
Load Specifications
Load data in caliber .22-250 Ackley Improved with .224 | 75gr | Hornady A-MAX bullet and 85 powders. The key underlying parameters are shown in the table above.
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 2495 | <<locked>> | 86% | 52,301 psi | 90% | 3038 fps | 100% |
| Accurate 4064 | <<locked>> | 88% | 52,199 psi | 90% | 3084 fps | 100% |
| Accurate 4350 | <<locked>> | 96% | 52,054 psi | 90% | 3159 fps | 99.1% |
| ADI AR 2206H | <<locked>> | 84% | 52,315 psi | 90% | 3110 fps | 99.7% |
| ADI AR 2208 | <<locked>> | 88% | 50,459 psi | 87% | 3058 fps | 99.2% |
| ADI Benchmark 8208 | <<locked>> | 82% | 51,576 psi | 89% | 3064 fps | 100% |
| Alliant AR-Comp | <<locked>> | 82% | 51,996 psi | 90% | 3041 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 86% | 51,808 psi | 89% | 3228 fps | 99.4% |
| Alliant Reloder- TS 15.5 | <<locked>> | 88% | 50,328 psi | 87% | 3081 fps | 99.9% |
| Alliant Reloder-15 | <<locked>> | 86% | 50,792 psi | 88% | 3100 fps | 99.3% |
| Alliant Reloder-16 | <<locked>> | 96% | 50,270 psi | 87% | 3169 fps | 99.2% |
| Alliant Reloder-17 | <<locked>> | 92% | 50,937 psi | 88% | 3202 fps | 99.9% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 40,799 psi | 70% | 2986 fps | 98.6% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 45,992 psi | 79% | 3166 fps | 98% |
| Baschieri & Pellagri 107 | <<locked>> | 84% | 52,315 psi | 90% | 3123 fps | 99.2% |
| Bofors RP3 | <<locked>> | 88% | 50,647 psi | 87% | 3094 fps | 99.9% |
| Bofors RP7 | <<locked>> | 92% | 50,879 psi | 88% | 3054 fps | 95.9% |
| Hodgdon BL-C2 | <<locked>> | 82% | 50,720 psi | 87% | 3087 fps | 100% |
| Hodgdon H380 | <<locked>> | 88% | 51,692 psi | 89% | 3104 fps | 98.6% |
| Hodgdon H414 | <<locked>> | 94% | 51,445 psi | 89% | 3153 fps | 96.8% |
| Hodgdon H4895 | <<locked>> | 82% | 49,864 psi | 86% | 3071 fps | 99.7% |
| Hodgdon Hybrid 100V | <<locked>> | 98% | 49,922 psi | 86% | 3094 fps | 99.8% |
| Hodgdon LEVERevolution | <<locked>> | 84% | 49,182 psi | 85% | 3100 fps | 99.8% |
| Hodgdon Superformance | <<locked>> | 94% | 52,025 psi | 90% | 3186 fps | 96.5% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,578 psi | 61% | 1969 fps | 100% |
| Hodgdon VARGET | <<locked>> | 84% | 50,691 psi | 87% | 3068 fps | 99.7% |
| IMR 3031 | <<locked>> | 82% | 49,530 psi | 85% | 3058 fps | 100% |
| IMR 4064 | <<locked>> | 86% | 49,676 psi | 86% | 3035 fps | 99.2% |
| IMR 4166 Enduron | <<locked>> | 84% | 49,821 psi | 86% | 3012 fps | 96.3% |
| IMR 4350 | <<locked>> | 96% | 51,300 psi | 88% | 3081 fps | 96.1% |
| IMR 4451 Enduron | <<locked>> | 90% | 49,617 psi | 86% | 3035 fps | 96.1% |
| IMR 4831 | <<locked>> | 96% | 49,530 psi | 85% | 3097 fps | 98.8% |
| IMR 4895 | <<locked>> | 86% | 52,112 psi | 90% | 3136 fps | 99.7% |
| IMR 8208 XBR | <<locked>> | 82% | 51,576 psi | 89% | 3064 fps | 100% |
| Lovex D073.6 | <<locked>> | 84% | 52,185 psi | 90% | 3087 fps | 100% |
| Lovex S060 | <<locked>> | 84% | 52,170 psi | 90% | 3041 fps | 99.7% |
| Lovex S062 | <<locked>> | 86% | 49,719 psi | 86% | 3041 fps | 99.9% |
| Lovex S065 | <<locked>> | 92% | 49,124 psi | 85% | 3031 fps | 97.5% |
| Lovex S070 | <<locked>> | 94% | 50,169 psi | 87% | 3068 fps | 96.7% |
| Norma 201 | <<locked>> | 84% | 51,140 psi | 88% | 3054 fps | 100% |
| Norma 202 | <<locked>> | 84% | 51,735 psi | 89% | 3061 fps | 100% |
| Norma 203B | <<locked>> | 86% | 50,096 psi | 86% | 3087 fps | 99.5% |
| Norma URP | <<locked>> | 96% | 51,213 psi | 88% | 3146 fps | 98.9% |
| Ramshot Big Game | <<locked>> | 86% | 50,198 psi | 87% | 3104 fps | 99.5% |
