Load Specifications
Load data in caliber .244 H&H Mag. with .243 | 80gr | Fox Classic Hunter bullet and 59 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 ADI AR 2213.
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% | 53,925 psi | 85% | 3412 fps | 100% |
| Accurate High Country | <<locked>> | 86% | 55,695 psi | 88% | 3583 fps | 98.8% |
| Accurate MAGPRO | <<locked>> | 88% | 56,840 psi | 90% | 3586 fps | 98% |
| ADI AR 2209 | <<locked>> | 86% | 55,201 psi | 87% | 3514 fps | 99.3% |
| ADI AR 2213 | <<locked>> | 88% | 53,505 psi | 85% | 3517 fps | 98.3% |
| ADI AR 2217 | <<locked>> | 98% | 56,159 psi | 89% | 3553 fps | 99.2% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 54,665 psi | 87% | 3570 fps | 100% |
| Alliant Power Pro Varmint | <<locked>> | 86% | 55,317 psi | 88% | 3510 fps | 99.3% |
| Alliant Power Pro Varmint | <<locked>> | 86% | 55,317 psi | 88% | 3510 fps | 99.3% |
| Alliant Reloder-16 | <<locked>> | 82% | 55,056 psi | 87% | 3517 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 86% | 54,723 psi | 87% | 3501 fps | 99.3% |
| Alliant Reloder-22 | <<locked>> | 88% | 54,012 psi | 86% | 3514 fps | 99.3% |
| Alliant Reloder-23 | <<locked>> | 90% | 55,564 psi | 88% | 3491 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 94% | 55,825 psi | 88% | 3560 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 86% | 56,289 psi | 89% | 3579 fps | 100% |
| Baschieri & Pellagri 109 | <<locked>> | 90% | 54,476 psi | 86% | 3461 fps | 96.1% |
| Bofors RP15 | <<locked>> | 92% | 57,014 psi | 90% | 3566 fps | 99.5% |
| Bofors RP30 | <<locked>> | 96% | 55,869 psi | 89% | 3563 fps | 99.1% |
| Bofors RP5 | <<locked>> | 88% | 54,012 psi | 86% | 3514 fps | 99.3% |
| Hodgdon H1000 | <<locked>> | 94% | 53,679 psi | 85% | 3507 fps | 99.2% |
| Hodgdon H4831 | <<locked>> | 88% | 56,565 psi | 90% | 3514 fps | 98.3% |
| Hodgdon H4831 SC | <<locked>> | 88% | 55,521 psi | 88% | 3494 fps | 98.1% |
| Hodgdon Hybrid 100V | <<locked>> | 84% | 55,230 psi | 88% | 3428 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 94% | 54,810 psi | 87% | 3645 fps | 99.9% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 37,405 psi | 59% | 2336 fps | 100% |
| IMR 4350 | <<locked>> | 82% | 53,795 psi | 85% | 3428 fps | 99.6% |
| IMR 4831 | <<locked>> | 82% | 54,462 psi | 86% | 3445 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 88% | 56,927 psi | 90% | 3491 fps | 98.5% |
| IMR 7828 SSC | <<locked>> | 90% | 55,463 psi | 88% | 3563 fps | 98.7% |
| IMR 8133 Enduronᴾ | <<locked>> | 100% | 49,980 psi | 79% | 3455 fps | 98% |
| Lovex S070 | <<locked>> | 82% | 56,014 psi | 89% | 3471 fps | 99.9% |
| Lovex S071 | <<locked>> | 94% | 55,463 psi | 88% | 3442 fps | 100% |
| Norma 204 | <<locked>> | 82% | 54,984 psi | 87% | 3488 fps | 99.2% |
| Norma 217ᴾ | <<locked>> | 100% | 50,879 psi | 81% | 3491 fps | 99.6% |
| Norma MRP | <<locked>> | 86% | 54,041 psi | 86% | 3533 fps | 99.8% |
| Norma URP | <<locked>> | 82% | 55,869 psi | 89% | 3491 fps | 100% |
| Ramshot Grand | <<locked>> | 90% | 56,971 psi | 90% | 3589 fps | 99.2% |
| Ramshot Hunter | <<locked>> | 82% | 54,940 psi | 87% | 3491 fps | 100% |
| Ramshot Magnum | <<locked>> | 92% | 55,593 psi | 88% | 3504 fps | 99.8% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 38,348 psi | 61% | 2388 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 82% | 56,811 psi | 90% | 3566 fps | 100% |
