
Load Specifications
Load data in caliber .264 Win. Mag. with .264 | 129gr | Hornady Interbond bullet and 70 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: 26"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 92% | 56,014 psi | 90% | 3041 fps | 100% |
| Accurate 4350 | <<locked>> | 82% | 53,156 psi | 85% | 3012 fps | 100% |
| Accurate MAGPRO | <<locked>> | 90% | 54,592 psi | 88% | 3140 fps | 98.5% |
| ADI AR 2209 | <<locked>> | 88% | 53,969 psi | 87% | 3074 fps | 99.6% |
| ADI AR 2213 | <<locked>> | 92% | 55,695 psi | 89% | 3146 fps | 99.3% |
| ADI AR 2217ᴾ | <<locked>> | 100% | 53,548 psi | 86% | 3100 fps | 99.3% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 48,283 psi | 77% | 3064 fps | 100% |
| Alliant Power Pro Varmint | <<locked>> | 88% | 54,186 psi | 87% | 3071 fps | 99.6% |
| Alliant Reloder-16 | <<locked>> | 84% | 54,244 psi | 87% | 3071 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 88% | 53,563 psi | 86% | 3061 fps | 99.6% |
| Alliant Reloder-22 | <<locked>> | 92% | 55,941 psi | 90% | 3140 fps | 99.8% |
| Alliant Reloder-23 | <<locked>> | 92% | 53,679 psi | 86% | 3048 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 96% | 53,229 psi | 85% | 3117 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 88% | 53,998 psi | 87% | 3136 fps | 100% |
| Baschieri & Pellagri 109 | <<locked>> | 92% | 53,403 psi | 86% | 3038 fps | 96.7% |
| Bofors RP15 | <<locked>> | 94% | 55,129 psi | 88% | 3127 fps | 99.8% |
| Bofors RP30 | <<locked>> | 98% | 52,924 psi | 85% | 3117 fps | 99.3% |
| Bofors RP5 | <<locked>> | 92% | 55,941 psi | 90% | 3140 fps | 99.8% |
| Bofors RP7 | <<locked>> | 82% | 55,114 psi | 88% | 3012 fps | 99.9% |
| Hodgdon H1000 | <<locked>> | 98% | 55,347 psi | 89% | 3133 fps | 99.8% |
| Hodgdon H414 | <<locked>> | 82% | 54,752 psi | 88% | 3068 fps | 100% |
| Hodgdon H4831 | <<locked>> | 90% | 55,376 psi | 89% | 3077 fps | 98.8% |
| Hodgdon H4831 SC | <<locked>> | 90% | 54,288 psi | 87% | 3058 fps | 98.6% |
| Hodgdon Hybrid 100V | <<locked>> | 86% | 54,360 psi | 87% | 2989 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 98% | 55,854 psi | 90% | 3255 fps | 100% |
| Hodgdon Superformance | <<locked>> | 82% | 55,056 psi | 88% | 3104 fps | 100% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 37,362 psi | 60% | 1942 fps | 100% |
| IMR 4350 | <<locked>> | 84% | 53,519 psi | 86% | 3002 fps | 99.9% |
| IMR 4451 Enduron | <<locked>> | 82% | 56,304 psi | 90% | 3031 fps | 100% |
| IMR 4831 | <<locked>> | 84% | 53,606 psi | 86% | 3002 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 90% | 56,217 psi | 90% | 3058 fps | 99% |
| IMR 7828 SSC | <<locked>> | 92% | 53,766 psi | 86% | 3123 fps | 99.1% |
| IMR 8133 Enduronᴾ | <<locked>> | 100% | 43,685 psi | 70% | 2963 fps | 97.7% |
| Lovex S065 | <<locked>> | 82% | 53,882 psi | 86% | 2979 fps | 100% |
| Lovex S070 | <<locked>> | 84% | 55,434 psi | 89% | 3028 fps | 100% |
