Load Specifications
Load data in caliber 5.56 x 45 NATO with .224 | 50gr | Speer TNT bullet and 32 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ADI AR 2219, Norma 200 and ADI AR 2207.
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: 20"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 1680 | <<locked>> | 90% | 54,650 psi | 88% | 3143 fps | 99.4% |
| Accurate 2015ᴾ | <<locked>> | 100% | 46,427 psi | 74% | 3081 fps | 97.4% |
| Accurate 5744 | <<locked>> | 82% | 55,912 psi | 90% | 3232 fps | 99.8% |
| Accurate LT-30 | <<locked>> | 96% | 54,462 psi | 87% | 3136 fps | 97.5% |
| ADI AR 2205 | <<locked>> | 84% | 56,086 psi | 90% | 3077 fps | 100% |
| ADI AR 2207 | <<locked>> | 94% | 52,968 psi | 85% | 3205 fps | 100% |
| ADI AR 2219 | <<locked>> | 98% | 55,651 psi | 89% | 3284 fps | 97.5% |
| Alliant AR-Compᴾ | <<locked>> | 100% | 43,018 psi | 69% | 3104 fps | 98.9% |
| Alliant Reloder-10xᴾ | <<locked>> | 100% | 53,693 psi | 86% | 3241 fps | 99.4% |
| Alliant Reloder-7 | <<locked>> | 94% | 55,434 psi | 89% | 3209 fps | 99.7% |
| Baschieri & Pellagri 106 | <<locked>> | 96% | 53,301 psi | 85% | 3114 fps | 97.7% |
| Hodgdon H322ᴾ | <<locked>> | 100% | 48,805 psi | 78% | 3163 fps | 96.1% |
| Hodgdon H335 | <<locked>> | 98% | 55,463 psi | 89% | 3264 fps | 96.4% |
| Hodgdon H4198 | <<locked>> | 96% | 55,912 psi | 90% | 3182 fps | 97.2% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 30,864 psi | 49% | 1998 fps | 100% |
| IMR 4198ᴾ | <<locked>> | 100% | 55,274 psi | 89% | 3232 fps | 99.9% |
| IMR 4227 | <<locked>> | 90% | 56,333 psi | 90% | 3189 fps | 100% |
| Lovex D060 | <<locked>> | 84% | 55,912 psi | 90% | 3232 fps | 99.8% |
| Lovex D063 | <<locked>> | 82% | 54,056 psi | 87% | 3136 fps | 99.9% |
| Lovex S053 | <<locked>> | 90% | 54,549 psi | 87% | 3136 fps | 100% |
| Norma 200 | <<locked>> | 96% | 54,172 psi | 87% | 3232 fps | 99.7% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 30,748 psi | 49% | 2044 fps | 100% |
| ReloadSwiss RS 36 | <<locked>> | 90% | 55,956 psi | 90% | 3212 fps | 100% |
| Shooters World Buffalo Rifle | <<locked>> | 84% | 55,912 psi | 90% | 3232 fps | 99.8% |
| Shooters World SOCOM | <<locked>> | 82% | 54,056 psi | 87% | 3136 fps | 99.9% |
| SNPE Vectan BA6 1/2 | <<locked>> | 94% | 55,100 psi | 88% | 2986 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 98% | 56,260 psi | 90% | 3278 fps | 96.5% |
| SNPE Vectan SP 3ᴾ | <<locked>> | 100% | 54,505 psi | 87% | 3241 fps | 98.1% |
| Vihtavuori N110 | <<locked>> | 84% | 53,113 psi | 85% | 3045 fps | 100% |
| Vihtavuori N120 | <<locked>> | 94% | 52,997 psi | 85% | 3156 fps | 100% |
| Vihtavuori N130ᴾ | <<locked>> | 100% | 51,169 psi | 82% | 3127 fps | 98.9% |
| Vihtavuori N133ᴾ | <<locked>> | 100% | 44,338 psi | 71% | 3002 fps | 96.7% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 20"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 1680 | <<locked>> | 80% | 38,856 psi | 62% | 2848 fps | 96.5% |
| Accurate 2015 | <<locked>> | 94% | 38,072 psi | 61% | 2907 fps | 95% |
| Accurate 5744 | <<locked>> | 80% | 52,518 psi | 84% | 3173 fps | 99.5% |
