
Load Specifications
Load data in caliber .223 WSSM with .224 | 52gr | Sierra MatchKing bullet and 86 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.
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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% | 57,348 psi | 90% | 3671 fps | 100% |
| Accurate 2460 | <<locked>> | 82% | 56,072 psi | 88% | 3688 fps | 100% |
| Accurate 2495 | <<locked>> | 90% | 56,478 psi | 89% | 3688 fps | 100% |
| Accurate 2520 | <<locked>> | 84% | 54,868 psi | 86% | 3698 fps | 100% |
| Accurate 4064 | <<locked>> | 92% | 56,362 psi | 88% | 3730 fps | 100% |
| Accurate 4350ᴾ | <<locked>> | 100% | 57,319 psi | 90% | 3806 fps | 98.4% |
| ADI AR 2206H | <<locked>> | 88% | 56,898 psi | 89% | 3770 fps | 99.2% |
| ADI AR 2208 | <<locked>> | 92% | 54,549 psi | 85% | 3698 fps | 98.4% |
| ADI Benchmark 8208 | <<locked>> | 86% | 55,883 psi | 88% | 3717 fps | 99.7% |
| Alliant AR-Comp | <<locked>> | 86% | 56,521 psi | 89% | 3714 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 82% | 57,319 psi | 90% | 3858 fps | 99.5% |
| Alliant Power Pro 2000-MR | <<locked>> | 90% | 57,305 psi | 90% | 3901 fps | 98.9% |
| Alliant Reloder- TS 15.5 | <<locked>> | 92% | 54,708 psi | 86% | 3727 fps | 99.5% |
| Alliant Reloder-10x | <<locked>> | 82% | 56,826 psi | 89% | 3694 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 90% | 54,984 psi | 86% | 3747 fps | 98.6% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 54,505 psi | 85% | 3806 fps | 98.3% |
| Alliant Reloder-17 | <<locked>> | 96% | 56,014 psi | 88% | 3855 fps | 99.6% |
| Baschieri & Pellagri 107 | <<locked>> | 88% | 57,232 psi | 90% | 3773 fps | 98.5% |
| Bofors RP3 | <<locked>> | 92% | 55,259 psi | 87% | 3740 fps | 99.6% |
| Hodgdon Benchmark | <<locked>> | 86% | 57,595 psi | 90% | 3711 fps | 99.9% |
| Hodgdon BL-C2 | <<locked>> | 86% | 55,680 psi | 87% | 3743 fps | 99.9% |
| Hodgdon CFE223 | <<locked>> | 84% | 57,696 psi | 90% | 3865 fps | 98.9% |
| Hodgdon H322 | <<locked>> | 82% | 56,289 psi | 88% | 3734 fps | 100% |
| Hodgdon H335 | <<locked>> | 82% | 57,609 psi | 90% | 3747 fps | 100% |
| Hodgdon H380 | <<locked>> | 92% | 56,463 psi | 88% | 3750 fps | 97.8% |
| Hodgdon H4895 | <<locked>> | 88% | 57,450 psi | 90% | 3786 fps | 99.5% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 50,705 psi | 79% | 3652 fps | 98.8% |
| Hodgdon LEVERevolution | <<locked>> | 90% | 57,363 psi | 90% | 3816 fps | 99.7% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 34,998 psi | 55% | 2434 fps | 100% |
| Hodgdon VARGET | <<locked>> | 88% | 55,347 psi | 87% | 3724 fps | 99.3% |
| IMR 3031 | <<locked>> | 88% | 57,116 psi | 90% | 3780 fps | 100% |
| IMR 4064 | <<locked>> | 92% | 57,435 psi | 90% | 3743 fps | 99% |
| IMR 4198 | <<locked>> | 82% | 56,449 psi | 88% | 3652 fps | 100% |
| IMR 4831ᴾ | <<locked>> | 100% | 53,911 psi | 84% | 3720 fps | 98% |
