
Load Specifications
Load data in caliber .264 Win. Mag. with .264 | 140gr | Hornady InterLock 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 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>> | 90% | 55,463 psi | 89% | 2923 fps | 100% |
| Accurate 4350 | <<locked>> | 82% | 56,376 psi | 90% | 2946 fps | 100% |
| Accurate High Country | <<locked>> | 86% | 53,272 psi | 85% | 3022 fps | 99.6% |
| Accurate MAGPRO | <<locked>> | 88% | 54,114 psi | 87% | 3025 fps | 99% |
| ADI AR 2209 | <<locked>> | 86% | 53,505 psi | 86% | 2956 fps | 99.9% |
| ADI AR 2213 | <<locked>> | 90% | 55,143 psi | 88% | 3025 fps | 99.6% |
| ADI AR 2217 | <<locked>> | 98% | 53,417 psi | 86% | 2995 fps | 99.7% |
| ADI AR 2218ᴾ | <<locked>> | 100% | 49,603 psi | 80% | 3025 fps | 96.5% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 51,474 psi | 83% | 3015 fps | 100% |
| Alliant Power Pro Varmint | <<locked>> | 86% | 53,708 psi | 86% | 2953 fps | 99.9% |
| Alliant Power Pro Varmint | <<locked>> | 86% | 53,708 psi | 86% | 2953 fps | 99.9% |
| Alliant Reloder-16 | <<locked>> | 82% | 53,708 psi | 86% | 2946 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 86% | 53,113 psi | 85% | 2946 fps | 99.9% |
| Alliant Reloder-22 | <<locked>> | 90% | 55,535 psi | 89% | 3022 fps | 100% |
| Alliant Reloder-23 | <<locked>> | 90% | 53,563 psi | 86% | 2930 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 94% | 53,200 psi | 85% | 2999 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 86% | 53,722 psi | 86% | 3018 fps | 100% |
| Alliant Reloder-33ᴾ | <<locked>> | 100% | 54,520 psi | 87% | 3087 fps | 97.8% |
| Baschieri & Pellagri 109 | <<locked>> | 92% | 55,985 psi | 90% | 2986 fps | 98% |
| Bofors RP15 | <<locked>> | 92% | 54,737 psi | 88% | 3009 fps | 99.9% |
| Bofors RP30 | <<locked>> | 96% | 52,924 psi | 85% | 3009 fps | 99.7% |
| Bofors RP5 | <<locked>> | 90% | 55,535 psi | 89% | 3022 fps | 100% |
| Hodgdon H1000 | <<locked>> | 96% | 54,940 psi | 88% | 3022 fps | 100% |
| Hodgdon H4831 | <<locked>> | 88% | 54,621 psi | 88% | 2956 fps | 99.2% |
| Hodgdon H4831 SC | <<locked>> | 88% | 53,577 psi | 86% | 2940 fps | 99.1% |
| Hodgdon Hybrid 100V | <<locked>> | 84% | 53,795 psi | 86% | 2864 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 96% | 55,869 psi | 90% | 3143 fps | 100% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 37,434 psi | 60% | 1867 fps | 100% |
| IMR 4350 | <<locked>> | 84% | 56,043 psi | 90% | 2933 fps | 100% |
| IMR 4831 | <<locked>> | 84% | 56,376 psi | 90% | 2930 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 88% | 55,274 psi | 89% | 2936 fps | 99.4% |
| IMR 7828 SSC | <<locked>> | 90% | 53,374 psi | 86% | 3005 fps | 99.5% |
| IMR 8133 Enduronᴾ | <<locked>> | 100% | 47,166 psi | 76% | 2930 fps | 99% |
| Lovex S065 | <<locked>> | 82% | 56,275 psi | 90% | 2907 fps | 100% |
| Lovex S070 | <<locked>> | 82% | 54,665 psi | 88% | 2907 fps | 100% |
| Lovex S071 | <<locked>> | 94% | 53,621 psi | 86% | 2894 fps | 100% |
| Norma 204 | <<locked>> | 82% | 53,534 psi | 86% | 2933 fps | 99.8% |
| Norma 217ᴾ | <<locked>> | 100% | 47,703 psi | 76% | 2953 fps | 100% |
| Norma MRP | <<locked>> | 88% | 55,535 psi | 89% | 3041 fps | 100% |
| Norma URP | <<locked>> | 82% | 54,404 psi | 87% | 2923 fps | 100% |
| Ramshot Grand | <<locked>> | 90% | 54,302 psi | 87% | 3028 fps | 99.8% |
| Ramshot Hunter | <<locked>> | 82% | 53,476 psi | 86% | 2933 fps | 100% |
| Ramshot Magnum | <<locked>> | 92% | 52,634 psi | 84% | 2956 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 38,479 psi | 62% | 1913 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 82% | 56,275 psi | 90% | 2966 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 82% | 54,766 psi | 88% | 2995 fps | 100% |
| ReloadSwiss RS 76 | <<locked>> | 94% | 52,359 psi | 84% | 3068 fps | 100% |
