Load Specifications
Load data in caliber .22-250 Ackley Improved with .224 | 55gr | Speer TMJ bullet and 73 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant Power Pro 2000-MR, ReloadSwiss RS 60 and Alliant Reloder-17.
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.
A valid access license is required to use the Personalized Load Calculator.
You can find more information in our FAQ: How can I use the Personalized Load Calculator?
Max Load - Barrel Length: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 86% | 51,808 psi | 89% | 3448 fps | 100% |
| Accurate 2460 | <<locked>> | 82% | 50,009 psi | 86% | 3442 fps | 99.7% |
| Accurate 2495 | <<locked>> | 90% | 49,530 psi | 85% | 3442 fps | 100% |
| Accurate 2520 | <<locked>> | 86% | 50,154 psi | 86% | 3491 fps | 99.6% |
| Accurate 4064 | <<locked>> | 92% | 49,545 psi | 85% | 3481 fps | 99.9% |
| ADI AR 2206H | <<locked>> | 88% | 51,024 psi | 88% | 3514 fps | 97.7% |
| ADI AR 2208 | <<locked>> | 94% | 52,054 psi | 90% | 3507 fps | 97.3% |
| ADI Benchmark 8208 | <<locked>> | 86% | 50,256 psi | 87% | 3471 fps | 98.6% |
| Alliant AR-Comp | <<locked>> | 86% | 49,487 psi | 85% | 3471 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 82% | 50,865 psi | 88% | 3586 fps | 98.1% |
| Alliant Power Pro 2000-MR | <<locked>> | 90% | 50,502 psi | 87% | 3612 fps | 96.7% |
| Alliant Reloder- TS 15.5 | <<locked>> | 94% | 51,474 psi | 89% | 3530 fps | 98.6% |
| Alliant Reloder-10x | <<locked>> | 82% | 51,343 psi | 89% | 3465 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 92% | 52,199 psi | 90% | 3553 fps | 97.5% |
| Alliant Reloder-17 | <<locked>> | 96% | 48,805 psi | 84% | 3566 fps | 97.8% |
| Baschieri & Pellagri 107 | <<locked>> | 88% | 50,749 psi | 88% | 3510 fps | 96.6% |
| Bofors RP3 | <<locked>> | 94% | 51,793 psi | 89% | 3540 fps | 98.7% |
| Hodgdon Benchmark | <<locked>> | 86% | 51,982 psi | 90% | 3461 fps | 99.2% |
| Hodgdon BL-C2 | <<locked>> | 86% | 48,921 psi | 84% | 3481 fps | 98.8% |
| Hodgdon CFE223 | <<locked>> | 84% | 50,285 psi | 87% | 3583 fps | 97% |
| Hodgdon H322 | <<locked>> | 84% | 49,893 psi | 86% | 3478 fps | 100% |
| Hodgdon H4895 | <<locked>> | 88% | 51,445 psi | 89% | 3530 fps | 98.3% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 43,961 psi | 76% | 3373 fps | 96.5% |
| Hodgdon LEVERevolution | <<locked>> | 92% | 50,227 psi | 87% | 3550 fps | 98.5% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 34,418 psi | 59% | 2283 fps | 100% |
| Hodgdon VARGET | <<locked>> | 92% | 51,634 psi | 89% | 3510 fps | 98.2% |
| IMR 3031 | <<locked>> | 92% | 52,286 psi | 90% | 3570 fps | 100% |
| IMR 4064 | <<locked>> | 94% | 50,531 psi | 87% | 3468 fps | 97.1% |
| IMR 4198 | <<locked>> | 82% | 51,329 psi | 89% | 3425 fps | 100% |
| IMR 4895 | <<locked>> | 90% | 50,125 psi | 86% | 3527 fps | 97.6% |
| IMR 8208 XBR | <<locked>> | 86% | 50,256 psi | 87% | 3471 fps | 98.6% |
| Lovex D073.5 | <<locked>> | 82% | 50,111 psi | 86% | 3448 fps | 99.2% |
| Lovex D073.6 | <<locked>> | 88% | 50,154 psi | 86% | 3491 fps | 99.6% |
| Lovex S060 | <<locked>> | 88% | 50,981 psi | 88% | 3438 fps | 97.7% |
| Lovex S062 | <<locked>> | 92% | 51,039 psi | 88% | 3488 fps | 98.8% |
