Load Specifications
Bullet:.243 | 90gr | SUS-TAC HPPT
Bullet Manufacturer:SUS-TAC
Bullet Weight:90 gr
Bullet Diameter:0.243"
Bullet Length:<<locked>>
Caliber:.243 WSSM load data
Case Length (l3):1.663"
Cartridge Length (C.O.L.):<<locked>>
Case Capacity:53.9 Grains of Water
Primer Size:Large Rifle (LR)
Barrel Length:24"
Max. allowed Pressure:63,817 psi
Recommended Twist Rate:1:8.0
Load data in caliber .243 WSSM with .243 | 90gr | SUS-TAC HPPT bullet and 98 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant Reloder-17, ReloadSwiss RS 60 and Hodgdon H414.
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>> | 84% | 56,768 psi | 89% | 3025 fps | 100% |
| Accurate 2495 | <<locked>> | 88% | 55,767 psi | 87% | 3048 fps | 100% |
| Accurate 2520 | <<locked>> | 84% | 57,580 psi | 90% | 3120 fps | 100% |
| Accurate 2700 | <<locked>> | 88% | 55,056 psi | 86% | 3048 fps | 96.8% |
| Accurate 3100ᴾ | <<locked>> | 100% | 43,018 psi | 67% | 2927 fps | 96% |
| Accurate 4064 | <<locked>> | 90% | 56,014 psi | 88% | 3104 fps | 100% |
| Accurate 4350 | <<locked>> | 98% | 56,347 psi | 88% | 3192 fps | 99.6% |
| ADI AR 2206H | <<locked>> | 86% | 56,086 psi | 88% | 3136 fps | 99.9% |
| ADI AR 2208 | <<locked>> | 92% | 56,942 psi | 89% | 3130 fps | 99.8% |
| ADI Benchmark 8208 | <<locked>> | 84% | 54,882 psi | 86% | 3081 fps | 100% |
| Alliant AR-Comp | <<locked>> | 84% | 55,912 psi | 88% | 3054 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 88% | 56,057 psi | 88% | 3264 fps | 99.9% |
| Alliant Reloder- TS 15.5 | <<locked>> | 92% | 57,493 psi | 90% | 3159 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 88% | 54,447 psi | 85% | 3127 fps | 99.7% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 57,058 psi | 89% | 3251 fps | 99.9% |
| Alliant Reloder-17 | <<locked>> | 94% | 54,708 psi | 86% | 3232 fps | 100% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 41,075 psi | 64% | 2963 fps | 98.9% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 46,137 psi | 72% | 3136 fps | 98.3% |
| Baschieri & Pellagri 107 | <<locked>> | 86% | 56,173 psi | 88% | 3150 fps | 99.7% |
| Bofors RP3 | <<locked>> | 90% | 54,592 psi | 86% | 3120 fps | 100% |
| Bofors RP7 | <<locked>> | 94% | 54,331 psi | 85% | 3081 fps | 96.9% |
| Hodgdon Benchmark | <<locked>> | 84% | 56,724 psi | 89% | 3064 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 84% | 54,462 psi | 85% | 3107 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 82% | 56,637 psi | 89% | 3219 fps | 99.9% |
| Hodgdon H380 | <<locked>> | 90% | 55,332 psi | 87% | 3130 fps | 99.3% |
| Hodgdon H414 | <<locked>> | 96% | 55,288 psi | 87% | 3186 fps | 97.8% |
| Hodgdon H4350 | <<locked>> | 94% | 55,869 psi | 88% | 3146 fps | 96.5% |
| Hodgdon H4895 | <<locked>> | 86% | 56,652 psi | 89% | 3146 fps | 100% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 53,345 psi | 84% | 3114 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 88% | 56,405 psi | 88% | 3179 fps | 100% |
| Hodgdon Superformance | <<locked>> | 96% | 56,144 psi | 88% | 3225 fps | 97.6% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,679 psi | 56% | 1936 fps | 100% |
| Hodgdon VARGET | <<locked>> | 88% | 57,711 psi | 90% | 3146 fps | 100% |
| IMR 3031 | <<locked>> | 86% | 56,637 psi | 89% | 3127 fps | 100% |
| IMR 4064 | <<locked>> | 90% | 56,623 psi | 89% | 3114 fps | 99.9% |
