Load Specifications
Load data in caliber 7 x 61 S&H (Super) with .284 | 140gr | Alaska Bullet Works Kodiak SP SPBC bullet and 68 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Norma MRP, Alliant Reloder-26 and Alliant Reloder-16.
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: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 98% | 52,054 psi | 89% | 2949 fps | 99.3% |
| Accurate 4064 | <<locked>> | 82% | 53,069 psi | 90% | 2894 fps | 100% |
| Accurate 4350 | <<locked>> | 88% | 50,430 psi | 86% | 2946 fps | 99.8% |
| ADI AR 2208 | <<locked>> | 84% | 53,084 psi | 90% | 2927 fps | 100% |
| ADI AR 2209 | <<locked>> | 94% | 51,271 psi | 87% | 2982 fps | 97.2% |
| ADI AR 2213 | <<locked>> | 98% | 52,591 psi | 90% | 3031 fps | 96.1% |
| Alliant Reloder- TS 15.5 | <<locked>> | 82% | 50,589 psi | 86% | 2897 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 90% | 51,169 psi | 87% | 3005 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 86% | 52,025 psi | 89% | 3025 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 94% | 50,923 psi | 87% | 2972 fps | 97.2% |
| Alliant Reloder-22 | <<locked>> | 98% | 51,706 psi | 88% | 3028 fps | 97.5% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 52,301 psi | 89% | 3025 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 45,295 psi | 77% | 2940 fps | 99.1% |
| Alliant Reloder-26 | <<locked>> | 96% | 52,301 psi | 89% | 3104 fps | 100% |
| Bofors RP15ᴾ | <<locked>> | 100% | 50,662 psi | 86% | 3009 fps | 97.2% |
| Bofors RP3 | <<locked>> | 82% | 51,198 psi | 87% | 2910 fps | 100% |
| Bofors RP5 | <<locked>> | 98% | 51,706 psi | 88% | 3028 fps | 97.5% |
| Bofors RP7 | <<locked>> | 86% | 50,763 psi | 86% | 2890 fps | 98% |
| Hodgdon H380 | <<locked>> | 82% | 51,517 psi | 88% | 2927 fps | 99.7% |
| Hodgdon H414 | <<locked>> | 88% | 52,475 psi | 89% | 2995 fps | 98.8% |
| Hodgdon H4350 | <<locked>> | 86% | 52,127 psi | 89% | 2953 fps | 97.7% |
| Hodgdon Hybrid 100V | <<locked>> | 92% | 51,459 psi | 88% | 2930 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 44,454 psi | 76% | 2969 fps | 96.2% |
| Hodgdon Superformance | <<locked>> | 88% | 52,417 psi | 89% | 3025 fps | 98.6% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,434 psi | 62% | 1877 fps | 100% |
| IMR 4064 | <<locked>> | 82% | 52,547 psi | 89% | 2907 fps | 100% |
| IMR 4350 | <<locked>> | 90% | 51,909 psi | 88% | 2930 fps | 98.3% |
| IMR 4451 Enduron | <<locked>> | 86% | 52,344 psi | 89% | 2920 fps | 98.6% |
| IMR 4831 | <<locked>> | 90% | 50,952 psi | 87% | 2940 fps | 99.9% |
| Lovex S062 | <<locked>> | 82% | 52,750 psi | 90% | 2904 fps | 100% |
| Lovex S065 | <<locked>> | 88% | 52,678 psi | 90% | 2923 fps | 99.5% |
| Lovex S070 | <<locked>> | 88% | 50,546 psi | 86% | 2907 fps | 98.6% |
| Lovex S071ᴾ | <<locked>> | 100% | 46,282 psi | 79% | 2851 fps | 98.5% |
| Norma 204 | <<locked>> | 90% | 52,431 psi | 89% | 2979 fps | 97.3% |
| Norma MRP | <<locked>> | 96% | 51,068 psi | 87% | 3051 fps | 98.6% |
| Norma URP | <<locked>> | 90% | 52,547 psi | 89% | 2986 fps | 99.9% |
| Ramshot Grand | <<locked>> | 98% | 50,415 psi | 86% | 3015 fps | 96.1% |
| Ramshot Hunter | <<locked>> | 90% | 51,561 psi | 88% | 2982 fps | 99.2% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 48,269 psi | 82% | 2949 fps | 97.5% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,260 psi | 63% | 1923 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 82% | 51,401 psi | 88% | 2907 fps | 99% |
| ReloadSwiss RS 60 | <<locked>> | 84% | 51,503 psi | 88% | 3018 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 88% | 50,212 psi | 85% | 2966 fps | 99.7% |
| ReloadSwiss RS 70 | <<locked>> | 90% | 52,083 psi | 89% | 3045 fps | 99.9% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 44,425 psi | 76% | 2963 fps | 97.5% |
| Rottweil R 903 | <<locked>> | 84% | 51,561 psi | 88% | 2910 fps | 100% |
| Rottweil R 904 | <<locked>> | 94% | 53,069 psi | 90% | 2956 fps | 96.4% |