| ReloadSwiss RS 80 | <<locked>> | 98% | 55,956 psi | 90% | 3094 fps | 99.4% |
| Rottweil R 904 | <<locked>> | 86% | 54,375 psi | 87% | 2927 fps | 99.5% |
| Rottweil R 905 | <<locked>> | 88% | 56,275 psi | 90% | 2992 fps | 100% |
| Shooters World Long Rifle | <<locked>> | 82% | 56,275 psi | 90% | 2907 fps | 100% |
| Shooters World SW4350 | <<locked>> | 82% | 54,665 psi | 88% | 2907 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 82% | 55,390 psi | 89% | 2861 fps | 100% |
| SNPE Vectan Tubal 8000 | <<locked>> | 88% | 55,912 psi | 90% | 2989 fps | 100% |
| Somchem S361 | <<locked>> | 86% | 55,550 psi | 89% | 2917 fps | 99.3% |
| Somchem S365 | <<locked>> | 84% | 55,564 psi | 89% | 2927 fps | 100% |
| Somchem S385 | <<locked>> | 86% | 53,084 psi | 85% | 2907 fps | 100% |
| Vihtavuori N160 | <<locked>> | 82% | 56,173 psi | 90% | 2917 fps | 100% |
| Vihtavuori N165 | <<locked>> | 90% | 52,837 psi | 85% | 2890 fps | 100% |
| Vihtavuori N170 | <<locked>> | 96% | 55,332 psi | 89% | 2963 fps | 96.2% |
| Vihtavuori N550 | <<locked>> | 82% | 55,361 psi | 89% | 2920 fps | 100% |
| Vihtavuori N555 | <<locked>> | 88% | 55,593 psi | 89% | 2956 fps | 100% |
| Vihtavuori N560 | <<locked>> | 88% | 55,143 psi | 88% | 3038 fps | 99.4% |
| Vihtavuori N565 | <<locked>> | 94% | 55,492 psi | 89% | 3028 fps | 99.6% |
| Vihtavuori N568 | <<locked>> | 96% | 52,620 psi | 84% | 3031 fps | 98.6% |
| Vihtavuori N570 | <<locked>> | 98% | 53,606 psi | 86% | 3091 fps | 97.2% |
| Winchester 6.5 StaBALL | <<locked>> | 82% | 55,376 psi | 89% | 2864 fps | 100% |
| Winchester StaBALL HD | <<locked>> | 92% | 56,217 psi | 90% | 3071 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 88% | 52,707 psi | 85% | 2900 fps | 99.8% |
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% | 39,769 psi | 64% | 2648 fps | 99.6% |
| Accurate 4350 | <<locked>> | 80% | 52,620 psi | 84% | 2887 fps | 100% |
| Accurate High Country | <<locked>> | 80% | 43,381 psi | 70% | 2831 fps | 98% |
| Accurate MAGPRO | <<locked>> | 80% | 40,814 psi | 65% | 2766 fps | 96% |
| ADI AR 2209 | <<locked>> | 80% | 43,743 psi | 70% | 2779 fps | 98.8% |
| ADI AR 2213 | <<locked>> | 80% | 39,117 psi | 63% | 2717 fps | 96.7% |
| ADI AR 2217 | <<locked>> | 86% | 35,679 psi | 57% | 2631 fps | 95.8% |
| ADI AR 2218 | <<locked>> | 98% | 46,267 psi | 74% | 2949 fps | 95.3% |
| ADI AR 2225 | <<locked>> | 82% | 28,456 psi | 46% | 2474 fps | 95.6% |
| Alliant Power Pro Varmint | <<locked>> | 80% | 44,135 psi | 71% | 2779 fps | 98.9% |
| Alliant Power Pro Varmint | <<locked>> | 80% | 44,135 psi | 71% | 2779 fps | 98.9% |
| Alliant Reloder-16 | <<locked>> | 80% | 50,372 psi | 81% | 2894 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 80% | 43,714 psi | 70% | 2772 fps | 98.8% |
| Alliant Reloder-22 | <<locked>> | 80% | 39,668 psi | 64% | 2723 fps | 98.1% |
| Alliant Reloder-23 | <<locked>> | 80% | 38,421 psi | 62% | 2671 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 80% | 33,185 psi | 53% | 2598 fps | 99.1% |
| Alliant Reloder-26 | <<locked>> | 80% | 42,960 psi | 69% | 2831 fps | 100% |
| Alliant Reloder-33 | <<locked>> | 96% | 46,833 psi | 75% | 2946 fps | 95.9% |
| Baschieri & Pellagri 109 | <<locked>> | 86% | 46,499 psi | 75% | 2808 fps | 95.8% |
| Bofors RP15 | <<locked>> | 80% | 36,927 psi | 59% | 2657 fps | 97.2% |
| Bofors RP30 | <<locked>> | 84% | 35,172 psi | 56% | 2644 fps | 95.9% |
| Bofors RP5 | <<locked>> | 80% | 39,668 psi | 64% | 2723 fps | 98.1% |
| Hodgdon H1000 | <<locked>> | 82% | 33,866 psi | 54% | 2585 fps | 95.7% |
| Hodgdon H4831 | <<locked>> | 80% | 41,582 psi | 67% | 2713 fps | 96.7% |
| Hodgdon H4831 SC | <<locked>> | 80% | 40,973 psi | 66% | 2703 fps | 96.6% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 47,355 psi | 76% | 2766 fps | 100% |
