
Load Specifications
Load data in caliber 6 x 62 R Freres with .243 | 85gr | Lehigh Defense Controlled Chaos bullet and 71 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant Reloder-26, Winchester StaBALL HD and IMR 7828 SSC.
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% | 55,753 psi | 89% | 3189 fps | 99.7% |
| Accurate 4350 | <<locked>> | 86% | 53,055 psi | 85% | 3182 fps | 99.9% |
| ADI AR 2208 | <<locked>> | 82% | 54,621 psi | 88% | 3163 fps | 100% |
| ADI AR 2209 | <<locked>> | 92% | 54,244 psi | 87% | 3228 fps | 97.9% |
| ADI AR 2213 | <<locked>> | 96% | 56,043 psi | 90% | 3287 fps | 97.2% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 41,640 psi | 67% | 3028 fps | 96.9% |
| Alliant Reloder- TS 15.5 | <<locked>> | 82% | 55,782 psi | 89% | 3189 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 88% | 54,070 psi | 87% | 3251 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 84% | 55,303 psi | 89% | 3268 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 92% | 53,882 psi | 86% | 3215 fps | 97.9% |
| Alliant Reloder-22 | <<locked>> | 96% | 55,854 psi | 90% | 3284 fps | 98.4% |
| Alliant Reloder-23 | <<locked>> | 96% | 52,939 psi | 85% | 3209 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 52,562 psi | 84% | 3255 fps | 99.9% |
| Alliant Reloder-26 | <<locked>> | 92% | 53,432 psi | 86% | 3287 fps | 100% |
| Bofors RP15 | <<locked>> | 98% | 54,694 psi | 88% | 3261 fps | 98.1% |
| Bofors RP30ᴾ | <<locked>> | 100% | 48,501 psi | 78% | 3163 fps | 96.1% |
| Bofors RP5 | <<locked>> | 96% | 55,854 psi | 90% | 3284 fps | 98.4% |
| Bofors RP7 | <<locked>> | 86% | 55,927 psi | 90% | 3189 fps | 98.9% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 51,779 psi | 83% | 3192 fps | 97.2% |
| Hodgdon H414 | <<locked>> | 86% | 55,187 psi | 88% | 3238 fps | 99.2% |
| Hodgdon H4350 | <<locked>> | 84% | 54,172 psi | 87% | 3192 fps | 98.1% |
| Hodgdon H4831 | <<locked>> | 94% | 55,767 psi | 89% | 3219 fps | 96.4% |
| Hodgdon H4831 SC | <<locked>> | 94% | 54,839 psi | 88% | 3205 fps | 96.2% |
| Hodgdon Hybrid 100V | <<locked>> | 90% | 54,491 psi | 87% | 3169 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 51,329 psi | 82% | 3301 fps | 98.4% |
| Hodgdon Superformance | <<locked>> | 86% | 55,999 psi | 90% | 3271 fps | 99.2% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,738 psi | 59% | 2110 fps | 100% |
| IMR 4350 | <<locked>> | 88% | 53,896 psi | 86% | 3163 fps | 98.7% |
| IMR 4451 Enduron | <<locked>> | 84% | 54,012 psi | 87% | 3159 fps | 98.9% |
| IMR 4831 | <<locked>> | 88% | 53,751 psi | 86% | 3176 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 92% | 53,432 psi | 86% | 3150 fps | 96.1% |
| IMR 7828 SSC | <<locked>> | 96% | 53,592 psi | 86% | 3255 fps | 96.7% |
| Lovex S065 | <<locked>> | 86% | 54,389 psi | 87% | 3156 fps | 99.7% |
| Lovex S070 | <<locked>> | 88% | 56,275 psi | 90% | 3205 fps | 99.4% |
| Lovex S071ᴾ | <<locked>> | 100% | 53,185 psi | 85% | 3150 fps | 99.5% |