| Ramshot Hunter | <<locked>> | 96% | 50,067 psi | 86% | 3133 fps | 97.4% |
| Ramshot TAC | <<locked>> | 82% | 51,488 psi | 89% | 3068 fps | 98.1% |
| Ramshot Wild Boar | <<locked>> | 82% | 51,155 psi | 88% | 3091 fps | 99.6% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,882 psi | 62% | 2008 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 88% | 51,851 psi | 89% | 3081 fps | 97.4% |
| ReloadSwiss RS 52 | <<locked>> | 84% | 51,039 psi | 88% | 3169 fps | 99.3% |
| ReloadSwiss RS 60 | <<locked>> | 90% | 50,633 psi | 87% | 3205 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 96% | 52,040 psi | 90% | 3186 fps | 98.9% |
| ReloadSwiss RS 70 | <<locked>> | 96% | 51,343 psi | 89% | 3205 fps | 98.6% |
| Rottweil R 901 | <<locked>> | 82% | 52,257 psi | 90% | 3045 fps | 100% |
| Rottweil R 902 | <<locked>> | 86% | 51,793 psi | 89% | 3058 fps | 100% |
| Rottweil R 903 | <<locked>> | 90% | 50,966 psi | 88% | 3091 fps | 99.8% |
| Rottweil R 907 | <<locked>> | 92% | 50,879 psi | 88% | 3054 fps | 95.9% |
| Shooters World Long Rifle | <<locked>> | 92% | 49,124 psi | 85% | 3031 fps | 97.5% |
| Shooters World Match Rifle | <<locked>> | 84% | 52,185 psi | 90% | 3087 fps | 100% |
| Shooters World Precision | <<locked>> | 86% | 49,719 psi | 86% | 3041 fps | 99.9% |
| Shooters World SW4350 | <<locked>> | 94% | 50,169 psi | 87% | 3068 fps | 96.7% |
| SNPE Vectan SP 11 | <<locked>> | 88% | 49,211 psi | 85% | 3094 fps | 99.4% |
| SNPE Vectan SP 7 | <<locked>> | 82% | 50,198 psi | 87% | 3048 fps | 98.3% |
| SNPE Vectan SP 9 | <<locked>> | 84% | 51,010 psi | 88% | 3077 fps | 99.6% |
| SNPE Vectan Tubal 3000 | <<locked>> | 82% | 49,617 psi | 86% | 2949 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 88% | 49,661 psi | 86% | 2943 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 94% | 52,301 psi | 90% | 3031 fps | 96.8% |
| Somchem S335 | <<locked>> | 84% | 51,996 psi | 90% | 2992 fps | 100% |
| Somchem S341 | <<locked>> | 82% | 49,864 psi | 86% | 3041 fps | 99.4% |
| Somchem S355 | <<locked>> | 90% | 51,256 psi | 88% | 3091 fps | 99.8% |
| Somchem S365 | <<locked>> | 98% | 49,487 psi | 85% | 3153 fps | 100% |
| Vihtavuori N133 | <<locked>> | 82% | 49,908 psi | 86% | 2940 fps | 100% |
| Vihtavuori N135 | <<locked>> | 86% | 51,517 psi | 89% | 3025 fps | 100% |
| Vihtavuori N140 | <<locked>> | 86% | 52,156 psi | 90% | 3035 fps | 100% |
| Vihtavuori N150 | <<locked>> | 92% | 52,417 psi | 90% | 3064 fps | 100% |
| Vihtavuori N160 | <<locked>> | 94% | 50,459 psi | 87% | 3091 fps | 98.7% |
| Vihtavuori N530 | <<locked>> | 82% | 51,706 psi | 89% | 3058 fps | 100% |
| Vihtavuori N540 | <<locked>> | 86% | 50,575 psi | 87% | 3028 fps | 100% |
| Vihtavuori N550 | <<locked>> | 94% | 49,313 psi | 85% | 3087 fps | 98.4% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 45,020 psi | 78% | 3074 fps | 98.5% |
| Winchester 6.5 StaBALL | <<locked>> | 94% | 50,430 psi | 87% | 3064 fps | 99.9% |
| Winchester 748 | <<locked>> | 82% | 51,590 psi | 89% | 3107 fps | 100% |
| Winchester 760 | <<locked>> | 94% | 51,445 psi | 89% | 3153 fps | 96.8% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 36,724 psi | 63% | 2986 fps | 98.5% |
| Winchester StaBALL Match | <<locked>> | 84% | 50,850 psi | 88% | 3087 fps | 99.8% |
Start Load - Barrel Length: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2495 | <<locked>> | 80% | 42,714 psi | 74% | 2877 fps | 100% |
| Accurate 4064 | <<locked>> | 80% | 40,379 psi | 70% | 2867 fps | 100% |
| Accurate 4350 | <<locked>> | 86% | 36,753 psi | 63% | 2844 fps | 95.6% |
| ADI AR 2206H | <<locked>> | 80% | 46,166 psi | 80% | 2995 fps | 99% |