| IMR 4166 Enduron | <<locked>> | 88% | 56,666 psi | 89% | 3097 fps | 97.8% |
| IMR 4350 | <<locked>> | 98% | 54,795 psi | 86% | 3107 fps | 97.1% |
| IMR 4451 Enduron | <<locked>> | 94% | 56,304 psi | 88% | 3117 fps | 97.7% |
| IMR 4831ᴾ | <<locked>> | 100% | 56,362 psi | 88% | 3173 fps | 99.7% |
| IMR 4895 | <<locked>> | 88% | 55,854 psi | 88% | 3159 fps | 100% |
| IMR 8208 XBR | <<locked>> | 84% | 54,882 psi | 86% | 3081 fps | 100% |
| Lovex D073.6 | <<locked>> | 86% | 55,840 psi | 88% | 3104 fps | 100% |
| Lovex S060 | <<locked>> | 86% | 55,521 psi | 87% | 3058 fps | 99.9% |
| Lovex S062 | <<locked>> | 90% | 56,594 psi | 89% | 3110 fps | 100% |
| Lovex S065 | <<locked>> | 96% | 55,970 psi | 88% | 3114 fps | 98.8% |
| Lovex S070 | <<locked>> | 98% | 56,956 psi | 89% | 3150 fps | 98.1% |
| Norma 201 | <<locked>> | 86% | 54,868 psi | 86% | 3077 fps | 100% |
| Norma 202 | <<locked>> | 86% | 55,448 psi | 87% | 3077 fps | 100% |
| Norma 203B | <<locked>> | 90% | 57,319 psi | 90% | 3169 fps | 100% |
| Norma 204 | <<locked>> | 98% | 55,811 psi | 87% | 3163 fps | 95.9% |
| Norma URP | <<locked>> | 98% | 55,013 psi | 86% | 3176 fps | 99.5% |
| Ramshot Big Game | <<locked>> | 88% | 54,172 psi | 85% | 3133 fps | 99.8% |
| Ramshot Hunterᴾ | <<locked>> | 100% | 57,740 psi | 90% | 3232 fps | 98.8% |
| Ramshot TAC | <<locked>> | 84% | 55,245 psi | 87% | 3097 fps | 98.8% |
| Ramshot Wild Boar | <<locked>> | 84% | 54,810 psi | 86% | 3117 fps | 99.9% |
| Ramshot X-Terminator | <<locked>> | 82% | 55,898 psi | 88% | 3084 fps | 99.9% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,216 psi | 57% | 1985 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 82% | 57,667 psi | 90% | 3110 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 90% | 55,463 psi | 87% | 3107 fps | 98.2% |
| ReloadSwiss RS 52 | <<locked>> | 86% | 54,708 psi | 86% | 3196 fps | 99.7% |
| ReloadSwiss RS 60 | <<locked>> | 92% | 54,476 psi | 85% | 3232 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 98% | 55,854 psi | 88% | 3212 fps | 99.5% |
| ReloadSwiss RS 70 | <<locked>> | 98% | 55,477 psi | 87% | 3245 fps | 99.4% |
| Rottweil R 901 | <<locked>> | 84% | 55,753 psi | 87% | 3061 fps | 100% |
| Rottweil R 902 | <<locked>> | 88% | 55,390 psi | 87% | 3074 fps | 100% |
| Rottweil R 903 | <<locked>> | 92% | 54,433 psi | 85% | 3110 fps | 100% |
| Rottweil R 907 | <<locked>> | 94% | 54,331 psi | 85% | 3081 fps | 96.9% |
| Shooters World Long Rifle | <<locked>> | 96% | 55,970 psi | 88% | 3114 fps | 98.8% |
| Shooters World Match Rifle | <<locked>> | 86% | 55,840 psi | 88% | 3104 fps | 100% |
| Shooters World Precision | <<locked>> | 90% | 56,594 psi | 89% | 3110 fps | 100% |
| Shooters World SW4350 | <<locked>> | 98% | 56,956 psi | 89% | 3150 fps | 98.1% |
| SNPE Vectan SP 11 | <<locked>> | 92% | 55,985 psi | 88% | 3169 fps | 99.9% |
| SNPE Vectan SP 7 | <<locked>> | 86% | 57,406 psi | 90% | 3133 fps | 99.4% |
| SNPE Vectan SP 9 | <<locked>> | 86% | 54,433 psi | 85% | 3100 fps | 99.9% |
| SNPE Vectan Tubal 3000 | <<locked>> | 86% | 55,927 psi | 88% | 3009 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 92% | 56,405 psi | 88% | 3005 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 96% | 56,347 psi | 88% | 3061 fps | 97.8% |
| Somchem S321 | <<locked>> | 82% | 56,376 psi | 88% | 3117 fps | 100% |
