |
| IMR 4831 | <<locked>> | 90% | 55,796 psi | 86% | 3389 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 94% | 55,332 psi | 85% | 3360 fps | 96.8% |
| IMR 7828 SSC | <<locked>> | 98% | 55,419 psi | 85% | 3474 fps | 97.4% |
| Lovex S062 | <<locked>> | 82% | 56,695 psi | 87% | 3343 fps | 100% |
| Lovex S065 | <<locked>> | 88% | 56,608 psi | 87% | 3366 fps | 99.9% |
| Lovex S070 | <<locked>> | 90% | 58,334 psi | 90% | 3415 fps | 99.7% |
| Lovex S071ᴾ | <<locked>> | 100% | 51,358 psi | 79% | 3294 fps | 99.4% |
| Norma 203B | <<locked>> | 82% | 57,348 psi | 88% | 3402 fps | 100% |
| Norma 204 | <<locked>> | 90% | 57,130 psi | 88% | 3435 fps | 98.4% |
| Norma MRP | <<locked>> | 96% | 57,348 psi | 88% | 3527 fps | 99.6% |
| Norma URP | <<locked>> | 90% | 57,537 psi | 89% | 3442 fps | 100% |
| Ramshot Big Game | <<locked>> | 82% | 58,697 psi | 90% | 3428 fps | 100% |
| Ramshot Grand | <<locked>> | 98% | 56,173 psi | 86% | 3497 fps | 97.9% |
| Ramshot Hunter | <<locked>> | 90% | 56,376 psi | 87% | 3435 fps | 99.8% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 54,476 psi | 84% | 3419 fps | 99% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,333 psi | 57% | 2234 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 82% | 55,535 psi | 85% | 3353 fps | 99.6% |
| ReloadSwiss RS 60 | <<locked>> | 84% | 56,768 psi | 87% | 3471 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 88% | 55,317 psi | 85% | 3419 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 90% | 57,725 psi | 89% | 3517 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 50,227 psi | 77% | 3455 fps | 99.3% |
| Rottweil R 902 | <<locked>> | 82% | 58,508 psi | 90% | 3353 fps | 100% |
| Rottweil R 903 | <<locked>> | 84% | 55,724 psi | 86% | 3350 fps | 100% |
| Rottweil R 904 | <<locked>> | 94% | 57,798 psi | 89% | 3415 fps | 97.7% |
| Rottweil R 905 | <<locked>> | 94% | 55,143 psi | 85% | 3419 fps | 98.4% |
| Rottweil R 907 | <<locked>> | 88% | 58,204 psi | 90% | 3402 fps | 99.3% |
| Shooters World Long Rifle | <<locked>> | 88% | 56,608 psi | 87% | 3366 fps | 99.9% |
| Shooters World Precision | <<locked>> | 82% | 56,695 psi | 87% | 3343 fps | 100% |
| Shooters World SW4350 | <<locked>> | 90% | 58,334 psi | 90% | 3415 fps | 99.7% |
| SNPE Vectan SP 11 | <<locked>> | 84% | 57,421 psi | 88% | 3415 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 84% | 55,869 psi | 86% | 3215 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 88% | 56,231 psi | 87% | 3307 fps | 99.4% |
| SNPE Vectan Tubal 8000 | <<locked>> | 96% | 58,523 psi | 90% | 3478 fps | 98.9% |
| Somchem S355 | <<locked>> | 84% | 55,564 psi | 85% | 3346 fps | 100% |
| Somchem S361 | <<locked>> | 92% | 55,883 psi | 86% | 3333 fps | 96.7% |
| Somchem S365 | <<locked>> | 92% | 57,566 psi | 89% | 3438 fps | 100% |
| Somchem S385 | <<locked>> | 94% | 55,767 psi | 86% | 3389 fps | 99.1% |
| Vihtavuori N150 | <<locked>> | 86% | 56,826 psi | 87% | 3314 fps | 100% |
| Vihtavuori N160 | <<locked>> | 88% | 55,840 psi | 86% | 3373 fps | 100% |
| Vihtavuori N165 | <<locked>> | 98% | 55,288 psi | 85% | 3356 fps | 98.8% |
| Vihtavuori N540 | <<locked>> | 82% | 57,464 psi | 88% | 3314 fps | 100% |
| Vihtavuori N550 | <<locked>> | 88% | 54,998 psi | 85% | 3373 fps | 100% |
| Vihtavuori N555 | <<locked>> | 96% | 57,058 psi | 88% | 3451 fps | 100% |
| Vihtavuori N560 | <<locked>> | 96% | 57,232 psi | 88% | 3517 fps | 97.3% |
| Vihtavuori N565ᴾ | <<locked>> | 100% | 53,026 psi | 82% | 3412 fps | 96.7% |
| Winchester 6.5 StaBALL | <<locked>> | 88% | 55,593 psi | 86% | 3323 fps | 100% |
| Winchester 760 | <<locked>> | 88% | 57,290 psi | 88% | 3455 fps | 99.5% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 55,506 psi | 85% | 3563 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 96% | 56,101 psi | 86% | 3383 fps | 98.4% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 26"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2700 | <<locked>> | 80% | 53,882 psi | 83% | 3281 fps | 98.6% |
