Load Specifications
Load data in caliber 6 x 62 Freres with .243 | 77gr | Lapua Open Tip bullet and 69 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Hodgdon Retumbo, ReloadSwiss RS 76 and Alliant Reloder-26.
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% | 55,753 psi | 89% | 2940 fps | 100% |
| Accurate 4350 | <<locked>> | 82% | 52,678 psi | 84% | 2913 fps | 100% |
| Accurate MAGPRO | <<locked>> | 90% | 54,404 psi | 87% | 3028 fps | 97.8% |
| ADI AR 2209 | <<locked>> | 88% | 53,650 psi | 86% | 2969 fps | 99.2% |
| ADI AR 2213 | <<locked>> | 92% | 55,477 psi | 89% | 3035 fps | 98.8% |
| ADI AR 2217ᴾ | <<locked>> | 100% | 53,606 psi | 86% | 2995 fps | 98.9% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 48,051 psi | 77% | 2953 fps | 99.9% |
| Alliant Power Pro Varmint | <<locked>> | 88% | 53,983 psi | 87% | 2969 fps | 99.3% |
| Alliant Reloder-16 | <<locked>> | 84% | 53,693 psi | 86% | 2972 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 88% | 53,374 psi | 86% | 2959 fps | 99.2% |
| Alliant Reloder-22 | <<locked>> | 92% | 55,753 psi | 89% | 3031 fps | 99.6% |
| Alliant Reloder-23 | <<locked>> | 92% | 53,592 psi | 86% | 2953 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 96% | 52,982 psi | 85% | 3005 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 88% | 53,708 psi | 86% | 3028 fps | 100% |
| Baschieri & Pellagri 109 | <<locked>> | 92% | 53,403 psi | 86% | 2930 fps | 95.8% |
| Bofors RP15 | <<locked>> | 94% | 54,940 psi | 88% | 3018 fps | 99.4% |
| Bofors RP30 | <<locked>> | 98% | 52,939 psi | 85% | 3005 fps | 98.9% |
| Bofors RP5 | <<locked>> | 92% | 55,753 psi | 89% | 3031 fps | 99.6% |
| Bofors RP7 | <<locked>> | 82% | 54,795 psi | 88% | 2917 fps | 99.7% |
| Hodgdon H1000 | <<locked>> | 98% | 55,114 psi | 88% | 3022 fps | 99.4% |
| Hodgdon H414 | <<locked>> | 82% | 54,447 psi | 87% | 2969 fps | 99.9% |
| Hodgdon H4831 | <<locked>> | 90% | 55,288 psi | 89% | 2972 fps | 98.2% |
| Hodgdon H4831 SC | <<locked>> | 90% | 53,983 psi | 87% | 2953 fps | 98% |
| Hodgdon Hybrid 100V | <<locked>> | 86% | 54,027 psi | 87% | 2897 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 98% | 55,724 psi | 89% | 3140 fps | 100% |
| Hodgdon Superformance | <<locked>> | 82% | 54,969 psi | 88% | 3002 fps | 99.9% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 37,202 psi | 60% | 1913 fps | 100% |
| IMR 4350 | <<locked>> | 84% | 53,055 psi | 85% | 2900 fps | 99.6% |
| IMR 4451 Enduron | <<locked>> | 82% | 56,115 psi | 90% | 2940 fps | 99.9% |
| IMR 4831 | <<locked>> | 84% | 53,330 psi | 86% | 2910 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 90% | 56,028 psi | 90% | 2956 fps | 98.5% |
| IMR 7828 SSC | <<locked>> | 92% | 53,345 psi | 86% | 3009 fps | 98.6% |
| IMR 8133 Enduronᴾ | <<locked>> | 100% | 43,685 psi | 70% | 2851 fps | 96.8% |
| Lovex S065 | <<locked>> | 82% | 53,461 psi | 86% | 2884 fps | 100% |
| Lovex S070 | <<locked>> | 84% | 55,332 psi | 89% | 2936 fps | 100% |
