Load Specifications
Load data in caliber .221 Rem. Fireball with .224 | 60gr | Hornady V-MAX bullet and 34 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ADI AR 2207, ReloadSwiss RS 36 and Vihtavuori N120.
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 1680 | <<locked>> | 92% | 41,539 psi | 90% | 2552 fps | 95.9% |
| Accurate 1680 | <<locked>> | 92% | 41,582 psi | 90% | 2559 fps | 96% |
| ADI AR 2205 | <<locked>> | 82% | 40,567 psi | 87% | 2457 fps | 99.9% |
| ADI AR 2205 | <<locked>> | 82% | 40,756 psi | 88% | 2467 fps | 99.9% |
| ADI AR 2207 | <<locked>> | 98% | 41,002 psi | 88% | 2657 fps | 99.4% |
| ADI AR 2207 | <<locked>> | 98% | 41,162 psi | 89% | 2664 fps | 99.4% |
| Alliant Reloder-7 | <<locked>> | 96% | 41,408 psi | 89% | 2605 fps | 96.7% |
| Alliant Reloder-7 | <<locked>> | 96% | 41,524 psi | 89% | 2612 fps | 96.8% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 28,427 psi | 61% | 1627 fps | 100% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 28,137 psi | 61% | 1627 fps | 100% |
| IMR 4198ᴾ | <<locked>> | 100% | 40,059 psi | 86% | 2579 fps | 96.6% |
| IMR 4198ᴾ | <<locked>> | 100% | 40,147 psi | 87% | 2585 fps | 96.7% |
| IMR 4227 | <<locked>> | 90% | 41,597 psi | 90% | 2562 fps | 98.4% |
| IMR 4227 | <<locked>> | 90% | 41,756 psi | 90% | 2572 fps | 98.5% |
| Lovex D060 | <<locked>> | 82% | 40,857 psi | 88% | 2559 fps | 96.7% |
| Lovex D060 | <<locked>> | 82% | 41,031 psi | 88% | 2569 fps | 96.8% |
| Lovex S053 | <<locked>> | 90% | 39,610 psi | 85% | 2533 fps | 99.9% |
| Lovex S053 | <<locked>> | 90% | 39,856 psi | 86% | 2539 fps | 99.9% |
| Norma 200ᴾ | <<locked>> | 100% | 40,437 psi | 87% | 2651 fps | 97% |
| Norma 200ᴾ | <<locked>> | 100% | 40,538 psi | 87% | 2657 fps | 97.1% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 27,775 psi | 60% | 1663 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 28,253 psi | 61% | 1677 fps | 100% |
| ReloadSwiss RS 36 | <<locked>> | 90% | 39,856 psi | 86% | 2575 fps | 98% |
| ReloadSwiss RS 36 | <<locked>> | 90% | 40,857 psi | 88% | 2598 fps | 98.3% |
| Shooters World Buffalo Rifle | <<locked>> | 82% | 40,857 psi | 88% | 2559 fps | 96.7% |
| Shooters World Buffalo Rifle | <<locked>> | 82% | 41,031 psi | 88% | 2569 fps | 96.8% |
| Shooters World SOCOM | <<locked>> | 82% | 39,987 psi | 86% | 2520 fps | 97.3% |
| Shooters World SOCOM | <<locked>> | 82% | 40,176 psi | 87% | 2526 fps | 97.4% |
| SNPE Vectan BA6 1/2 | <<locked>> | 94% | 41,698 psi | 90% | 2444 fps | 100% |
| SNPE Vectan BA6 1/2 | <<locked>> | 94% | 41,887 psi | 90% | 2451 fps | 100% |
| Vihtavuori N110 | <<locked>> | 84% | 39,479 psi | 85% | 2477 fps | 100% |
| Vihtavuori N110 | <<locked>> | 84% | 39,769 psi | 86% | 2484 fps | 100% |
| Vihtavuori N120 | <<locked>> | 98% | 41,350 psi | 89% | 2625 fps | 99.8% |
| Vihtavuori N120 | <<locked>> | 98% | 41,510 psi | 89% | 2631 fps | 99.9% |
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 1680 | <<locked>> | 90% | 38,392 psi | 83% | 2493 fps | 95% |
| Accurate 1680 | <<locked>> | 90% | 39,233 psi | 85% | 2516 fps | 95.4% |
| ADI AR 2205 | <<locked>> | 80% | 38,203 psi | 82% | 2415 fps | 99.8% |
| ADI AR 2205 | <<locked>> | 80% | 38,421 psi | 83% | 2425 fps | 99.8% |
