Load Specifications
Load data in caliber .222 Rem. Mag. with .227 | 58gr | Reichenberg HDB Universal bullet and 44 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ADI AR 2219, SNPE Vectan SP 10 and Hodgdon H335.
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 1680 | <<locked>> | 88% | 52,330 psi | 89% | 3064 fps | 100% |
| Accurate 2015ᴾ | <<locked>> | 100% | 47,805 psi | 81% | 3077 fps | 99.6% |
| Accurate 2460 | <<locked>> | 98% | 50,372 psi | 86% | 3133 fps | 98% |
| Accurate 2495ᴾ | <<locked>> | 100% | 35,998 psi | 61% | 2923 fps | 98.2% |
| Accurate 2520ᴾ | <<locked>> | 100% | 46,876 psi | 80% | 3114 fps | 97% |
| Accurate LT-30 | <<locked>> | 94% | 52,866 psi | 90% | 3068 fps | 99.2% |
| Accurate LT-32 | <<locked>> | 92% | 50,024 psi | 85% | 3022 fps | 97.3% |
| ADI AR 2207 | <<locked>> | 92% | 51,866 psi | 88% | 3127 fps | 100% |
| ADI AR 2219 | <<locked>> | 94% | 50,575 psi | 86% | 3173 fps | 99% |
| Alliant AR-Compᴾ | <<locked>> | 100% | 44,512 psi | 76% | 3110 fps | 100% |
| Alliant Reloder-10x | <<locked>> | 98% | 52,359 psi | 89% | 3179 fps | 100% |
| Alliant Reloder-7 | <<locked>> | 90% | 50,241 psi | 86% | 3077 fps | 100% |
| Baschieri & Pellagri 106 | <<locked>> | 94% | 51,445 psi | 88% | 3051 fps | 99.3% |
| Hodgdon Benchmarkᴾ | <<locked>> | 100% | 51,300 psi | 87% | 3094 fps | 96.5% |
| Hodgdon H322 | <<locked>> | 98% | 51,982 psi | 88% | 3196 fps | 99.1% |
| Hodgdon H335 | <<locked>> | 96% | 49,661 psi | 85% | 3150 fps | 98.1% |
| Hodgdon H4198 | <<locked>> | 90% | 51,285 psi | 87% | 3068 fps | 98.7% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 31,430 psi | 54% | 1932 fps | 100% |
| IMR 3031ᴾ | <<locked>> | 100% | 42,351 psi | 72% | 3084 fps | 98.4% |
| IMR 4198 | <<locked>> | 96% | 50,821 psi | 87% | 3107 fps | 100% |
| IMR 4227 | <<locked>> | 86% | 51,648 psi | 88% | 3051 fps | 100% |
| Lovex D073.4 | <<locked>> | 92% | 51,924 psi | 88% | 3169 fps | 97.6% |
| Lovex D073.5 | <<locked>> | 98% | 51,082 psi | 87% | 3136 fps | 96.9% |
| Lovex S053 | <<locked>> | 88% | 52,634 psi | 90% | 3031 fps | 100% |
| Norma 200 | <<locked>> | 94% | 51,851 psi | 88% | 3150 fps | 100% |
| Norma 202ᴾ | <<locked>> | 100% | 43,105 psi | 73% | 3035 fps | 96.8% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 30,821 psi | 52% | 1969 fps | 100% |
| ReloadSwiss RS 36 | <<locked>> | 86% | 51,213 psi | 87% | 3081 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 98% | 51,764 psi | 88% | 3159 fps | 97.4% |
| Rottweil R 901ᴾ | <<locked>> | 100% | 47,108 psi | 80% | 3077 fps | 97.4% |
| Shooters World AR Plus | <<locked>> | 92% | 51,924 psi | 88% | 3169 fps | 97.6% |
| SNPE Vectan BA6 1/2 | <<locked>> | 90% | 50,836 psi | 87% | 2838 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 94% | 50,879 psi | 87% | 3166 fps | 98.2% |
| SNPE Vectan SP 3 | <<locked>> | 96% | 50,473 psi | 86% | 3136 fps | 99.4% |
| SNPE Vectan Tubal 3000ᴾ | <<locked>> | 100% | 47,282 psi | 80% | 3005 fps | 97.4% |
| SNPE Vectan Tubal 5000ᴾ | <<locked>> | 100% | 37,710 psi | 64% | 2828 fps | 96.3% |
| Somchem S321ᴾ | <<locked>> | 100% | 52,953 psi | 90% | 3196 fps | 96.6% |
| Somchem S335ᴾ | <<locked>> | 100% | 45,397 psi | 77% | 2999 fps | 98% |
| Vihtavuori N110 | <<locked>> | 82% | 51,677 psi | 88% | 2936 fps | 100% |
| Vihtavuori N120 | <<locked>> | 92% | 51,967 psi | 88% | 3071 fps | 100% |
| Vihtavuori N130 | <<locked>> | 98% | 49,864 psi | 85% | 3064 fps | 99.9% |
| Vihtavuori N133ᴾ | <<locked>> | 100% | 46,282 psi | 79% | 3012 fps | 99.3% |
| Vihtavuori N135ᴾ | <<locked>> | 100% | 38,072 psi | 65% | 2949 fps | 98.4% |
| Vihtavuori N140ᴾ | <<locked>> | 100% | 40,770 psi | 69% | 2949 fps | 96.5% |
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 1680 | <<locked>> | 80% | 40,118 psi | 68% | 2851 fps | 99.2% |
| Accurate 2015 | <<locked>> | 86% | 30,589 psi | 52% | 2713 fps | 95.9% |
| Accurate 2460 | <<locked>> | 90% | 38,130 psi | 65% | 2904 fps | 95.1% |
