Load Specifications
Load data in caliber .223 WSSM with .224 | 75gr | Swift Scirocco bullet and 92 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 70, Alliant Reloder-26 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 2495 | <<locked>> | 82% | 55,143 psi | 86% | 3136 fps | 100% |
| Accurate 2700 | <<locked>> | 84% | 56,391 psi | 88% | 3199 fps | 98.3% |
| Accurate 3100ᴾ | <<locked>> | 100% | 55,042 psi | 86% | 3245 fps | 99.3% |
| Accurate 4064 | <<locked>> | 84% | 55,608 psi | 87% | 3192 fps | 100% |
| Accurate 4350 | <<locked>> | 92% | 56,768 psi | 89% | 3304 fps | 100% |
| Accurate High Country | <<locked>> | 98% | 56,101 psi | 88% | 3396 fps | 96.8% |
| ADI AR 2208 | <<locked>> | 86% | 55,608 psi | 87% | 3225 fps | 100% |
| ADI AR 2209 | <<locked>> | 96% | 54,114 psi | 85% | 3284 fps | 97.2% |
| ADI AR 2213ᴾ | <<locked>> | 100% | 55,738 psi | 87% | 3337 fps | 96.2% |
| Alliant Power Pro 2000-MR | <<locked>> | 82% | 55,129 psi | 86% | 3360 fps | 100% |
| Alliant Power Pro Varmint | <<locked>> | 96% | 54,491 psi | 85% | 3284 fps | 97.3% |
| Alliant Reloder- TS 15.5 | <<locked>> | 86% | 56,463 psi | 88% | 3251 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 84% | 56,927 psi | 89% | 3281 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 94% | 57,334 psi | 90% | 3369 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 88% | 55,259 psi | 87% | 3337 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 98% | 57,319 psi | 90% | 3337 fps | 97.9% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 54,694 psi | 86% | 3333 fps | 97.6% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 51,532 psi | 81% | 3264 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 44,730 psi | 70% | 3166 fps | 98.5% |
| Alliant Reloder-26 | <<locked>> | 98% | 55,492 psi | 87% | 3412 fps | 100% |
| Bofors RP15ᴾ | <<locked>> | 100% | 50,024 psi | 78% | 3241 fps | 96.4% |
| Bofors RP3 | <<locked>> | 86% | 57,624 psi | 90% | 3271 fps | 100% |
| Bofors RP5ᴾ | <<locked>> | 100% | 54,694 psi | 86% | 3333 fps | 97.6% |
| Bofors RP7 | <<locked>> | 90% | 57,101 psi | 89% | 3255 fps | 98.6% |
| Hodgdon H380 | <<locked>> | 84% | 54,331 psi | 85% | 3228 fps | 99.7% |
| Hodgdon H414 | <<locked>> | 90% | 55,303 psi | 87% | 3301 fps | 98.8% |
| Hodgdon H4350 | <<locked>> | 88% | 54,766 psi | 86% | 3251 fps | 97.6% |
| Hodgdon Hybrid 100V | <<locked>> | 94% | 54,027 psi | 85% | 3225 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 82% | 55,405 psi | 87% | 3271 fps | 100% |
| Hodgdon Superformance | <<locked>> | 90% | 55,796 psi | 87% | 3337 fps | 98.7% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,347 psi | 57% | 2070 fps | 100% |
| Hodgdon VARGET | <<locked>> | 82% | 55,956 psi | 88% | 3232 fps | 100% |
| IMR 4064 | <<locked>> | 84% | 54,984 psi | 86% | 3209 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 84% | 57,682 psi | 90% | 3245 fps | 99% |
| IMR 4350 | <<locked>> | 92% | 54,491 psi | 85% | 3225 fps | 98.2% |
| IMR 4451 Enduron | <<locked>> | 88% | 54,969 psi | 86% | 3219 fps | 98.6% |
| IMR 4831 | <<locked>> | 94% | 57,392 psi | 90% | 3301 fps | 100% |