| Lovex S071 | <<locked>> | 96% | 53,505 psi | 86% | 2907 fps | 100% |
| Norma 204 | <<locked>> | 84% | 54,099 psi | 87% | 2956 fps | 99.2% |
| Norma 217ᴾ | <<locked>> | 100% | 43,816 psi | 70% | 2874 fps | 98.8% |
| Norma MRP | <<locked>> | 90% | 55,622 psi | 89% | 3048 fps | 100% |
| Norma URP | <<locked>> | 84% | 54,955 psi | 88% | 2953 fps | 100% |
| Ramshot Grand | <<locked>> | 92% | 54,041 psi | 87% | 3028 fps | 98.9% |
| Ramshot Hunter | <<locked>> | 84% | 53,853 psi | 86% | 2956 fps | 100% |
| Ramshot Magnum | <<locked>> | 94% | 52,939 psi | 85% | 2963 fps | 99.7% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 38,116 psi | 61% | 1959 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 82% | 52,910 psi | 85% | 2936 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 84% | 55,259 psi | 89% | 3022 fps | 100% |
| ReloadSwiss RS 76 | <<locked>> | 96% | 52,504 psi | 84% | 3064 fps | 100% |
| ReloadSwiss RS 80ᴾ | <<locked>> | 100% | 56,086 psi | 90% | 3084 fps | 98.3% |
| Rottweil R 904 | <<locked>> | 88% | 54,781 psi | 88% | 2940 fps | 98.6% |
| Rottweil R 905 | <<locked>> | 88% | 52,895 psi | 85% | 2949 fps | 99.2% |
| Rottweil R 907 | <<locked>> | 82% | 54,795 psi | 88% | 2917 fps | 99.7% |
| Shooters World Long Rifle | <<locked>> | 82% | 53,461 psi | 86% | 2884 fps | 100% |
| Shooters World SW4350 | <<locked>> | 84% | 55,332 psi | 89% | 2936 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 84% | 56,072 psi | 90% | 2890 fps | 99.9% |
| SNPE Vectan Tubal 8000 | <<locked>> | 90% | 56,275 psi | 90% | 3005 fps | 99.6% |
| Somchem S361 | <<locked>> | 88% | 56,333 psi | 90% | 2930 fps | 98.4% |
| Somchem S365 | <<locked>> | 86% | 55,753 psi | 89% | 2959 fps | 100% |
| Somchem S385 | <<locked>> | 88% | 53,606 psi | 86% | 2923 fps | 99.7% |
| Vihtavuori N160 | <<locked>> | 82% | 52,794 psi | 85% | 2890 fps | 100% |
| Vihtavuori N165 | <<locked>> | 92% | 53,127 psi | 85% | 2904 fps | 99.5% |
| Vihtavuori N550 | <<locked>> | 84% | 55,622 psi | 89% | 2946 fps | 100% |
| Vihtavuori N555 | <<locked>> | 90% | 55,405 psi | 89% | 2976 fps | 100% |
| Vihtavuori N560 | <<locked>> | 90% | 55,303 psi | 89% | 3045 fps | 98.4% |
| Vihtavuori N565 | <<locked>> | 96% | 55,608 psi | 89% | 3025 fps | 98.7% |
| Vihtavuori N568 | <<locked>> | 98% | 52,634 psi | 84% | 3018 fps | 97.1% |
| Winchester 6.5 StaBALL | <<locked>> | 84% | 56,202 psi | 90% | 2897 fps | 100% |
| Winchester 760 | <<locked>> | 82% | 54,447 psi | 87% | 2969 fps | 99.9% |
| Winchester StaBALL HD | <<locked>> | 94% | 55,709 psi | 89% | 3084 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 90% | 53,142 psi | 85% | 2913 fps | 99.2% |
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% | 37,057 psi | 59% | 2602 fps | 98% |
| Accurate 4350 | <<locked>> | 80% | 49,327 psi | 79% | 2858 fps | 100% |
| Accurate MAGPRO | <<locked>> | 84% | 43,801 psi | 70% | 2828 fps | 95% |