| IMR 4895 | <<locked>> | 90% | 56,391 psi | 88% | 3789 fps | 99.2% |
| IMR 8208 XBR | <<locked>> | 86% | 55,883 psi | 88% | 3717 fps | 99.7% |
| Lovex D073.5 | <<locked>> | 82% | 56,260 psi | 88% | 3698 fps | 99.9% |
| Lovex D073.6 | <<locked>> | 88% | 57,159 psi | 90% | 3750 fps | 100% |
| Lovex S060 | <<locked>> | 88% | 56,333 psi | 88% | 3688 fps | 99.1% |
| Lovex S062 | <<locked>> | 92% | 57,276 psi | 90% | 3743 fps | 99.8% |
| Lovex S065 | <<locked>> | 98% | 57,043 psi | 89% | 3724 fps | 97.2% |
| Norma 201 | <<locked>> | 88% | 55,492 psi | 87% | 3707 fps | 99.7% |
| Norma 202 | <<locked>> | 88% | 55,999 psi | 88% | 3714 fps | 100% |
| Norma 203B | <<locked>> | 90% | 54,201 psi | 85% | 3730 fps | 98.9% |
| Norma URPᴾ | <<locked>> | 100% | 56,043 psi | 88% | 3789 fps | 98.2% |
| Ramshot Big Game | <<locked>> | 90% | 55,347 psi | 87% | 3757 fps | 99% |
| Ramshot Hunterᴾ | <<locked>> | 100% | 55,100 psi | 86% | 3766 fps | 96.5% |
| Ramshot TAC | <<locked>> | 86% | 56,565 psi | 89% | 3717 fps | 97.3% |
| Ramshot Wild Boar | <<locked>> | 86% | 56,057 psi | 88% | 3743 fps | 99.1% |
| Ramshot X-Terminator | <<locked>> | 84% | 57,087 psi | 89% | 3714 fps | 99.1% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,360 psi | 55% | 2487 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 82% | 55,259 psi | 87% | 3704 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 92% | 56,927 psi | 89% | 3720 fps | 96.4% |
| ReloadSwiss RS 52 | <<locked>> | 88% | 55,753 psi | 87% | 3832 fps | 98.6% |
| ReloadSwiss RS 60 | <<locked>> | 94% | 55,941 psi | 88% | 3875 fps | 100% |
| ReloadSwiss RS 62ᴾ | <<locked>> | 100% | 57,130 psi | 90% | 3819 fps | 98.2% |
| ReloadSwiss RS 70ᴾ | <<locked>> | 100% | 56,942 psi | 89% | 3848 fps | 97.9% |
| Rottweil R 901 | <<locked>> | 86% | 56,333 psi | 88% | 3707 fps | 100% |
| Rottweil R 902 | <<locked>> | 90% | 55,898 psi | 88% | 3704 fps | 99.7% |
| Rottweil R 903 | <<locked>> | 94% | 55,100 psi | 86% | 3727 fps | 99.4% |
| Shooters World Long Rifle | <<locked>> | 98% | 57,043 psi | 89% | 3724 fps | 97.2% |
| Shooters World Match Rifle | <<locked>> | 88% | 57,159 psi | 90% | 3750 fps | 100% |
| Shooters World Precision | <<locked>> | 92% | 57,276 psi | 90% | 3743 fps | 99.8% |
| SNPE Vectan SP 11 | <<locked>> | 94% | 57,188 psi | 90% | 3796 fps | 99.2% |
| SNPE Vectan SP 3 | <<locked>> | 82% | 57,377 psi | 90% | 3717 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 86% | 55,027 psi | 86% | 3688 fps | 97.4% |
| SNPE Vectan SP 9 | <<locked>> | 88% | 55,724 psi | 87% | 3730 fps | 99% |
| SNPE Vectan Tubal 3000 | <<locked>> | 88% | 57,072 psi | 89% | 3655 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 94% | 57,406 psi | 90% | 3638 fps | 100% |
| Somchem S321 | <<locked>> | 84% | 57,464 psi | 90% | 3753 fps | 99.9% |
| Somchem S335 | <<locked>> | 88% | 56,362 psi | 88% | 3642 fps | 100% |