| IMR 4895 | <<locked>> | 82% | 54,824 psi | 86% | 3255 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 98% | 57,130 psi | 90% | 3264 fps | 96.1% |
| Lovex S060 | <<locked>> | 82% | 56,434 psi | 88% | 3192 fps | 100% |
| Lovex S062 | <<locked>> | 84% | 55,303 psi | 87% | 3202 fps | 100% |
| Lovex S065 | <<locked>> | 90% | 55,114 psi | 86% | 3219 fps | 99.5% |
| Lovex S070 | <<locked>> | 92% | 56,681 psi | 89% | 3264 fps | 99% |
| Lovex S071ᴾ | <<locked>> | 100% | 45,484 psi | 71% | 3071 fps | 97.8% |
| Norma 201 | <<locked>> | 82% | 56,492 psi | 89% | 3215 fps | 100% |
| Norma 202 | <<locked>> | 82% | 57,217 psi | 90% | 3212 fps | 100% |
| Norma 203B | <<locked>> | 84% | 56,231 psi | 88% | 3264 fps | 100% |
| Norma 204 | <<locked>> | 92% | 55,361 psi | 87% | 3278 fps | 97.3% |
| Norma MRP | <<locked>> | 98% | 54,201 psi | 85% | 3360 fps | 98.7% |
| Norma URP | <<locked>> | 92% | 55,506 psi | 87% | 3291 fps | 99.9% |
| Ramshot Big Game | <<locked>> | 84% | 57,246 psi | 90% | 3291 fps | 100% |
| Ramshot Grandᴾ | <<locked>> | 100% | 53,534 psi | 84% | 3320 fps | 96.2% |
| Ramshot Hunter | <<locked>> | 92% | 54,302 psi | 85% | 3284 fps | 99.2% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 47,776 psi | 75% | 3173 fps | 96.7% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,999 psi | 58% | 2119 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 84% | 54,215 psi | 85% | 3205 fps | 99% |
| ReloadSwiss RS 60 | <<locked>> | 86% | 54,491 psi | 85% | 3330 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 92% | 56,695 psi | 89% | 3327 fps | 99.9% |
| ReloadSwiss RS 70 | <<locked>> | 92% | 55,434 psi | 87% | 3360 fps | 99.9% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 44,164 psi | 69% | 3186 fps | 96.6% |
| Rottweil R 902 | <<locked>> | 84% | 57,377 psi | 90% | 3219 fps | 100% |
| Rottweil R 903 | <<locked>> | 86% | 54,259 psi | 85% | 3212 fps | 100% |
| Rottweil R 904 | <<locked>> | 96% | 55,724 psi | 87% | 3251 fps | 96.4% |
| Rottweil R 905 | <<locked>> | 98% | 56,304 psi | 88% | 3314 fps | 97.8% |
| Rottweil R 907 | <<locked>> | 90% | 57,101 psi | 89% | 3255 fps | 98.6% |
| Shooters World Long Rifle | <<locked>> | 90% | 55,114 psi | 86% | 3219 fps | 99.5% |
| Shooters World Precision | <<locked>> | 84% | 55,303 psi | 87% | 3202 fps | 100% |
| Shooters World SW4350 | <<locked>> | 92% | 56,681 psi | 89% | 3264 fps | 99% |
| SNPE Vectan SP 11 | <<locked>> | 86% | 55,840 psi | 88% | 3274 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 82% | 56,637 psi | 89% | 3248 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 82% | 57,261 psi | 90% | 3143 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 86% | 55,201 psi | 87% | 3094 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 90% | 54,897 psi | 86% | 3163 fps | 98.7% |
| SNPE Vectan Tubal 8000 | <<locked>> | 98% | 55,811 psi | 87% | 3310 fps | 97.7% |
| Somchem S335 | <<locked>> | 82% | 56,927 psi | 89% | 3133 fps | 100% |
| Somchem S355 | <<locked>> | 88% | 57,435 psi | 90% | 3261 fps | 100% |
| Somchem S365 | <<locked>> | 94% | 54,795 psi | 86% | 3291 fps | 100% |