| Rottweil R 905 | <<locked>> | 94% | 50,009 psi | 85% | 2956 fps | 97.2% |
| Rottweil R 907 | <<locked>> | 86% | 50,763 psi | 86% | 2890 fps | 98% |
| Shooters World Long Rifle | <<locked>> | 88% | 52,678 psi | 90% | 2923 fps | 99.5% |
| Shooters World Precision | <<locked>> | 82% | 52,750 psi | 90% | 2904 fps | 100% |
| Shooters World SW4350 | <<locked>> | 88% | 50,546 psi | 86% | 2907 fps | 98.6% |
| SNPE Vectan SP 11 | <<locked>> | 84% | 52,852 psi | 90% | 2969 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 84% | 52,373 psi | 89% | 2799 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 88% | 52,199 psi | 89% | 2871 fps | 98.7% |
| SNPE Vectan Tubal 8000 | <<locked>> | 96% | 52,924 psi | 90% | 3009 fps | 97.7% |
| Somchem S355 | <<locked>> | 84% | 51,387 psi | 87% | 2904 fps | 100% |
| Somchem S365 | <<locked>> | 92% | 52,025 psi | 89% | 2989 fps | 100% |
| Somchem S385 | <<locked>> | 94% | 50,807 psi | 86% | 2936 fps | 98% |
| Vihtavuori N150 | <<locked>> | 86% | 52,678 psi | 90% | 2884 fps | 100% |
| Vihtavuori N160 | <<locked>> | 88% | 51,329 psi | 87% | 2927 fps | 99.8% |
| Vihtavuori N165 | <<locked>> | 98% | 50,111 psi | 85% | 2910 fps | 97.6% |
| Vihtavuori N550 | <<locked>> | 88% | 50,386 psi | 86% | 2927 fps | 99.7% |
| Vihtavuori N555 | <<locked>> | 96% | 51,358 psi | 87% | 2995 fps | 100% |
| Winchester 6.5 StaBALL | <<locked>> | 88% | 50,763 psi | 86% | 2894 fps | 100% |
| Winchester 760 | <<locked>> | 88% | 52,692 psi | 90% | 2999 fps | 98.8% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 47,384 psi | 81% | 3084 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 96% | 50,560 psi | 86% | 2923 fps | 97% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 86% | 34,461 psi | 59% | 2595 fps | 95.1% |
| Accurate 4064 | <<locked>> | 80% | 49,879 psi | 85% | 2844 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 38,218 psi | 65% | 2703 fps | 98.1% |
| ADI AR 2208 | <<locked>> | 80% | 46,920 psi | 80% | 2818 fps | 99.8% |
| ADI AR 2209 | <<locked>> | 90% | 45,107 psi | 77% | 2861 fps | 95.6% |
| ADI AR 2213 | <<locked>> | 96% | 49,066 psi | 84% | 2966 fps | 95.2% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 47,529 psi | 81% | 2844 fps | 100% |
| Alliant Reloder-16 | 52.3 gr | 80% | 37,130 psi | 63% | 2713 fps | 98.1% |
| Alliant Reloder-17 | <<locked>> | 80% | 42,119 psi | 72% | 2841 fps | 99.9% |
| Alliant Reloder-19 | <<locked>> | 90% | 44,672 psi | 76% | 2851 fps | 95.6% |
| Alliant Reloder-22 | <<locked>> | 92% | 42,206 psi | 72% | 2844 fps | 95% |
| Alliant Reloder-23 | <<locked>> | 80% | 27,224 psi | 46% | 2451 fps | 95.6% |
| Alliant Reloder-25 | <<locked>> | 92% | 35,099 psi | 60% | 2697 fps | 96% |
| Alliant Reloder-26 | 59.2 gr | 82% | 31,328 psi | 53% | 2631 fps | 95% |
| Bofors RP15 | <<locked>> | 96% | 44,338 psi | 75% | 2887 fps | 95.5% |
| Bofors RP3 | <<locked>> | 80% | 48,037 psi | 82% | 2858 fps | 100% |
| Bofors RP5 | <<locked>> | 92% | 42,206 psi | 72% | 2844 fps | 95% |
| Bofors RP7 | <<locked>> | 80% | 42,119 psi | 72% | 2720 fps | 96% |
| Hodgdon H380 | <<locked>> | 80% | 48,385 psi | 82% | 2867 fps | 99.4% |
| Hodgdon H414 | <<locked>> | 80% | 40,132 psi | 68% | 2749 fps | 96% |
| Hodgdon H4350 | <<locked>> | 80% | 43,047 psi | 73% | 2776 fps | 95.4% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 34,592 psi | 59% | 2602 fps | 98.6% |
| Hodgdon Retumbo | <<locked>> | 98% | 41,553 psi | 71% | 2900 fps | 95.1% |
| Hodgdon Superformance | <<locked>> | 80% | 39,044 psi | 66% | 2756 fps | 95.1% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,253 psi | 46% | 1677 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 49,356 psi | 84% | 2854 fps | 99.9% |
| IMR 4350 | <<locked>> | 82% | 40,190 psi | 68% | 2700 fps | 95.4% |
| IMR 4451 Enduron | <<locked>> | 80% | 43,395 psi | 74% | 2749 fps | 96.8% |
| IMR 4831 | <<locked>> | 80% | 36,622 psi | 62% | 2651 fps | 97.7% |
| Lovex S062 | <<locked>> | 80% | 49,603 psi | 84% | 2851 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 41,002 psi | 70% | 2700 fps | 97.6% |