| Somchem S341 | <<locked>> | 86% | 54,418 psi | 85% | 3678 fps | 98.8% |
| Somchem S355 | <<locked>> | 94% | 55,666 psi | 87% | 3730 fps | 99.3% |
| Somchem S365ᴾ | <<locked>> | 100% | 50,575 psi | 79% | 3724 fps | 99.7% |
| Vihtavuori N130 | <<locked>> | 84% | 56,347 psi | 88% | 3619 fps | 100% |
| Vihtavuori N133 | <<locked>> | 88% | 57,188 psi | 90% | 3638 fps | 100% |
| Vihtavuori N135 | <<locked>> | 90% | 55,724 psi | 87% | 3681 fps | 100% |
| Vihtavuori N140 | <<locked>> | 90% | 56,840 psi | 89% | 3688 fps | 100% |
| Vihtavuori N150 | <<locked>> | 96% | 57,493 psi | 90% | 3711 fps | 99.9% |
| Vihtavuori N160 | <<locked>> | 98% | 55,027 psi | 86% | 3720 fps | 97.9% |
| Vihtavuori N530 | <<locked>> | 86% | 56,405 psi | 88% | 3717 fps | 99.7% |
| Vihtavuori N540 | <<locked>> | 90% | 55,434 psi | 87% | 3678 fps | 100% |
| Vihtavuori N550 | <<locked>> | 98% | 54,317 psi | 85% | 3720 fps | 97.7% |
| Winchester 6.5 StaBALL | <<locked>> | 98% | 56,202 psi | 88% | 3698 fps | 99.7% |
| Winchester 748 | <<locked>> | 86% | 56,724 psi | 89% | 3776 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 88% | 55,448 psi | 87% | 3730 fps | 99.4% |
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% | 47,558 psi | 75% | 3497 fps | 100% |
| Accurate 2460 | <<locked>> | 80% | 52,634 psi | 82% | 3625 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 40,379 psi | 63% | 3376 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 47,442 psi | 74% | 3556 fps | 99.6% |
| Accurate 4064 | <<locked>> | 80% | 38,101 psi | 60% | 3343 fps | 98.8% |
| Accurate 4350 | <<locked>> | 92% | 42,917 psi | 67% | 3501 fps | 95% |
| ADI AR 2206H | <<locked>> | 80% | 43,918 psi | 69% | 3491 fps | 96.7% |
| ADI AR 2208 | <<locked>> | 84% | 42,351 psi | 66% | 3425 fps | 95.5% |
| ADI Benchmark 8208 | <<locked>> | 80% | 45,934 psi | 72% | 3514 fps | 98.4% |
| Alliant AR-Comp | <<locked>> | 80% | 45,977 psi | 72% | 3530 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 80% | 53,650 psi | 84% | 3789 fps | 99.1% |
| Alliant Power Pro 2000-MR | 40.7 gr | 82% | 42,931 psi | 67% | 3570 fps | 95.3% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 36,840 psi | 58% | 3310 fps | 95.4% |
| Alliant Reloder-10x | <<locked>> | 80% | 53,272 psi | 83% | 3632 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 82% | 42,264 psi | 66% | 3465 fps | 95.7% |
| Alliant Reloder-16 | <<locked>> | 94% | 45,005 psi | 71% | 3589 fps | 95.9% |
| Alliant Reloder-17 | 42 gr | 86% | 39,320 psi | 62% | 3461 fps | 95.8% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 43,279 psi | 68% | 3474 fps | 95.4% |
| Bofors RP3 | <<locked>> | 80% | 36,535 psi | 57% | 3307 fps | 95.5% |
| Hodgdon Benchmark | <<locked>> | 80% | 47,558 psi | 75% | 3514 fps | 99.1% |
| Hodgdon BL-C2 | <<locked>> | 80% | 45,005 psi | 71% | 3524 fps | 98.7% |
| Hodgdon CFE223 | <<locked>> | 80% | 49,893 psi | 78% | 3707 fps | 97.6% |