| Somchem S385 | <<locked>> | 98% | 57,348 psi | 90% | 3294 fps | 98.6% |
| Vihtavuori N133 | <<locked>> | 82% | 57,740 psi | 90% | 3120 fps | 100% |
| Vihtavuori N135 | <<locked>> | 82% | 54,114 psi | 85% | 3123 fps | 100% |
| Vihtavuori N140 | <<locked>> | 82% | 54,708 psi | 86% | 3140 fps | 100% |
| Vihtavuori N150 | <<locked>> | 88% | 55,521 psi | 87% | 3179 fps | 100% |
| Vihtavuori N160 | <<locked>> | 92% | 57,450 psi | 90% | 3281 fps | 100% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 52,881 psi | 83% | 3199 fps | 97.6% |
| Vihtavuori N540 | <<locked>> | 84% | 56,304 psi | 88% | 3182 fps | 100% |
| Vihtavuori N550 | <<locked>> | 92% | 56,608 psi | 89% | 3284 fps | 99.9% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 57,682 psi | 90% | 3353 fps | 100% |
| Winchester 6.5 StaBALL | <<locked>> | 92% | 57,450 psi | 90% | 3241 fps | 100% |
| Winchester 760 | <<locked>> | 90% | 55,303 psi | 87% | 3301 fps | 98.8% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 46,833 psi | 73% | 3323 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 82% | 56,840 psi | 89% | 3255 fps | 100% |
| Winchester Supreme 780ᴾ | <<locked>> | 100% | 57,493 psi | 90% | 3284 fps | 97.8% |
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 2495 | <<locked>> | 80% | 52,011 psi | 82% | 3087 fps | 100% |
| Accurate 2700 | <<locked>> | 80% | 49,414 psi | 77% | 3074 fps | 97% |
| Accurate 3100 | <<locked>> | 88% | 36,260 psi | 57% | 2861 fps | 95.1% |
| Accurate 4064 | <<locked>> | 80% | 49,226 psi | 77% | 3091 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 37,304 psi | 58% | 2913 fps | 97.2% |
| Accurate High Country | <<locked>> | 96% | 52,460 psi | 82% | 3327 fps | 95.9% |
| ADI AR 2208 | <<locked>> | 80% | 46,325 psi | 73% | 3054 fps | 99.4% |
| ADI AR 2209 | <<locked>> | 92% | 47,471 psi | 74% | 3153 fps | 95.6% |
| ADI AR 2213 | <<locked>> | 98% | 52,112 psi | 82% | 3268 fps | 95.3% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 51,198 psi | 80% | 3287 fps | 99.9% |
| Alliant Power Pro Varmint | <<locked>> | 92% | 47,500 psi | 74% | 3150 fps | 95.7% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 46,586 psi | 73% | 3077 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 49,806 psi | 78% | 3156 fps | 99.8% |
| Alliant Reloder-16 | <<locked>> | 80% | 36,448 psi | 57% | 2930 fps | 97.2% |
| Alliant Reloder-17 | 38.3 gr | 80% | 41,292 psi | 65% | 3071 fps | 99.6% |
| Alliant Reloder-19 | <<locked>> | 92% | 46,920 psi | 74% | 3140 fps | 95.6% |
| Alliant Reloder-22 | <<locked>> | 94% | 44,483 psi | 70% | 3130 fps | 95% |
| Alliant Reloder-23 | <<locked>> | 82% | 28,442 psi | 45% | 2700 fps | 95.3% |
| Alliant Reloder-25 | <<locked>> | 94% | 36,898 psi | 58% | 2966 fps | 95.9% |
| Alliant Reloder-26 | 41.3 gr | 84% | 33,098 psi | 52% | 2900 fps | 95.1% |
| Bofors RP15 | <<locked>> | 98% | 46,818 psi | 73% | 3176 fps | 95.5% |
| Bofors RP3 | <<locked>> | 80% | 47,021 psi | 74% | 3091 fps | 100% |
| Bofors RP5 | <<locked>> | 94% | 44,483 psi | 70% | 3130 fps | 95% |
