
Load Specifications
Load data in caliber .240 Weath. Mag. with .243 | 65gr | Impala LWHV LS bullet and 85 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 60, ReloadSwiss RS 70 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>> | 82% | 55,013 psi | 86% | 3507 fps | 100% |
| Accurate 2495 | <<locked>> | 86% | 55,535 psi | 87% | 3540 fps | 100% |
| Accurate 2520 | <<locked>> | 82% | 56,043 psi | 88% | 3593 fps | 100% |
| Accurate 4064 | <<locked>> | 88% | 55,550 psi | 87% | 3589 fps | 100% |
| Accurate 4350 | <<locked>> | 96% | 54,998 psi | 86% | 3642 fps | 98.2% |
| ADI AR 2206H | <<locked>> | 86% | 57,566 psi | 90% | 3658 fps | 99.3% |
| ADI AR 2208 | <<locked>> | 90% | 55,245 psi | 87% | 3586 fps | 98.6% |
| ADI Benchmark 8208 | <<locked>> | 84% | 56,130 psi | 88% | 3599 fps | 99.7% |
| Alliant AR-Comp | <<locked>> | 84% | 57,435 psi | 90% | 3599 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 88% | 57,464 psi | 90% | 3780 fps | 99% |
| Alliant Reloder- TS 15.5 | <<locked>> | 90% | 55,622 psi | 87% | 3622 fps | 99.6% |
| Alliant Reloder-15 | <<locked>> | 88% | 56,086 psi | 88% | 3645 fps | 98.9% |
| Alliant Reloder-16 | <<locked>> | 98% | 55,100 psi | 86% | 3698 fps | 98.6% |
| Alliant Reloder-17 | <<locked>> | 94% | 56,710 psi | 89% | 3747 fps | 99.7% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 43,265 psi | 68% | 3432 fps | 97.4% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 49,008 psi | 77% | 3625 fps | 96.8% |
| Baschieri & Pellagri 107 | <<locked>> | 86% | 57,464 psi | 90% | 3658 fps | 98.7% |
| Bofors RP3 | <<locked>> | 90% | 56,840 psi | 89% | 3642 fps | 99.7% |
| Hodgdon Benchmark | <<locked>> | 82% | 54,404 psi | 85% | 3527 fps | 99.8% |
| Hodgdon BL-C2 | <<locked>> | 84% | 56,463 psi | 88% | 3632 fps | 99.9% |
| Hodgdon CFE223 | <<locked>> | 82% | 57,740 psi | 90% | 3740 fps | 99% |
| Hodgdon H380 | <<locked>> | 90% | 57,319 psi | 90% | 3642 fps | 98.1% |
| Hodgdon H414 | <<locked>> | 96% | 57,290 psi | 90% | 3688 fps | 96.1% |
| Hodgdon H4895 | <<locked>> | 84% | 54,578 psi | 86% | 3606 fps | 99.3% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 55,158 psi | 86% | 3615 fps | 99.4% |
| Hodgdon LEVERevolution | <<locked>> | 86% | 54,288 psi | 85% | 3635 fps | 99.6% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,679 psi | 56% | 2349 fps | 100% |
| Hodgdon VARGET | <<locked>> | 86% | 55,695 psi | 87% | 3609 fps | 99.4% |
| IMR 3031 | <<locked>> | 84% | 54,549 psi | 85% | 3609 fps | 100% |
| IMR 4064 | <<locked>> | 88% | 54,549 psi | 85% | 3570 fps | 98.7% |
| IMR 4451 Enduron | <<locked>> | 94% | 57,711 psi | 90% | 3615 fps | 96% |
| IMR 4831 | <<locked>> | 98% | 55,100 psi | 86% | 3622 fps | 98.3% |
| IMR 4895 | <<locked>> | 88% | 57,421 psi | 90% | 3681 fps | 99.4% |
| IMR 8208 XBR | <<locked>> | 84% | 56,130 psi | 88% | 3599 fps | 99.7% |
| Lovex D073.6 | <<locked>> | 84% | 54,447 psi | 85% | 3576 fps | 100% |
| Lovex S060 | <<locked>> | 86% | 56,666 psi | 89% | 3570 fps | 99.3% |
| Lovex S062 | <<locked>> | 88% | 54,897 psi | 86% | 3576 fps | 99.7% |
| Lovex S065 | <<locked>> | 94% | 54,433 psi | 85% | 3553 fps | 96.8% |
| Lovex S070 | <<locked>> | 96% | 55,521 psi | 87% | 3589 fps | 95.9% |
| Norma 201 | <<locked>> | 86% | 56,710 psi | 89% | 3602 fps | 99.8% |
| Norma 202 | <<locked>> | 86% | 57,058 psi | 89% | 3609 fps | 100% |
| Norma 203B | <<locked>> | 88% | 55,274 psi | 87% | 3629 fps | 99.1% |
| Norma URP | <<locked>> | 98% | 56,942 psi | 89% | 3684 fps | 98.4% |
| Ramshot Big Game | <<locked>> | 88% | 55,854 psi | 88% | 3645 fps | 99.1% |