| Norma 201 | <<locked>> | 88% | 49,705 psi | 86% | 3458 fps | 98.6% |
| Norma 202 | <<locked>> | 88% | 50,053 psi | 86% | 3474 fps | 99.8% |
| Norma 203B | <<locked>> | 92% | 51,372 psi | 89% | 3537 fps | 97.8% |
| Ramshot Big Game | <<locked>> | 92% | 51,735 psi | 89% | 3553 fps | 97.7% |
| Ramshot Wild Boar | <<locked>> | 86% | 49,632 psi | 86% | 3481 fps | 97.4% |
| Ramshot X-Terminator | <<locked>> | 84% | 51,126 psi | 88% | 3455 fps | 97.6% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 34,809 psi | 60% | 2336 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 82% | 49,559 psi | 85% | 3455 fps | 99.3% |
| ReloadSwiss RS 52 | <<locked>> | 90% | 51,967 psi | 90% | 3622 fps | 97.3% |
| ReloadSwiss RS 60 | <<locked>> | 96% | 52,083 psi | 90% | 3658 fps | 99.9% |
| Rottweil R 901 | <<locked>> | 86% | 50,531 psi | 87% | 3458 fps | 99.7% |
| Rottweil R 902 | <<locked>> | 90% | 50,227 psi | 87% | 3455 fps | 98.6% |
| Rottweil R 903 | <<locked>> | 96% | 51,634 psi | 89% | 3527 fps | 98.4% |
| Shooters World Match Rifle | <<locked>> | 88% | 50,154 psi | 86% | 3491 fps | 99.6% |
| Shooters World Precision | <<locked>> | 92% | 51,039 psi | 88% | 3488 fps | 98.8% |
| SNPE Vectan SP 11 | <<locked>> | 94% | 49,908 psi | 86% | 3524 fps | 97.4% |
| SNPE Vectan SP 3 | <<locked>> | 82% | 51,764 psi | 89% | 3481 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 88% | 52,431 psi | 90% | 3497 fps | 96% |
| SNPE Vectan SP 9 | <<locked>> | 88% | 49,298 psi | 85% | 3465 fps | 97.3% |
| SNPE Vectan Tubal 3000 | <<locked>> | 88% | 51,329 psi | 89% | 3415 fps | 99.9% |
| SNPE Vectan Tubal 5000 | <<locked>> | 94% | 51,314 psi | 88% | 3406 fps | 100% |
| Somchem S321 | <<locked>> | 84% | 51,068 psi | 88% | 3494 fps | 98.9% |
| Somchem S335 | <<locked>> | 88% | 50,850 psi | 88% | 3409 fps | 100% |
| Somchem S341 | <<locked>> | 88% | 51,822 psi | 89% | 3491 fps | 97.8% |
| Somchem S355 | <<locked>> | 96% | 52,330 psi | 90% | 3530 fps | 98.4% |
| Somchem S365ᴾ | <<locked>> | 100% | 43,134 psi | 74% | 3432 fps | 97.9% |
| Vihtavuori N130 | <<locked>> | 84% | 49,995 psi | 86% | 3379 fps | 100% |
| Vihtavuori N133 | <<locked>> | 90% | 50,850 psi | 88% | 3402 fps | 100% |
| Vihtavuori N135 | <<locked>> | 90% | 49,153 psi | 85% | 3438 fps | 100% |
| Vihtavuori N140 | <<locked>> | 90% | 49,864 psi | 86% | 3438 fps | 99.9% |
| Vihtavuori N150ᴾ | <<locked>> | 100% | 49,908 psi | 86% | 3448 fps | 99% |
| Vihtavuori N160 | <<locked>> | 98% | 50,183 psi | 87% | 3488 fps | 96% |
| Vihtavuori N530 | <<locked>> | 84% | 49,429 psi | 85% | 3468 fps | 98.6% |
| Vihtavuori N540 | <<locked>> | 90% | 49,748 psi | 86% | 3461 fps | 99.8% |
| Vihtavuori N550 | <<locked>> | 98% | 50,633 psi | 87% | 3547 fps | 96.1% |
| Winchester 6.5 StaBALL | <<locked>> | 98% | 48,965 psi | 84% | 3422 fps | 98% |
| Winchester 748 | <<locked>> | 84% | 50,299 psi | 87% | 3524 fps | 99.2% |
| Winchester StaBALL Match | <<locked>> | 82% | 50,198 psi | 87% | 3494 fps | 98.1% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 80% | 42,438 psi | 73% | 3261 fps | 100% |
| Accurate 2460 | <<locked>> | 80% | 46,862 psi | 81% | 3383 fps | 99.4% |
| Accurate 2495 | <<locked>> | 80% | 35,114 psi | 61% | 3127 fps | 99.4% |