| Accurate 2495 | <<locked>> | 92% | 27,035 psi | 46% | 2697 fps | 95% |
| Accurate 2520 | <<locked>> | 96% | 40,669 psi | 69% | 2995 fps | 95.4% |
| Accurate LT-30 | <<locked>> | 80% | 34,156 psi | 58% | 2703 fps | 95.3% |
| Accurate LT-32 | <<locked>> | 86% | 41,611 psi | 71% | 2864 fps | 95.3% |
| ADI AR 2207 | <<locked>> | 80% | 35,041 psi | 60% | 2825 fps | 100% |
| ADI AR 2219 | 21.3 gr | 84% | 35,926 psi | 61% | 2877 fps | 95.7% |
| Alliant AR-Comp | <<locked>> | 82% | 24,598 psi | 42% | 2598 fps | 95.5% |
| Alliant Reloder-10x | <<locked>> | 80% | 29,167 psi | 50% | 2697 fps | 96.5% |
| Alliant Reloder-7 | <<locked>> | 80% | 36,854 psi | 63% | 2828 fps | 99% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 32,285 psi | 55% | 2674 fps | 95% |
| Hodgdon Benchmark | <<locked>> | 96% | 45,658 psi | 78% | 2995 fps | 95.1% |
| Hodgdon H322 | <<locked>> | 86% | 34,954 psi | 60% | 2851 fps | 95.3% |
| Hodgdon H335 | 23 gr | 88% | 37,536 psi | 64% | 2910 fps | 95.1% |
| Hodgdon H4198 | <<locked>> | 80% | 37,710 psi | 64% | 2802 fps | 95.7% |
| Hodgdon TrailBoss | <<locked>> | 80% | 22,756 psi | 39% | 1726 fps | 100% |
| IMR 3031 | <<locked>> | 92% | 32,663 psi | 56% | 2854 fps | 95.4% |
| IMR 4198 | <<locked>> | 80% | 31,560 psi | 54% | 2710 fps | 98.1% |
| IMR 4227 | <<locked>> | 80% | 42,540 psi | 72% | 2897 fps | 100% |
| Lovex D073.4 | <<locked>> | 86% | 41,423 psi | 71% | 2979 fps | 95.2% |
| Lovex D073.5 | <<locked>> | 94% | 43,816 psi | 75% | 3012 fps | 95.2% |
| Lovex S053 | <<locked>> | 80% | 41,858 psi | 71% | 2861 fps | 100% |
| Norma 200 | <<locked>> | 80% | 33,011 psi | 56% | 2785 fps | 98.5% |
| Norma 202 | <<locked>> | 96% | 37,565 psi | 64% | 2917 fps | 95.2% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 22,365 psi | 38% | 1762 fps | 100% |
| ReloadSwiss RS 36 | <<locked>> | 80% | 42,438 psi | 72% | 2933 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 92% | 42,308 psi | 72% | 2989 fps | 95.3% |
| Rottweil R 901 | <<locked>> | 94% | 39,073 psi | 67% | 2917 fps | 95.4% |
| Shooters World AR Plus | <<locked>> | 86% | 41,423 psi | 71% | 2979 fps | 95.2% |
| SNPE Vectan BA6 1/2 | <<locked>> | 80% | 38,754 psi | 66% | 2654 fps | 100% |
| SNPE Vectan SP 10 | 22.5 gr | 86% | 38,522 psi | 66% | 2930 fps | 95.3% |
| SNPE Vectan SP 3 | <<locked>> | 82% | 31,923 psi | 54% | 2749 fps | 95.2% |
| SNPE Vectan Tubal 3000 | <<locked>> | 94% | 38,957 psi | 66% | 2844 fps | 95.4% |
| SNPE Vectan Tubal 5000 | <<locked>> | 98% | 35,215 psi | 60% | 2772 fps | 95.4% |
| Somchem S321 | <<locked>> | 98% | 48,791 psi | 83% | 3123 fps | 95.7% |
| Somchem S335 | <<locked>> | 92% | 35,331 psi | 60% | 2792 fps | 95.4% |
| Vihtavuori N110 | <<locked>> | 80% | 48,849 psi | 83% | 2894 fps | 100% |
| Vihtavuori N120 | <<locked>> | 80% | 35,244 psi | 60% | 2785 fps | 100% |
| Vihtavuori N130 | <<locked>> | 80% | 28,123 psi | 48% | 2602 fps | 95.7% |
| Vihtavuori N133 | <<locked>> | 86% | 29,573 psi | 50% | 2644 fps | 95.1% |
| Vihtavuori N135 | <<locked>> | 92% | 29,211 psi | 50% | 2723 fps | 95.4% |
| Vihtavuori N140 | <<locked>> | 96% | 36,143 psi | 62% | 2848 fps | 95% |
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 44 powders for .222 Rem. Mag. loaded with the .227 | 58gr | Reichenberg HDB Universal. Hodgdon H322 delivers the highest muzzle velocity at 3,196 fps; across all powders the maximum-charge window runs from 1,932 fps to 3,196 fps. Accurate 2015 gives the best case fill at 100 %, and 44 of the 44 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (405 MPa), the top charges use 52–90 %, leaving at least 10 % headroom. The 58.0 gr projectile in 0.227" calls for a 1:11.0 twist; slower twists will usually not stabilise this weight. Accurate 2015, Accurate 2495, Accurate 2520 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, SNPE Vectan SP 10, Hodgdon H335 rank at the top here: for .222 Rem. Mag. with the .227 | 58gr | Reichenberg HDB Universal 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.