| Hodgdon H322 | <<locked>> | 80% | 52,344 psi | 82% | 3661 fps | 100% |
| Hodgdon H335 | <<locked>> | 80% | 53,766 psi | 84% | 3681 fps | 100% |
| Hodgdon H380 | <<locked>> | 86% | 46,180 psi | 72% | 3533 fps | 95.4% |
| Hodgdon H4895 | <<locked>> | 80% | 44,280 psi | 69% | 3507 fps | 97.4% |
| Hodgdon Hybrid 100V | <<locked>> | 92% | 38,798 psi | 61% | 3373 fps | 95.8% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 40,205 psi | 63% | 3445 fps | 96.7% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,063 psi | 41% | 2192 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 42,583 psi | 67% | 3448 fps | 96.9% |
| IMR 3031 | <<locked>> | 80% | 43,540 psi | 68% | 3520 fps | 100% |
| IMR 4064 | <<locked>> | 82% | 41,640 psi | 65% | 3402 fps | 95.6% |
| IMR 4198 | <<locked>> | 80% | 52,881 psi | 83% | 3593 fps | 100% |
| IMR 4831 | <<locked>> | 94% | 43,874 psi | 69% | 3504 fps | 95.5% |
| IMR 4895 | <<locked>> | 80% | 40,582 psi | 64% | 3435 fps | 95.8% |
| IMR 8208 XBR | <<locked>> | 80% | 45,934 psi | 72% | 3514 fps | 98.4% |
| Lovex D073.5 | <<locked>> | 80% | 52,402 psi | 82% | 3629 fps | 99.7% |
| Lovex D073.6 | <<locked>> | 80% | 43,004 psi | 67% | 3465 fps | 99% |
| Lovex S060 | <<locked>> | 80% | 43,961 psi | 69% | 3425 fps | 96.9% |
| Lovex S062 | <<locked>> | 80% | 39,044 psi | 61% | 3346 fps | 96.7% |
| Lovex S065 | <<locked>> | 94% | 50,299 psi | 79% | 3589 fps | 95.7% |
| Norma 201 | <<locked>> | 80% | 42,989 psi | 67% | 3442 fps | 97.8% |
| Norma 202 | <<locked>> | 80% | 43,265 psi | 68% | 3458 fps | 99.5% |
| Norma 203B | <<locked>> | 80% | 39,030 psi | 61% | 3376 fps | 95.2% |
| Norma URP | <<locked>> | 94% | 45,571 psi | 71% | 3566 fps | 95.8% |
| Ramshot Big Game | <<locked>> | 82% | 41,539 psi | 65% | 3455 fps | 95.9% |
| Ramshot Hunter | <<locked>> | 98% | 51,634 psi | 81% | 3694 fps | 95.6% |
| Ramshot TAC | <<locked>> | 82% | 49,429 psi | 77% | 3570 fps | 95.6% |
| Ramshot Wild Boar | <<locked>> | 80% | 45,498 psi | 71% | 3524 fps | 97.1% |
| Ramshot X-Terminator | <<locked>> | 80% | 49,879 psi | 78% | 3573 fps | 98% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,223 psi | 41% | 2238 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 51,532 psi | 81% | 3632 fps | 99.8% |
| ReloadSwiss RS 50 | <<locked>> | 90% | 53,098 psi | 83% | 3648 fps | 95.5% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 41,524 psi | 65% | 3514 fps | 95.2% |
| ReloadSwiss RS 60 | 39.1 gr | 80% | 34,026 psi | 53% | 3317 fps | 96.2% |
| ReloadSwiss RS 62 | <<locked>> | 94% | 46,006 psi | 72% | 3589 fps | 95.7% |
| ReloadSwiss RS 70 | <<locked>> | 94% | 46,195 psi | 72% | 3609 fps | 95% |
| Rottweil R 901 | <<locked>> | 80% | 46,644 psi | 73% | 3514 fps | 99.7% |
| Rottweil R 902 | <<locked>> | 80% | 40,654 psi | 64% | 3373 fps | 97.2% |
| Rottweil R 903 | <<locked>> | 82% | 36,666 psi | 57% | 3304 fps | 95.2% |
