
Load Specifications
Load data in caliber .240 Weath. Mag. with .243 | 85gr | Lehigh Defense Controlled Chaos bullet and 93 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 60, Alliant Reloder-16 and ReloadSwiss RS 70.
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>> | 84% | 56,231 psi | 88% | 3182 fps | 100% |
| Accurate 2700 | <<locked>> | 84% | 54,128 psi | 85% | 3179 fps | 97.2% |
| Accurate 3100ᴾ | <<locked>> | 100% | 51,924 psi | 81% | 3212 fps | 98.4% |
| Accurate 4064 | <<locked>> | 86% | 56,768 psi | 89% | 3241 fps | 100% |
| Accurate 4350 | <<locked>> | 94% | 57,740 psi | 90% | 3346 fps | 99.9% |
| ADI AR 2206H | <<locked>> | 82% | 55,840 psi | 88% | 3271 fps | 100% |
| ADI AR 2208 | <<locked>> | 88% | 57,087 psi | 89% | 3274 fps | 99.9% |
| ADI AR 2209 | <<locked>> | 98% | 54,984 psi | 86% | 3317 fps | 96.6% |
| Alliant Power Pro 2000-MR | <<locked>> | 84% | 56,289 psi | 88% | 3406 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 86% | 54,070 psi | 85% | 3238 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 84% | 54,389 psi | 85% | 3261 fps | 99.9% |
| Alliant Reloder-16 | <<locked>> | 94% | 54,607 psi | 86% | 3346 fps | 99.9% |
| Alliant Reloder-17 | <<locked>> | 90% | 55,970 psi | 88% | 3376 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 98% | 54,288 psi | 85% | 3301 fps | 96.5% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 51,387 psi | 81% | 3287 fps | 96% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 48,457 psi | 76% | 3232 fps | 99.9% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 42,482 psi | 67% | 3123 fps | 97.1% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 56,057 psi | 88% | 3445 fps | 99.9% |
| Baschieri & Pellagri 107 | <<locked>> | 82% | 55,956 psi | 88% | 3284 fps | 99.8% |
| Bofors RP3 | <<locked>> | 86% | 55,129 psi | 86% | 3258 fps | 100% |
| Bofors RP5ᴾ | <<locked>> | 100% | 51,387 psi | 81% | 3287 fps | 96% |
| Bofors RP7 | <<locked>> | 90% | 54,549 psi | 85% | 3228 fps | 97.5% |
| Hodgdon H380 | <<locked>> | 86% | 55,680 psi | 87% | 3274 fps | 99.5% |
| Hodgdon H414 | <<locked>> | 92% | 56,188 psi | 88% | 3337 fps | 98.4% |
| Hodgdon H4350 | <<locked>> | 90% | 55,970 psi | 88% | 3291 fps | 97.1% |
| Hodgdon H4895 | <<locked>> | 82% | 56,507 psi | 89% | 3281 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 96% | 54,911 psi | 86% | 3264 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 84% | 56,710 psi | 89% | 3320 fps | 100% |
| Hodgdon Superformance | <<locked>> | 92% | 56,710 psi | 89% | 3373 fps | 98.2% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,071 psi | 57% | 2083 fps | 100% |
| Hodgdon VARGET | <<locked>> | 84% | 57,551 psi | 90% | 3284 fps | 100% |
| IMR 3031 | <<locked>> | 82% | 56,884 psi | 89% | 3261 fps | 100% |
| IMR 4064 | <<locked>> | 86% | 56,231 psi | 88% | 3251 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 84% | 55,521 psi | 87% | 3225 fps | 98.2% |
| IMR 4350 | <<locked>> | 94% | 55,405 psi | 87% | 3258 fps | 97.7% |
| IMR 4451 Enduron | <<locked>> | 90% | 56,173 psi | 88% | 3261 fps | 98.2% |
| IMR 4831 | <<locked>> | 94% | 54,462 psi | 85% | 3274 fps | 99.7% |
