Load Specifications
Load data in caliber 6 x 62 Freres with .243 | 85gr | Lehigh Defense Controlled Chaos bullet and 73 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant Reloder-26, Accurate High Country and Winchester StaBALL HD.
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 3100 | <<locked>> | 96% | 55,651 psi | 89% | 3186 fps | 99.7% |
| Accurate 4350 | <<locked>> | 86% | 52,852 psi | 85% | 3179 fps | 99.9% |
| Accurate High Country | <<locked>> | 92% | 53,200 psi | 85% | 3268 fps | 96.8% |
| ADI AR 2208 | <<locked>> | 82% | 54,186 psi | 87% | 3156 fps | 100% |
| ADI AR 2209 | <<locked>> | 92% | 53,824 psi | 86% | 3222 fps | 97.8% |
| ADI AR 2213 | <<locked>> | 96% | 55,637 psi | 89% | 3278 fps | 97.1% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 41,321 psi | 66% | 3018 fps | 96.7% |
| Alliant Power Pro Varmint | <<locked>> | 92% | 54,143 psi | 87% | 3219 fps | 97.9% |
| Alliant Reloder- TS 15.5 | <<locked>> | 82% | 55,579 psi | 89% | 3186 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 88% | 53,577 psi | 86% | 3241 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 84% | 54,810 psi | 88% | 3258 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 92% | 53,476 psi | 86% | 3205 fps | 97.8% |
| Alliant Reloder-22 | <<locked>> | 96% | 55,390 psi | 89% | 3278 fps | 98.3% |
| Alliant Reloder-23 | <<locked>> | 98% | 56,318 psi | 90% | 3258 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 52,141 psi | 84% | 3245 fps | 99.9% |
| Alliant Reloder-26 | <<locked>> | 92% | 52,968 psi | 85% | 3281 fps | 100% |
| Bofors RP15 | <<locked>> | 98% | 54,273 psi | 87% | 3255 fps | 98% |
| Bofors RP30ᴾ | <<locked>> | 100% | 48,037 psi | 77% | 3156 fps | 96% |
| Bofors RP5 | <<locked>> | 96% | 55,390 psi | 89% | 3278 fps | 98.3% |
| Bofors RP7 | <<locked>> | 86% | 55,796 psi | 89% | 3186 fps | 98.8% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 51,372 psi | 82% | 3182 fps | 97.1% |
| Hodgdon H414 | <<locked>> | 86% | 54,737 psi | 88% | 3228 fps | 99.1% |
| Hodgdon H4350 | <<locked>> | 84% | 53,998 psi | 87% | 3189 fps | 98% |
| Hodgdon H4831 | <<locked>> | 94% | 55,651 psi | 89% | 3215 fps | 96.4% |
| Hodgdon H4831 SC | <<locked>> | 94% | 54,404 psi | 87% | 3196 fps | 96.1% |
| Hodgdon Hybrid 100V | <<locked>> | 90% | 53,983 psi | 87% | 3159 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 50,952 psi | 82% | 3294 fps | 98.3% |
| Hodgdon Superformance | <<locked>> | 86% | 55,506 psi | 89% | 3261 fps | 99.1% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,695 psi | 59% | 2106 fps | 100% |
| IMR 4350 | <<locked>> | 88% | 53,780 psi | 86% | 3159 fps | 98.6% |
| IMR 4451 Enduron | <<locked>> | 84% | 53,577 psi | 86% | 3150 fps | 98.8% |
| IMR 4831 | <<locked>> | 88% | 53,287 psi | 85% | 3169 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 92% | 53,040 psi | 85% | 3143 fps | 96% |
| IMR 7828 SSC | <<locked>> | 96% | 53,142 psi | 85% | 3245 fps | 96.6% |
| Lovex S065 | <<locked>> | 86% | 54,230 psi | 87% | 3153 fps | 99.6% |
| Lovex S070 | <<locked>> | 88% | 55,825 psi | 90% | 3199 fps | 99.3% |
| Lovex S071ᴾ | <<locked>> | 100% | 52,765 psi | 85% | 3140 fps | 99.4% |