| ADI AR 2208 | <<locked>> | 80% | 39,218 psi | 68% | 2825 fps | 97% |
| ADI Benchmark 8208 | <<locked>> | 80% | 48,240 psi | 83% | 3005 fps | 99.8% |
| Alliant AR-Comp | <<locked>> | 80% | 48,820 psi | 84% | 2992 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 42,192 psi | 73% | 3022 fps | 97.6% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 39,015 psi | 67% | 2851 fps | 98.4% |
| Alliant Reloder-15 | <<locked>> | 80% | 41,843 psi | 72% | 2920 fps | 97.8% |
| Alliant Reloder-16 | <<locked>> | 86% | 36,477 psi | 63% | 2854 fps | 95.6% |
| Alliant Reloder-17 | <<locked>> | 80% | 33,779 psi | 58% | 2808 fps | 96.4% |
| Alliant Reloder-23 | <<locked>> | 92% | 31,734 psi | 55% | 2743 fps | 95.3% |
| Alliant Reloder-26 | <<locked>> | 94% | 37,304 psi | 64% | 2953 fps | 95% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 45,455 psi | 78% | 2992 fps | 98.1% |
| Bofors RP3 | <<locked>> | 80% | 38,638 psi | 67% | 2854 fps | 98.4% |
| Bofors RP7 | <<locked>> | 90% | 47,979 psi | 83% | 2999 fps | 95.2% |
| Hodgdon BL-C2 | <<locked>> | 80% | 47,398 psi | 82% | 3025 fps | 99.9% |
| Hodgdon H380 | <<locked>> | 80% | 39,668 psi | 68% | 2858 fps | 95.9% |
| Hodgdon H414 | <<locked>> | 90% | 44,846 psi | 77% | 3025 fps | 95.1% |
| Hodgdon H4895 | <<locked>> | 80% | 46,601 psi | 80% | 3005 fps | 99.4% |
| Hodgdon Hybrid 100V | <<locked>> | 84% | 31,647 psi | 55% | 2687 fps | 95.6% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 42,888 psi | 74% | 2976 fps | 99.2% |
| Hodgdon Superformance | <<locked>> | 92% | 48,167 psi | 83% | 3110 fps | 95.4% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,411 psi | 46% | 1759 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 44,701 psi | 77% | 2953 fps | 99.1% |
| IMR 3031 | <<locked>> | 80% | 46,514 psi | 80% | 3005 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 41,191 psi | 71% | 2864 fps | 97.7% |
| IMR 4166 Enduron | <<locked>> | 82% | 46,659 psi | 80% | 2949 fps | 95.5% |
| IMR 4350 | <<locked>> | 94% | 48,414 psi | 83% | 3028 fps | 95.4% |
| IMR 4451 Enduron | <<locked>> | 88% | 46,833 psi | 81% | 2979 fps | 95.4% |
| IMR 4831 | <<locked>> | 86% | 35,578 psi | 61% | 2799 fps | 95.2% |
| IMR 4895 | <<locked>> | 80% | 42,859 psi | 74% | 2956 fps | 98.5% |
| IMR 8208 XBR | <<locked>> | 80% | 48,240 psi | 83% | 3005 fps | 99.8% |
| Lovex D073.6 | <<locked>> | 80% | 45,469 psi | 78% | 2969 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 46,079 psi | 79% | 2930 fps | 99% |
| Lovex S062 | <<locked>> | 80% | 41,292 psi | 71% | 2871 fps | 99.1% |
| Lovex S065 | <<locked>> | 86% | 40,944 psi | 71% | 2861 fps | 95.4% |
| Lovex S070 | <<locked>> | 90% | 44,295 psi | 76% | 2953 fps | 95.1% |
| Norma 201 | <<locked>> | 80% | 45,063 psi | 78% | 2940 fps | 99.6% |
| Norma 202 | <<locked>> | 80% | 45,571 psi | 79% | 2953 fps | 100% |
| Norma 203B | <<locked>> | 80% | 41,249 psi | 71% | 2907 fps | 98.2% |
| Norma URP | <<locked>> | 86% | 36,753 psi | 63% | 2844 fps | 95.4% |
| Ramshot Big Game | <<locked>> | 80% | 40,944 psi | 71% | 2920 fps | 97.9% |
| Ramshot Hunter | <<locked>> | 90% | 41,321 psi | 71% | 2953 fps | 95% |
| Ramshot TAC | <<locked>> | 80% | 48,283 psi | 83% | 3009 fps | 97.5% |
| Ramshot Wild Boar | <<locked>> | 80% | 47,877 psi | 83% | 3028 fps | 99.2% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,774 psi | 46% | 1801 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 82% | 42,554 psi | 73% | 2897 fps | 95% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 44,309 psi | 76% | 3035 fps | 98.3% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 35,926 psi | 62% | 2884 fps | 99.3% |
