Load Specifications
Load data in caliber 6.5 x 63 R Messner Mag. with .264 | 124gr | Sellier & Bellot FMJ bullet and 70 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Hodgdon Retumbo, Winchester StaBALL HD 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.
A valid access license is required to use the Personalized Load Calculator.
You can find more information in our FAQ: How can I use the Personalized Load Calculator?
Max Load - Barrel Length: 25.6"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 92% | 54,549 psi | 85% | 3061 fps | 100% |
| Accurate 4350 | <<locked>> | 84% | 55,593 psi | 87% | 3094 fps | 100% |
| Accurate MAGPRO | <<locked>> | 92% | 57,101 psi | 89% | 3225 fps | 98.5% |
| ADI AR 2209 | <<locked>> | 90% | 56,449 psi | 88% | 3156 fps | 99.6% |
| ADI AR 2213 | <<locked>> | 92% | 54,273 psi | 85% | 3159 fps | 98.8% |
| ADI AR 2217ᴾ | <<locked>> | 100% | 52,344 psi | 82% | 3117 fps | 98.9% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 46,876 psi | 73% | 3077 fps | 99.9% |
| Alliant Reloder-16 | <<locked>> | 86% | 56,434 psi | 88% | 3150 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 90% | 55,869 psi | 88% | 3143 fps | 99.6% |
| Alliant Reloder-22 | <<locked>> | 92% | 54,520 psi | 85% | 3156 fps | 99.6% |
| Alliant Reloder-23 | <<locked>> | 94% | 55,912 psi | 88% | 3127 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 98% | 55,419 psi | 87% | 3192 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 90% | 56,478 psi | 89% | 3222 fps | 100% |
| Baschieri & Pellagri 109 | <<locked>> | 94% | 55,782 psi | 87% | 3117 fps | 96.7% |
| Bofors RP15 | <<locked>> | 96% | 57,450 psi | 90% | 3205 fps | 99.8% |
| Bofors RP30ᴾ | <<locked>> | 100% | 55,056 psi | 86% | 3192 fps | 99.3% |
| Bofors RP5 | <<locked>> | 92% | 54,520 psi | 85% | 3156 fps | 99.6% |
| Bofors RP7 | <<locked>> | 84% | 57,435 psi | 90% | 3094 fps | 99.9% |
| Hodgdon H1000 | <<locked>> | 98% | 53,853 psi | 84% | 3146 fps | 99.4% |
| Hodgdon H414 | <<locked>> | 84% | 57,145 psi | 90% | 3150 fps | 100% |
| Hodgdon H4350 | <<locked>> | 82% | 55,840 psi | 88% | 3104 fps | 99.7% |
| Hodgdon H4831 | <<locked>> | 90% | 54,056 psi | 85% | 3094 fps | 98.3% |
| Hodgdon H4831 SC | <<locked>> | 92% | 56,739 psi | 89% | 3136 fps | 98.7% |
| Hodgdon Hybrid 100V | <<locked>> | 88% | 56,855 psi | 89% | 3068 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 98% | 54,157 psi | 85% | 3268 fps | 100% |
| Hodgdon Superformance | <<locked>> | 82% | 53,911 psi | 84% | 3127 fps | 99.9% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 37,289 psi | 58% | 1975 fps | 100% |
| IMR 4350 | <<locked>> | 86% | 55,883 psi | 88% | 3081 fps | 99.9% |
| IMR 4451 Enduron | <<locked>> | 82% | 55,274 psi | 87% | 3058 fps | 99.9% |
| IMR 4831 | <<locked>> | 86% | 55,970 psi | 88% | 3084 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 90% | 55,056 psi | 86% | 3077 fps | 98.5% |
| IMR 7828 SSC | <<locked>> | 94% | 56,101 psi | 88% | 3202 fps | 99.2% |
| IMR 8133 Enduronᴾ | <<locked>> | 100% | 42,308 psi | 66% | 2969 fps | 96.8% |