| Accurate 3100 | <<locked>> | 84% | 35,549 psi | 55% | 2946 fps | 95.8% |
| Accurate 4064 | <<locked>> | 80% | 53,838 psi | 83% | 3278 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 41,800 psi | 64% | 3130 fps | 99% |
| Accurate MAGPRO | <<locked>> | 94% | 52,533 psi | 81% | 3425 fps | 95.6% |
| ADI AR 2208 | <<locked>> | 80% | 50,212 psi | 77% | 3251 fps | 100% |
| ADI AR 2209 | <<locked>> | 86% | 42,917 psi | 66% | 3173 fps | 95.3% |
| ADI AR 2213 | <<locked>> | 92% | 47,123 psi | 72% | 3294 fps | 95.1% |
| ADI AR 2225 | <<locked>> | 98% | 37,623 psi | 58% | 3097 fps | 95.5% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 51,082 psi | 79% | 3278 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 54,447 psi | 84% | 3356 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 80% | 40,074 psi | 62% | 3140 fps | 99% |
| Alliant Reloder-17 | <<locked>> | 80% | 46,296 psi | 71% | 3284 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 86% | 42,960 psi | 66% | 3166 fps | 95.4% |
| Alliant Reloder-22 | <<locked>> | 90% | 43,816 psi | 67% | 3228 fps | 95.9% |
| Alliant Reloder-23 | <<locked>> | 80% | 29,776 psi | 46% | 2851 fps | 97.1% |
| Alliant Reloder-25 | <<locked>> | 88% | 33,910 psi | 52% | 2992 fps | 95.8% |
| Alliant Reloder-26 | 60.7 gr | 80% | 32,358 psi | 50% | 2986 fps | 95.9% |
| Bofors RP15 | <<locked>> | 92% | 43,207 psi | 66% | 3209 fps | 95.5% |
| Bofors RP3 | <<locked>> | 80% | 51,808 psi | 80% | 3291 fps | 100% |
| Bofors RP5 | <<locked>> | 90% | 43,816 psi | 67% | 3228 fps | 95.9% |
| Bofors RP7 | <<locked>> | 80% | 45,179 psi | 70% | 3146 fps | 97.1% |
| Hodgdon H1000 | <<locked>> | 98% | 46,543 psi | 72% | 3264 fps | 96% |
| Hodgdon H380 | <<locked>> | 80% | 51,924 psi | 80% | 3304 fps | 99.8% |
| Hodgdon H414 | <<locked>> | 80% | 43,656 psi | 67% | 3182 fps | 97.3% |
| Hodgdon H4350 | <<locked>> | 80% | 46,253 psi | 71% | 3205 fps | 96.7% |
| Hodgdon H4831 | <<locked>> | 92% | 50,444 psi | 78% | 3301 fps | 95.4% |
| Hodgdon H4831 SC | <<locked>> | 92% | 49,472 psi | 76% | 3281 fps | 95.1% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 37,826 psi | 58% | 3012 fps | 99.4% |
| Hodgdon Retumbo | <<locked>> | 94% | 40,524 psi | 62% | 3228 fps | 95.2% |
| Hodgdon Superformance | <<locked>> | 80% | 43,047 psi | 66% | 3196 fps | 96.8% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,369 psi | 42% | 1959 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 52,837 psi | 81% | 3291 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 80% | 55,085 psi | 85% | 3327 fps | 99.2% |
| IMR 4350 | <<locked>> | 80% | 40,669 psi | 63% | 3058 fps | 95.8% |
| IMR 4451 Enduron | <<locked>> | 80% | 46,412 psi | 71% | 3176 fps | 97.8% |
| IMR 4831 | <<locked>> | 80% | 40,074 psi | 62% | 3074 fps | 98.7% |
| IMR 4955 Enduron | <<locked>> | 90% | 48,704 psi | 75% | 3232 fps | 95.2% |
| IMR 7828 SSC | <<locked>> | 94% | 48,327 psi | 74% | 3330 fps | 95.6% |
| Lovex S062 | <<locked>> | 80% | 53,156 psi | 82% | 3281 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 44,063 psi | 68% | 3120 fps | 98.5% |
| Lovex S070 | <<locked>> | 80% | 42,337 psi | 65% | 3097 fps | 97.1% |
| Lovex S071 | <<locked>> | 88% | 34,679 psi | 53% | 2920 fps | 95.4% |
| Norma 203B | <<locked>> | 80% | 53,809 psi | 83% | 3343 fps | 100% |
| Norma 204 | <<locked>> | 82% | 43,366 psi | 67% | 3156 fps | 95.3% |
| Norma MRP | 61.8 gr | 84% | 37,246 psi | 57% | 3094 fps | 95% |
| Norma URP | <<locked>> | 80% | 41,234 psi | 63% | 3120 fps | 98.8% |
| Ramshot Big Game | <<locked>> | 80% | 54,781 psi | 84% | 3366 fps | 100% |