| Norma 204 | <<locked>> | 88% | 54,824 psi | 88% | 3215 fps | 97.8% |
| Norma MRP | <<locked>> | 94% | 55,230 psi | 89% | 3297 fps | 99.2% |
| Norma URP | <<locked>> | 88% | 55,042 psi | 88% | 3219 fps | 100% |
| Ramshot Grand | <<locked>> | 96% | 53,693 psi | 86% | 3261 fps | 97.1% |
| Ramshot Hunter | <<locked>> | 88% | 54,201 psi | 87% | 3215 fps | 99.5% |
| Ramshot Magnum | <<locked>> | 98% | 52,199 psi | 84% | 3192 fps | 98.5% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,478 psi | 60% | 2152 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 82% | 54,157 psi | 87% | 3251 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 86% | 52,939 psi | 85% | 3196 fps | 99.9% |
| ReloadSwiss RS 70 | <<locked>> | 88% | 55,347 psi | 89% | 3287 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 52,083 psi | 84% | 3294 fps | 99.4% |
| Rottweil R 903 | <<locked>> | 82% | 53,127 psi | 85% | 3140 fps | 100% |
| Rottweil R 904 | <<locked>> | 92% | 55,405 psi | 89% | 3196 fps | 97.1% |
| Rottweil R 905 | <<locked>> | 92% | 52,837 psi | 85% | 3196 fps | 97.8% |
| Rottweil R 907 | <<locked>> | 86% | 55,796 psi | 89% | 3186 fps | 98.8% |
| Shooters World Long Rifle | <<locked>> | 86% | 54,230 psi | 87% | 3153 fps | 99.6% |
| Shooters World SW4350 | <<locked>> | 88% | 55,825 psi | 90% | 3199 fps | 99.3% |
| SNPE Vectan SP 11 | <<locked>> | 82% | 54,694 psi | 88% | 3196 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 82% | 53,272 psi | 85% | 3022 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 86% | 53,621 psi | 86% | 3097 fps | 99% |
| SNPE Vectan Tubal 8000 | <<locked>> | 94% | 56,188 psi | 90% | 3255 fps | 98.4% |
| Somchem S355 | <<locked>> | 82% | 52,982 psi | 85% | 3136 fps | 100% |
| Somchem S361 | <<locked>> | 90% | 53,563 psi | 86% | 3114 fps | 95.9% |
| Somchem S365 | <<locked>> | 90% | 55,434 psi | 89% | 3228 fps | 100% |
| Somchem S385 | <<locked>> | 92% | 53,534 psi | 86% | 3169 fps | 98.6% |
| Vihtavuori N150 | <<locked>> | 84% | 54,331 psi | 87% | 3107 fps | 100% |
| Vihtavuori N160 | <<locked>> | 86% | 53,330 psi | 86% | 3156 fps | 99.9% |
| Vihtavuori N165 | <<locked>> | 96% | 53,229 psi | 85% | 3143 fps | 98.3% |
| Vihtavuori N550 | <<locked>> | 88% | 56,304 psi | 90% | 3219 fps | 100% |
| Vihtavuori N555 | <<locked>> | 94% | 54,781 psi | 88% | 3232 fps | 100% |
| Vihtavuori N560 | <<locked>> | 94% | 55,085 psi | 88% | 3287 fps | 96.5% |
| Vihtavuori N565ᴾ | <<locked>> | 100% | 54,926 psi | 88% | 3255 fps | 96.8% |
| Winchester 6.5 StaBALL | <<locked>> | 86% | 53,243 psi | 85% | 3114 fps | 100% |
| Winchester 760 | <<locked>> | 86% | 55,027 psi | 88% | 3235 fps | 99.1% |
| Winchester StaBALL HD | <<locked>> | 98% | 53,548 psi | 86% | 3330 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 94% | 53,708 psi | 86% | 3159 fps | 97.8% |
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 3100 | <<locked>> | 84% | 36,477 psi | 58% | 2808 fps | 95.7% |
| Accurate 4350 | <<locked>> | 80% | 42,844 psi | 69% | 2986 fps | 98.9% |
| Accurate High Country | 55.2 gr | 90% | 49,530 psi | 79% | 3199 fps | 95.8% |