| Somchem S335 | <<locked>> | 86% | 55,666 psi | 87% | 3009 fps | 100% |
| Somchem S341 | <<locked>> | 86% | 57,261 psi | 90% | 3127 fps | 100% |
| Somchem S355 | <<locked>> | 92% | 54,824 psi | 86% | 3110 fps | 100% |
| Somchem S365ᴾ | <<locked>> | 100% | 53,098 psi | 83% | 3176 fps | 100% |
| Somchem S385ᴾ | <<locked>> | 100% | 49,284 psi | 77% | 3041 fps | 95.8% |
| Vihtavuori N130 | <<locked>> | 82% | 55,796 psi | 87% | 2972 fps | 100% |
| Vihtavuori N133 | <<locked>> | 86% | 56,202 psi | 88% | 2992 fps | 100% |
| Vihtavuori N135 | <<locked>> | 88% | 55,187 psi | 86% | 3038 fps | 100% |
| Vihtavuori N140 | <<locked>> | 88% | 56,115 psi | 88% | 3054 fps | 100% |
| Vihtavuori N150 | <<locked>> | 94% | 56,362 psi | 88% | 3087 fps | 100% |
| Vihtavuori N160 | <<locked>> | 96% | 53,998 psi | 85% | 3114 fps | 99.3% |
| Vihtavuori N530 | <<locked>> | 84% | 55,361 psi | 87% | 3081 fps | 100% |
| Vihtavuori N540 | <<locked>> | 90% | 57,711 psi | 90% | 3100 fps | 100% |
| Vihtavuori N550 | <<locked>> | 98% | 56,623 psi | 89% | 3176 fps | 99.5% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 45,339 psi | 71% | 3048 fps | 98.8% |
| Winchester 6.5 StaBALL | <<locked>> | 96% | 54,201 psi | 85% | 3091 fps | 100% |
| Winchester 748 | <<locked>> | 84% | 55,448 psi | 87% | 3130 fps | 100% |
| Winchester 760 | <<locked>> | 96% | 55,288 psi | 87% | 3186 fps | 97.8% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 36,927 psi | 58% | 2963 fps | 98.8% |
| Winchester StaBALL Match | <<locked>> | 86% | 54,273 psi | 85% | 3104 fps | 100% |
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% | 50,082 psi | 78% | 2923 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 43,004 psi | 67% | 2844 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 50,401 psi | 79% | 3009 fps | 100% |
| Accurate 2700 | <<locked>> | 84% | 47,993 psi | 75% | 2923 fps | 95.2% |
| Accurate 3100 | <<locked>> | 98% | 40,393 psi | 63% | 2867 fps | 95.2% |
| Accurate 4064 | <<locked>> | 80% | 40,669 psi | 64% | 2838 fps | 100% |
| Accurate 4350 | <<locked>> | 84% | 34,389 psi | 54% | 2753 fps | 95% |
| ADI AR 2206H | <<locked>> | 80% | 46,456 psi | 73% | 2963 fps | 99.2% |
| ADI AR 2208 | <<locked>> | 80% | 39,262 psi | 62% | 2792 fps | 97.2% |
| ADI Benchmark 8208 | <<locked>> | 80% | 48,544 psi | 76% | 2972 fps | 99.9% |
| Alliant AR-Comp | <<locked>> | 80% | 48,936 psi | 77% | 2953 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 42,482 psi | 67% | 2995 fps | 98% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 39,175 psi | 61% | 2822 fps | 98.6% |
| Alliant Reloder-15 | <<locked>> | 80% | 42,134 psi | 66% | 2890 fps | 98.1% |
| Alliant Reloder-16 | <<locked>> | 84% | 34,592 psi | 54% | 2772 fps | 95.1% |
| Alliant Reloder-17 | 36.8 gr | 80% | 33,939 psi | 53% | 2782 fps | 96.8% |
| Alliant Reloder-23 | <<locked>> | 92% | 32,039 psi | 50% | 2723 fps | 95.8% |
| Alliant Reloder-26 | <<locked>> | 94% | 37,260 psi | 58% | 2923 fps | 95.4% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 45,629 psi | 72% | 2959 fps | 98.3% |
| Bofors RP3 | <<locked>> | 80% | 38,841 psi | 61% | 2822 fps | 98.6% |
| Bofors RP7 | <<locked>> | 90% | 48,022 psi | 75% | 2966 fps | 95.5% |
| Hodgdon Benchmark | <<locked>> | 80% | 49,922 psi | 78% | 2956 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 80% | 47,718 psi | 75% | 2995 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 80% | 52,533 psi | 82% | 3153 fps | 99.6% |
