Load Specifications
Load data in caliber 6.5 Weatherby RPM with .264 | 140gr | Nosler AccuBond bullet and 72 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Hodgdon Retumbo, Accurate High Country and ReloadSwiss RS 76.
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: 26"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 90% | 55,521 psi | 85% | 2920 fps | 100% |
| Accurate 4350 | <<locked>> | 82% | 56,072 psi | 86% | 2936 fps | 100% |
| Accurate High Country | <<locked>> | 88% | 57,087 psi | 88% | 3077 fps | 99.8% |
| Accurate MAGPRO | <<locked>> | 90% | 57,986 psi | 89% | 3084 fps | 99.4% |
| ADI AR 2209 | <<locked>> | 88% | 57,000 psi | 88% | 3009 fps | 100% |
| ADI AR 2213 | <<locked>> | 90% | 54,926 psi | 85% | 3018 fps | 99.6% |
| ADI AR 2217ᴾ | <<locked>> | 100% | 56,942 psi | 88% | 3045 fps | 99.9% |
| ADI AR 2218ᴾ | <<locked>> | 100% | 49,516 psi | 76% | 3018 fps | 96.4% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 51,343 psi | 79% | 3009 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 84% | 57,217 psi | 88% | 2992 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 88% | 56,463 psi | 87% | 2995 fps | 100% |
| Alliant Reloder-22 | <<locked>> | 90% | 55,332 psi | 85% | 3012 fps | 100% |
| Alliant Reloder-23 | <<locked>> | 92% | 57,072 psi | 88% | 2976 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 96% | 56,826 psi | 87% | 3048 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 88% | 57,725 psi | 89% | 3071 fps | 100% |
| Alliant Reloder-33ᴾ | <<locked>> | 100% | 54,172 psi | 83% | 3077 fps | 97.7% |
| Baschieri & Pellagri 109 | <<locked>> | 92% | 55,840 psi | 86% | 2979 fps | 98% |
| Bofors RP15 | <<locked>> | 94% | 58,276 psi | 90% | 3058 fps | 100% |
| Bofors RP30 | <<locked>> | 98% | 56,507 psi | 87% | 3061 fps | 99.9% |
| Bofors RP5 | <<locked>> | 90% | 55,332 psi | 85% | 3012 fps | 100% |
| Bofors RP7 | <<locked>> | 82% | 57,508 psi | 88% | 2933 fps | 100% |
| Hodgdon H1000 | <<locked>> | 96% | 54,795 psi | 84% | 3012 fps | 100% |
| Hodgdon H414 | <<locked>> | 82% | 57,580 psi | 89% | 2995 fps | 100% |
| Hodgdon H4831 | <<locked>> | 90% | 58,247 psi | 90% | 3012 fps | 99.6% |
| Hodgdon H4831 SC | <<locked>> | 90% | 57,130 psi | 88% | 2992 fps | 99.5% |
| Hodgdon Hybrid 100V | <<locked>> | 86% | 57,276 psi | 88% | 2910 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 96% | 55,666 psi | 86% | 3133 fps | 100% |
| Hodgdon Superformance | <<locked>> | 82% | 58,363 psi | 90% | 3035 fps | 100% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 37,507 psi | 58% | 1864 fps | 100% |
| IMR 4350 | <<locked>> | 84% | 56,043 psi | 86% | 2927 fps | 100% |
| IMR 4831 | <<locked>> | 84% | 56,391 psi | 87% | 2927 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 90% | 58,726 psi | 90% | 2986 fps | 99.6% |
| IMR 7828 SSC | <<locked>> | 92% | 57,072 psi | 88% | 3061 fps | 99.8% |
| IMR 8133 Enduronᴾ | <<locked>> | 100% | 47,007 psi | 72% | 2923 fps | 99% |
| Lovex S065 | <<locked>> | 82% | 56,246 psi | 87% | 2900 fps | 100% |
| Lovex S070 | <<locked>> | 84% | 58,262 psi | 90% | 2956 fps | 100% |