| Norma 204 | <<locked>> | 88% | 54,926 psi | 88% | 3215 fps | 97.9% |
| Norma MRP | <<locked>> | 94% | 55,666 psi | 89% | 3307 fps | 99.3% |
| Norma URP | <<locked>> | 88% | 55,521 psi | 89% | 3228 fps | 100% |
| Ramshot Grand | <<locked>> | 96% | 54,143 psi | 87% | 3271 fps | 97.3% |
| Ramshot Hunter | <<locked>> | 88% | 54,360 psi | 87% | 3222 fps | 99.5% |
| Ramshot Magnum | <<locked>> | 98% | 52,634 psi | 84% | 3202 fps | 98.6% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,521 psi | 60% | 2156 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 82% | 54,708 psi | 88% | 3258 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 86% | 53,417 psi | 86% | 3202 fps | 99.9% |
| ReloadSwiss RS 70 | <<locked>> | 88% | 55,506 psi | 89% | 3291 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 52,475 psi | 84% | 3304 fps | 99.5% |
| Rottweil R 903 | <<locked>> | 82% | 53,592 psi | 86% | 3146 fps | 100% |
| Rottweil R 904 | <<locked>> | 92% | 55,521 psi | 89% | 3199 fps | 97.1% |
| Rottweil R 905 | <<locked>> | 92% | 53,272 psi | 85% | 3202 fps | 97.9% |
| Rottweil R 907 | <<locked>> | 86% | 55,927 psi | 90% | 3189 fps | 98.9% |
| Shooters World Long Rifle | <<locked>> | 86% | 54,389 psi | 87% | 3156 fps | 99.7% |
| Shooters World SW4350 | <<locked>> | 88% | 56,275 psi | 90% | 3205 fps | 99.4% |
| SNPE Vectan SP 11 | <<locked>> | 82% | 55,158 psi | 88% | 3205 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 82% | 53,737 psi | 86% | 3028 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 86% | 54,041 psi | 87% | 3104 fps | 99% |
| SNPE Vectan Tubal 8000 | <<locked>> | 94% | 56,333 psi | 90% | 3258 fps | 98.4% |
| Somchem S355 | <<locked>> | 82% | 53,127 psi | 85% | 3140 fps | 100% |
| Somchem S361 | <<locked>> | 90% | 53,925 psi | 86% | 3123 fps | 96.1% |
| Somchem S365 | <<locked>> | 90% | 55,564 psi | 89% | 3232 fps | 100% |
| Somchem S385 | <<locked>> | 92% | 53,969 psi | 87% | 3176 fps | 98.7% |
| Vihtavuori N150 | <<locked>> | 84% | 54,476 psi | 87% | 3114 fps | 100% |
| Vihtavuori N160 | <<locked>> | 86% | 53,461 psi | 86% | 3159 fps | 99.9% |
| Vihtavuori N165 | <<locked>> | 96% | 53,330 psi | 86% | 3146 fps | 98.3% |
| Vihtavuori N550 | <<locked>> | 86% | 52,852 psi | 85% | 3159 fps | 99.9% |
| Vihtavuori N555 | <<locked>> | 94% | 55,274 psi | 89% | 3238 fps | 100% |
| Vihtavuori N560 | <<locked>> | 94% | 55,535 psi | 89% | 3294 fps | 96.7% |
| Vihtavuori N565ᴾ | <<locked>> | 100% | 55,332 psi | 89% | 3261 fps | 97% |
| Winchester 6.5 StaBALL | <<locked>> | 86% | 53,374 psi | 86% | 3114 fps | 100% |
| Winchester 760 | <<locked>> | 86% | 55,187 psi | 88% | 3238 fps | 99.2% |
| Winchester StaBALL HD | <<locked>> | 98% | 54,085 psi | 87% | 3340 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 94% | 53,838 psi | 86% | 3163 fps | 97.9% |
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% | 36,854 psi | 59% | 2818 fps | 95.8% |
| Accurate 4350 | <<locked>> | 80% | 43,018 psi | 69% | 2995 fps | 98.9% |
