Load Specifications
Load data in caliber .264 Win. Mag. with .264 | 140gr | Sierra MatchKing bullet and 62 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 ReloadSwiss RS 80.
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: 26"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 88% | 52,823 psi | 85% | 2887 fps | 100% |
| Accurate MAGPRO | <<locked>> | 88% | 55,361 psi | 89% | 3051 fps | 99.2% |
| ADI AR 2209 | <<locked>> | 86% | 54,273 psi | 87% | 2972 fps | 99.9% |
| ADI AR 2213 | <<locked>> | 90% | 56,159 psi | 90% | 3048 fps | 99.8% |
| ADI AR 2217 | <<locked>> | 98% | 54,317 psi | 87% | 3015 fps | 99.8% |
| ADI AR 2218ᴾ | <<locked>> | 100% | 50,705 psi | 81% | 3051 fps | 96.9% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 52,576 psi | 84% | 3035 fps | 100% |
| Alliant Power Pro Varmint | <<locked>> | 86% | 54,462 psi | 87% | 2972 fps | 99.9% |
| Alliant Reloder-16 | <<locked>> | 82% | 54,650 psi | 88% | 2963 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 86% | 53,867 psi | 86% | 2963 fps | 99.9% |
| Alliant Reloder-22 | <<locked>> | 88% | 52,924 psi | 85% | 2982 fps | 99.9% |
| Alliant Reloder-23 | <<locked>> | 90% | 54,636 psi | 88% | 2946 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 94% | 54,215 psi | 87% | 3015 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 86% | 54,839 psi | 88% | 3035 fps | 100% |
| Alliant Reloder-33ᴾ | <<locked>> | 100% | 55,579 psi | 89% | 3107 fps | 98% |
| Baschieri & Pellagri 109 | <<locked>> | 90% | 53,359 psi | 86% | 2946 fps | 97.6% |
| Bofors RP15 | <<locked>> | 92% | 55,738 psi | 89% | 3028 fps | 100% |
| Bofors RP30 | <<locked>> | 96% | 54,128 psi | 87% | 3031 fps | 99.8% |
| Bofors RP5 | <<locked>> | 88% | 52,924 psi | 85% | 2982 fps | 99.9% |
| Hodgdon H1000 | <<locked>> | 96% | 55,869 psi | 90% | 3038 fps | 100% |
| Hodgdon H4831 | <<locked>> | 88% | 55,593 psi | 89% | 2979 fps | 99.4% |
| Hodgdon H4831 SC | <<locked>> | 88% | 54,563 psi | 87% | 2963 fps | 99.3% |
| Hodgdon Hybrid 100V | <<locked>> | 84% | 54,636 psi | 88% | 2881 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 94% | 53,084 psi | 85% | 3100 fps | 100% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 37,550 psi | 60% | 1877 fps | 100% |
| IMR 4350 | <<locked>> | 82% | 53,301 psi | 85% | 2894 fps | 100% |
| IMR 4831 | <<locked>> | 82% | 53,882 psi | 86% | 2897 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 88% | 56,202 psi | 90% | 2956 fps | 99.5% |
| IMR 7828 SSC | <<locked>> | 90% | 54,433 psi | 87% | 3028 fps | 99.7% |
| IMR 8133 Enduronᴾ | <<locked>> | 100% | 48,066 psi | 77% | 2949 fps | 99.2% |
| Lovex S070 | <<locked>> | 82% | 55,434 psi | 89% | 2923 fps | 100% |
| Lovex S071 | <<locked>> | 94% | 54,375 psi | 87% | 2910 fps | 100% |
| Norma 204 | <<locked>> | 82% | 54,331 psi | 87% | 2949 fps | 99.9% |
| Norma 217ᴾ | <<locked>> | 100% | 48,907 psi | 78% | 2976 fps | 100% |
| Norma MRP | <<locked>> | 86% | 52,663 psi | 84% | 2995 fps | 100% |
| Norma URP | <<locked>> | 82% | 55,259 psi | 89% | 2940 fps | 100% |
| Ramshot Grand | <<locked>> | 90% | 55,419 psi | 89% | 3048 fps | 99.9% |
| Ramshot Hunter | <<locked>> | 82% | 54,259 psi | 87% | 2949 fps | 100% |
| Ramshot Magnum | <<locked>> | 92% | 53,592 psi | 86% | 2972 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 38,580 psi | 62% | 1923 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 82% | 55,869 psi | 90% | 3015 fps | 100% |
| ReloadSwiss RS 76 | <<locked>> | 94% | 53,838 psi | 86% | 3091 fps | 100% |
| ReloadSwiss RS 80 | <<locked>> | 96% | 52,968 psi | 85% | 3051 fps | 99.1% |