| Lovex S071 | <<locked>> | 96% | 56,898 psi | 88% | 2936 fps | 100% |
| Norma 204 | <<locked>> | 84% | 56,971 psi | 88% | 2986 fps | 100% |
| Norma 217ᴾ | <<locked>> | 100% | 47,529 psi | 73% | 2949 fps | 100% |
| Norma MRP | <<locked>> | 88% | 55,347 psi | 85% | 3035 fps | 100% |
| Norma URP | <<locked>> | 84% | 58,131 psi | 89% | 2972 fps | 100% |
| Ramshot Grand | <<locked>> | 92% | 58,262 psi | 90% | 3084 fps | 100% |
| Ramshot Hunter | <<locked>> | 84% | 56,840 psi | 87% | 2982 fps | 100% |
| Ramshot Magnum | <<locked>> | 94% | 56,478 psi | 87% | 3009 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 38,334 psi | 59% | 1906 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 82% | 56,275 psi | 87% | 2963 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 84% | 58,697 psi | 90% | 3048 fps | 100% |
| ReloadSwiss RS 76 | <<locked>> | 96% | 56,405 psi | 87% | 3127 fps | 100% |
| ReloadSwiss RS 80 | <<locked>> | 98% | 55,622 psi | 86% | 3087 fps | 99.4% |
| Rottweil R 904 | <<locked>> | 88% | 57,841 psi | 89% | 2976 fps | 99.8% |
| Rottweil R 905 | <<locked>> | 88% | 56,043 psi | 86% | 2982 fps | 100% |
| Rottweil R 907 | <<locked>> | 82% | 57,508 psi | 88% | 2933 fps | 100% |
| Shooters World Long Rifle | <<locked>> | 82% | 56,246 psi | 87% | 2900 fps | 100% |
| Shooters World SW4350 | <<locked>> | 84% | 58,262 psi | 90% | 2956 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 82% | 55,085 psi | 85% | 2851 fps | 100% |
| SNPE Vectan Tubal 8000 | <<locked>> | 88% | 55,637 psi | 86% | 2982 fps | 100% |
| Somchem S361 | <<locked>> | 86% | 55,608 psi | 86% | 2910 fps | 99.3% |
| Somchem S365 | <<locked>> | 84% | 55,535 psi | 85% | 2923 fps | 100% |
| Somchem S385 | <<locked>> | 88% | 56,710 psi | 87% | 2959 fps | 100% |
| Vihtavuori N160 | <<locked>> | 82% | 55,883 psi | 86% | 2907 fps | 100% |
| Vihtavuori N165 | <<locked>> | 92% | 56,275 psi | 87% | 2936 fps | 100% |
| Vihtavuori N170 | <<locked>> | 96% | 55,201 psi | 85% | 2956 fps | 96.2% |
| Vihtavuori N550 | <<locked>> | 84% | 58,769 psi | 90% | 2966 fps | 100% |
| Vihtavuori N555 | <<locked>> | 88% | 55,347 psi | 85% | 2949 fps | 100% |
| Vihtavuori N560 | <<locked>> | 90% | 58,769 psi | 90% | 3094 fps | 99.7% |
| Vihtavuori N565 | <<locked>> | 94% | 55,361 psi | 85% | 3022 fps | 99.6% |
| Vihtavuori N568 | <<locked>> | 98% | 56,565 psi | 87% | 3091 fps | 99.1% |
| Vihtavuori N570ᴾ | <<locked>> | 100% | 57,406 psi | 88% | 3150 fps | 98% |
| Winchester 6.5 StaBALL | <<locked>> | 82% | 55,390 psi | 85% | 2861 fps | 100% |
| Winchester 760 | <<locked>> | 82% | 57,580 psi | 89% | 2995 fps | 100% |
| Winchester StaBALL HD | <<locked>> | 92% | 56,246 psi | 87% | 3068 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 90% | 56,536 psi | 87% | 2953 fps | 100% |
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 3100 | <<locked>> | 80% | 39,711 psi | 61% | 2644 fps | 99.6% |
| Accurate 4350 | <<locked>> | 80% | 52,576 psi | 81% | 2884 fps | 100% |
| Accurate High Country | 56.7 gr | 80% | 43,178 psi | 66% | 2825 fps | 98% |