| ADI AR 2208 | <<locked>> | 80% | 51,126 psi | 82% | 3104 fps | 100% |
| ADI AR 2209 | <<locked>> | 86% | 44,309 psi | 71% | 3035 fps | 95.4% |
| ADI AR 2213 | <<locked>> | 92% | 48,704 psi | 78% | 3146 fps | 95.3% |
| ADI AR 2225 | <<locked>> | 98% | 38,928 psi | 62% | 2959 fps | 95.7% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 52,156 psi | 84% | 3130 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 80% | 41,249 psi | 66% | 3002 fps | 99% |
| Alliant Reloder-17 | <<locked>> | 80% | 47,688 psi | 76% | 3136 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 86% | 43,976 psi | 71% | 3018 fps | 95.3% |
| Alliant Reloder-22 | <<locked>> | 90% | 45,295 psi | 73% | 3084 fps | 95.9% |
| Alliant Reloder-23 | <<locked>> | 80% | 30,661 psi | 49% | 2723 fps | 97.1% |
| Alliant Reloder-25 | <<locked>> | 88% | 34,940 psi | 56% | 2858 fps | 95.8% |
| Alliant Reloder-26 | 50.7 gr | 80% | 33,373 psi | 54% | 2848 fps | 95.8% |
| Bofors RP15 | <<locked>> | 92% | 44,672 psi | 72% | 3064 fps | 95.6% |
| Bofors RP30 | <<locked>> | 98% | 45,121 psi | 72% | 3094 fps | 95.1% |
| Bofors RP5 | <<locked>> | 90% | 45,295 psi | 73% | 3084 fps | 95.9% |
| Bofors RP7 | <<locked>> | 80% | 46,050 psi | 74% | 3005 fps | 97% |
| Hodgdon H1000 | <<locked>> | 96% | 44,875 psi | 72% | 3051 fps | 95.1% |
| Hodgdon H414 | <<locked>> | 80% | 44,744 psi | 72% | 3041 fps | 97.2% |
| Hodgdon H4350 | <<locked>> | 80% | 47,398 psi | 76% | 3064 fps | 96.6% |
| Hodgdon H4831 | <<locked>> | 92% | 52,040 psi | 83% | 3153 fps | 95.5% |
| Hodgdon H4831 SC | <<locked>> | 92% | 51,126 psi | 82% | 3136 fps | 95.3% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 38,899 psi | 62% | 2881 fps | 99.4% |
| Hodgdon Retumbo | <<locked>> | 94% | 41,945 psi | 67% | 3084 fps | 95.4% |
| Hodgdon Superformance | <<locked>> | 80% | 44,295 psi | 71% | 3051 fps | 96.8% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,398 psi | 44% | 1893 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 41,553 psi | 67% | 2920 fps | 95.8% |
| IMR 4451 Enduron | <<locked>> | 80% | 47,398 psi | 76% | 3035 fps | 97.8% |
| IMR 4831 | <<locked>> | 80% | 41,060 psi | 66% | 2936 fps | 98.6% |
| IMR 4955 Enduron | <<locked>> | 90% | 50,053 psi | 80% | 3087 fps | 95.2% |
| IMR 7828 SSC | 55.7 gr | 94% | 49,937 psi | 80% | 3182 fps | 95.8% |
| Lovex S065 | <<locked>> | 80% | 45,121 psi | 72% | 2982 fps | 98.4% |
| Lovex S070 | <<locked>> | 80% | 43,410 psi | 70% | 2963 fps | 97.1% |
| Lovex S071 | <<locked>> | 88% | 35,781 psi | 57% | 2792 fps | 95.4% |
| Norma 204 | <<locked>> | 82% | 44,701 psi | 72% | 3018 fps | 95.3% |
| Norma MRP | <<locked>> | 84% | 38,522 psi | 62% | 2956 fps | 95.1% |
| Norma URP | <<locked>> | 80% | 42,395 psi | 68% | 2982 fps | 98.8% |
| Ramshot Grand | <<locked>> | 92% | 46,775 psi | 75% | 3127 fps | 95.2% |
| Ramshot Hunter | <<locked>> | 80% | 41,220 psi | 66% | 2963 fps | 97.1% |