| Accurate 2520 | <<locked>> | 80% | 40,364 psi | 70% | 3278 fps | 98% |
| Accurate 4064 | <<locked>> | 80% | 33,127 psi | 57% | 3091 fps | 96.9% |
| ADI AR 2206H | <<locked>> | 82% | 41,727 psi | 72% | 3301 fps | 95.2% |
| ADI AR 2208 | <<locked>> | 90% | 45,818 psi | 79% | 3373 fps | 95.7% |
| ADI Benchmark 8208 | <<locked>> | 80% | 41,075 psi | 71% | 3264 fps | 96.5% |
| Alliant AR-Comp | <<locked>> | 80% | 40,335 psi | 70% | 3294 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 80% | 47,529 psi | 82% | 3510 fps | 97.4% |
| Alliant Power Pro 2000-MR | 37.9 gr | 88% | 46,963 psi | 81% | 3530 fps | 95.6% |
| Alliant Reloder- TS 15.5 | <<locked>> | 86% | 39,653 psi | 68% | 3264 fps | 95.7% |
| Alliant Reloder-10x | <<locked>> | 80% | 48,037 psi | 83% | 3399 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 86% | 42,960 psi | 74% | 3350 fps | 95% |
| Alliant Reloder-17 | 38.2 gr | 90% | 39,813 psi | 69% | 3343 fps | 95% |
| Baschieri & Pellagri 107 | <<locked>> | 86% | 47,268 psi | 82% | 3435 fps | 95.7% |
| Bofors RP3 | <<locked>> | 86% | 39,175 psi | 68% | 3258 fps | 95.7% |
| Hodgdon Benchmark | <<locked>> | 80% | 43,076 psi | 74% | 3271 fps | 97.7% |
| Hodgdon BL-C2 | <<locked>> | 80% | 39,871 psi | 69% | 3274 fps | 96.8% |
| Hodgdon CFE223 | <<locked>> | 80% | 43,714 psi | 75% | 3432 fps | 95.1% |
| Hodgdon H322 | <<locked>> | 80% | 43,555 psi | 75% | 3346 fps | 99.6% |
| Hodgdon H4895 | <<locked>> | 80% | 39,392 psi | 68% | 3251 fps | 95.1% |
| Hodgdon Hybrid 100V | <<locked>> | 98% | 41,133 psi | 71% | 3307 fps | 95.6% |
| Hodgdon LEVERevolution | <<locked>> | 84% | 38,319 psi | 66% | 3268 fps | 95.3% |
| Hodgdon TrailBoss | <<locked>> | 80% | 25,556 psi | 44% | 2051 fps | 100% |
| Hodgdon VARGET | <<locked>> | 84% | 40,147 psi | 69% | 3251 fps | 95.3% |
| IMR 3031 | <<locked>> | 80% | 34,925 psi | 60% | 3182 fps | 98.7% |
| IMR 4064 | <<locked>> | 90% | 44,773 psi | 77% | 3343 fps | 95.7% |
| IMR 4198 | <<locked>> | 80% | 48,370 psi | 83% | 3373 fps | 100% |
| IMR 4895 | <<locked>> | 84% | 41,205 psi | 71% | 3323 fps | 95.2% |
| IMR 8208 XBR | <<locked>> | 80% | 41,075 psi | 71% | 3264 fps | 96.5% |
| Lovex D073.5 | <<locked>> | 80% | 46,601 psi | 80% | 3376 fps | 98.7% |
| Lovex D073.6 | <<locked>> | 80% | 37,695 psi | 65% | 3209 fps | 97.3% |
| Lovex S060 | <<locked>> | 82% | 42,221 psi | 73% | 3245 fps | 95.5% |
| Lovex S062 | <<locked>> | 82% | 36,883 psi | 64% | 3163 fps | 95.2% |
| Norma 201 | <<locked>> | 80% | 38,305 psi | 66% | 3189 fps | 95.7% |
| Norma 202 | <<locked>> | 80% | 38,450 psi | 66% | 3215 fps | 98.2% |
| Norma 203B | <<locked>> | 86% | 42,235 psi | 73% | 3333 fps | 95.5% |
| Ramshot Big Game | <<locked>> | 86% | 41,916 psi | 72% | 3337 fps | 95.1% |
| Ramshot Wild Boar | <<locked>> | 82% | 43,337 psi | 75% | 3340 fps | 95.7% |
| Ramshot X-Terminator | <<locked>> | 80% | 44,846 psi | 77% | 3320 fps | 96.1% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 25,701 psi | 44% | 2096 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 46,456 psi | 80% | 3389 fps | 98.9% |
| ReloadSwiss RS 52 | <<locked>> | 86% | 44,875 psi | 77% | 3468 fps | 95.5% |