| IMR 4895 | <<locked>> | 84% | 55,767 psi | 87% | 3294 fps | 100% |
| Lovex D073.6 | <<locked>> | 82% | 56,246 psi | 88% | 3241 fps | 100% |
| Lovex S060 | <<locked>> | 82% | 54,621 psi | 86% | 3189 fps | 100% |
| Lovex S062 | <<locked>> | 86% | 56,420 psi | 88% | 3248 fps | 100% |
| Lovex S065 | <<locked>> | 92% | 56,304 psi | 88% | 3258 fps | 99.2% |
| Lovex S070 | <<locked>> | 92% | 54,027 psi | 85% | 3238 fps | 98.1% |
| Lovex S071ᴾ | <<locked>> | 100% | 42,859 psi | 67% | 3031 fps | 96.4% |
| Norma 201 | <<locked>> | 82% | 54,389 psi | 85% | 3209 fps | 100% |
| Norma 202 | <<locked>> | 82% | 54,940 psi | 86% | 3205 fps | 100% |
| Norma 203B | <<locked>> | 86% | 57,363 psi | 90% | 3310 fps | 100% |
| Norma 204 | <<locked>> | 94% | 56,318 psi | 88% | 3310 fps | 96.7% |
| Norma MRPᴾ | <<locked>> | 100% | 54,969 psi | 86% | 3392 fps | 98.2% |
| Norma URP | <<locked>> | 94% | 56,391 psi | 88% | 3327 fps | 99.8% |
| Ramshot Big Game | <<locked>> | 84% | 54,447 psi | 85% | 3271 fps | 100% |
| Ramshot Hunter | <<locked>> | 94% | 55,100 psi | 86% | 3317 fps | 98.8% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,825 psi | 58% | 2136 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 86% | 55,506 psi | 87% | 3248 fps | 98.6% |
| ReloadSwiss RS 52 | <<locked>> | 82% | 55,347 psi | 87% | 3340 fps | 99.9% |
| ReloadSwiss RS 60 | <<locked>> | 88% | 55,448 psi | 87% | 3373 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 92% | 53,882 psi | 84% | 3301 fps | 99.5% |
| ReloadSwiss RS 70 | <<locked>> | 94% | 56,159 psi | 88% | 3392 fps | 99.7% |
| Rottweil R 902 | <<locked>> | 84% | 55,013 psi | 86% | 3209 fps | 100% |
| Rottweil R 903 | <<locked>> | 88% | 54,998 psi | 86% | 3251 fps | 100% |
| Rottweil R 905ᴾ | <<locked>> | 100% | 57,348 psi | 90% | 3353 fps | 97.3% |
| Rottweil R 907 | <<locked>> | 90% | 54,549 psi | 85% | 3228 fps | 97.5% |
| Shooters World Long Rifle | <<locked>> | 92% | 56,304 psi | 88% | 3258 fps | 99.2% |
| Shooters World Match Rifle | <<locked>> | 82% | 56,246 psi | 88% | 3241 fps | 100% |
| Shooters World Precision | <<locked>> | 86% | 56,420 psi | 88% | 3248 fps | 100% |
| Shooters World SW4350 | <<locked>> | 92% | 54,027 psi | 85% | 3238 fps | 98.1% |
| SNPE Vectan SP 11 | <<locked>> | 88% | 56,608 psi | 89% | 3314 fps | 100% |
| SNPE Vectan SP 3 | <<locked>> | 82% | 55,709 psi | 87% | 3123 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 82% | 57,130 psi | 90% | 3268 fps | 99.6% |
| SNPE Vectan SP 9 | <<locked>> | 82% | 54,360 psi | 85% | 3235 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 82% | 55,259 psi | 87% | 3140 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 88% | 56,217 psi | 88% | 3140 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 92% | 56,014 psi | 88% | 3199 fps | 98.3% |
| SNPE Vectan Tubal 8000ᴾ | <<locked>> | 100% | 56,840 psi | 89% | 3346 fps | 97.2% |
| Somchem S335 | <<locked>> | 82% | 54,940 psi | 86% | 3133 fps | 100% |
| Somchem S341 | <<locked>> | 82% | 56,985 psi | 89% | 3258 fps | 100% |
| Somchem S355 | <<locked>> | 88% | 55,013 psi | 86% | 3248 fps | 100% |