| Shooters World Long Rifle | <<locked>> | 94% | 50,299 psi | 79% | 3589 fps | 95.7% |
| Shooters World Match Rifle | <<locked>> | 80% | 43,004 psi | 67% | 3465 fps | 99% |
| Shooters World Precision | <<locked>> | 80% | 39,044 psi | 61% | 3346 fps | 96.7% |
| SNPE Vectan SP 11 | <<locked>> | 84% | 40,567 psi | 64% | 3435 fps | 95.6% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 54,128 psi | 85% | 3665 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 82% | 47,674 psi | 75% | 3537 fps | 95.7% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 42,511 psi | 67% | 3445 fps | 96.4% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 44,295 psi | 69% | 3406 fps | 99.6% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 36,811 psi | 58% | 3219 fps | 99.1% |
| Somchem S321 | <<locked>> | 80% | 50,009 psi | 78% | 3612 fps | 99.2% |
| Somchem S335 | <<locked>> | 80% | 43,976 psi | 69% | 3406 fps | 99.9% |
| Somchem S341 | <<locked>> | 80% | 44,034 psi | 69% | 3461 fps | 96.7% |
| Somchem S355 | <<locked>> | 82% | 37,565 psi | 59% | 3317 fps | 95.2% |
| Somchem S365 | <<locked>> | 88% | 33,330 psi | 52% | 3274 fps | 95% |
| Vihtavuori N130 | <<locked>> | 80% | 50,009 psi | 78% | 3510 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 44,570 psi | 70% | 3409 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 40,161 psi | 63% | 3376 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 40,944 psi | 64% | 3373 fps | 99.4% |
| Vihtavuori N150 | <<locked>> | 80% | 33,460 psi | 52% | 3169 fps | 95.3% |
| Vihtavuori N160 | <<locked>> | 92% | 44,802 psi | 70% | 3507 fps | 95.5% |
| Vihtavuori N530 | <<locked>> | 80% | 46,122 psi | 72% | 3510 fps | 98.5% |
| Vihtavuori N540 | <<locked>> | 80% | 39,624 psi | 62% | 3343 fps | 98.8% |
| Vihtavuori N550 | <<locked>> | 92% | 44,179 psi | 69% | 3501 fps | 95.1% |
| Winchester 6.5 StaBALL | <<locked>> | 86% | 36,753 psi | 58% | 3258 fps | 95.2% |
| Winchester 748 | <<locked>> | 80% | 45,658 psi | 72% | 3553 fps | 99% |
| Winchester StaBALL Match | <<locked>> | 80% | 42,032 psi | 66% | 3442 fps | 96.9% |
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 86 powders for .223 WSSM loaded with the .224 | 52gr | Sierra MatchKing. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 3,901 fps; across all powders the maximum-charge window runs from 2,434 fps to 3,901 fps. Accurate 4350 gives the best case fill at 100 %, and 86 of the 86 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (440 MPa), the top charges use 55–90 %, leaving at least 10 % headroom. The 52.0 gr projectile in 0.224" calls for a 1:10.5 twist; slower twists will usually not stabilise this weight. Accurate 4350, Alliant Reloder-16, Hodgdon Hybrid 100V 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 .223 WSSM with the .224 | 52gr | Sierra MatchKing 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.