| Lovex S071 | <<locked>> | 96% | 53,577 psi | 86% | 3002 fps | 100% |
| Norma 204 | <<locked>> | 84% | 54,389 psi | 87% | 3058 fps | 99.6% |
| Norma 217ᴾ | <<locked>> | 100% | 43,947 psi | 70% | 2989 fps | 99.4% |
| Norma MRP | <<locked>> | 90% | 55,840 psi | 90% | 3159 fps | 100% |
| Norma URP | <<locked>> | 84% | 55,027 psi | 88% | 3045 fps | 100% |
| Ramshot Grand | <<locked>> | 92% | 54,462 psi | 87% | 3143 fps | 99.5% |
| Ramshot Hunter | <<locked>> | 84% | 54,143 psi | 87% | 3058 fps | 100% |
| Ramshot Magnum | <<locked>> | 94% | 52,750 psi | 85% | 3068 fps | 99.9% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 38,130 psi | 61% | 1988 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 82% | 53,214 psi | 85% | 3035 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 84% | 55,259 psi | 89% | 3120 fps | 100% |
| ReloadSwiss RS 76 | <<locked>> | 96% | 52,663 psi | 84% | 3182 fps | 100% |
| ReloadSwiss RS 80ᴾ | <<locked>> | 100% | 55,883 psi | 90% | 3202 fps | 98.9% |
| Rottweil R 904 | <<locked>> | 88% | 55,056 psi | 88% | 3045 fps | 99.2% |
| Rottweil R 905 | <<locked>> | 88% | 53,287 psi | 85% | 3054 fps | 99.7% |
| Rottweil R 907 | <<locked>> | 82% | 55,114 psi | 88% | 3012 fps | 99.9% |
| Shooters World Long Rifle | <<locked>> | 82% | 53,882 psi | 86% | 2979 fps | 100% |
| Shooters World SW4350 | <<locked>> | 84% | 55,434 psi | 89% | 3028 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 84% | 56,362 psi | 90% | 2986 fps | 100% |
| SNPE Vectan Tubal 8000 | <<locked>> | 90% | 56,275 psi | 90% | 3104 fps | 99.8% |
| Somchem S361 | <<locked>> | 86% | 52,866 psi | 85% | 2972 fps | 98.4% |
| Somchem S365 | <<locked>> | 86% | 55,898 psi | 90% | 3051 fps | 100% |
| Somchem S385 | <<locked>> | 88% | 53,708 psi | 86% | 3025 fps | 99.9% |
| Vihtavuori N160 | <<locked>> | 82% | 53,229 psi | 85% | 2986 fps | 100% |
| Vihtavuori N165 | <<locked>> | 92% | 53,403 psi | 86% | 3005 fps | 99.8% |
| Vihtavuori N550 | <<locked>> | 84% | 55,941 psi | 90% | 3045 fps | 100% |
| Vihtavuori N555 | <<locked>> | 90% | 55,811 psi | 89% | 3077 fps | 100% |
| Vihtavuori N560 | <<locked>> | 90% | 55,521 psi | 89% | 3156 fps | 99% |
| Vihtavuori N565 | <<locked>> | 96% | 55,680 psi | 89% | 3136 fps | 99.2% |
| Vihtavuori N568 | <<locked>> | 98% | 52,707 psi | 85% | 3136 fps | 97.9% |
| Vihtavuori N570ᴾ | <<locked>> | 100% | 53,592 psi | 86% | 3196 fps | 96.3% |
| Winchester 6.5 StaBALL | <<locked>> | 84% | 56,376 psi | 90% | 2992 fps | 100% |
| Winchester 760 | <<locked>> | 82% | 54,752 psi | 88% | 3068 fps | 100% |
| Winchester StaBALL HD | <<locked>> | 94% | 56,086 psi | 90% | 3192 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 90% | 53,359 psi | 86% | 3015 fps | 99.6% |
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% | 37,260 psi | 60% | 2694 fps | 98.7% |
| Accurate 4350 | <<locked>> | 80% | 49,603 psi | 80% | 2953 fps | 100% |
| Accurate MAGPRO | <<locked>> | 82% | 41,191 psi | 66% | 2874 fps | 95.1% |