| ADI AR 2207 | 12.7 gr | 84% | 26,803 psi | 58% | 2339 fps | 95.5% |
| ADI AR 2207 | 12.7 gr | 84% | 26,992 psi | 58% | 2349 fps | 95.7% |
| Alliant Reloder-7 | <<locked>> | 92% | 36,767 psi | 79% | 2516 fps | 95.5% |
| Alliant Reloder-7 | <<locked>> | 92% | 36,927 psi | 80% | 2523 fps | 95.6% |
| Hodgdon TrailBoss | <<locked>> | 80% | 20,610 psi | 44% | 1453 fps | 100% |
| Hodgdon TrailBoss | <<locked>> | 80% | 21,074 psi | 45% | 1467 fps | 100% |
| IMR 4198 | <<locked>> | 96% | 35,665 psi | 77% | 2487 fps | 95.2% |
| IMR 4198 | <<locked>> | 96% | 35,824 psi | 77% | 2497 fps | 95.3% |
| IMR 4227 | <<locked>> | 80% | 30,589 psi | 66% | 2329 fps | 95.4% |
| IMR 4227 | <<locked>> | 80% | 30,777 psi | 66% | 2339 fps | 95.6% |
| Lovex D060 | <<locked>> | 80% | 38,479 psi | 83% | 2510 fps | 96.1% |
| Lovex D060 | <<locked>> | 80% | 38,740 psi | 83% | 2520 fps | 96.2% |
| Lovex S053 | <<locked>> | 80% | 29,849 psi | 64% | 2326 fps | 98.4% |
| Lovex S053 | <<locked>> | 80% | 30,066 psi | 65% | 2336 fps | 98.6% |
| Norma 200 | <<locked>> | 96% | 35,085 psi | 76% | 2546 fps | 95.4% |
| Norma 200 | <<locked>> | 94% | 33,837 psi | 73% | 2523 fps | 95.1% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 20,262 psi | 44% | 1490 fps | 100% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 20,088 psi | 43% | 1486 fps | 100% |
| ReloadSwiss RS 36 | 12.9 gr | 82% | 31,357 psi | 68% | 2395 fps | 95.6% |
| ReloadSwiss RS 36 | 12.6 gr | 80% | 29,747 psi | 64% | 2359 fps | 95% |
| Shooters World Buffalo Rifle | <<locked>> | 80% | 38,479 psi | 83% | 2510 fps | 96.1% |
| Shooters World Buffalo Rifle | <<locked>> | 80% | 38,740 psi | 83% | 2520 fps | 96.2% |
| Shooters World SOCOM | <<locked>> | 80% | 37,695 psi | 81% | 2474 fps | 96.7% |
| Shooters World SOCOM | <<locked>> | 80% | 37,826 psi | 82% | 2484 fps | 96.8% |
| SNPE Vectan BA6 1/2 | <<locked>> | 80% | 28,282 psi | 61% | 2198 fps | 100% |
| SNPE Vectan BA6 1/2 | <<locked>> | 80% | 28,514 psi | 61% | 2208 fps | 100% |
| Vihtavuori N110 | <<locked>> | 80% | 35,447 psi | 76% | 2405 fps | 100% |
| Vihtavuori N110 | <<locked>> | 80% | 35,679 psi | 77% | 2415 fps | 100% |
| Vihtavuori N120 | 12.1 gr | 80% | 24,163 psi | 52% | 2228 fps | 95.5% |
| Vihtavuori N120 | 12.1 gr | 80% | 24,381 psi | 53% | 2238 fps | 95.7% |
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 34 powders for .221 Rem. Fireball loaded with the .224 | 60gr | Hornady V-MAX. ADI AR 2207 delivers the highest muzzle velocity at 2,664 fps; across all powders the maximum-charge window runs from 1,627 fps to 2,664 fps. Hodgdon TrailBoss gives the best case fill at 100 %, and 34 of the 34 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (320 MPa), the top charges use 60–90 %, leaving at least 10 % headroom. The 60.0 gr projectile in 0.224" calls for a 1:9.5 twist; slower twists will usually not stabilise this weight. Hodgdon TrailBoss, Hodgdon TrailBoss, IMR 4198 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. ADI AR 2207, ReloadSwiss RS 36, Vihtavuori N120 rank at the top here: for .221 Rem. Fireball with the .224 | 60gr | Hornady V-MAX 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.