| ReloadSwiss RS 62 | <<locked>> | 86% | 36,593 psi | 63% | 2864 fps | 95.1% |
| ReloadSwiss RS 70 | <<locked>> | 88% | 39,175 psi | 68% | 2936 fps | 95.2% |
| Rottweil R 901 | <<locked>> | 80% | 49,313 psi | 85% | 2992 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 43,018 psi | 74% | 2890 fps | 99.3% |
| Rottweil R 903 | <<locked>> | 80% | 36,550 psi | 63% | 2795 fps | 97.6% |
| Rottweil R 907 | <<locked>> | 90% | 47,979 psi | 83% | 2999 fps | 95.2% |
| Shooters World Long Rifle | <<locked>> | 86% | 40,944 psi | 71% | 2861 fps | 95.4% |
| Shooters World Match Rifle | <<locked>> | 80% | 45,469 psi | 78% | 2969 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 41,292 psi | 71% | 2871 fps | 99.1% |
| Shooters World SW4350 | <<locked>> | 90% | 44,295 psi | 76% | 2953 fps | 95.1% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 37,434 psi | 65% | 2844 fps | 97% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 46,543 psi | 80% | 2976 fps | 97.6% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 44,715 psi | 77% | 2959 fps | 98.8% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 46,282 psi | 80% | 2890 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 38,624 psi | 67% | 2743 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 90% | 46,006 psi | 79% | 2917 fps | 95.4% |
| Somchem S335 | <<locked>> | 80% | 45,992 psi | 79% | 2890 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 46,267 psi | 80% | 2976 fps | 99% |
| Somchem S355 | <<locked>> | 80% | 37,086 psi | 64% | 2795 fps | 97.5% |
| Somchem S365 | <<locked>> | 82% | 28,964 psi | 50% | 2667 fps | 95.9% |
| Vihtavuori N133 | <<locked>> | 80% | 46,615 psi | 80% | 2884 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 42,453 psi | 73% | 2871 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 43,294 psi | 75% | 2884 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 35,534 psi | 61% | 2733 fps | 98.4% |
| Vihtavuori N160 | <<locked>> | 84% | 35,940 psi | 62% | 2785 fps | 95% |
| Vihtavuori N530 | <<locked>> | 80% | 48,298 psi | 83% | 2999 fps | 99.8% |
| Vihtavuori N540 | <<locked>> | 80% | 41,800 psi | 72% | 2867 fps | 100% |
| Vihtavuori N550 | <<locked>> | 86% | 37,956 psi | 65% | 2848 fps | 95.6% |
| Vihtavuori N555 | <<locked>> | 92% | 34,447 psi | 59% | 2831 fps | 95.5% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 31,372 psi | 54% | 2638 fps | 95.6% |
| Winchester 748 | <<locked>> | 80% | 48,196 psi | 83% | 3048 fps | 100% |
| Winchester 760 | <<locked>> | 90% | 45,237 psi | 78% | 3031 fps | 95.2% |
| Winchester StaBALL HD | <<locked>> | 96% | 32,126 psi | 55% | 2838 fps | 96.2% |
| Winchester StaBALL Match | <<locked>> | 80% | 44,440 psi | 77% | 2966 fps | 99.2% |
ᴾ possible press load - work up slowly to this load while watching for signs of excessive pressure.
This overview compares 105 powders for .22-250 Ackley Improved loaded with the .224 | 75gr | Hornady A-MAX. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 3,228 fps; across all powders the maximum-charge window runs from 1,969 fps to 3,228 fps. Accurate 3100 gives the best case fill at 100 %, and 105 of the 105 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (400 MPa), the top charges use 61–90 %, leaving at least 10 % headroom. The 75.0 gr projectile in 0.224" calls for a 1:8.5 twist; slower twists will usually not stabilise this weight. Accurate 3100, Accurate High Country, ADI AR 2209 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. As outliers, Accurate High Country, ADI AR 2209, Alliant Reloder-19 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.