| ADI AR 2209 | <<locked>> | 80% | 41,205 psi | 66% | 2828 fps | 97.6% |
| ADI AR 2213 | <<locked>> | 82% | 39,436 psi | 63% | 2818 fps | 95.7% |
| ADI AR 2217 | <<locked>> | 90% | 38,203 psi | 61% | 2782 fps | 95.7% |
| ADI AR 2225 | <<locked>> | 86% | 30,414 psi | 49% | 2618 fps | 95.5% |
| Alliant Power Pro Varmint | <<locked>> | 80% | 41,655 psi | 67% | 2828 fps | 97.7% |
| Alliant Reloder-16 | <<locked>> | 80% | 47,485 psi | 76% | 2959 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 80% | 41,263 psi | 66% | 2822 fps | 97.6% |
| Alliant Reloder-22 | <<locked>> | 80% | 37,159 psi | 60% | 2762 fps | 96.5% |
| Alliant Reloder-23 | <<locked>> | 80% | 35,839 psi | 57% | 2720 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 80% | 31,067 psi | 50% | 2631 fps | 97.7% |
| Alliant Reloder-26 | 59.2 gr | 80% | 39,914 psi | 64% | 2881 fps | 99.9% |
| Baschieri & Pellagri 109 | <<locked>> | 88% | 47,181 psi | 76% | 2913 fps | 95% |
| Bofors RP15 | <<locked>> | 80% | 34,592 psi | 55% | 2694 fps | 95.3% |
| Bofors RP30 | <<locked>> | 88% | 37,550 psi | 60% | 2802 fps | 95.8% |
| Bofors RP5 | <<locked>> | 80% | 37,159 psi | 60% | 2762 fps | 96.5% |
| Bofors RP7 | <<locked>> | 80% | 51,634 psi | 83% | 2953 fps | 99.8% |
| Hodgdon H1000 | <<locked>> | 86% | 36,448 psi | 58% | 2743 fps | 95.7% |
| Hodgdon H414 | <<locked>> | 80% | 51,242 psi | 82% | 3012 fps | 99.9% |
| Hodgdon H4831 | <<locked>> | 80% | 39,378 psi | 63% | 2762 fps | 95.1% |
| Hodgdon H4831 SC | <<locked>> | 82% | 41,365 psi | 66% | 2808 fps | 95.7% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 44,672 psi | 72% | 2831 fps | 100% |
| Hodgdon Retumbo | 56.7 gr | 82% | 32,445 psi | 52% | 2717 fps | 95% |
| Hodgdon Superformance | <<locked>> | 80% | 51,184 psi | 82% | 3038 fps | 99.9% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,891 psi | 45% | 1736 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 46,978 psi | 75% | 2884 fps | 99.4% |
| IMR 4451 Enduron | <<locked>> | 80% | 53,040 psi | 85% | 2979 fps | 99.9% |
| IMR 4831 | <<locked>> | 80% | 47,123 psi | 76% | 2897 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 80% | 40,857 psi | 66% | 2762 fps | 95.8% |
| IMR 7828 SSC | <<locked>> | 82% | 37,971 psi | 61% | 2792 fps | 95.3% |
| IMR 8133 Enduron | <<locked>> | 96% | 38,189 psi | 61% | 2838 fps | 95.9% |
| Lovex S065 | <<locked>> | 80% | 50,517 psi | 81% | 2923 fps | 100% |
| Lovex S070 | <<locked>> | 80% | 48,907 psi | 78% | 2917 fps | 99.8% |
| Lovex S071 | <<locked>> | 80% | 32,097 psi | 51% | 2562 fps | 97.2% |
| Norma 204 | <<locked>> | 80% | 47,326 psi | 76% | 2930 fps | 98.7% |
| Norma 217 | <<locked>> | 90% | 31,343 psi | 50% | 2674 fps | 95.4% |
| Norma MRP | <<locked>> | 80% | 39,102 psi | 63% | 2838 fps | 98.4% |
| Norma URP | <<locked>> | 80% | 48,356 psi | 78% | 2936 fps | 100% |
| Ramshot Grand | <<locked>> | 82% | 37,840 psi | 61% | 2805 fps | 95.7% |