| Lovex S070 | <<locked>> | 80% | 39,291 psi | 67% | 2677 fps | 96% |
| Lovex S071 | <<locked>> | 92% | 35,723 psi | 61% | 2625 fps | 95.6% |
| Norma 204 | <<locked>> | 86% | 45,701 psi | 78% | 2851 fps | 95.6% |
| Norma MRP | 61.6 gr | 88% | 38,653 psi | 66% | 2792 fps | 95.3% |
| Norma URP | <<locked>> | 80% | 37,913 psi | 65% | 2697 fps | 97.9% |
| Ramshot Grand | <<locked>> | 96% | 46,905 psi | 80% | 2946 fps | 95% |
| Ramshot Hunter | <<locked>> | 80% | 36,724 psi | 63% | 2677 fps | 95.8% |
| Ramshot Magnum | <<locked>> | 96% | 41,742 psi | 71% | 2815 fps | 95.6% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,688 psi | 47% | 1716 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 48,124 psi | 82% | 2848 fps | 98.5% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 44,759 psi | 76% | 2900 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 38,014 psi | 65% | 2720 fps | 97.7% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 36,840 psi | 63% | 2723 fps | 97% |
| ReloadSwiss RS 76 | <<locked>> | 96% | 38,566 psi | 66% | 2815 fps | 95.1% |
| Rottweil R 903 | <<locked>> | 80% | 45,136 psi | 77% | 2799 fps | 100% |
| Rottweil R 904 | <<locked>> | 92% | 49,821 psi | 85% | 2897 fps | 95.6% |
| Rottweil R 905 | <<locked>> | 90% | 43,729 psi | 74% | 2835 fps | 95.5% |
| Rottweil R 907 | <<locked>> | 80% | 42,119 psi | 72% | 2720 fps | 96% |
| Shooters World Long Rifle | <<locked>> | 80% | 41,002 psi | 70% | 2700 fps | 97.6% |
| Shooters World Precision | <<locked>> | 80% | 49,603 psi | 84% | 2851 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 39,291 psi | 67% | 2677 fps | 96% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 46,224 psi | 79% | 2854 fps | 99.9% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 46,383 psi | 79% | 2707 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 40,176 psi | 68% | 2644 fps | 96.1% |
| SNPE Vectan Tubal 8000 | <<locked>> | 90% | 43,323 psi | 74% | 2828 fps | 95.4% |
| Somchem S355 | <<locked>> | 80% | 45,382 psi | 77% | 2799 fps | 99.9% |
| Somchem S365 | <<locked>> | 80% | 34,403 psi | 59% | 2651 fps | 99.5% |
| Somchem S385 | <<locked>> | 88% | 41,669 psi | 71% | 2759 fps | 95.8% |
| Vihtavuori N150 | <<locked>> | 80% | 43,381 psi | 74% | 2726 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 39,334 psi | 67% | 2697 fps | 98.2% |
| Vihtavuori N165 | <<locked>> | 92% | 40,901 psi | 70% | 2733 fps | 95.1% |
| Vihtavuori N550 | <<locked>> | 80% | 38,885 psi | 66% | 2700 fps | 97.9% |
| Vihtavuori N555 | <<locked>> | 80% | 30,037 psi | 51% | 2533 fps | 95.8% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 38,508 psi | 66% | 2667 fps | 99.6% |
| Winchester 760 | <<locked>> | 80% | 40,132 psi | 68% | 2749 fps | 96% |
| Winchester StaBALL HD | <<locked>> | 82% | 25,715 psi | 44% | 2474 fps | 95.1% |
| Winchester Supreme 780 | <<locked>> | 92% | 44,092 psi | 75% | 2802 fps | 95.4% |
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 81 powders for 7 x 61 S&H (Super) loaded with the .284 | 140gr | Alaska Bullet Works Kodiak SP SPBC. Alliant Reloder-26 delivers the highest muzzle velocity at 3,104 fps; across all powders the maximum-charge window runs from 1,877 fps to 3,104 fps. ADI AR 2217 gives the best case fill at 100 %, and 81 of the 81 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (405 MPa), the top charges use 62–90 %, leaving at least 10 % headroom. The 140.0 gr projectile in 0.284" calls for a 1:12.5 twist; slower twists will usually not stabilise this weight. ADI AR 2217, ADI AR 2225, Alliant Reloder-23 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. Norma MRP, Alliant Reloder-26, Alliant Reloder-16 rank at the top here: for 7 x 61 S&H (Super) with the .284 | 140gr | Alaska Bullet Works Kodiak SP SPBC they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, Accurate MAGPRO, ADI AR 2217, ADI AR 2225 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.