| Hodgdon Retumbo | 55 gr | 80% | 32,416 psi | 52% | 2628 fps | 96.3% |
| Hodgdon TrailBoss | <<locked>> | 80% | 28,094 psi | 45% | 1670 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 49,458 psi | 79% | 2822 fps | 99.9% |
| IMR 4831 | <<locked>> | 80% | 49,617 psi | 80% | 2828 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 80% | 43,033 psi | 69% | 2713 fps | 97.3% |
| IMR 7828 SSC | <<locked>> | 80% | 37,768 psi | 61% | 2690 fps | 96.3% |
| IMR 8133 Enduron | <<locked>> | 90% | 33,634 psi | 54% | 2625 fps | 95% |
| Lovex S065 | <<locked>> | 80% | 53,026 psi | 85% | 2854 fps | 100% |
| Lovex S070 | <<locked>> | 80% | 51,459 psi | 83% | 2854 fps | 100% |
| Lovex S071 | <<locked>> | 80% | 34,243 psi | 55% | 2523 fps | 98.6% |
| Norma 204 | <<locked>> | 80% | 50,082 psi | 80% | 2877 fps | 99.6% |
| Norma 217 | <<locked>> | 86% | 29,486 psi | 47% | 2530 fps | 95.5% |
| Norma MRP | <<locked>> | 80% | 41,945 psi | 67% | 2795 fps | 99.5% |
| Norma URP | <<locked>> | 80% | 51,140 psi | 82% | 2871 fps | 100% |
| Ramshot Grand | <<locked>> | 80% | 37,550 psi | 60% | 2700 fps | 96.7% |
| Ramshot Hunter | <<locked>> | 80% | 50,082 psi | 80% | 2881 fps | 100% |
| Ramshot Magnum | <<locked>> | 80% | 33,576 psi | 54% | 2579 fps | 97.1% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,877 psi | 46% | 1713 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 52,634 psi | 84% | 2910 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 51,111 psi | 82% | 2936 fps | 100% |
| ReloadSwiss RS 76 | 58.8 gr | 80% | 31,357 psi | 50% | 2595 fps | 97.1% |
| ReloadSwiss RS 80 | 65.3 gr | 88% | 38,305 psi | 61% | 2753 fps | 95.4% |
| Rottweil R 904 | <<locked>> | 80% | 44,744 psi | 72% | 2753 fps | 98.2% |
| Rottweil R 905 | <<locked>> | 80% | 43,265 psi | 69% | 2762 fps | 98.9% |
| Shooters World Long Rifle | <<locked>> | 80% | 53,026 psi | 85% | 2854 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 51,459 psi | 83% | 2854 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 51,880 psi | 83% | 2805 fps | 100% |
| SNPE Vectan Tubal 8000 | <<locked>> | 80% | 42,931 psi | 69% | 2756 fps | 98.8% |
| Somchem S361 | <<locked>> | 80% | 45,701 psi | 73% | 2746 fps | 97.8% |
| Somchem S365 | <<locked>> | 80% | 48,646 psi | 78% | 2825 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 43,714 psi | 70% | 2740 fps | 99.4% |
| Vihtavuori N160 | <<locked>> | 80% | 52,562 psi | 84% | 2861 fps | 100% |
| Vihtavuori N165 | <<locked>> | 80% | 38,058 psi | 61% | 2612 fps | 98.1% |
| Vihtavuori N170 | <<locked>> | 94% | 51,764 psi | 83% | 2900 fps | 95.4% |
| Vihtavuori N550 | <<locked>> | 80% | 51,866 psi | 83% | 2867 fps | 100% |
| Vihtavuori N555 | <<locked>> | 80% | 42,786 psi | 69% | 2746 fps | 100% |
| Vihtavuori N560 | <<locked>> | 80% | 41,829 psi | 67% | 2785 fps | 97% |
| Vihtavuori N565 | <<locked>> | 82% | 37,014 psi | 59% | 2664 fps | 95.7% |
| Vihtavuori N568 | <<locked>> | 88% | 39,610 psi | 64% | 2769 fps | 95.2% |
| Vihtavuori N570 | <<locked>> | 94% | 46,557 psi | 75% | 2956 fps | 95.4% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 51,634 psi | 83% | 2812 fps | 100% |
| Winchester StaBALL HD | <<locked>> | 80% | 35,607 psi | 57% | 2720 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 80% | 40,001 psi | 64% | 2664 fps | 98.1% |
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 .264 Win. Mag. loaded with the .264 | 140gr | Hornady InterLock. Hodgdon Retumbo delivers the highest muzzle velocity at 3,143 fps; across all powders the maximum-charge window runs from 1,867 fps to 3,143 fps. ADI AR 2218 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 140.0 gr projectile in 0.264" calls for a 1:10.0 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 | Hornady InterLock 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.