| Ramshot Hunter | <<locked>> | 98% | 55,854 psi | 88% | 3665 fps | 96.8% |
| Ramshot TAC | <<locked>> | 84% | 56,884 psi | 89% | 3606 fps | 97.5% |
| Ramshot Wild Boar | <<locked>> | 84% | 56,405 psi | 88% | 3629 fps | 99.2% |
| Ramshot X-Terminator | <<locked>> | 82% | 57,101 psi | 89% | 3593 fps | 99.2% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,361 psi | 57% | 2408 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 90% | 57,305 psi | 90% | 3609 fps | 96.7% |
| ReloadSwiss RS 52 | <<locked>> | 86% | 56,304 psi | 88% | 3714 fps | 98.8% |
| ReloadSwiss RS 60 | <<locked>> | 92% | 56,362 psi | 88% | 3757 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 96% | 54,520 psi | 85% | 3652 fps | 97.9% |
| ReloadSwiss RS 70 | <<locked>> | 98% | 57,305 psi | 90% | 3743 fps | 98.1% |
| Rottweil R 901 | <<locked>> | 82% | 54,781 psi | 86% | 3547 fps | 100% |
| Rottweil R 902 | <<locked>> | 88% | 57,276 psi | 90% | 3602 fps | 99.8% |
| Rottweil R 903 | <<locked>> | 92% | 56,652 psi | 89% | 3632 fps | 99.6% |
| Shooters World Long Rifle | <<locked>> | 94% | 54,433 psi | 85% | 3553 fps | 96.8% |
| Shooters World Match Rifle | <<locked>> | 84% | 54,447 psi | 85% | 3576 fps | 100% |
| Shooters World Precision | <<locked>> | 88% | 54,897 psi | 86% | 3576 fps | 99.7% |
| Shooters World SW4350 | <<locked>> | 96% | 55,521 psi | 87% | 3589 fps | 95.9% |
| SNPE Vectan SP 11 | <<locked>> | 90% | 54,476 psi | 85% | 3622 fps | 99% |
| SNPE Vectan SP 7 | <<locked>> | 84% | 55,579 psi | 87% | 3579 fps | 97.7% |
| SNPE Vectan SP 9 | <<locked>> | 86% | 55,912 psi | 88% | 3612 fps | 99.2% |
| SNPE Vectan Tubal 3000 | <<locked>> | 86% | 57,450 psi | 90% | 3537 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 90% | 54,418 psi | 85% | 3468 fps | 100% |
| Somchem S335 | <<locked>> | 86% | 57,276 psi | 90% | 3530 fps | 100% |
| Somchem S341 | <<locked>> | 84% | 55,013 psi | 86% | 3570 fps | 99% |
| Somchem S355 | <<locked>> | 92% | 56,739 psi | 89% | 3625 fps | 99.5% |
| Somchem S365ᴾ | <<locked>> | 100% | 55,361 psi | 87% | 3691 fps | 100% |
| Vihtavuori N130 | <<locked>> | 82% | 57,101 psi | 89% | 3504 fps | 100% |
| Vihtavuori N133 | <<locked>> | 86% | 57,566 psi | 90% | 3520 fps | 100% |
| Vihtavuori N135 | <<locked>> | 88% | 56,710 psi | 89% | 3570 fps | 100% |
| Vihtavuori N140 | <<locked>> | 88% | 57,537 psi | 90% | 3576 fps | 100% |
| Vihtavuori N150 | <<locked>> | 92% | 54,505 psi | 85% | 3537 fps | 99.9% |
| Vihtavuori N160 | <<locked>> | 96% | 55,695 psi | 87% | 3615 fps | 98.2% |
| Vihtavuori N530 | <<locked>> | 84% | 56,768 psi | 89% | 3599 fps | 99.8% |
| Vihtavuori N540 | <<locked>> | 88% | 55,898 psi | 88% | 3563 fps | 100% |
| Vihtavuori N550 | <<locked>> | 96% | 55,100 psi | 86% | 3615 fps | 97.9% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 47,805 psi | 75% | 3533 fps | 97.4% |
| Winchester 6.5 StaBALL | <<locked>> | 96% | 56,028 psi | 88% | 3579 fps | 99.7% |
| Winchester 748 | <<locked>> | 84% | 57,188 psi | 90% | 3658 fps | 100% |
| Winchester 760 | <<locked>> | 96% | 57,290 psi | 90% | 3688 fps | 96.1% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 39,320 psi | 62% | 3415 fps | 97% |
| Winchester StaBALL Match | <<locked>> | 86% | 55,999 psi | 88% | 3619 fps | 99.5% |
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 2015 | <<locked>> | 80% | 51,895 psi | 81% | 3451 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 46,238 psi | 72% | 3369 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 52,286 psi | 82% | 3527 fps | 100% |
| Accurate 4064 | <<locked>> | 80% | 43,569 psi | 68% | 3350 fps | 99.7% |