| Ramshot Hunter | <<locked>> | 80% | 47,253 psi | 76% | 2936 fps | 99.9% |
| Ramshot Magnum | <<locked>> | 80% | 31,415 psi | 50% | 2608 fps | 95.1% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,631 psi | 46% | 1778 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 49,763 psi | 80% | 2976 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 47,848 psi | 77% | 2995 fps | 100% |
| ReloadSwiss RS 76 | 60.7 gr | 82% | 31,604 psi | 51% | 2690 fps | 96% |
| ReloadSwiss RS 80 | <<locked>> | 92% | 41,060 psi | 66% | 2917 fps | 95.4% |
| Rottweil R 904 | <<locked>> | 80% | 42,424 psi | 68% | 2802 fps | 96.8% |
| Rottweil R 905 | <<locked>> | 80% | 40,698 psi | 65% | 2808 fps | 97.6% |
| Rottweil R 907 | <<locked>> | 80% | 51,634 psi | 83% | 2953 fps | 99.8% |
| Shooters World Long Rifle | <<locked>> | 80% | 50,517 psi | 81% | 2923 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 48,907 psi | 78% | 2917 fps | 99.8% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 49,400 psi | 79% | 2871 fps | 99.8% |
| SNPE Vectan Tubal 8000 | <<locked>> | 80% | 40,364 psi | 65% | 2802 fps | 97.5% |
| Somchem S361 | <<locked>> | 80% | 43,279 psi | 69% | 2792 fps | 96.3% |
| Somchem S365 | <<locked>> | 80% | 45,643 psi | 73% | 2887 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 41,234 psi | 66% | 2789 fps | 98.4% |
| Vihtavuori N160 | <<locked>> | 80% | 49,792 psi | 80% | 2927 fps | 100% |
| Vihtavuori N165 | <<locked>> | 80% | 35,795 psi | 57% | 2657 fps | 96.6% |
| Vihtavuori N550 | <<locked>> | 80% | 49,153 psi | 79% | 2933 fps | 100% |
| Vihtavuori N555 | <<locked>> | 80% | 40,118 psi | 64% | 2799 fps | 100% |
| Vihtavuori N560 | <<locked>> | 80% | 39,088 psi | 63% | 2825 fps | 95.1% |
| Vihtavuori N565 | <<locked>> | 86% | 39,726 psi | 64% | 2825 fps | 95.7% |
| Vihtavuori N568 | <<locked>> | 92% | 42,569 psi | 68% | 2936 fps | 95.2% |
| Vihtavuori N570 | <<locked>> | 98% | 49,719 psi | 80% | 3120 fps | 95.3% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 49,023 psi | 79% | 2881 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 51,242 psi | 82% | 3012 fps | 99.9% |
| Winchester StaBALL HD | <<locked>> | 80% | 32,387 psi | 52% | 2756 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 80% | 37,797 psi | 61% | 2710 fps | 96.6% |
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 70 powders for .264 Win. Mag. loaded with the .264 | 129gr | Hornady Interbond. Hodgdon Retumbo delivers the highest muzzle velocity at 3,255 fps; across all powders the maximum-charge window runs from 1,942 fps to 3,255 fps. ADI AR 2217 gives the best case fill at 100 %, and 70 of the 70 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 129.0 gr projectile in 0.264" calls for a 1:8.5 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 .264 Win. Mag. with the .264 | 129gr | Hornady Interbond 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.