
Load Specifications
Load data in caliber 6 x 62 R Freres with .243 | 107gr | SUS-TAC HPT bullet and 71 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 76, Hodgdon Retumbo and Vihtavuori N560.
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>> | 92% | 54,636 psi | 88% | 2900 fps | 100% |
| Accurate 4350 | <<locked>> | 84% | 55,419 psi | 89% | 2930 fps | 100% |
| Accurate High Country | <<locked>> | 90% | 55,941 psi | 90% | 3045 fps | 99% |
| Accurate MAGPRO | <<locked>> | 90% | 53,098 psi | 85% | 2982 fps | 97.5% |
| ADI AR 2209 | <<locked>> | 90% | 56,391 psi | 90% | 2989 fps | 99.5% |
| ADI AR 2213 | <<locked>> | 92% | 54,114 psi | 87% | 2986 fps | 98.6% |
| ADI AR 2217ᴾ | <<locked>> | 100% | 52,228 psi | 84% | 2946 fps | 98.6% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 46,789 psi | 75% | 2907 fps | 99.8% |
| Alliant Reloder-16 | <<locked>> | 84% | 52,808 psi | 85% | 2933 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 90% | 55,709 psi | 89% | 2972 fps | 99.5% |
| Alliant Reloder-22 | <<locked>> | 92% | 54,360 psi | 87% | 2982 fps | 99.4% |
| Alliant Reloder-23 | <<locked>> | 94% | 55,651 psi | 89% | 2956 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 98% | 55,259 psi | 89% | 3018 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 90% | 56,333 psi | 90% | 3045 fps | 100% |
| Baschieri & Pellagri 109 | <<locked>> | 94% | 55,724 psi | 89% | 2943 fps | 96.4% |
| Bofors RP15 | <<locked>> | 94% | 53,577 psi | 86% | 2969 fps | 99.3% |
| Bofors RP30ᴾ | <<locked>> | 100% | 54,984 psi | 88% | 3018 fps | 99.2% |
| Bofors RP5 | <<locked>> | 92% | 54,360 psi | 87% | 2982 fps | 99.4% |
| Bofors RP7 | <<locked>> | 82% | 53,708 psi | 86% | 2874 fps | 99.7% |
| Hodgdon H1000 | <<locked>> | 98% | 53,693 psi | 86% | 2972 fps | 99.3% |
| Hodgdon H414 | <<locked>> | 82% | 53,374 psi | 86% | 2927 fps | 99.8% |
| Hodgdon H4350 | <<locked>> | 82% | 55,796 psi | 89% | 2940 fps | 99.6% |
| Hodgdon H4831 | <<locked>> | 90% | 53,940 psi | 86% | 2923 fps | 98% |
| Hodgdon H4831 SC | <<locked>> | 90% | 52,982 psi | 85% | 2910 fps | 97.8% |
| Hodgdon Hybrid 100V | <<locked>> | 86% | 52,895 psi | 85% | 2854 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 98% | 54,157 psi | 87% | 3091 fps | 99.9% |
| Hodgdon Superformance | <<locked>> | 82% | 53,853 psi | 86% | 2956 fps | 99.8% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 37,144 psi | 60% | 1883 fps | 100% |
| IMR 4350 | <<locked>> | 86% | 55,448 psi | 89% | 2910 fps | 99.8% |
| IMR 4451 Enduron | <<locked>> | 82% | 55,100 psi | 88% | 2897 fps | 99.9% |
| IMR 4831 | <<locked>> | 86% | 55,767 psi | 89% | 2920 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 90% | 55,027 psi | 88% | 2913 fps | 98.3% |
| IMR 7828 SSC | <<locked>> | 94% | 55,956 psi | 90% | 3028 fps | 98.9% |
| IMR 8133 Enduronᴾ | <<locked>> | 100% | 42,308 psi | 68% | 2805 fps | 96.4% |
| Lovex S065 | <<locked>> | 84% | 56,086 psi | 90% | 2897 fps | 100% |
| Lovex S070 | <<locked>> | 84% | 54,360 psi | 87% | 2894 fps | 99.9% |
| Lovex S071 | <<locked>> | 98% | 55,651 psi | 89% | 2913 fps | 100% |
