Load Specifications
Load data in caliber 6.5-300 Weatherby Mag. with .264 | 122gr | Peregrine VLR5 (VLR-5) bullet and 53 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Hodgdon Retumbo, Vihtavuori N570 and Alliant Reloder-33.
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: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 88% | 57,754 psi | 89% | 3117 fps | 100% |
| Accurate High Country | <<locked>> | 84% | 56,028 psi | 86% | 3219 fps | 99.5% |
| Accurate MAGPRO | <<locked>> | 86% | 56,942 psi | 88% | 3225 fps | 98.9% |
| ADI AR 2209 | <<locked>> | 84% | 55,303 psi | 85% | 3150 fps | 99.8% |
| ADI AR 2213 | <<locked>> | 88% | 57,914 psi | 89% | 3228 fps | 99.6% |
| ADI AR 2217 | <<locked>> | 96% | 56,710 psi | 87% | 3202 fps | 99.8% |
| ADI AR 2218ᴾ | <<locked>> | 100% | 57,363 psi | 88% | 3320 fps | 97.9% |
| ADI AR 2225 | <<locked>> | 98% | 55,709 psi | 86% | 3219 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 86% | 58,697 psi | 90% | 3199 fps | 100% |
| Alliant Reloder-22 | <<locked>> | 88% | 58,218 psi | 90% | 3222 fps | 100% |
| Alliant Reloder-23 | <<locked>> | 88% | 56,028 psi | 86% | 3123 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 92% | 56,695 psi | 87% | 3196 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 84% | 56,942 psi | 88% | 3209 fps | 100% |
| Alliant Reloder-33 | <<locked>> | 96% | 54,839 psi | 84% | 3215 fps | 97% |
| Alliant Reloder-50ᴾ | <<locked>> | 100% | 54,447 psi | 84% | 3196 fps | 96.4% |
| Baschieri & Pellagri 109 | <<locked>> | 90% | 58,392 psi | 90% | 3186 fps | 98% |
| Bofors RP15 | <<locked>> | 90% | 57,363 psi | 88% | 3205 fps | 99.9% |
| Bofors RP30 | <<locked>> | 94% | 56,420 psi | 87% | 3209 fps | 99.7% |
| Bofors RP5 | <<locked>> | 88% | 58,218 psi | 90% | 3222 fps | 100% |
| Hodgdon H1000 | <<locked>> | 94% | 58,421 psi | 90% | 3228 fps | 100% |
| Hodgdon H4831 | <<locked>> | 86% | 56,594 psi | 87% | 3156 fps | 99.1% |
| Hodgdon H4831 SC | <<locked>> | 86% | 55,680 psi | 86% | 3136 fps | 99% |
| Hodgdon Hybrid 100V | <<locked>> | 82% | 55,564 psi | 86% | 3061 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 92% | 55,869 psi | 86% | 3284 fps | 100% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 37,739 psi | 58% | 2057 fps | 100% |
| IMR 4350 | <<locked>> | 82% | 57,319 psi | 88% | 3127 fps | 100% |
| IMR 4831 | <<locked>> | 82% | 58,175 psi | 90% | 3130 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 86% | 56,956 psi | 88% | 3136 fps | 99.3% |
| IMR 7828 SSC | <<locked>> | 88% | 56,217 psi | 87% | 3209 fps | 99.5% |
| IMR 8133 Enduronᴾ | <<locked>> | 100% | 54,491 psi | 84% | 3189 fps | 99.5% |
| Lovex S071 | <<locked>> | 92% | 55,680 psi | 86% | 3084 fps | 100% |
| Norma 217ᴾ | <<locked>> | 100% | 55,898 psi | 86% | 3219 fps | 100% |
| Norma MRP | <<locked>> | 86% | 58,305 psi | 90% | 3235 fps | 100% |
| Ramshot Grand | <<locked>> | 88% | 57,508 psi | 89% | 3232 fps | 99.8% |
| Ramshot Magnum | <<locked>> | 90% | 55,869 psi | 86% | 3153 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 38,595 psi | 59% | 2103 fps | 100% |