| Bofors RP7 | <<locked>> | 80% | 41,524 psi | 65% | 2943 fps | 95% |
| Hodgdon H380 | <<locked>> | 80% | 47,384 psi | 74% | 3100 fps | 99% |
| Hodgdon H414 | <<locked>> | 80% | 39,392 psi | 62% | 2969 fps | 95% |
| Hodgdon H4350 | <<locked>> | 82% | 45,295 psi | 71% | 3064 fps | 95.4% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 34,055 psi | 53% | 2815 fps | 97.9% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 51,982 psi | 81% | 3212 fps | 100% |
| Hodgdon Superformance | <<locked>> | 82% | 41,307 psi | 65% | 3041 fps | 95.2% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,079 psi | 42% | 1854 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 52,533 psi | 82% | 3176 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 48,704 psi | 76% | 3094 fps | 99.8% |
| IMR 4166 Enduron | <<locked>> | 80% | 50,908 psi | 80% | 3123 fps | 98% |
| IMR 4350 | <<locked>> | 84% | 42,337 psi | 66% | 2982 fps | 95.4% |
| IMR 4451 Enduron | <<locked>> | 80% | 42,830 psi | 67% | 2976 fps | 96% |
| IMR 4831 | <<locked>> | 80% | 35,955 psi | 56% | 2864 fps | 96.8% |
| IMR 4895 | <<locked>> | 80% | 51,082 psi | 80% | 3186 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 96% | 53,650 psi | 84% | 3202 fps | 95.3% |
| Lovex S060 | <<locked>> | 80% | 53,417 psi | 84% | 3146 fps | 100% |
| Lovex S062 | <<locked>> | 80% | 49,081 psi | 77% | 3097 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 40,524 psi | 64% | 2923 fps | 96.8% |
| Lovex S070 | <<locked>> | 82% | 41,365 psi | 65% | 2959 fps | 95.9% |
| Lovex S071 | <<locked>> | 94% | 37,391 psi | 59% | 2890 fps | 95.5% |
| Norma 201 | <<locked>> | 80% | 53,403 psi | 84% | 3166 fps | 100% |
| Norma 202 | <<locked>> | 80% | 53,708 psi | 84% | 3156 fps | 100% |
| Norma 203B | <<locked>> | 80% | 49,153 psi | 77% | 3140 fps | 99.9% |
| Norma 204 | <<locked>> | 88% | 48,167 psi | 75% | 3140 fps | 95.6% |
| Norma MRP | <<locked>> | 90% | 40,843 psi | 64% | 3077 fps | 95.3% |
| Norma URP | <<locked>> | 80% | 37,072 psi | 58% | 2907 fps | 97% |
| Ramshot Big Game | <<locked>> | 80% | 49,705 psi | 78% | 3163 fps | 99.9% |
| Ramshot Grand | <<locked>> | 98% | 49,574 psi | 78% | 3238 fps | 95.1% |
| Ramshot Hunter | <<locked>> | 82% | 38,740 psi | 61% | 2959 fps | 95.8% |
| Ramshot Magnum | <<locked>> | 98% | 44,193 psi | 69% | 3097 fps | 95.7% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,731 psi | 43% | 1903 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 47,500 psi | 74% | 3081 fps | 97.9% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 43,888 psi | 69% | 3136 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 37,231 psi | 58% | 2933 fps | 96.8% |
| ReloadSwiss RS 70 | 38.9 gr | 80% | 36,114 psi | 57% | 2933 fps | 95.9% |
| ReloadSwiss RS 76 | <<locked>> | 98% | 41,017 psi | 64% | 3104 fps | 95.3% |
| Rottweil R 902 | <<locked>> | 80% | 50,560 psi | 79% | 3107 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 44,193 psi | 69% | 3028 fps | 99.8% |
| Rottweil R 904 | <<locked>> | 94% | 52,228 psi | 82% | 3189 fps | 95.6% |
| Rottweil R 905 | <<locked>> | 92% | 46,050 psi | 72% | 3120 fps | 95.5% |