| Somchem S365 | <<locked>> | 96% | 55,463 psi | 87% | 3330 fps | 100% |
| Somchem S385 | <<locked>> | 98% | 54,346 psi | 85% | 3261 fps | 97.5% |
| Vihtavuori N133 | <<locked>> | 82% | 55,709 psi | 87% | 3123 fps | 100% |
| Vihtavuori N135 | <<locked>> | 84% | 55,288 psi | 87% | 3173 fps | 100% |
| Vihtavuori N140 | <<locked>> | 84% | 55,637 psi | 87% | 3182 fps | 100% |
| Vihtavuori N150 | <<locked>> | 90% | 56,594 psi | 89% | 3222 fps | 100% |
| Vihtavuori N160 | <<locked>> | 92% | 54,694 psi | 86% | 3261 fps | 99.6% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 50,111 psi | 79% | 3166 fps | 96.2% |
| Vihtavuori N540 | <<locked>> | 84% | 54,099 psi | 85% | 3176 fps | 100% |
| Vihtavuori N550 | <<locked>> | 92% | 54,041 psi | 85% | 3264 fps | 99.5% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 54,244 psi | 85% | 3320 fps | 99.9% |
| Winchester 6.5 StaBALL | <<locked>> | 92% | 54,578 psi | 86% | 3225 fps | 100% |
| Winchester 760 | <<locked>> | 92% | 56,521 psi | 89% | 3340 fps | 98.4% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 43,947 psi | 69% | 3278 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 82% | 54,317 psi | 85% | 3241 fps | 100% |
| Winchester Supreme 780ᴾ | <<locked>> | 100% | 54,621 psi | 86% | 3251 fps | 96.5% |
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% | 49,530 psi | 78% | 3077 fps | 100% |
| Accurate 2700 | <<locked>> | 80% | 47,413 psi | 74% | 3051 fps | 95.7% |
| Accurate 3100 | <<locked>> | 92% | 39,117 psi | 61% | 2949 fps | 95.2% |
| Accurate 4064 | <<locked>> | 80% | 46,847 psi | 73% | 3077 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 35,346 psi | 55% | 2884 fps | 95.6% |
| ADI AR 2206H | <<locked>> | 80% | 52,257 psi | 82% | 3209 fps | 99.9% |
| ADI AR 2208 | <<locked>> | 80% | 44,469 psi | 70% | 3038 fps | 98.7% |
| ADI AR 2209 | <<locked>> | 96% | 51,619 psi | 81% | 3251 fps | 95.7% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 48,892 psi | 77% | 3264 fps | 99.4% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 44,701 psi | 70% | 3061 fps | 99.6% |
| Alliant Reloder-15 | <<locked>> | 80% | 47,819 psi | 75% | 3140 fps | 99.3% |
| Alliant Reloder-16 | 41.2 gr | 80% | 34,722 psi | 54% | 2894 fps | 95.6% |
| Alliant Reloder-17 | <<locked>> | 80% | 39,363 psi | 62% | 3041 fps | 98.8% |
| Alliant Reloder-19 | <<locked>> | 96% | 51,039 psi | 80% | 3238 fps | 95.8% |
| Alliant Reloder-22 | <<locked>> | 98% | 48,254 psi | 76% | 3225 fps | 95.1% |
| Alliant Reloder-23 | <<locked>> | 86% | 30,821 psi | 48% | 2792 fps | 95.6% |
| Alliant Reloder-25 | <<locked>> | 98% | 39,711 psi | 62% | 3054 fps | 96% |
| Alliant Reloder-26 | <<locked>> | 88% | 35,882 psi | 56% | 2992 fps | 95.3% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 52,112 psi | 82% | 3215 fps | 99.5% |
| Bofors RP3 | <<locked>> | 80% | 45,049 psi | 71% | 3074 fps | 99.7% |
| Bofors RP5 | <<locked>> | 98% | 48,254 psi | 76% | 3225 fps | 95.1% |
| Bofors RP7 | <<locked>> | 84% | 45,121 psi | 71% | 3041 fps | 95.2% |
| Hodgdon H380 | <<locked>> | 80% | 45,353 psi | 71% | 3077 fps | 98.1% |
| Hodgdon H414 | <<locked>> | 84% | 42,989 psi | 67% | 3071 fps | 95.3% |