| ReloadSwiss RS 76 | <<locked>> | 92% | 57,029 psi | 88% | 3271 fps | 100% |
| ReloadSwiss RS 80 | <<locked>> | 94% | 56,144 psi | 86% | 3225 fps | 98.9% |
| Rottweil R 904 | <<locked>> | 84% | 55,782 psi | 86% | 3120 fps | 99.4% |
| Rottweil R 905 | <<locked>> | 86% | 58,349 psi | 90% | 3192 fps | 100% |
| SNPE Vectan Tubal 8000 | <<locked>> | 86% | 57,957 psi | 89% | 3189 fps | 100% |
| Somchem S361 | <<locked>> | 84% | 57,232 psi | 88% | 3110 fps | 99.2% |
| Somchem S365 | <<locked>> | 82% | 57,551 psi | 89% | 3120 fps | 100% |
| Somchem S385 | <<locked>> | 86% | 58,726 psi | 90% | 3159 fps | 100% |
| Vihtavuori N165 | <<locked>> | 90% | 58,668 psi | 90% | 3143 fps | 100% |
| Vihtavuori N170 | <<locked>> | 94% | 57,943 psi | 89% | 3159 fps | 96.3% |
| Vihtavuori N555 | <<locked>> | 86% | 57,899 psi | 89% | 3153 fps | 100% |
| Vihtavuori N560 | <<locked>> | 86% | 57,711 psi | 89% | 3238 fps | 99.3% |
| Vihtavuori N565 | <<locked>> | 92% | 58,639 psi | 90% | 3228 fps | 99.6% |
| Vihtavuori N568 | <<locked>> | 94% | 56,666 psi | 87% | 3232 fps | 98.6% |
| Vihtavuori N570 | <<locked>> | 96% | 58,073 psi | 89% | 3297 fps | 97.3% |
| Winchester StaBALL HD | <<locked>> | 88% | 56,652 psi | 87% | 3212 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 88% | 58,639 psi | 90% | 3156 fps | 100% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 80% | 43,700 psi | 67% | 2867 fps | 99.7% |
| Accurate High Country | <<locked>> | 80% | 48,559 psi | 75% | 3074 fps | 98.3% |
| Accurate MAGPRO | <<locked>> | 80% | 45,905 psi | 71% | 3009 fps | 96.6% |
| ADI AR 2209 | <<locked>> | 80% | 48,298 psi | 74% | 3018 fps | 99% |
| ADI AR 2213 | <<locked>> | 80% | 43,497 psi | 67% | 2949 fps | 97.1% |
| ADI AR 2217 | <<locked>> | 84% | 36,956 psi | 57% | 2789 fps | 95.2% |
| ADI AR 2218 | <<locked>> | 96% | 49,385 psi | 76% | 3153 fps | 95.6% |
| ADI AR 2225 | <<locked>> | 82% | 31,560 psi | 49% | 2674 fps | 95.9% |
| Alliant Reloder-19 | <<locked>> | 80% | 48,008 psi | 74% | 3009 fps | 99% |
| Alliant Reloder-22 | <<locked>> | 80% | 44,164 psi | 68% | 2956 fps | 98.3% |
| Alliant Reloder-23 | <<locked>> | 80% | 42,859 psi | 66% | 2890 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 80% | 37,101 psi | 57% | 2815 fps | 99.2% |
| Alliant Reloder-26 | <<locked>> | 80% | 48,892 psi | 75% | 3071 fps | 100% |
| Alliant Reloder-33 | 85.8 gr | 94% | 50,821 psi | 78% | 3140 fps | 96% |
| Alliant Reloder-50 | <<locked>> | 98% | 50,415 psi | 78% | 3114 fps | 95.2% |
| Baschieri & Pellagri 109 | <<locked>> | 84% | 47,761 psi | 74% | 2986 fps | 95.6% |
| Bofors RP15 | <<locked>> | 80% | 40,959 psi | 63% | 2881 fps | 97.4% |
| Bofors RP30 | <<locked>> | 82% | 36,999 psi | 57% | 2799 fps | 95.2% |
| Bofors RP5 | <<locked>> | 80% | 44,164 psi | 68% | 2956 fps | 98.3% |
| Hodgdon H1000 | <<locked>> | 80% | 35,012 psi | 54% | 2736 fps | 95% |
| Hodgdon H4831 | <<locked>> | 80% | 45,977 psi | 71% | 2953 fps | 97.2% |
| Hodgdon H4831 SC | <<locked>> | 80% | 45,223 psi | 70% | 2936 fps | 97% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 51,851 psi | 80% | 3002 fps | 100% |