| Rottweil R 907 | <<locked>> | 80% | 41,524 psi | 65% | 2943 fps | 95% |
| Shooters World Long Rifle | <<locked>> | 80% | 40,524 psi | 64% | 2923 fps | 96.8% |
| Shooters World Precision | <<locked>> | 80% | 49,081 psi | 77% | 3097 fps | 100% |
| Shooters World SW4350 | <<locked>> | 82% | 41,365 psi | 65% | 2959 fps | 95.9% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 45,426 psi | 71% | 3084 fps | 99.6% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 52,837 psi | 83% | 3182 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 54,056 psi | 85% | 3094 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 45,745 psi | 72% | 2943 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 39,523 psi | 62% | 2854 fps | 95.2% |
| SNPE Vectan Tubal 8000 | <<locked>> | 92% | 45,629 psi | 72% | 3114 fps | 95.3% |
| Somchem S335 | <<locked>> | 80% | 53,925 psi | 85% | 3091 fps | 100% |
| Somchem S355 | <<locked>> | 80% | 44,817 psi | 70% | 3035 fps | 99.8% |
| Somchem S365 | <<locked>> | 80% | 33,547 psi | 53% | 2858 fps | 98.9% |
| Somchem S385 | <<locked>> | 90% | 43,947 psi | 69% | 3041 fps | 95.8% |
| Vihtavuori N133 | <<locked>> | 80% | 54,607 psi | 86% | 3074 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 51,053 psi | 80% | 3074 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 50,966 psi | 80% | 3081 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 42,540 psi | 67% | 2949 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 38,450 psi | 60% | 2910 fps | 97.4% |
| Vihtavuori N165 | <<locked>> | 94% | 43,047 psi | 67% | 3009 fps | 95.1% |
| Vihtavuori N540 | <<locked>> | 80% | 49,342 psi | 77% | 3071 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 38,029 psi | 60% | 2910 fps | 97.1% |
| Vihtavuori N555 | <<locked>> | 82% | 31,444 psi | 49% | 2792 fps | 95.6% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 37,826 psi | 59% | 2881 fps | 99.2% |
| Winchester 760 | <<locked>> | 80% | 39,392 psi | 62% | 2969 fps | 95% |
| Winchester StaBALL HD | <<locked>> | 84% | 26,948 psi | 42% | 2726 fps | 95% |
| Winchester StaBALL Match | <<locked>> | 80% | 52,982 psi | 83% | 3192 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 94% | 46,441 psi | 73% | 3084 fps | 95.4% |
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 92 powders for .223 WSSM loaded with the .224 | 75gr | Swift Scirocco. Alliant Reloder-26 delivers the highest muzzle velocity at 3,412 fps; across all powders the maximum-charge window runs from 2,070 fps to 3,412 fps. Accurate 3100 gives the best case fill at 100 %, and 92 of the 92 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (440 MPa), the top charges use 57–90 %, leaving at least 10 % headroom. The 75.0 gr projectile in 0.224" calls for a 1:8.0 twist; slower twists will usually not stabilise this weight. Accurate 3100, ADI AR 2213, Alliant Reloder-22 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. ReloadSwiss RS 70, Alliant Reloder-26, Alliant Reloder-17 rank at the top here: for .223 WSSM with the .224 | 75gr | Swift Scirocco 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.