| ReloadSwiss RS 76 | <<locked>> | 94% | 56,159 psi | 89% | 3632 fps | 100% |
| ReloadSwiss RS 80 | <<locked>> | 96% | 55,724 psi | 88% | 3576 fps | 98.1% |
| Rottweil R 904 | <<locked>> | 86% | 55,738 psi | 88% | 3478 fps | 98.7% |
| Rottweil R 905 | <<locked>> | 86% | 54,317 psi | 86% | 3488 fps | 99.3% |
| Shooters World SW4350 | <<locked>> | 82% | 56,014 psi | 89% | 3471 fps | 99.9% |
| SNPE Vectan Tubal 7000 | <<locked>> | 82% | 56,666 psi | 90% | 3419 fps | 100% |
| SNPE Vectan Tubal 8000 | <<locked>> | 86% | 53,925 psi | 85% | 3481 fps | 99.2% |
| Somchem S361 | <<locked>> | 84% | 53,824 psi | 85% | 3396 fps | 97.9% |
| Somchem S365 | <<locked>> | 82% | 53,417 psi | 85% | 3435 fps | 100% |
| Somchem S385 | <<locked>> | 86% | 54,897 psi | 87% | 3455 fps | 99.7% |
| Vihtavuori N165 | <<locked>> | 90% | 54,694 psi | 87% | 3435 fps | 99.6% |
| Vihtavuori N550 | <<locked>> | 82% | 56,898 psi | 90% | 3484 fps | 100% |
| Vihtavuori N555 | <<locked>> | 86% | 53,867 psi | 85% | 3465 fps | 100% |
| Vihtavuori N560 | <<locked>> | 86% | 53,563 psi | 85% | 3527 fps | 97.9% |
| Vihtavuori N565 | <<locked>> | 92% | 54,505 psi | 86% | 3510 fps | 98.3% |
| Vihtavuori N568 | <<locked>> | 96% | 55,898 psi | 89% | 3579 fps | 97.6% |
| Winchester StaBALL HD | <<locked>> | 90% | 55,259 psi | 88% | 3576 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 88% | 54,911 psi | 87% | 3448 fps | 99.3% |
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% | 40,886 psi | 65% | 3143 fps | 98.6% |
| Accurate High Country | <<locked>> | 80% | 44,672 psi | 71% | 3343 fps | 96.2% |
| Accurate MAGPRO | <<locked>> | 82% | 45,658 psi | 72% | 3350 fps | 95.2% |
| ADI AR 2209 | <<locked>> | 80% | 44,860 psi | 71% | 3301 fps | 97.4% |
| ADI AR 2213 | 61 gr | 82% | 43,091 psi | 68% | 3284 fps | 95.6% |
| ADI AR 2217 | <<locked>> | 90% | 42,192 psi | 67% | 3248 fps | 95.8% |
| ADI AR 2225 | <<locked>> | 86% | 33,504 psi | 53% | 3048 fps | 95.4% |
| Alliant Power Pro Varmint | <<locked>> | 80% | 45,237 psi | 72% | 3297 fps | 97.5% |
| Alliant Power Pro Varmint | <<locked>> | 80% | 45,237 psi | 72% | 3297 fps | 97.5% |
| Alliant Reloder-16 | <<locked>> | 80% | 51,300 psi | 81% | 3451 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 80% | 44,817 psi | 71% | 3291 fps | 97.4% |
| Alliant Reloder-22 | <<locked>> | 80% | 40,770 psi | 65% | 3215 fps | 96.2% |
| Alliant Reloder-23 | <<locked>> | 80% | 39,450 psi | 63% | 3169 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 80% | 34,156 psi | 54% | 3064 fps | 97.4% |
| Alliant Reloder-26 | <<locked>> | 80% | 44,730 psi | 71% | 3353 fps | 99.9% |
| Baschieri & Pellagri 109 | <<locked>> | 88% | 51,126 psi | 81% | 3392 fps | 95.2% |
| Bofors RP15 | <<locked>> | 82% | 40,640 psi | 64% | 3212 fps | 96% |
| Bofors RP30 | <<locked>> | 88% | 42,206 psi | 67% | 3264 fps | 95.9% |
| Bofors RP5 | <<locked>> | 80% | 40,770 psi | 65% | 3215 fps | 96.2% |
| Hodgdon H1000 | <<locked>> | 86% | 40,161 psi | 64% | 3199 fps | 95.7% |
| Hodgdon H4831 | <<locked>> | 82% | 45,905 psi | 73% | 3294 fps | 95.9% |
| Hodgdon H4831 SC | <<locked>> | 82% | 45,049 psi | 71% | 3271 fps | 95.6% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 48,443 psi | 77% | 3307 fps | 100% |
| Hodgdon Retumbo | 62.2 gr | 84% | 38,392 psi | 61% | 3248 fps | 96.2% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,963 psi | 44% | 2096 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 50,546 psi | 80% | 3366 fps | 99.3% |