| ADI AR 2209 | <<locked>> | 80% | 40,828 psi | 65% | 2726 fps | 96.6% |
| ADI AR 2213 | <<locked>> | 84% | 41,974 psi | 67% | 2779 fps | 95.6% |
| ADI AR 2217 | <<locked>> | 92% | 40,669 psi | 65% | 2743 fps | 95.6% |
| ADI AR 2225 | <<locked>> | 88% | 32,271 psi | 52% | 2575 fps | 95.2% |
| Alliant Power Pro Varmint | <<locked>> | 80% | 41,408 psi | 66% | 2733 fps | 96.8% |
| Alliant Reloder-16 | <<locked>> | 80% | 47,108 psi | 76% | 2864 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 80% | 41,031 psi | 66% | 2726 fps | 96.7% |
| Alliant Reloder-22 | <<locked>> | 80% | 36,941 psi | 59% | 2664 fps | 95.3% |
| Alliant Reloder-23 | <<locked>> | 80% | 35,607 psi | 57% | 2628 fps | 99.8% |
| Alliant Reloder-25 | <<locked>> | 80% | 30,777 psi | 49% | 2530 fps | 96.4% |
| Alliant Reloder-26 | 49.5 gr | 80% | 39,421 psi | 63% | 2769 fps | 99.5% |
| Baschieri & Pellagri 109 | <<locked>> | 90% | 50,212 psi | 81% | 2874 fps | 95% |
| Bofors RP15 | <<locked>> | 82% | 36,695 psi | 59% | 2654 fps | 95% |
| Bofors RP30 | <<locked>> | 90% | 40,176 psi | 64% | 2759 fps | 95.7% |
| Bofors RP5 | <<locked>> | 80% | 36,941 psi | 59% | 2664 fps | 95.3% |
| Bofors RP7 | <<locked>> | 80% | 51,227 psi | 82% | 2861 fps | 99.4% |
| Hodgdon H1000 | <<locked>> | 88% | 38,914 psi | 62% | 2703 fps | 95.6% |
| Hodgdon H414 | <<locked>> | 80% | 50,821 psi | 81% | 2907 fps | 99.7% |
| Hodgdon H4831 | <<locked>> | 84% | 44,744 psi | 72% | 2782 fps | 95.8% |
| Hodgdon H4831 SC | <<locked>> | 84% | 43,976 psi | 71% | 2769 fps | 95.6% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 44,411 psi | 71% | 2746 fps | 100% |
| Hodgdon Retumbo | 49.8 gr | 86% | 36,825 psi | 59% | 2740 fps | 96% |
| Hodgdon Superformance | <<locked>> | 80% | 50,966 psi | 82% | 2936 fps | 99.6% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,818 psi | 45% | 1713 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 46,644 psi | 75% | 2789 fps | 98.9% |
| IMR 4451 Enduron | <<locked>> | 80% | 52,533 psi | 84% | 2884 fps | 99.7% |
| IMR 4831 | <<locked>> | 80% | 46,731 psi | 75% | 2802 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 82% | 43,366 psi | 70% | 2723 fps | 95.6% |
| IMR 7828 SSC | <<locked>> | 84% | 40,480 psi | 65% | 2756 fps | 95.2% |
| IMR 8133 Enduron | <<locked>> | 98% | 40,596 psi | 65% | 2785 fps | 95.7% |
| Lovex S065 | <<locked>> | 80% | 50,270 psi | 81% | 2835 fps | 99.9% |
| Lovex S070 | <<locked>> | 80% | 48,689 psi | 78% | 2825 fps | 99.5% |
| Lovex S071 | <<locked>> | 80% | 31,850 psi | 51% | 2474 fps | 96.1% |
| Norma 204 | <<locked>> | 80% | 47,123 psi | 76% | 2831 fps | 98% |
| Norma 217 | <<locked>> | 92% | 33,301 psi | 53% | 2625 fps | 95.1% |
| Norma MRP | <<locked>> | 80% | 38,841 psi | 62% | 2733 fps | 97.5% |
| Norma URP | <<locked>> | 80% | 48,124 psi | 77% | 2844 fps | 100% |
| Ramshot Grand | <<locked>> | 84% | 40,364 psi | 65% | 2766 fps | 95.6% |
| Ramshot Hunter | <<locked>> | 80% | 47,021 psi | 75% | 2841 fps | 99.6% |