| Lovex S065 | <<locked>> | 84% | 56,086 psi | 88% | 3058 fps | 100% |
| Lovex S070 | <<locked>> | 84% | 54,534 psi | 85% | 3058 fps | 100% |
| Lovex S071 | <<locked>> | 98% | 55,912 psi | 88% | 3081 fps | 100% |
| Norma 204 | <<locked>> | 86% | 56,826 psi | 89% | 3136 fps | 99.6% |
| Norma 217ᴾ | <<locked>> | 100% | 42,670 psi | 67% | 2999 fps | 98.9% |
| Norma MRP | <<locked>> | 90% | 54,273 psi | 85% | 3176 fps | 100% |
| Norma URP | <<locked>> | 86% | 57,493 psi | 90% | 3130 fps | 100% |
| Ramshot Grand | <<locked>> | 94% | 57,145 psi | 90% | 3225 fps | 99.5% |
| Ramshot Hunter | <<locked>> | 86% | 56,463 psi | 88% | 3136 fps | 100% |
| Ramshot Magnum | <<locked>> | 96% | 55,593 psi | 87% | 3153 fps | 99.9% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 38,043 psi | 60% | 2018 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 84% | 55,753 psi | 87% | 3117 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 84% | 54,070 psi | 85% | 3146 fps | 100% |
| ReloadSwiss RS 76 | <<locked>> | 98% | 55,056 psi | 86% | 3264 fps | 100% |
| ReloadSwiss RS 80ᴾ | <<locked>> | 100% | 54,244 psi | 85% | 3212 fps | 98.3% |
| Rottweil R 904 | <<locked>> | 90% | 57,551 psi | 90% | 3127 fps | 99.2% |
| Rottweil R 905 | <<locked>> | 90% | 55,651 psi | 87% | 3133 fps | 99.7% |
| Rottweil R 907 | <<locked>> | 84% | 57,435 psi | 90% | 3094 fps | 99.9% |
| Shooters World Long Rifle | <<locked>> | 84% | 56,086 psi | 88% | 3058 fps | 100% |
| Shooters World SW4350 | <<locked>> | 84% | 54,534 psi | 85% | 3058 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 84% | 55,259 psi | 87% | 3009 fps | 100% |
| SNPE Vectan Tubal 8000 | <<locked>> | 90% | 55,230 psi | 87% | 3130 fps | 99.6% |
| Somchem S361 | <<locked>> | 88% | 55,347 psi | 87% | 3051 fps | 98.4% |
| Somchem S365 | <<locked>> | 86% | 54,781 psi | 86% | 3077 fps | 100% |
| Somchem S385 | <<locked>> | 90% | 55,985 psi | 88% | 3100 fps | 99.9% |
| Vihtavuori N150 | <<locked>> | 82% | 56,202 psi | 88% | 2995 fps | 100% |
| Vihtavuori N160 | <<locked>> | 84% | 55,651 psi | 87% | 3064 fps | 100% |
| Vihtavuori N165 | <<locked>> | 94% | 55,666 psi | 87% | 3081 fps | 99.8% |
| Vihtavuori N550 | <<locked>> | 84% | 54,984 psi | 86% | 3071 fps | 100% |
| Vihtavuori N555 | <<locked>> | 90% | 54,375 psi | 85% | 3100 fps | 100% |
| Vihtavuori N560 | <<locked>> | 90% | 54,027 psi | 85% | 3173 fps | 98.5% |
| Vihtavuori N565 | <<locked>> | 96% | 54,331 psi | 85% | 3156 fps | 98.7% |
| Vihtavuori N568ᴾ | <<locked>> | 100% | 54,998 psi | 86% | 3215 fps | 97.9% |
| Winchester 6.5 StaBALL | <<locked>> | 84% | 55,129 psi | 86% | 3015 fps | 100% |
| Winchester 760 | <<locked>> | 84% | 57,392 psi | 90% | 3156 fps | 100% |
| Winchester StaBALL HD | <<locked>> | 94% | 54,128 psi | 85% | 3212 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 92% | 56,043 psi | 88% | 3097 fps | 99.6% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 25.6"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 80% | 36,318 psi | 57% | 2707 fps | 98.1% |
| Accurate 4350 | <<locked>> | 80% | 48,443 psi | 76% | 2976 fps | 100% |