| Hodgdon H4350 | <<locked>> | 86% | 49,327 psi | 77% | 3166 fps | 95.6% |
| Hodgdon H4895 | <<locked>> | 80% | 52,837 psi | 83% | 3222 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 32,140 psi | 50% | 2779 fps | 96.4% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 49,530 psi | 78% | 3192 fps | 100% |
| Hodgdon Superformance | <<locked>> | 86% | 45,426 psi | 71% | 3153 fps | 95.6% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,050 psi | 42% | 1870 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 50,647 psi | 79% | 3163 fps | 99.9% |
| IMR 3031 | <<locked>> | 80% | 53,374 psi | 84% | 3209 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 46,760 psi | 73% | 3081 fps | 99.2% |
| IMR 4166 Enduron | <<locked>> | 80% | 48,965 psi | 77% | 3104 fps | 96.9% |
| IMR 4350 | <<locked>> | 88% | 45,934 psi | 72% | 3077 fps | 95.6% |
| IMR 4451 Enduron | <<locked>> | 82% | 43,700 psi | 68% | 3012 fps | 95.4% |
| IMR 4831 | <<locked>> | 80% | 34,040 psi | 53% | 2831 fps | 95.2% |
| IMR 4895 | <<locked>> | 80% | 49,037 psi | 77% | 3173 fps | 99.7% |
| Lovex D073.6 | <<locked>> | 80% | 52,518 psi | 82% | 3182 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 51,169 psi | 80% | 3127 fps | 99.8% |
| Lovex S062 | <<locked>> | 80% | 46,717 psi | 73% | 3077 fps | 99.9% |
| Lovex S065 | <<locked>> | 80% | 38,696 psi | 61% | 2897 fps | 95.4% |
| Lovex S070 | <<locked>> | 84% | 41,843 psi | 66% | 2989 fps | 95.1% |
| Lovex S071 | <<locked>> | 98% | 40,161 psi | 63% | 2972 fps | 95.5% |
| Norma 201 | <<locked>> | 80% | 51,155 psi | 80% | 3150 fps | 100% |
| Norma 202 | <<locked>> | 80% | 51,663 psi | 81% | 3153 fps | 100% |
| Norma 203B | <<locked>> | 80% | 47,166 psi | 74% | 3123 fps | 99.5% |
| Norma 204 | <<locked>> | 92% | 52,562 psi | 82% | 3245 fps | 95.9% |
| Norma MRP | <<locked>> | 94% | 44,469 psi | 70% | 3179 fps | 95.6% |
| Norma URP | <<locked>> | 80% | 35,230 psi | 55% | 2881 fps | 95.4% |
| Ramshot Big Game | <<locked>> | 80% | 47,558 psi | 75% | 3146 fps | 99.5% |
| Ramshot Hunter | <<locked>> | 84% | 39,392 psi | 62% | 2992 fps | 95.1% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,311 psi | 43% | 1909 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 45,527 psi | 71% | 3058 fps | 96.7% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 51,605 psi | 81% | 3271 fps | 99.7% |
| ReloadSwiss RS 60 | 44.4 gr | 80% | 41,858 psi | 66% | 3114 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 35,085 psi | 55% | 2894 fps | 95.1% |
| ReloadSwiss RS 70 | 46.2 gr | 82% | 36,956 psi | 58% | 2966 fps | 95.2% |
| Rottweil R 902 | <<locked>> | 80% | 48,718 psi | 76% | 3097 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 42,134 psi | 66% | 3005 fps | 99.2% |
| Rottweil R 905 | <<locked>> | 96% | 50,067 psi | 78% | 3219 fps | 95.7% |
| Rottweil R 907 | <<locked>> | 84% | 45,121 psi | 71% | 3041 fps | 95.2% |
| Shooters World Long Rifle | <<locked>> | 80% | 38,696 psi | 61% | 2897 fps | 95.4% |
| Shooters World Match Rifle | <<locked>> | 80% | 52,518 psi | 82% | 3182 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 46,717 psi | 73% | 3077 fps | 99.9% |