| Rottweil R 904 | <<locked>> | 86% | 55,129 psi | 88% | 2943 fps | 99.6% |
| Rottweil R 905 | <<locked>> | 86% | 53,679 psi | 86% | 2956 fps | 99.9% |
| Shooters World SW4350 | <<locked>> | 82% | 55,434 psi | 89% | 2923 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 82% | 56,144 psi | 90% | 2877 fps | 100% |
| SNPE Vectan Tubal 8000 | <<locked>> | 86% | 53,287 psi | 85% | 2949 fps | 99.9% |
| Somchem S361 | <<locked>> | 86% | 56,376 psi | 90% | 2933 fps | 99.4% |
| Somchem S365 | <<locked>> | 82% | 52,779 psi | 85% | 2890 fps | 100% |
| Somchem S385 | <<locked>> | 86% | 54,041 psi | 87% | 2923 fps | 100% |
| Vihtavuori N165 | <<locked>> | 90% | 53,737 psi | 86% | 2907 fps | 100% |
| Vihtavuori N170 | <<locked>> | 96% | 56,347 psi | 90% | 2982 fps | 96.5% |
| Vihtavuori N550 | <<locked>> | 82% | 56,159 psi | 90% | 2936 fps | 100% |
| Vihtavuori N555 | <<locked>> | 86% | 53,113 psi | 85% | 2923 fps | 100% |
| Vihtavuori N560 | <<locked>> | 88% | 56,144 psi | 90% | 3061 fps | 99.6% |
| Vihtavuori N565 | <<locked>> | 92% | 52,866 psi | 85% | 2989 fps | 99.4% |
| Vihtavuori N568 | <<locked>> | 96% | 53,780 psi | 86% | 3051 fps | 98.8% |
| Vihtavuori N570 | <<locked>> | 98% | 54,824 psi | 88% | 3114 fps | 97.6% |
| Winchester 6.5 StaBALL | <<locked>> | 82% | 56,333 psi | 90% | 2881 fps | 100% |
| Winchester StaBALL HD | <<locked>> | 90% | 53,417 psi | 86% | 3031 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 88% | 53,664 psi | 86% | 2920 fps | 99.9% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 26"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 80% | 40,524 psi | 65% | 2667 fps | 99.7% |
| Accurate MAGPRO | <<locked>> | 80% | 41,742 psi | 67% | 2789 fps | 96.4% |
| ADI AR 2209 | <<locked>> | 80% | 44,512 psi | 71% | 2799 fps | 99% |
| ADI AR 2213 | <<locked>> | 80% | 39,842 psi | 64% | 2733 fps | 97% |
| ADI AR 2217 | <<locked>> | 84% | 33,895 psi | 54% | 2585 fps | 95.1% |
| ADI AR 2218 | <<locked>> | 98% | 47,137 psi | 76% | 2976 fps | 95.8% |
| ADI AR 2225 | <<locked>> | 82% | 28,979 psi | 46% | 2493 fps | 96.1% |
| Alliant Power Pro Varmint | <<locked>> | 80% | 44,904 psi | 72% | 2799 fps | 99.1% |
| Alliant Reloder-16 | <<locked>> | 80% | 51,068 psi | 82% | 2907 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 80% | 44,483 psi | 71% | 2792 fps | 99% |
| Alliant Reloder-22 | <<locked>> | 80% | 40,451 psi | 65% | 2743 fps | 98.3% |
| Alliant Reloder-23 | <<locked>> | 80% | 39,247 psi | 63% | 2687 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 80% | 33,866 psi | 54% | 2621 fps | 99.3% |
| Alliant Reloder-26 | <<locked>> | 80% | 43,787 psi | 70% | 2851 fps | 100% |
| Alliant Reloder-33 | <<locked>> | 94% | 44,425 psi | 71% | 2897 fps | 95.3% |
| Baschieri & Pellagri 109 | <<locked>> | 84% | 44,266 psi | 71% | 2769 fps | 95.3% |
| Bofors RP15 | <<locked>> | 80% | 37,681 psi | 60% | 2677 fps | 97.5% |
| Bofors RP30 | <<locked>> | 82% | 33,605 psi | 54% | 2605 fps | 95.4% |
| Bofors RP5 | <<locked>> | 80% | 40,451 psi | 65% | 2743 fps | 98.3% |
| Hodgdon H1000 | <<locked>> | 80% | 32,184 psi | 52% | 2543 fps | 95% |
| Hodgdon H4831 | <<locked>> | 80% | 42,293 psi | 68% | 2733 fps | 97.1% |
| Hodgdon H4831 SC | <<locked>> | 80% | 41,684 psi | 67% | 2723 fps | 96.9% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 48,240 psi | 77% | 2782 fps | 100% |
| Hodgdon Retumbo | 55.9 gr | 80% | 33,054 psi | 53% | 2651 fps | 96.8% |
| Hodgdon TrailBoss | <<locked>> | 80% | 28,137 psi | 45% | 1677 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 50,212 psi | 81% | 2841 fps | 99.9% |