| Accurate MAGPRO | <<locked>> | 84% | 43,091 psi | 68% | 2953 fps | 95.2% |
| ADI AR 2209 | <<locked>> | 80% | 40,248 psi | 63% | 2841 fps | 96.8% |
| ADI AR 2213 | <<locked>> | 84% | 41,234 psi | 65% | 2894 fps | 95.8% |
| ADI AR 2217 | <<locked>> | 92% | 39,885 psi | 63% | 2858 fps | 95.7% |
| ADI AR 2225 | <<locked>> | 88% | 31,604 psi | 50% | 2687 fps | 95.5% |
| Alliant Reloder-16 | <<locked>> | 80% | 46,369 psi | 73% | 2982 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 80% | 40,335 psi | 63% | 2835 fps | 96.9% |
| Alliant Reloder-22 | <<locked>> | 80% | 36,172 psi | 57% | 2772 fps | 95.6% |
| Alliant Reloder-23 | <<locked>> | 80% | 34,896 psi | 55% | 2736 fps | 99.9% |
| Alliant Reloder-25 | <<locked>> | 80% | 30,298 psi | 47% | 2638 fps | 96.7% |
| Alliant Reloder-26 | <<locked>> | 80% | 38,653 psi | 61% | 2890 fps | 99.6% |
| Baschieri & Pellagri 109 | <<locked>> | 90% | 49,255 psi | 77% | 2992 fps | 95% |
| Bofors RP15 | <<locked>> | 82% | 36,100 psi | 57% | 2769 fps | 95.4% |
| Bofors RP30 | <<locked>> | 90% | 39,059 psi | 61% | 2871 fps | 95.8% |
| Bofors RP5 | <<locked>> | 80% | 36,172 psi | 57% | 2772 fps | 95.6% |
| Bofors RP7 | <<locked>> | 80% | 50,662 psi | 79% | 2976 fps | 99.5% |
| Hodgdon H1000 | <<locked>> | 88% | 38,232 psi | 60% | 2822 fps | 95.8% |
| Hodgdon H414 | <<locked>> | 80% | 50,082 psi | 78% | 3031 fps | 99.7% |
| Hodgdon H4350 | <<locked>> | 80% | 52,315 psi | 82% | 3041 fps | 99.4% |
| Hodgdon H4831 | <<locked>> | 82% | 41,191 psi | 65% | 2838 fps | 95.1% |
| Hodgdon H4831 SC | <<locked>> | 84% | 43,236 psi | 68% | 2884 fps | 95.8% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 43,671 psi | 68% | 2854 fps | 100% |
| Hodgdon Retumbo | 58.3 gr | 84% | 33,808 psi | 53% | 2789 fps | 95% |
| Hodgdon Superformance | <<locked>> | 80% | 49,879 psi | 78% | 3058 fps | 99.6% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,862 psi | 44% | 1765 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 46,035 psi | 72% | 2904 fps | 99% |
| IMR 4451 Enduron | <<locked>> | 80% | 52,069 psi | 82% | 3005 fps | 99.8% |
| IMR 4831 | <<locked>> | 80% | 46,050 psi | 72% | 2917 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 82% | 42,728 psi | 67% | 2838 fps | 95.8% |
| IMR 7828 SSC | <<locked>> | 84% | 39,885 psi | 63% | 2874 fps | 95.4% |
| IMR 8133 Enduron | <<locked>> | 98% | 39,682 psi | 62% | 2907 fps | 95.9% |
| Lovex S065 | <<locked>> | 80% | 49,545 psi | 78% | 2949 fps | 100% |
| Lovex S070 | <<locked>> | 80% | 47,906 psi | 75% | 2940 fps | 99.6% |
| Lovex S071 | <<locked>> | 80% | 31,270 psi | 49% | 2575 fps | 96.4% |
| Norma 204 | <<locked>> | 80% | 46,282 psi | 73% | 2949 fps | 98.2% |
| Norma 217 | <<locked>> | 92% | 32,561 psi | 51% | 2743 fps | 95.4% |
| Norma MRP | <<locked>> | 80% | 37,985 psi | 60% | 2848 fps | 97.6% |
| Norma URP | <<locked>> | 80% | 47,282 psi | 74% | 2959 fps | 100% |
| Ramshot Grand | <<locked>> | 84% | 39,508 psi | 62% | 2877 fps | 95.7% |
| Ramshot Hunter | <<locked>> | 80% | 46,195 psi | 72% | 2956 fps | 99.7% |