| Ramshot Magnum | <<locked>> | 84% | 36,187 psi | 58% | 2638 fps | 96.1% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,471 psi | 46% | 1755 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 49,385 psi | 79% | 2881 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 47,601 psi | 76% | 2897 fps | 100% |
| ReloadSwiss RS 76 | 52.1 gr | 84% | 33,765 psi | 54% | 2648 fps | 95.9% |
| ReloadSwiss RS 80 | <<locked>> | 94% | 44,222 psi | 71% | 2867 fps | 95.4% |
| Rottweil R 904 | <<locked>> | 80% | 42,119 psi | 68% | 2707 fps | 95.8% |
| Rottweil R 905 | <<locked>> | 80% | 40,306 psi | 65% | 2707 fps | 96.6% |
| Rottweil R 907 | <<locked>> | 80% | 51,227 psi | 82% | 2861 fps | 99.4% |
| Shooters World Long Rifle | <<locked>> | 80% | 50,270 psi | 81% | 2835 fps | 99.9% |
| Shooters World SW4350 | <<locked>> | 80% | 48,689 psi | 78% | 2825 fps | 99.5% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 49,255 psi | 79% | 2782 fps | 99.5% |
| SNPE Vectan Tubal 8000 | <<locked>> | 80% | 39,972 psi | 64% | 2703 fps | 96.5% |
| Somchem S361 | <<locked>> | 80% | 43,062 psi | 69% | 2694 fps | 95.3% |
| Somchem S365 | <<locked>> | 80% | 45,237 psi | 73% | 2795 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 41,002 psi | 66% | 2694 fps | 97.6% |
| Vihtavuori N160 | <<locked>> | 80% | 49,530 psi | 79% | 2838 fps | 100% |
| Vihtavuori N165 | <<locked>> | 80% | 35,563 psi | 57% | 2562 fps | 95.5% |
| Vihtavuori N550 | <<locked>> | 80% | 48,936 psi | 78% | 2841 fps | 100% |
| Vihtavuori N555 | <<locked>> | 80% | 39,885 psi | 64% | 2707 fps | 99.8% |
| Vihtavuori N560 | <<locked>> | 82% | 41,742 psi | 67% | 2785 fps | 95% |
| Vihtavuori N565 | <<locked>> | 88% | 42,308 psi | 68% | 2779 fps | 95.6% |
| Vihtavuori N568 | <<locked>> | 94% | 45,542 psi | 73% | 2887 fps | 95.2% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 48,834 psi | 78% | 2789 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 50,821 psi | 81% | 2907 fps | 99.7% |
| Winchester StaBALL HD | <<locked>> | 80% | 32,068 psi | 51% | 2648 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 80% | 37,434 psi | 60% | 2612 fps | 95.5% |
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 69 powders for 6 x 62 Freres loaded with the .243 | 77gr | Lapua Open Tip. Hodgdon Retumbo delivers the highest muzzle velocity at 3,140 fps; across all powders the maximum-charge window runs from 1,913 fps to 3,140 fps. ADI AR 2217 gives the best case fill at 100 %, and 69 of the 69 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 105.0 gr projectile in 0.243" calls for a 1:8.0 twist; slower twists will usually not stabilise this weight. ADI AR 2217, ADI AR 2225, 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, ReloadSwiss RS 76, Alliant Reloder-26 rank at the top here: for 6 x 62 Freres with the .243 | 77gr | Lapua Open Tip 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.