| IMR 4831 | <<locked>> | 80% | 50,459 psi | 81% | 2844 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 80% | 43,714 psi | 70% | 2730 fps | 97.6% |
| IMR 7828 SSC | <<locked>> | 80% | 38,493 psi | 62% | 2713 fps | 96.7% |
| IMR 8133 Enduron | <<locked>> | 90% | 34,418 psi | 55% | 2648 fps | 95.5% |
| Lovex S070 | <<locked>> | 80% | 52,257 psi | 84% | 2871 fps | 100% |
| Lovex S071 | <<locked>> | 80% | 34,809 psi | 56% | 2539 fps | 98.8% |
| Norma 204 | <<locked>> | 80% | 50,850 psi | 82% | 2894 fps | 99.7% |
| Norma 217 | <<locked>> | 86% | 30,124 psi | 48% | 2549 fps | 96% |
| Norma MRP | <<locked>> | 80% | 42,728 psi | 69% | 2815 fps | 99.6% |
| Norma URP | <<locked>> | 80% | 51,996 psi | 83% | 2890 fps | 100% |
| Ramshot Grand | <<locked>> | 80% | 38,276 psi | 61% | 2723 fps | 97% |
| Ramshot Hunter | <<locked>> | 80% | 50,865 psi | 82% | 2894 fps | 100% |
| Ramshot Magnum | <<locked>> | 80% | 34,243 psi | 55% | 2598 fps | 97.4% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,935 psi | 46% | 1719 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 51,982 psi | 83% | 2956 fps | 100% |
| ReloadSwiss RS 76 | 59.8 gr | 80% | 32,097 psi | 51% | 2621 fps | 97.6% |
| ReloadSwiss RS 80 | 66.3 gr | 88% | 39,146 psi | 63% | 2776 fps | 95.9% |
| Rottweil R 904 | <<locked>> | 80% | 45,513 psi | 73% | 2772 fps | 98.4% |
| Rottweil R 905 | <<locked>> | 80% | 43,859 psi | 70% | 2779 fps | 99% |
| Shooters World SW4350 | <<locked>> | 80% | 52,257 psi | 84% | 2871 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 52,605 psi | 84% | 2825 fps | 100% |
| SNPE Vectan Tubal 8000 | <<locked>> | 80% | 43,511 psi | 70% | 2772 fps | 98.9% |
| Somchem S361 | <<locked>> | 80% | 46,311 psi | 74% | 2759 fps | 98% |
| Somchem S365 | <<locked>> | 80% | 49,559 psi | 79% | 2841 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 44,483 psi | 71% | 2759 fps | 99.5% |
| Vihtavuori N165 | <<locked>> | 80% | 38,754 psi | 62% | 2631 fps | 98.4% |
| Vihtavuori N170 | <<locked>> | 94% | 52,576 psi | 84% | 2920 fps | 95.7% |
| Vihtavuori N550 | <<locked>> | 80% | 52,663 psi | 84% | 2884 fps | 100% |
| Vihtavuori N555 | <<locked>> | 80% | 43,685 psi | 70% | 2766 fps | 100% |
| Vihtavuori N560 | <<locked>> | 80% | 42,569 psi | 68% | 2805 fps | 97.3% |
| Vihtavuori N565 | <<locked>> | 80% | 35,230 psi | 56% | 2621 fps | 95.1% |
| Vihtavuori N568 | <<locked>> | 88% | 40,480 psi | 65% | 2792 fps | 95.7% |
| Vihtavuori N570 | <<locked>> | 94% | 47,442 psi | 76% | 2979 fps | 95.8% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 52,591 psi | 84% | 2828 fps | 100% |
| Winchester StaBALL HD | <<locked>> | 80% | 36,535 psi | 59% | 2740 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 80% | 40,712 psi | 65% | 2684 fps | 98.3% |
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 62 powders for .264 Win. Mag. loaded with the .264 | 140gr | Sierra MatchKing. Vihtavuori N570 delivers the highest muzzle velocity at 3,114 fps; across all powders the maximum-charge window runs from 1,877 fps to 3,114 fps. ADI AR 2218 gives the best case fill at 100 %, and 62 of the 62 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 140.0 gr projectile in 0.264" calls for a 1:9.5 twist; slower twists will usually not stabilise this weight. ADI AR 2218, ADI AR 2225, Alliant Reloder-33 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, ReloadSwiss RS 80 rank at the top here: for .264 Win. Mag. with the .264 | 140gr | Sierra MatchKing 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.