| Accurate MAGPRO | <<locked>> | 80% | 40,785 psi | 63% | 2762 fps | 96% |
| ADI AR 2209 | <<locked>> | 80% | 43,685 psi | 67% | 2776 fps | 98.8% |
| ADI AR 2213 | <<locked>> | 80% | 39,088 psi | 60% | 2710 fps | 96.7% |
| ADI AR 2217 | <<locked>> | 86% | 35,505 psi | 55% | 2621 fps | 95.7% |
| ADI AR 2218 | <<locked>> | 98% | 45,963 psi | 71% | 2940 fps | 95.2% |
| ADI AR 2225 | <<locked>> | 82% | 28,297 psi | 44% | 2464 fps | 95.5% |
| Alliant Reloder-16 | <<locked>> | 80% | 50,082 psi | 77% | 2884 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 80% | 43,685 psi | 67% | 2769 fps | 98.8% |
| Alliant Reloder-22 | <<locked>> | 80% | 39,639 psi | 61% | 2720 fps | 98.1% |
| Alliant Reloder-23 | <<locked>> | 80% | 38,377 psi | 59% | 2664 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 80% | 33,141 psi | 51% | 2595 fps | 99.1% |
| Alliant Reloder-26 | <<locked>> | 80% | 42,728 psi | 66% | 2825 fps | 100% |
| Alliant Reloder-33 | <<locked>> | 96% | 46,702 psi | 72% | 2940 fps | 95.9% |
| Baschieri & Pellagri 109 | <<locked>> | 86% | 46,354 psi | 71% | 2802 fps | 95.8% |
| Bofors RP15 | <<locked>> | 80% | 36,898 psi | 57% | 2654 fps | 97.2% |
| Bofors RP30 | <<locked>> | 84% | 35,128 psi | 54% | 2641 fps | 95.9% |
| Bofors RP5 | <<locked>> | 80% | 39,639 psi | 61% | 2720 fps | 98.1% |
| Bofors RP7 | <<locked>> | 80% | 54,128 psi | 83% | 2884 fps | 100% |
| Hodgdon H1000 | <<locked>> | 82% | 33,823 psi | 52% | 2579 fps | 95.7% |
| Hodgdon H414 | <<locked>> | 80% | 53,882 psi | 83% | 2940 fps | 100% |
| Hodgdon H4831 | <<locked>> | 80% | 41,568 psi | 64% | 2710 fps | 96.8% |
| Hodgdon H4831 SC | <<locked>> | 80% | 40,944 psi | 63% | 2697 fps | 96.6% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 47,268 psi | 73% | 2762 fps | 100% |
| Hodgdon Retumbo | 54.7 gr | 80% | 32,372 psi | 50% | 2621 fps | 96.3% |
| Hodgdon Superformance | <<locked>> | 80% | 54,317 psi | 84% | 2976 fps | 100% |
| Hodgdon TrailBoss | <<locked>> | 80% | 28,108 psi | 43% | 1667 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 49,443 psi | 76% | 2818 fps | 99.9% |
| IMR 4831 | <<locked>> | 80% | 49,588 psi | 76% | 2825 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 80% | 42,989 psi | 66% | 2707 fps | 97.3% |
| IMR 7828 SSC | <<locked>> | 80% | 37,724 psi | 58% | 2687 fps | 96.3% |
| IMR 8133 Enduron | <<locked>> | 90% | 33,460 psi | 51% | 2618 fps | 95% |
| Lovex S065 | <<locked>> | 80% | 52,939 psi | 81% | 2851 fps | 100% |
| Lovex S070 | <<locked>> | 80% | 51,387 psi | 79% | 2851 fps | 100% |
| Lovex S071 | <<locked>> | 80% | 34,185 psi | 53% | 2520 fps | 98.6% |
| Norma 204 | <<locked>> | 80% | 49,821 psi | 77% | 2867 fps | 99.5% |
| Norma 217 | <<locked>> | 86% | 29,486 psi | 45% | 2526 fps | 95.6% |
| Norma MRP | <<locked>> | 80% | 41,698 psi | 64% | 2789 fps | 99.4% |
| Norma URP | <<locked>> | 80% | 51,053 psi | 79% | 2864 fps | 100% |
| Ramshot Grand | <<locked>> | 80% | 37,550 psi | 58% | 2697 fps | 96.7% |
| Ramshot Hunter | <<locked>> | 80% | 49,821 psi | 77% | 2871 fps | 100% |