| Ramshot Magnum | <<locked>> | 82% | 32,924 psi | 52% | 2684 fps | 95.2% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,601 psi | 45% | 1811 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 48,573 psi | 76% | 2999 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 46,601 psi | 73% | 3015 fps | 100% |
| ReloadSwiss RS 76 | 62.4 gr | 84% | 32,996 psi | 52% | 2762 fps | 96.1% |
| ReloadSwiss RS 80 | <<locked>> | 94% | 43,033 psi | 67% | 2995 fps | 95.5% |
| Rottweil R 904 | <<locked>> | 80% | 41,713 psi | 65% | 2822 fps | 96.1% |
| Rottweil R 905 | <<locked>> | 80% | 39,740 psi | 62% | 2825 fps | 96.9% |
| Rottweil R 907 | <<locked>> | 80% | 50,662 psi | 79% | 2976 fps | 99.5% |
| Shooters World Long Rifle | <<locked>> | 80% | 49,545 psi | 78% | 2949 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 47,906 psi | 75% | 2940 fps | 99.6% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 48,675 psi | 76% | 2897 fps | 99.6% |
| SNPE Vectan Tubal 8000 | <<locked>> | 80% | 39,407 psi | 62% | 2818 fps | 96.7% |
| Somchem S361 | <<locked>> | 80% | 42,322 psi | 66% | 2805 fps | 95.5% |
| Somchem S365 | <<locked>> | 80% | 44,512 psi | 70% | 2913 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 40,248 psi | 63% | 2802 fps | 97.8% |
| Vihtavuori N150 | <<locked>> | 80% | 52,649 psi | 83% | 2943 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 48,733 psi | 76% | 2953 fps | 100% |
| Vihtavuori N165 | <<locked>> | 80% | 34,911 psi | 55% | 2667 fps | 95.8% |
| Vihtavuori N550 | <<locked>> | 80% | 48,080 psi | 75% | 2956 fps | 100% |
| Vihtavuori N555 | <<locked>> | 80% | 39,262 psi | 62% | 2822 fps | 99.9% |
| Vihtavuori N560 | <<locked>> | 82% | 40,973 psi | 64% | 2907 fps | 95.2% |
| Vihtavuori N565 | <<locked>> | 88% | 41,307 psi | 65% | 2894 fps | 95.7% |
| Vihtavuori N568 | <<locked>> | 94% | 44,396 psi | 70% | 3009 fps | 95.3% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 47,921 psi | 75% | 2907 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 50,082 psi | 78% | 3031 fps | 99.7% |
| Winchester StaBALL HD | 57 gr | 80% | 31,169 psi | 49% | 2762 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 80% | 36,898 psi | 58% | 2723 fps | 95.8% |
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 70 powders for 6.5 x 63 R Messner Mag. loaded with the .264 | 124gr | Sellier & Bellot FMJ. Hodgdon Retumbo delivers the highest muzzle velocity at 3,268 fps; across all powders the maximum-charge window runs from 1,975 fps to 3,268 fps. ADI AR 2217 gives the best case fill at 100 %, and 70 of the 70 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (440 MPa), the top charges use 58–90 %, leaving at least 10 % headroom. The 124.0 gr projectile in 0.264" calls for a 1:11.5 twist; slower twists will usually not stabilise this weight. ADI AR 2217, ADI AR 2225, Bofors RP30 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, Winchester StaBALL HD, ReloadSwiss RS 76 rank at the top here: for 6.5 x 63 R Messner Mag. with the .264 | 124gr | Sellier & Bellot FMJ 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.