| ReloadSwiss RS 60 | 35.6 gr | 84% | 34,432 psi | 59% | 3199 fps | 95.3% |
| Rottweil R 901 | <<locked>> | 80% | 42,003 psi | 72% | 3274 fps | 98.6% |
| Rottweil R 902 | <<locked>> | 80% | 36,550 psi | 63% | 3130 fps | 95% |
| Rottweil R 903 | <<locked>> | 88% | 39,363 psi | 68% | 3255 fps | 95.4% |
| Shooters World Match Rifle | <<locked>> | 80% | 37,695 psi | 65% | 3209 fps | 97.3% |
| Shooters World Precision | <<locked>> | 82% | 36,883 psi | 64% | 3163 fps | 95.2% |
| SNPE Vectan SP 11 | <<locked>> | 90% | 43,816 psi | 76% | 3389 fps | 95.9% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 48,762 psi | 84% | 3425 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 86% | 48,704 psi | 84% | 3422 fps | 95.1% |
| SNPE Vectan SP 9 | <<locked>> | 84% | 43,439 psi | 75% | 3333 fps | 95.8% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 39,972 psi | 69% | 3173 fps | 98.5% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 32,909 psi | 57% | 2992 fps | 97.6% |
| Somchem S321 | <<locked>> | 80% | 44,570 psi | 77% | 3360 fps | 97.8% |
| Somchem S335 | <<locked>> | 80% | 39,465 psi | 68% | 3169 fps | 99% |
| Somchem S341 | <<locked>> | 82% | 42,047 psi | 73% | 3281 fps | 95.3% |
| Somchem S355 | <<locked>> | 88% | 40,292 psi | 69% | 3264 fps | 95.4% |
| Somchem S365 | <<locked>> | 94% | 35,375 psi | 61% | 3219 fps | 95% |
| Vihtavuori N130 | <<locked>> | 80% | 44,222 psi | 76% | 3264 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 37,391 psi | 64% | 3123 fps | 99.6% |
| Vihtavuori N135 | <<locked>> | 80% | 35,433 psi | 61% | 3136 fps | 99.4% |
| Vihtavuori N140 | <<locked>> | 80% | 35,882 psi | 62% | 3123 fps | 97.8% |
| Vihtavuori N150 | <<locked>> | 90% | 36,303 psi | 63% | 3140 fps | 95.7% |
| Vihtavuori N160 | <<locked>> | 96% | 46,891 psi | 81% | 3415 fps | 95.1% |
| Vihtavuori N530 | <<locked>> | 80% | 43,294 psi | 75% | 3333 fps | 97.3% |
| Vihtavuori N540 | <<locked>> | 80% | 35,737 psi | 62% | 3133 fps | 97.3% |
| Vihtavuori N550 | <<locked>> | 96% | 47,427 psi | 82% | 3474 fps | 95.2% |
| Winchester 6.5 StaBALL | <<locked>> | 92% | 39,900 psi | 69% | 3215 fps | 95.4% |
| Winchester 748 | <<locked>> | 80% | 43,700 psi | 75% | 3383 fps | 98.1% |
| Winchester StaBALL Match | <<locked>> | 80% | 46,688 psi | 81% | 3422 fps | 97.4% |
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 73 powders for .22-250 Ackley Improved loaded with the .224 | 55gr | Speer TMJ. ReloadSwiss RS 60 delivers the highest muzzle velocity at 3,658 fps; across all powders the maximum-charge window runs from 2,283 fps to 3,658 fps. Hodgdon Hybrid 100V gives the best case fill at 100 %, and 73 of the 73 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (400 MPa), the top charges use 59–90 %, leaving at least 10 % headroom. The 55.0 gr projectile in 0.224" calls for a 1:11.0 twist; slower twists will usually not stabilise this weight. Hodgdon Hybrid 100V, Hodgdon TrailBoss, ReloadSwiss RS 14 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. Alliant Power Pro 2000-MR, ReloadSwiss RS 60, Alliant Reloder-17 rank at the top here: for .22-250 Ackley Improved with the .224 | 55gr | Speer TMJ 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.