| Norma 204 | <<locked>> | 84% | 52,910 psi | 85% | 2907 fps | 99% |
| Norma 217ᴾ | <<locked>> | 100% | 42,656 psi | 68% | 2835 fps | 98.6% |
| Norma MRP | <<locked>> | 90% | 54,186 psi | 87% | 3002 fps | 99.9% |
| Norma URP | <<locked>> | 84% | 53,838 psi | 86% | 2913 fps | 100% |
| Ramshot Grand | <<locked>> | 92% | 52,649 psi | 84% | 2982 fps | 98.8% |
| Ramshot Hunter | <<locked>> | 86% | 56,434 psi | 90% | 2969 fps | 100% |
| Ramshot Magnum | <<locked>> | 96% | 55,564 psi | 89% | 2979 fps | 99.9% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 38,087 psi | 61% | 1932 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 84% | 55,419 psi | 89% | 2949 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 84% | 53,998 psi | 87% | 2979 fps | 100% |
| ReloadSwiss RS 76 | <<locked>> | 98% | 55,230 psi | 89% | 3087 fps | 100% |
| ReloadSwiss RS 80ᴾ | <<locked>> | 100% | 54,418 psi | 87% | 3035 fps | 98.1% |
| Rottweil R 904 | <<locked>> | 88% | 53,635 psi | 86% | 2897 fps | 98.5% |
| Rottweil R 905 | <<locked>> | 90% | 55,506 psi | 89% | 2966 fps | 99.5% |
| Rottweil R 907 | <<locked>> | 82% | 53,708 psi | 86% | 2874 fps | 99.7% |
| Shooters World Long Rifle | <<locked>> | 84% | 56,086 psi | 90% | 2897 fps | 100% |
| Shooters World SW4350 | <<locked>> | 84% | 54,360 psi | 87% | 2894 fps | 99.9% |
| SNPE Vectan Tubal 7000 | <<locked>> | 84% | 55,187 psi | 88% | 2848 fps | 99.9% |
| SNPE Vectan Tubal 8000 | <<locked>> | 90% | 55,085 psi | 88% | 2963 fps | 99.5% |
| Somchem S361 | <<locked>> | 88% | 55,201 psi | 89% | 2887 fps | 98.2% |
| Somchem S365 | <<locked>> | 86% | 54,288 psi | 87% | 2913 fps | 100% |
| Somchem S385 | <<locked>> | 90% | 55,941 psi | 90% | 2936 fps | 99.8% |
| Vihtavuori N150 | <<locked>> | 82% | 56,101 psi | 90% | 2841 fps | 100% |
| Vihtavuori N160 | <<locked>> | 84% | 55,477 psi | 89% | 2904 fps | 100% |
| Vihtavuori N165 | <<locked>> | 94% | 55,651 psi | 89% | 2917 fps | 99.7% |
| Vihtavuori N550 | <<locked>> | 84% | 54,694 psi | 88% | 2907 fps | 100% |
| Vihtavuori N555 | <<locked>> | 90% | 54,418 psi | 87% | 2936 fps | 100% |
| Vihtavuori N560 | <<locked>> | 90% | 53,940 psi | 86% | 2999 fps | 98.2% |
| Vihtavuori N565 | <<locked>> | 96% | 54,114 psi | 87% | 2976 fps | 98.5% |
| Vihtavuori N568ᴾ | <<locked>> | 100% | 55,216 psi | 89% | 3041 fps | 97.7% |
| Winchester 6.5 StaBALL | <<locked>> | 84% | 55,129 psi | 88% | 2858 fps | 100% |
| Winchester 760 | <<locked>> | 82% | 53,374 psi | 86% | 2927 fps | 99.8% |
| Winchester StaBALL HD | <<locked>> | 94% | 54,143 psi | 87% | 3041 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 92% | 55,738 psi | 89% | 2927 fps | 99.5% |
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>> | 80% | 36,289 psi | 58% | 2562 fps | 97.8% |
| Accurate 4350 | <<locked>> | 80% | 48,399 psi | 78% | 2822 fps | 100% |
| Accurate High Country | <<locked>> | 82% | 42,308 psi | 68% | 2789 fps | 96% |
| Accurate MAGPRO | <<locked>> | 86% | 45,948 psi | 74% | 2851 fps | 95.7% |
| ADI AR 2209 | <<locked>> | 80% | 40,103 psi | 64% | 2687 fps | 96.4% |