| Hodgdon H380 | <<locked>> | 80% | 39,624 psi | 62% | 2825 fps | 96.2% |
| Hodgdon H414 | 40.5 gr | 90% | 45,194 psi | 71% | 2995 fps | 95.5% |
| Hodgdon H4350 | <<locked>> | 92% | 52,359 psi | 82% | 3084 fps | 95.8% |
| Hodgdon H4895 | <<locked>> | 80% | 46,934 psi | 74% | 2976 fps | 99.5% |
| Hodgdon Hybrid 100V | <<locked>> | 82% | 29,805 psi | 47% | 2602 fps | 95% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 42,830 psi | 67% | 2940 fps | 99.3% |
| Hodgdon Superformance | <<locked>> | 92% | 48,341 psi | 76% | 3081 fps | 95.8% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,440 psi | 41% | 1729 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 45,034 psi | 71% | 2923 fps | 99.3% |
| IMR 3031 | <<locked>> | 80% | 46,688 psi | 73% | 2969 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 41,234 psi | 65% | 2831 fps | 98% |
| IMR 4166 Enduron | <<locked>> | 82% | 46,746 psi | 73% | 2917 fps | 95.8% |
| IMR 4350 | <<locked>> | 94% | 48,472 psi | 76% | 2995 fps | 95.7% |
| IMR 4451 Enduron | <<locked>> | 88% | 46,804 psi | 73% | 2946 fps | 95.7% |
| IMR 4831 | <<locked>> | 86% | 35,795 psi | 56% | 2772 fps | 95.7% |
| IMR 4895 | <<locked>> | 80% | 43,192 psi | 68% | 2927 fps | 98.8% |
| IMR 8208 XBR | <<locked>> | 80% | 48,544 psi | 76% | 2972 fps | 99.9% |
| Lovex D073.6 | <<locked>> | 80% | 45,629 psi | 72% | 2936 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 46,093 psi | 72% | 2890 fps | 99.2% |
| Lovex S062 | <<locked>> | 80% | 41,307 psi | 65% | 2838 fps | 99.3% |
| Lovex S065 | <<locked>> | 86% | 41,089 psi | 64% | 2831 fps | 95.7% |
| Lovex S070 | <<locked>> | 90% | 44,179 psi | 69% | 2917 fps | 95.4% |
| Norma 201 | <<locked>> | 80% | 45,353 psi | 71% | 2910 fps | 99.7% |
| Norma 202 | <<locked>> | 80% | 45,788 psi | 72% | 2917 fps | 100% |
| Norma 203B | <<locked>> | 80% | 41,524 psi | 65% | 2881 fps | 98.4% |
| Norma 204 | <<locked>> | 96% | 52,141 psi | 82% | 3100 fps | 95.1% |
| Norma URP | <<locked>> | 86% | 37,101 psi | 58% | 2818 fps | 95.9% |
| Ramshot Big Game | <<locked>> | 80% | 41,249 psi | 65% | 2894 fps | 98.2% |
| Ramshot Hunter | <<locked>> | 90% | 41,191 psi | 65% | 2917 fps | 95.3% |
| Ramshot TAC | <<locked>> | 80% | 48,385 psi | 76% | 2972 fps | 97.7% |
| Ramshot Wild Boar | <<locked>> | 80% | 48,182 psi | 76% | 2999 fps | 99.4% |
| Ramshot X-Terminator | <<locked>> | 80% | 52,141 psi | 82% | 3018 fps | 99.7% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,716 psi | 42% | 1768 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 54,447 psi | 85% | 3061 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 82% | 42,844 psi | 67% | 2867 fps | 95.4% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 44,469 psi | 70% | 3005 fps | 98.5% |
| ReloadSwiss RS 60 | 36.8 gr | 80% | 36,129 psi | 57% | 2858 fps | 99.5% |
| ReloadSwiss RS 62 | <<locked>> | 86% | 36,695 psi | 57% | 2835 fps | 95.5% |
| ReloadSwiss RS 70 | <<locked>> | 88% | 39,218 psi | 61% | 2907 fps | 95.6% |
| Rottweil R 901 | <<locked>> | 80% | 49,327 psi | 77% | 2956 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 43,178 psi | 68% | 2858 fps | 99.5% |
| Rottweil R 903 | <<locked>> | 80% | 36,680 psi | 57% | 2766 fps | 97.9% |
| Rottweil R 907 | <<locked>> | 90% | 48,022 psi | 75% | 2966 fps | 95.5% |