| IMR 4831 | <<locked>> | 80% | 50,850 psi | 81% | 3376 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 80% | 44,034 psi | 70% | 3222 fps | 95.5% |
| IMR 7828 SSC | <<locked>> | 82% | 41,655 psi | 66% | 3255 fps | 95.1% |
| IMR 8133 Enduron | <<locked>> | 94% | 40,451 psi | 64% | 3232 fps | 95.1% |
| Lovex S070 | <<locked>> | 80% | 52,446 psi | 83% | 3402 fps | 99.8% |
| Lovex S071 | <<locked>> | 80% | 35,056 psi | 56% | 2989 fps | 96.9% |
| Norma 204 | <<locked>> | 80% | 51,329 psi | 81% | 3419 fps | 98.6% |
| Norma 217 | <<locked>> | 90% | 35,317 psi | 56% | 3110 fps | 95.4% |
| Norma MRP | <<locked>> | 80% | 43,207 psi | 68% | 3301 fps | 98.2% |
| Norma URP | <<locked>> | 80% | 52,170 psi | 83% | 3425 fps | 100% |
| Ramshot Grand | <<locked>> | 82% | 41,887 psi | 66% | 3271 fps | 95.7% |
| Ramshot Hunter | <<locked>> | 80% | 51,372 psi | 81% | 3425 fps | 99.9% |
| Ramshot Magnum | <<locked>> | 82% | 37,652 psi | 60% | 3120 fps | 96.2% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,674 psi | 45% | 2146 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 52,678 psi | 83% | 3491 fps | 100% |
| ReloadSwiss RS 76 | 64.9 gr | 82% | 35,157 psi | 56% | 3130 fps | 96% |
| ReloadSwiss RS 80 | <<locked>> | 92% | 47,601 psi | 75% | 3409 fps | 96.1% |
| Rottweil R 904 | <<locked>> | 80% | 45,847 psi | 73% | 3274 fps | 96.6% |
| Rottweil R 905 | <<locked>> | 80% | 44,193 psi | 70% | 3274 fps | 97.4% |
| Shooters World SW4350 | <<locked>> | 80% | 52,446 psi | 83% | 3402 fps | 99.8% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 52,953 psi | 84% | 3353 fps | 99.8% |
| SNPE Vectan Tubal 8000 | <<locked>> | 80% | 43,859 psi | 70% | 3264 fps | 97.2% |
| Somchem S361 | <<locked>> | 80% | 46,833 psi | 74% | 3251 fps | 96.2% |
| Somchem S365 | <<locked>> | 80% | 49,980 psi | 79% | 3373 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 44,788 psi | 71% | 3248 fps | 98.3% |
| Vihtavuori N165 | <<locked>> | 80% | 39,044 psi | 62% | 3097 fps | 96.4% |
| Vihtavuori N550 | <<locked>> | 80% | 53,229 psi | 84% | 3422 fps | 100% |
| Vihtavuori N555 | <<locked>> | 80% | 43,888 psi | 70% | 3264 fps | 99.9% |
| Vihtavuori N560 | <<locked>> | 80% | 42,989 psi | 68% | 3291 fps | 95% |
| Vihtavuori N565 | <<locked>> | 86% | 44,077 psi | 70% | 3284 fps | 95.7% |
| Vihtavuori N568 | <<locked>> | 92% | 48,196 psi | 76% | 3419 fps | 95.6% |
| Winchester StaBALL HD | <<locked>> | 80% | 37,101 psi | 59% | 3209 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 80% | 41,191 psi | 65% | 3156 fps | 96.4% |
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 59 powders for .244 H&H Mag. loaded with the .243 | 80gr | Fox Classic Hunter. Hodgdon Retumbo delivers the highest muzzle velocity at 3,645 fps; across all powders the maximum-charge window runs from 2,336 fps to 3,645 fps. ADI AR 2225 gives the best case fill at 100 %, and 59 of the 59 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (435 MPa), the top charges use 59–90 %, leaving at least 10 % headroom. The 80.0 gr projectile in 0.243" calls for a 1:9.0 twist; slower twists will usually not stabilise this weight. ADI AR 2225, Hodgdon TrailBoss, IMR 8133 Enduron 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, ADI AR 2213 rank at the top here: for .244 H&H Mag. with the .243 | 80gr | Fox Classic Hunter 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.