| ADI AR 2208 | <<locked>> | 80% | 50,966 psi | 82% | 3100 fps | 100% |
| ADI AR 2209 | <<locked>> | 86% | 43,903 psi | 70% | 3022 fps | 95.2% |
| ADI AR 2213 | <<locked>> | 92% | 48,312 psi | 77% | 3136 fps | 95.1% |
| ADI AR 2225 | <<locked>> | 98% | 38,856 psi | 62% | 2956 fps | 95.6% |
| Alliant Power Pro Varmint | <<locked>> | 86% | 44,295 psi | 71% | 3025 fps | 95.4% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 51,996 psi | 83% | 3127 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 80% | 41,089 psi | 66% | 2999 fps | 98.9% |
| Alliant Reloder-17 | <<locked>> | 80% | 47,485 psi | 76% | 3133 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 86% | 43,830 psi | 70% | 3015 fps | 95.3% |
| Alliant Reloder-22 | <<locked>> | 90% | 44,904 psi | 72% | 3074 fps | 95.8% |
| Alliant Reloder-23 | <<locked>> | 80% | 30,501 psi | 49% | 2717 fps | 96.9% |
| Alliant Reloder-25 | <<locked>> | 88% | 34,853 psi | 56% | 2854 fps | 95.7% |
| Alliant Reloder-26 | 50.5 gr | 80% | 33,214 psi | 53% | 2841 fps | 95.7% |
| Bofors RP15 | <<locked>> | 92% | 44,280 psi | 71% | 3054 fps | 95.4% |
| Bofors RP30 | <<locked>> | 98% | 44,962 psi | 72% | 3091 fps | 95% |
| Bofors RP5 | <<locked>> | 90% | 44,904 psi | 72% | 3074 fps | 95.8% |
| Bofors RP7 | <<locked>> | 80% | 45,876 psi | 74% | 2999 fps | 96.9% |
| Hodgdon H1000 | <<locked>> | 98% | 47,863 psi | 77% | 3114 fps | 96.1% |
| Hodgdon H414 | <<locked>> | 80% | 44,556 psi | 71% | 3035 fps | 97.2% |
| Hodgdon H4350 | <<locked>> | 80% | 47,239 psi | 76% | 3058 fps | 96.5% |
| Hodgdon H4831 | <<locked>> | 92% | 51,909 psi | 83% | 3150 fps | 95.5% |
| Hodgdon H4831 SC | <<locked>> | 92% | 50,720 psi | 81% | 3127 fps | 95.1% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 38,740 psi | 62% | 2877 fps | 99.3% |
| Hodgdon Retumbo | <<locked>> | 94% | 41,597 psi | 67% | 3074 fps | 95.2% |
| Hodgdon Superformance | <<locked>> | 80% | 44,164 psi | 71% | 3048 fps | 96.8% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,340 psi | 44% | 1890 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 41,379 psi | 66% | 2913 fps | 95.7% |
| IMR 4451 Enduron | <<locked>> | 80% | 47,268 psi | 76% | 3031 fps | 97.7% |
| IMR 4831 | <<locked>> | 80% | 40,886 psi | 66% | 2930 fps | 98.6% |
| IMR 4955 Enduron | <<locked>> | 90% | 49,937 psi | 80% | 3081 fps | 95.2% |
| IMR 7828 SSC | <<locked>> | 94% | 49,501 psi | 79% | 3173 fps | 95.6% |
| Lovex S065 | <<locked>> | 80% | 44,962 psi | 72% | 2979 fps | 98.4% |
| Lovex S070 | <<locked>> | 80% | 43,236 psi | 69% | 2956 fps | 97% |
| Lovex S071 | <<locked>> | 88% | 35,636 psi | 57% | 2785 fps | 95.3% |
| Norma 204 | <<locked>> | 82% | 44,295 psi | 71% | 3009 fps | 95.2% |
| Norma MRP | <<locked>> | 84% | 38,363 psi | 62% | 2949 fps | 95% |
| Norma URP | <<locked>> | 80% | 42,192 psi | 68% | 2976 fps | 98.7% |
| Ramshot Grand | <<locked>> | 92% | 46,383 psi | 74% | 3117 fps | 95% |
| Ramshot Hunter | <<locked>> | 80% | 41,046 psi | 66% | 2959 fps | 97% |