| ADI AR 2213 | <<locked>> | 84% | 41,133 psi | 66% | 2736 fps | 95.3% |
| ADI AR 2217 | <<locked>> | 92% | 39,813 psi | 64% | 2700 fps | 95.2% |
| ADI AR 2225 | <<locked>> | 90% | 33,591 psi | 54% | 2595 fps | 96.1% |
| Alliant Reloder-16 | <<locked>> | 80% | 46,122 psi | 74% | 2825 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 80% | 40,321 psi | 65% | 2687 fps | 96.5% |
| Alliant Reloder-22 | <<locked>> | 80% | 35,969 psi | 58% | 2618 fps | 95% |
| Alliant Reloder-23 | <<locked>> | 80% | 34,780 psi | 56% | 2589 fps | 99.8% |
| Alliant Reloder-25 | <<locked>> | 80% | 30,153 psi | 48% | 2493 fps | 96.2% |
| Alliant Reloder-26 | <<locked>> | 80% | 38,406 psi | 62% | 2730 fps | 99.4% |
| Baschieri & Pellagri 109 | <<locked>> | 92% | 52,576 psi | 84% | 2890 fps | 95.6% |
| Bofors RP15 | <<locked>> | 84% | 38,464 psi | 62% | 2677 fps | 95.8% |
| Bofors RP30 | <<locked>> | 90% | 38,870 psi | 62% | 2710 fps | 95.3% |
| Bofors RP5 | <<locked>> | 80% | 35,969 psi | 58% | 2618 fps | 95% |
| Bofors RP7 | <<locked>> | 80% | 50,415 psi | 81% | 2818 fps | 99.3% |
| Hodgdon H1000 | <<locked>> | 88% | 38,014 psi | 61% | 2661 fps | 95.2% |
| Hodgdon H414 | <<locked>> | 80% | 49,763 psi | 80% | 2867 fps | 99.6% |
| Hodgdon H4350 | <<locked>> | 80% | 52,098 psi | 84% | 2877 fps | 99.2% |
| Hodgdon H4831 | <<locked>> | 84% | 43,903 psi | 70% | 2743 fps | 95.6% |
| Hodgdon H4831 SC | <<locked>> | 84% | 43,134 psi | 69% | 2726 fps | 95.3% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 43,526 psi | 70% | 2703 fps | 100% |
| Hodgdon Retumbo | 48.3 gr | 86% | 36,071 psi | 58% | 2700 fps | 95.7% |
| Hodgdon Superformance | <<locked>> | 80% | 49,806 psi | 80% | 2890 fps | 99.5% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,731 psi | 44% | 1686 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 45,876 psi | 74% | 2749 fps | 98.7% |
| IMR 4451 Enduron | <<locked>> | 80% | 51,764 psi | 83% | 2841 fps | 99.7% |
| IMR 4831 | <<locked>> | 80% | 45,890 psi | 74% | 2762 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 82% | 42,511 psi | 68% | 2684 fps | 95.4% |
| IMR 7828 SSC | <<locked>> | 86% | 42,395 psi | 68% | 2776 fps | 95.9% |
| IMR 8133 Enduron | <<locked>> | 98% | 39,523 psi | 63% | 2743 fps | 95.4% |
| Lovex S065 | <<locked>> | 80% | 49,458 psi | 79% | 2795 fps | 99.9% |
| Lovex S070 | <<locked>> | 80% | 47,877 psi | 77% | 2785 fps | 99.4% |
| Lovex S071 | <<locked>> | 80% | 31,067 psi | 50% | 2434 fps | 95.9% |
| Norma 204 | <<locked>> | 80% | 46,122 psi | 74% | 2789 fps | 97.9% |
| Norma 217 | <<locked>> | 94% | 34,693 psi | 56% | 2648 fps | 95.9% |
| Norma MRP | <<locked>> | 80% | 37,869 psi | 61% | 2694 fps | 97.3% |
| Norma URP | <<locked>> | 80% | 47,239 psi | 76% | 2805 fps | 100% |
| Ramshot Grand | <<locked>> | 84% | 39,305 psi | 63% | 2717 fps | 95.2% |
| Ramshot Hunter | <<locked>> | 80% | 46,021 psi | 74% | 2799 fps | 99.6% |