| Ramshot Magnum | <<locked>> | 92% | 41,901 psi | 67% | 2986 fps | 95.8% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,934 psi | 45% | 1936 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 50,618 psi | 81% | 3196 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 43,134 psi | 69% | 3012 fps | 98.8% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 41,466 psi | 66% | 3018 fps | 98.3% |
| ReloadSwiss RS 76 | <<locked>> | 92% | 38,856 psi | 62% | 2989 fps | 95.5% |
| Rottweil R 903 | <<locked>> | 80% | 50,053 psi | 80% | 3091 fps | 100% |
| Rottweil R 904 | <<locked>> | 88% | 48,820 psi | 78% | 3074 fps | 95.5% |
| Rottweil R 905 | <<locked>> | 86% | 43,424 psi | 70% | 3009 fps | 95.4% |
| Rottweil R 907 | <<locked>> | 80% | 46,050 psi | 74% | 3005 fps | 97% |
| Shooters World Long Rifle | <<locked>> | 80% | 45,121 psi | 72% | 2982 fps | 98.4% |
| Shooters World SW4350 | <<locked>> | 80% | 43,410 psi | 70% | 2963 fps | 97.1% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 51,314 psi | 82% | 3140 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 50,227 psi | 81% | 2976 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 44,179 psi | 71% | 2920 fps | 97.2% |
| SNPE Vectan Tubal 8000 | <<locked>> | 86% | 43,047 psi | 69% | 3002 fps | 95.2% |
| Somchem S355 | <<locked>> | 80% | 49,995 psi | 80% | 3084 fps | 100% |
| Somchem S361 | <<locked>> | 88% | 50,241 psi | 81% | 3054 fps | 95.1% |
| Somchem S365 | <<locked>> | 80% | 39,001 psi | 63% | 2930 fps | 99.9% |
| Somchem S385 | <<locked>> | 84% | 41,133 psi | 66% | 2923 fps | 95.6% |
| Vihtavuori N150 | <<locked>> | 80% | 47,834 psi | 77% | 3002 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 43,787 psi | 70% | 2982 fps | 99% |
| Vihtavuori N165 | <<locked>> | 88% | 40,712 psi | 65% | 2900 fps | 95.1% |
| Vihtavuori N550 | <<locked>> | 80% | 43,221 psi | 69% | 2979 fps | 98.8% |
| Vihtavuori N555 | <<locked>> | 80% | 34,330 psi | 55% | 2812 fps | 97.1% |
| Vihtavuori N560 | <<locked>> | 92% | 51,503 psi | 83% | 3219 fps | 95.7% |
| Vihtavuori N565 | <<locked>> | 96% | 48,109 psi | 77% | 3127 fps | 95.1% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 43,105 psi | 69% | 2940 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 45,005 psi | 72% | 3045 fps | 97.3% |
| Winchester StaBALL HD | 48.7 gr | 80% | 27,180 psi | 44% | 2690 fps | 96.1% |
| Winchester Supreme 780 | <<locked>> | 88% | 43,526 psi | 70% | 2966 fps | 95.3% |
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 71 powders for 6 x 62 R Freres loaded with the .243 | 85gr | Lehigh Defense Controlled Chaos. Winchester StaBALL HD delivers the highest muzzle velocity at 3,340 fps; across all powders the maximum-charge window runs from 2,110 fps to 3,340 fps. ADI AR 2225 gives the best case fill at 100 %, and 71 of the 71 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, Winchester StaBALL HD, IMR 7828 SSC rank at the top here: for 6 x 62 R 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.