| Ramshot Magnum | <<locked>> | 92% | 41,524 psi | 67% | 2976 fps | 95.6% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,862 psi | 45% | 1932 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 50,401 psi | 81% | 3192 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 42,728 psi | 69% | 3002 fps | 98.7% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 41,104 psi | 66% | 3009 fps | 98.2% |
| ReloadSwiss RS 76 | <<locked>> | 92% | 38,551 psi | 62% | 2982 fps | 95.3% |
| Rottweil R 903 | <<locked>> | 80% | 49,864 psi | 80% | 3084 fps | 100% |
| Rottweil R 904 | <<locked>> | 88% | 48,646 psi | 78% | 3071 fps | 95.4% |
| Rottweil R 905 | <<locked>> | 86% | 43,004 psi | 69% | 2995 fps | 95.1% |
| Rottweil R 907 | <<locked>> | 80% | 45,876 psi | 74% | 2999 fps | 96.9% |
| Shooters World Long Rifle | <<locked>> | 80% | 44,962 psi | 72% | 2979 fps | 98.4% |
| Shooters World SW4350 | <<locked>> | 80% | 43,236 psi | 69% | 2956 fps | 97% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 51,126 psi | 82% | 3136 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 50,038 psi | 80% | 2972 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 44,034 psi | 71% | 2917 fps | 97.1% |
| SNPE Vectan Tubal 8000 | <<locked>> | 86% | 42,627 psi | 68% | 2992 fps | 95% |
| Somchem S355 | <<locked>> | 80% | 49,835 psi | 80% | 3081 fps | 100% |
| Somchem S361 | <<locked>> | 88% | 50,198 psi | 80% | 3054 fps | 95% |
| Somchem S365 | <<locked>> | 80% | 38,798 psi | 62% | 2927 fps | 99.9% |
| Somchem S385 | <<locked>> | 84% | 40,988 psi | 66% | 2920 fps | 95.5% |
| Vihtavuori N150 | <<locked>> | 80% | 47,674 psi | 76% | 2999 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 43,598 psi | 70% | 2976 fps | 98.9% |
| Vihtavuori N165 | <<locked>> | 90% | 43,497 psi | 70% | 2959 fps | 96% |
| Vihtavuori N550 | <<locked>> | 80% | 43,062 psi | 69% | 2976 fps | 98.7% |
| Vihtavuori N555 | <<locked>> | 80% | 34,127 psi | 55% | 2805 fps | 97% |
| Vihtavuori N560 | <<locked>> | 92% | 51,372 psi | 82% | 3215 fps | 95.6% |
| Vihtavuori N565 | <<locked>> | 98% | 51,198 psi | 82% | 3186 fps | 95.9% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 42,960 psi | 69% | 2936 fps | 99.9% |
| Winchester 760 | <<locked>> | 80% | 44,846 psi | 72% | 3038 fps | 97.2% |
| Winchester StaBALL HD | 48.5 gr | 80% | 27,064 psi | 43% | 2684 fps | 95.9% |
| Winchester Supreme 780 | <<locked>> | 88% | 43,381 psi | 70% | 2963 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 73 powders for 6 x 62 Freres loaded with the .243 | 85gr | Lehigh Defense Controlled Chaos. Winchester StaBALL HD delivers the highest muzzle velocity at 3,330 fps; across all powders the maximum-charge window runs from 2,106 fps to 3,330 fps. ADI AR 2225 gives the best case fill at 100 %, and 73 of the 73 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (430 MPa), the top charges use 59–90 %, leaving at least 10 % headroom. The 85.0 gr projectile in 0.243" calls for a 1:8.5 twist; slower twists will usually not stabilise this weight. ADI AR 2225, Alliant Reloder-25, 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. Alliant Reloder-26, Accurate High Country, Winchester StaBALL HD rank at the top here: for 6 x 62 Freres with the .243 | 85gr | Lehigh Defense Controlled Chaos 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.