| Ramshot Magnum | <<locked>> | 80% | 33,547 psi | 52% | 2572 fps | 97.1% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,892 psi | 44% | 1709 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 52,649 psi | 81% | 2907 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 50,836 psi | 78% | 2930 fps | 100% |
| ReloadSwiss RS 76 | 58.5 gr | 80% | 31,372 psi | 48% | 2595 fps | 97.1% |
| ReloadSwiss RS 80 | <<locked>> | 88% | 38,159 psi | 59% | 2746 fps | 95.4% |
| Rottweil R 904 | <<locked>> | 80% | 44,701 psi | 69% | 2749 fps | 98.2% |
| Rottweil R 905 | <<locked>> | 80% | 43,192 psi | 66% | 2756 fps | 98.8% |
| Rottweil R 907 | <<locked>> | 80% | 54,128 psi | 83% | 2884 fps | 100% |
| Shooters World Long Rifle | <<locked>> | 80% | 52,939 psi | 81% | 2851 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 51,387 psi | 79% | 2851 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 51,837 psi | 80% | 2802 fps | 100% |
| SNPE Vectan Tubal 8000 | <<locked>> | 80% | 42,902 psi | 66% | 2753 fps | 98.8% |
| Somchem S361 | <<locked>> | 80% | 45,498 psi | 70% | 2736 fps | 97.7% |
| Somchem S365 | <<locked>> | 80% | 48,573 psi | 75% | 2818 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 43,685 psi | 67% | 2736 fps | 99.4% |
| Vihtavuori N160 | <<locked>> | 80% | 52,518 psi | 81% | 2858 fps | 100% |
| Vihtavuori N165 | <<locked>> | 80% | 38,014 psi | 58% | 2608 fps | 98.1% |
| Vihtavuori N170 | <<locked>> | 94% | 51,677 psi | 80% | 2897 fps | 95.3% |
| Vihtavuori N550 | <<locked>> | 80% | 51,634 psi | 79% | 2861 fps | 100% |
| Vihtavuori N555 | <<locked>> | 80% | 42,743 psi | 66% | 2743 fps | 100% |
| Vihtavuori N560 | <<locked>> | 80% | 41,597 psi | 64% | 2779 fps | 97% |
| Vihtavuori N565 | <<locked>> | 82% | 36,796 psi | 57% | 2654 fps | 95.6% |
| Vihtavuori N568 | <<locked>> | 88% | 39,436 psi | 61% | 2762 fps | 95.2% |
| Vihtavuori N570 | <<locked>> | 94% | 46,412 psi | 71% | 2949 fps | 95.4% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 51,648 psi | 79% | 2805 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 53,882 psi | 83% | 2940 fps | 100% |
| Winchester StaBALL HD | <<locked>> | 80% | 35,389 psi | 54% | 2713 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 80% | 39,987 psi | 62% | 2661 fps | 98.1% |
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 72 powders for 6.5 Weatherby RPM loaded with the .264 | 140gr | Nosler AccuBond. Vihtavuori N570 delivers the highest muzzle velocity at 3,150 fps; across all powders the maximum-charge window runs from 1,864 fps to 3,150 fps. ADI AR 2217 gives the best case fill at 100 %, and 72 of the 72 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (448 MPa), the top charges use 58–90 %, leaving at least 10 % headroom. The 140.0 gr projectile in 0.264" calls for a 1:9.0 twist; slower twists will usually not stabilise this weight. ADI AR 2217, ADI AR 2218, ADI AR 2225 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. Hodgdon Retumbo, Accurate High Country, ReloadSwiss RS 76 rank at the top here: for 6.5 Weatherby RPM with the .264 | 140gr | Nosler AccuBond 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.