| Shooters World SW4350 | <<locked>> | 84% | 41,843 psi | 66% | 2989 fps | 95.1% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 43,453 psi | 68% | 3064 fps | 99% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 52,402 psi | 82% | 3071 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 53,403 psi | 84% | 3205 fps | 99.2% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 50,865 psi | 80% | 3173 fps | 99.8% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 51,909 psi | 81% | 3087 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 43,758 psi | 69% | 2933 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 84% | 43,192 psi | 68% | 2956 fps | 95.5% |
| SNPE Vectan Tubal 8000 | <<locked>> | 96% | 49,603 psi | 78% | 3212 fps | 95.5% |
| Somchem S335 | <<locked>> | 80% | 51,779 psi | 81% | 3084 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 52,968 psi | 83% | 3192 fps | 99.9% |
| Somchem S355 | <<locked>> | 80% | 42,728 psi | 67% | 3012 fps | 99.2% |
| Somchem S365 | <<locked>> | 80% | 31,850 psi | 50% | 2828 fps | 97.7% |
| Somchem S385 | <<locked>> | 92% | 44,498 psi | 70% | 3068 fps | 95% |
| Vihtavuori N133 | <<locked>> | 80% | 52,402 psi | 82% | 3071 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 48,704 psi | 76% | 3064 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 48,921 psi | 77% | 3074 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 40,640 psi | 64% | 2933 fps | 99.6% |
| Vihtavuori N160 | <<locked>> | 80% | 36,666 psi | 57% | 2884 fps | 96% |
| Vihtavuori N165 | <<locked>> | 98% | 46,731 psi | 73% | 3100 fps | 95.3% |
| Vihtavuori N540 | <<locked>> | 80% | 47,413 psi | 74% | 3061 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 36,201 psi | 57% | 2881 fps | 95.6% |
| Vihtavuori N555 | <<locked>> | 86% | 33,997 psi | 53% | 2881 fps | 95.8% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 36,071 psi | 57% | 2851 fps | 98.2% |
| Winchester 760 | <<locked>> | 84% | 42,989 psi | 67% | 3071 fps | 95.3% |
| Winchester StaBALL HD | <<locked>> | 88% | 29,095 psi | 46% | 2815 fps | 95.3% |
| Winchester StaBALL Match | <<locked>> | 80% | 50,792 psi | 80% | 3179 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 98% | 50,778 psi | 80% | 3182 fps | 95.6% |
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 93 powders for .240 Weath. Mag. loaded with the .243 | 85gr | Lehigh Defense Controlled Chaos. Alliant Reloder-26 delivers the highest muzzle velocity at 3,445 fps; across all powders the maximum-charge window runs from 2,083 fps to 3,445 fps. Accurate 3100 gives the best case fill at 100 %, and 93 of the 93 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 85.0 gr projectile in 0.243" calls for a 1:8.5 twist; slower twists will usually not stabilise this weight. Accurate 3100, Alliant Reloder-22, 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. ReloadSwiss RS 60, Alliant Reloder-16, ReloadSwiss RS 70 rank at the top here: for .240 Weath. Mag. with the .243 | 85gr | Lehigh Defense Controlled Chaos 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.