| Ramshot Grand | <<locked>> | 92% | 44,962 psi | 69% | 3264 fps | 95% |
| Ramshot Hunter | <<locked>> | 80% | 40,219 psi | 62% | 3107 fps | 97.2% |
| Ramshot Magnum | <<locked>> | 92% | 40,321 psi | 62% | 3123 fps | 95.6% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,978 psi | 43% | 2005 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 51,909 psi | 80% | 3287 fps | 99.2% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 49,168 psi | 76% | 3346 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 41,698 psi | 64% | 3146 fps | 98.7% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 40,234 psi | 62% | 3156 fps | 98.3% |
| ReloadSwiss RS 76 | <<locked>> | 92% | 37,376 psi | 58% | 3127 fps | 95.2% |
| Rottweil R 902 | <<locked>> | 80% | 54,897 psi | 84% | 3297 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 48,791 psi | 75% | 3228 fps | 100% |
| Rottweil R 904 | <<locked>> | 88% | 47,485 psi | 73% | 3215 fps | 95.4% |
| Rottweil R 905 | <<locked>> | 86% | 42,061 psi | 65% | 3146 fps | 95.3% |
| Rottweil R 907 | <<locked>> | 80% | 45,179 psi | 70% | 3146 fps | 97.1% |
| Shooters World Long Rifle | <<locked>> | 80% | 44,063 psi | 68% | 3120 fps | 98.5% |
| Shooters World Precision | <<locked>> | 80% | 53,156 psi | 82% | 3281 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 42,337 psi | 65% | 3097 fps | 97.1% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 50,241 psi | 77% | 3294 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 49,443 psi | 76% | 3114 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 43,105 psi | 66% | 3054 fps | 97.2% |
| SNPE Vectan Tubal 8000 | <<locked>> | 86% | 41,684 psi | 64% | 3140 fps | 95.1% |
| Somchem S355 | <<locked>> | 80% | 48,820 psi | 75% | 3228 fps | 100% |
| Somchem S361 | <<locked>> | 88% | 48,820 psi | 75% | 3199 fps | 95% |
| Somchem S365 | <<locked>> | 80% | 37,898 psi | 58% | 3068 fps | 99.9% |
| Somchem S385 | <<locked>> | 84% | 40,001 psi | 62% | 3061 fps | 95.6% |
| Vihtavuori N150 | <<locked>> | 80% | 46,717 psi | 72% | 3143 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 42,627 psi | 66% | 3117 fps | 99% |
| Vihtavuori N165 | <<locked>> | 88% | 39,537 psi | 61% | 3038 fps | 95% |
| Vihtavuori N540 | <<locked>> | 80% | 53,737 psi | 83% | 3255 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 42,105 psi | 65% | 3117 fps | 98.8% |
| Vihtavuori N555 | <<locked>> | 80% | 33,185 psi | 51% | 2940 fps | 97.2% |
| Vihtavuori N560 | 67.7 gr | 92% | 49,821 psi | 77% | 3373 fps | 95.6% |
| Vihtavuori N565 | <<locked>> | 98% | 49,588 psi | 76% | 3343 fps | 95.8% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 41,843 psi | 64% | 3077 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 43,874 psi | 67% | 3189 fps | 97.3% |
| Winchester StaBALL HD | <<locked>> | 80% | 26,484 psi | 41% | 2822 fps | 96.2% |
| Winchester Supreme 780 | <<locked>> | 88% | 42,221 psi | 65% | 3107 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 85 powders for 6.5 Weatherby RPM loaded with the .264 | 100gr | Fox Classic Hunter. Winchester StaBALL HD delivers the highest muzzle velocity at 3,563 fps; across all powders the maximum-charge window runs from 2,185 fps to 3,563 fps. ADI AR 2225 gives the best case fill at 100 %, and 85 of the 85 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (448 MPa), the top charges use 56–90 %, leaving at least 10 % headroom. The 100.0 gr projectile in 0.264" calls for a 1:9.5 twist; slower twists will usually not stabilise this weight. ADI AR 2225, Alliant Reloder-23, Alliant Reloder-25 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. Alliant Reloder-26, Norma MRP, Vihtavuori N560 rank at the top here: for 6.5 Weatherby RPM with the .264 | 100gr | 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.