| Accurate 4350 | <<locked>> | 90% | 45,005 psi | 71% | 3435 fps | 95.9% |
| ADI AR 2206H | <<locked>> | 80% | 47,877 psi | 75% | 3461 fps | 97.9% |
| ADI AR 2208 | <<locked>> | 80% | 40,654 psi | 64% | 3264 fps | 95.2% |
| ADI Benchmark 8208 | <<locked>> | 80% | 49,748 psi | 78% | 3474 fps | 99.1% |
| Alliant AR-Comp | <<locked>> | 80% | 50,430 psi | 79% | 3481 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 43,787 psi | 69% | 3474 fps | 95.8% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 40,901 psi | 64% | 3301 fps | 97% |
| Alliant Reloder-15 | <<locked>> | 80% | 43,758 psi | 69% | 3376 fps | 96.3% |
| Alliant Reloder-16 | <<locked>> | 90% | 43,178 psi | 68% | 3425 fps | 95.5% |
| Alliant Reloder-17 | 46.3 gr | 82% | 38,029 psi | 60% | 3307 fps | 95.5% |
| Alliant Reloder-23 | <<locked>> | 96% | 38,377 psi | 60% | 3297 fps | 95.7% |
| Alliant Reloder-26 | <<locked>> | 98% | 45,614 psi | 71% | 3540 fps | 95.6% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 47,355 psi | 74% | 3451 fps | 96.7% |
| Bofors RP3 | <<locked>> | 80% | 41,307 psi | 65% | 3314 fps | 97.3% |
| Hodgdon Benchmark | <<locked>> | 80% | 51,126 psi | 80% | 3461 fps | 99.6% |
| Hodgdon BL-C2 | <<locked>> | 80% | 49,429 psi | 77% | 3501 fps | 99.4% |
| Hodgdon CFE223 | <<locked>> | 80% | 54,114 psi | 85% | 3668 fps | 98.5% |
| Hodgdon H380 | <<locked>> | 82% | 44,367 psi | 70% | 3369 fps | 95.1% |
| Hodgdon H414 | <<locked>> | 94% | 53,301 psi | 84% | 3612 fps | 95.1% |
| Hodgdon H4895 | <<locked>> | 80% | 48,385 psi | 76% | 3478 fps | 98.4% |
| Hodgdon Hybrid 100V | <<locked>> | 88% | 37,927 psi | 59% | 3232 fps | 95.6% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 44,411 psi | 70% | 3428 fps | 98% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,745 psi | 42% | 2113 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 45,992 psi | 72% | 3409 fps | 97.9% |
| IMR 3031 | <<locked>> | 80% | 47,892 psi | 75% | 3484 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 42,685 psi | 67% | 3310 fps | 96.1% |
| IMR 4451 Enduron | <<locked>> | 92% | 54,578 psi | 86% | 3553 fps | 95.2% |
| IMR 4831 | <<locked>> | 90% | 42,917 psi | 67% | 3363 fps | 95.4% |
| IMR 4895 | <<locked>> | 80% | 44,759 psi | 70% | 3415 fps | 97.2% |
| IMR 8208 XBR | <<locked>> | 80% | 49,748 psi | 78% | 3474 fps | 99.1% |
| Lovex D073.6 | <<locked>> | 80% | 47,892 psi | 75% | 3448 fps | 99.7% |
| Lovex S060 | <<locked>> | 80% | 47,253 psi | 74% | 3383 fps | 97.8% |
| Lovex S062 | <<locked>> | 80% | 43,120 psi | 68% | 3327 fps | 98% |
| Lovex S065 | <<locked>> | 90% | 48,385 psi | 76% | 3425 fps | 95.3% |
| Lovex S070 | <<locked>> | 94% | 52,402 psi | 82% | 3530 fps | 95.1% |
| Norma 201 | <<locked>> | 80% | 47,485 psi | 74% | 3419 fps | 98.8% |
| Norma 202 | <<locked>> | 80% | 47,398 psi | 74% | 3425 fps | 99.9% |
| Norma 203B | <<locked>> | 80% | 43,163 psi | 68% | 3363 fps | 96.7% |
| Norma URP | <<locked>> | 90% | 43,976 psi | 69% | 3412 fps | 95.5% |
| Ramshot Big Game | <<locked>> | 80% | 42,714 psi | 67% | 3363 fps | 96.4% |
| Ramshot Hunter | <<locked>> | 94% | 49,110 psi | 77% | 3527 fps | 95.1% |
| Ramshot TAC | <<locked>> | 80% | 50,067 psi | 78% | 3465 fps | 96% |
| Ramshot Wild Boar | <<locked>> | 80% | 49,487 psi | 78% | 3491 fps | 98.2% |
| Ramshot X-Terminator | <<locked>> | 80% | 53,722 psi | 84% | 3527 fps | 98.8% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,195 psi | 43% | 2165 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 86% | 50,633 psi | 79% | 3478 fps | 95.1% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 46,021 psi | 72% | 3497 fps | 96.8% |