| Shooters World Long Rifle | <<locked>> | 86% | 41,089 psi | 64% | 2831 fps | 95.7% |
| Shooters World Match Rifle | <<locked>> | 80% | 45,629 psi | 72% | 2936 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 41,307 psi | 65% | 2838 fps | 99.3% |
| Shooters World SW4350 | <<locked>> | 90% | 44,179 psi | 69% | 2917 fps | 95.4% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 37,550 psi | 59% | 2815 fps | 97.4% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 46,804 psi | 73% | 2946 fps | 97.9% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 44,831 psi | 70% | 2927 fps | 99% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 46,760 psi | 73% | 2861 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 39,030 psi | 61% | 2717 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 90% | 46,035 psi | 72% | 2884 fps | 95.7% |
| Somchem S321 | <<locked>> | 80% | 52,460 psi | 82% | 3054 fps | 100% |
| Somchem S335 | <<locked>> | 80% | 46,267 psi | 73% | 2858 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 46,456 psi | 73% | 2943 fps | 99.2% |
| Somchem S355 | <<locked>> | 80% | 37,362 psi | 59% | 2769 fps | 97.9% |
| Somchem S365 | <<locked>> | 80% | 27,282 psi | 43% | 2579 fps | 95.3% |
| Somchem S385 | <<locked>> | 98% | 46,064 psi | 72% | 2979 fps | 95% |
| Vihtavuori N130 | <<locked>> | 80% | 52,649 psi | 83% | 2927 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 47,108 psi | 74% | 2854 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 42,917 psi | 67% | 2841 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 43,381 psi | 68% | 2848 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 35,621 psi | 56% | 2703 fps | 98.6% |
| Vihtavuori N160 | <<locked>> | 84% | 36,143 psi | 57% | 2759 fps | 95.4% |
| Vihtavuori N530 | <<locked>> | 80% | 48,443 psi | 76% | 2963 fps | 99.9% |
| Vihtavuori N540 | <<locked>> | 80% | 41,727 psi | 65% | 2831 fps | 100% |
| Vihtavuori N550 | <<locked>> | 84% | 35,636 psi | 56% | 2756 fps | 95% |
| Vihtavuori N555 | <<locked>> | 90% | 32,460 psi | 51% | 2746 fps | 95% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 31,473 psi | 49% | 2612 fps | 96% |
| Winchester 748 | <<locked>> | 80% | 48,501 psi | 76% | 3015 fps | 100% |
| Winchester 760 | <<locked>> | 90% | 45,194 psi | 71% | 2995 fps | 95.5% |
| Winchester StaBALL HD | <<locked>> | 94% | 30,124 psi | 47% | 2740 fps | 95.3% |
| Winchester StaBALL Match | <<locked>> | 80% | 44,556 psi | 70% | 2933 fps | 99.3% |
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 98 powders for .243 WSSM loaded with the .243 | 90gr | SUS-TAC HPPT. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 3,264 fps; across all powders the maximum-charge window runs from 1,936 fps to 3,264 fps. Accurate 3100 gives the best case fill at 100 %, and 98 of the 98 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (440 MPa), the top charges use 56–90 %, leaving at least 10 % headroom. The 90.0 gr projectile in 0.243" calls for a 1:8.0 twist; slower twists will usually not stabilise this weight. Accurate 3100, Alliant Reloder-16, Alliant Reloder-23 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 Reloder-17, ReloadSwiss RS 60, Hodgdon H414 rank at the top here: for .243 WSSM with the .243 | 90gr | SUS-TAC HPPT 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.