| Ramshot Magnum | <<locked>> | 84% | 35,230 psi | 56% | 2595 fps | 95.8% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,398 psi | 46% | 1729 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 48,341 psi | 78% | 2838 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 46,586 psi | 75% | 2858 fps | 100% |
| ReloadSwiss RS 76 | 50.5 gr | 84% | 32,967 psi | 53% | 2608 fps | 95.5% |
| ReloadSwiss RS 80 | <<locked>> | 94% | 42,960 psi | 69% | 2825 fps | 95% |
| Rottweil R 904 | <<locked>> | 80% | 41,350 psi | 66% | 2667 fps | 95.6% |
| Rottweil R 905 | <<locked>> | 80% | 39,523 psi | 63% | 2667 fps | 96.4% |
| Rottweil R 907 | <<locked>> | 80% | 50,415 psi | 81% | 2818 fps | 99.3% |
| Shooters World Long Rifle | <<locked>> | 80% | 49,458 psi | 79% | 2795 fps | 99.9% |
| Shooters World SW4350 | <<locked>> | 80% | 47,877 psi | 77% | 2785 fps | 99.4% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 48,544 psi | 78% | 2743 fps | 99.5% |
| SNPE Vectan Tubal 8000 | <<locked>> | 80% | 39,189 psi | 63% | 2661 fps | 96.3% |
| Somchem S361 | <<locked>> | 80% | 42,322 psi | 68% | 2654 fps | 95.1% |
| Somchem S365 | <<locked>> | 80% | 44,295 psi | 71% | 2756 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 40,045 psi | 64% | 2648 fps | 97.4% |
| Vihtavuori N150 | <<locked>> | 80% | 52,591 psi | 84% | 2792 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 48,718 psi | 78% | 2799 fps | 100% |
| Vihtavuori N165 | <<locked>> | 80% | 34,911 psi | 56% | 2526 fps | 95.3% |
| Vihtavuori N550 | <<locked>> | 80% | 47,892 psi | 77% | 2799 fps | 100% |
| Vihtavuori N555 | <<locked>> | 80% | 39,015 psi | 63% | 2667 fps | 99.7% |
| Vihtavuori N560 | 48.9 gr | 84% | 43,671 psi | 70% | 2805 fps | 95.7% |
| Vihtavuori N565 | <<locked>> | 88% | 41,292 psi | 66% | 2736 fps | 95.3% |
| Vihtavuori N568 | <<locked>> | 96% | 47,529 psi | 76% | 2904 fps | 95.9% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 47,950 psi | 77% | 2756 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 50,053 psi | 80% | 2871 fps | 99.6% |
| Winchester StaBALL HD | <<locked>> | 80% | 30,966 psi | 50% | 2608 fps | 99.9% |
| Winchester Supreme 780 | <<locked>> | 80% | 36,767 psi | 59% | 2575 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 76 powders for 6 x 62 R Freres loaded with the .243 | 107gr | SUS-TAC HPT. Hodgdon Retumbo delivers the highest muzzle velocity at 3,091 fps; across all powders the maximum-charge window runs from 1,883 fps to 3,091 fps. ADI AR 2217 gives the best case fill at 100 %, and 76 of the 76 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (430 MPa), the top charges use 60–90 %, leaving at least 10 % headroom. The 107.0 gr projectile in 0.243" calls for a 1:6.5 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. ReloadSwiss RS 76, Hodgdon Retumbo, Vihtavuori N560 rank at the top here: for 6 x 62 R Freres with the .243 | 107gr | SUS-TAC HPT they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, ADI AR 2218, Alliant Reloder-33, IMR 7977 Enduron burn incompletely and react more sensitively to barrel length and temperature. Always begin at the start load and work up in small increments while checking case and primer for pressure signs.