| ReloadSwiss RS 60 | 45.2 gr | 80% | 37,811 psi | 59% | 3323 fps | 98% |
| ReloadSwiss RS 62 | <<locked>> | 90% | 44,425 psi | 70% | 3438 fps | 95.4% |
| ReloadSwiss RS 70 | 52.8 gr | 92% | 46,934 psi | 74% | 3517 fps | 95.5% |
| Rottweil R 901 | <<locked>> | 80% | 51,445 psi | 81% | 3484 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 45,020 psi | 71% | 3353 fps | 98.4% |
| Rottweil R 903 | <<locked>> | 80% | 38,783 psi | 61% | 3241 fps | 96.2% |
| Shooters World Long Rifle | <<locked>> | 90% | 48,385 psi | 76% | 3425 fps | 95.3% |
| Shooters World Match Rifle | <<locked>> | 80% | 47,892 psi | 75% | 3448 fps | 99.7% |
| Shooters World Precision | <<locked>> | 80% | 43,120 psi | 68% | 3327 fps | 98% |
| Shooters World SW4350 | <<locked>> | 94% | 52,402 psi | 82% | 3530 fps | 95.1% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 39,218 psi | 61% | 3281 fps | 95.4% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 48,660 psi | 76% | 3435 fps | 96.2% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 46,354 psi | 73% | 3412 fps | 97.5% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 47,819 psi | 75% | 3360 fps | 99.9% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 40,176 psi | 63% | 3182 fps | 99.7% |
| Somchem S335 | <<locked>> | 80% | 48,080 psi | 75% | 3366 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 48,211 psi | 76% | 3435 fps | 97.9% |
| Somchem S355 | <<locked>> | 80% | 39,392 psi | 62% | 3248 fps | 96.1% |
| Somchem S365 | <<locked>> | 84% | 33,054 psi | 52% | 3153 fps | 95.1% |
| Vihtavuori N130 | <<locked>> | 80% | 53,548 psi | 84% | 3445 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 47,993 psi | 75% | 3353 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 44,295 psi | 69% | 3343 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 44,817 psi | 70% | 3337 fps | 99.8% |
| Vihtavuori N150 | <<locked>> | 80% | 37,376 psi | 59% | 3166 fps | 97.1% |
| Vihtavuori N160 | <<locked>> | 88% | 43,091 psi | 68% | 3350 fps | 95.1% |
| Vihtavuori N530 | <<locked>> | 80% | 50,212 psi | 79% | 3474 fps | 99.2% |
| Vihtavuori N540 | <<locked>> | 80% | 43,511 psi | 68% | 3320 fps | 99.6% |
| Vihtavuori N550 | <<locked>> | 90% | 45,498 psi | 71% | 3415 fps | 95.7% |
| Vihtavuori N555 | <<locked>> | 96% | 42,032 psi | 66% | 3402 fps | 95.8% |
| Winchester 6.5 StaBALL | <<locked>> | 84% | 37,913 psi | 59% | 3182 fps | 96% |
| Winchester 748 | <<locked>> | 80% | 49,980 psi | 78% | 3524 fps | 99.6% |
| Winchester 760 | <<locked>> | 94% | 53,693 psi | 84% | 3619 fps | 95.2% |
| Winchester StaBALL HD | <<locked>> | 98% | 36,927 psi | 58% | 3333 fps | 95.7% |
| Winchester StaBALL Match | <<locked>> | 80% | 46,006 psi | 72% | 3419 fps | 98% |
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 85 powders for .240 Weath. Mag. loaded with the .243 | 65gr | Impala LWHV LS. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 3,780 fps; across all powders the maximum-charge window runs from 2,349 fps to 3,780 fps. Alliant Reloder-23 gives the best case fill at 100 %, and 85 of the 85 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 65.0 gr projectile in 0.243" calls for a 1:8.5 twist; slower twists will usually not stabilise this weight. Alliant Reloder-23, Alliant Reloder-26, 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. ReloadSwiss RS 60, ReloadSwiss RS 70, Alliant Reloder-17 rank at the top here: for .240 Weath. Mag. with the .243 | 65gr | Impala LWHV LS 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.