| Hodgdon Retumbo | 67.7 gr | 80% | 36,187 psi | 56% | 2848 fps | 96.7% |
| Hodgdon TrailBoss | <<locked>> | 80% | 28,253 psi | 43% | 1841 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 53,896 psi | 83% | 3068 fps | 100% |
| IMR 4831 | <<locked>> | 80% | 54,418 psi | 84% | 3071 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 80% | 46,934 psi | 72% | 2946 fps | 97.6% |
| IMR 7828 SSC | <<locked>> | 80% | 42,119 psi | 65% | 2927 fps | 96.7% |
| IMR 8133 Enduron | <<locked>> | 90% | 38,406 psi | 59% | 2844 fps | 95.6% |
| Lovex S071 | <<locked>> | 80% | 37,565 psi | 58% | 2730 fps | 98.7% |
| Norma 217 | <<locked>> | 86% | 33,663 psi | 52% | 2736 fps | 95.9% |
| Norma MRP | <<locked>> | 80% | 47,079 psi | 72% | 3031 fps | 99.6% |
| Ramshot Grand | <<locked>> | 80% | 42,395 psi | 65% | 2940 fps | 97.2% |
| Ramshot Magnum | <<locked>> | 80% | 38,101 psi | 59% | 2799 fps | 97.5% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,921 psi | 45% | 1883 fps | 100% |
| ReloadSwiss RS 76 | <<locked>> | 80% | 35,433 psi | 55% | 2815 fps | 97.6% |
| ReloadSwiss RS 80 | <<locked>> | 86% | 41,060 psi | 63% | 2917 fps | 95% |
| Rottweil R 904 | <<locked>> | 80% | 48,921 psi | 75% | 2992 fps | 98.4% |
| Rottweil R 905 | <<locked>> | 80% | 47,601 psi | 73% | 2995 fps | 99% |
| SNPE Vectan Tubal 8000 | <<locked>> | 80% | 47,268 psi | 73% | 2992 fps | 99% |
| Somchem S361 | <<locked>> | 80% | 49,908 psi | 77% | 2979 fps | 98.1% |
| Somchem S365 | <<locked>> | 80% | 53,925 psi | 83% | 3064 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 48,037 psi | 74% | 2972 fps | 99.5% |
| Vihtavuori N165 | <<locked>> | 80% | 41,872 psi | 64% | 2835 fps | 98.3% |
| Vihtavuori N170 | <<locked>> | 92% | 54,172 psi | 83% | 3094 fps | 95.3% |
| Vihtavuori N555 | <<locked>> | 80% | 47,297 psi | 73% | 2976 fps | 100% |
| Vihtavuori N560 | <<locked>> | 80% | 46,731 psi | 72% | 3025 fps | 97.4% |
| Vihtavuori N565 | <<locked>> | 80% | 38,580 psi | 59% | 2815 fps | 95% |
| Vihtavuori N568 | <<locked>> | 88% | 45,469 psi | 70% | 3015 fps | 96% |
| Vihtavuori N570 | 80.8 gr | 92% | 50,096 psi | 77% | 3146 fps | 95.3% |
| Winchester StaBALL HD | <<locked>> | 80% | 41,336 psi | 64% | 2940 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 80% | 44,367 psi | 68% | 2897 fps | 98.4% |
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 53 powders for 6.5-300 Weatherby Mag. loaded with the .264 | 122gr | Peregrine VLR5 (VLR-5). ADI AR 2218 delivers the highest muzzle velocity at 3,320 fps; across all powders the maximum-charge window runs from 2,057 fps to 3,320 fps. ADI AR 2218 gives the best case fill at 100 %, and 53 of the 53 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 122.0 gr projectile in 0.264" calls for a 1:8.5 twist; slower twists will usually not stabilise this weight. ADI AR 2218, Alliant Reloder-50, Hodgdon TrailBoss 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, Vihtavuori N570, Alliant Reloder-33 rank at the top here: for 6.5-300 Weatherby Mag. with the .264 | 122gr | Peregrine VLR5 (VLR-5) 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.