| Accurate LT-30 | <<locked>> | 90% | 45,237 psi | 73% | 2969 fps | 95.5% |
| ADI AR 2205 | <<locked>> | 80% | 49,472 psi | 79% | 2976 fps | 100% |
| ADI AR 2207 | 19.2 gr | 80% | 34,229 psi | 55% | 2835 fps | 98.6% |
| ADI AR 2219 | 24.3 gr | 92% | 45,194 psi | 72% | 3091 fps | 95.1% |
| Alliant AR-Comp | <<locked>> | 92% | 33,185 psi | 53% | 2861 fps | 95.9% |
| Alliant Reloder-10x | <<locked>> | 86% | 34,432 psi | 55% | 2844 fps | 95% |
| Alliant Reloder-7 | <<locked>> | 80% | 35,563 psi | 57% | 2815 fps | 96% |
| Baschieri & Pellagri 106 | <<locked>> | 90% | 43,526 psi | 70% | 2940 fps | 95.4% |
| Hodgdon H322 | <<locked>> | 98% | 45,745 psi | 73% | 3104 fps | 95.2% |
| Hodgdon H335 | <<locked>> | 96% | 51,358 psi | 82% | 3199 fps | 95.6% |
| Hodgdon H4198 | <<locked>> | 90% | 46,282 psi | 74% | 3012 fps | 95% |
| Hodgdon TrailBoss | <<locked>> | 80% | 22,698 psi | 36% | 1791 fps | 100% |
| IMR 4198 | <<locked>> | 82% | 32,343 psi | 52% | 2746 fps | 95.1% |
| IMR 4227 | <<locked>> | 80% | 41,727 psi | 67% | 2930 fps | 99.2% |
| Lovex D060 | <<locked>> | 80% | 49,937 psi | 80% | 3127 fps | 99.3% |
| Lovex D063 | <<locked>> | 80% | 50,763 psi | 81% | 3084 fps | 99.7% |
| Lovex S053 | <<locked>> | 80% | 40,654 psi | 65% | 2897 fps | 100% |
| Norma 200 | 20.5 gr | 82% | 34,084 psi | 55% | 2825 fps | 95.8% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 22,307 psi | 36% | 1827 fps | 100% |
| ReloadSwiss RS 36 | <<locked>> | 80% | 40,756 psi | 65% | 2940 fps | 98.9% |
| Shooters World Buffalo Rifle | <<locked>> | 80% | 49,937 psi | 80% | 3127 fps | 99.3% |
| Shooters World SOCOM | <<locked>> | 80% | 50,763 psi | 81% | 3084 fps | 99.7% |
| SNPE Vectan BA6 1/2 | <<locked>> | 80% | 37,579 psi | 60% | 2703 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 96% | 52,794 psi | 85% | 3222 fps | 95.8% |
| SNPE Vectan SP 3 | <<locked>> | 92% | 42,511 psi | 68% | 3018 fps | 95.4% |
| Vihtavuori N110 | <<locked>> | 80% | 47,688 psi | 76% | 2963 fps | 100% |
| Vihtavuori N120 | <<locked>> | 80% | 34,389 psi | 55% | 2808 fps | 99.4% |
| Vihtavuori N130 | <<locked>> | 88% | 35,346 psi | 57% | 2805 fps | 95.1% |
| Vihtavuori N133 | <<locked>> | 96% | 39,508 psi | 63% | 2900 fps | 95.3% |
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 55 powders for 5.56 x 45 NATO loaded with the .224 | 50gr | Speer TNT. ADI AR 2219 delivers the highest muzzle velocity at 3,284 fps; across all powders the maximum-charge window runs from 1,998 fps to 3,284 fps. Accurate 2015 gives the best case fill at 100 %, and 55 of the 55 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (430 MPa), the top charges use 49–90 %, leaving at least 10 % headroom. The 50.0 gr projectile in 0.224" calls for a 1:12.0 twist; slower twists will usually not stabilise this weight. Accurate 2015, Accurate 2460, Accurate 2495 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 2219, Norma 200, ADI AR 2207 rank at the top here: for 5.56 x 45 NATO with the .224 | 50gr | Speer TNT they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, Accurate 2495, Accurate 2520, Alliant Power Pro 1200-R 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.