Load data for .340 Weath. Mag. + .338 | 227gr | CutEdge MTAC

.340 Weath. Mag. cartridge drawing
Cutting Edge logo

Load Specifications

Bullet Manufacturer:Cutting Edge
Bullet Weight:227 gr
Bullet Diameter:0.338"
Bullet Length:<<locked>>
Case Length (l3):2.825"
Cartridge Length (C.O.L.):<<locked>>
Case Capacity:100 Grains of Water
Primer Size:Large Rifle Magnum (LRM)
Barrel Length:26"
Max. allowed Pressure:63,817 psi
Recommended Twist Rate:1:11.5

Load data in caliber .340 Weath. Mag. with .338 | 227gr | CutEdge MTAC bullet and 217 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-17 and ReloadSwiss RS 60.

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: 26"

PowderChargeFRMaxP%V(0)z
Accurate 2015<<locked>>82%56,144 psi88%2641 fps100%
Accurate 2015<<locked>>82%56,275 psi88%2641 fps100%
Accurate 2495<<locked>>86%55,259 psi87%2671 fps100%
Accurate 2495<<locked>>86%55,376 psi87%2674 fps100%
Accurate 2520<<locked>>82%56,898 psi89%2736 fps100%
Accurate 2520<<locked>>82%57,014 psi89%2740 fps100%
Accurate 2700<<locked>>88%57,667 psi90%2746 fps99%
Accurate 2700<<locked>>86%54,041 psi85%2694 fps98.6%
Accurate 3100ᴾ<<locked>>100%46,137 psi72%2664 fps98.8%
Accurate 3100ᴾ<<locked>>100%46,224 psi72%2667 fps98.8%
Accurate 4064<<locked>>88%55,521 psi87%2723 fps100%
Accurate 4064<<locked>>88%55,637 psi87%2726 fps100%
Accurate 4350<<locked>>96%55,883 psi88%2825 fps100%
Accurate 4350<<locked>>96%55,999 psi88%2828 fps100%
Accurate High Countryᴾ<<locked>>100%50,589 psi79%2854 fps96.7%
Accurate High Countryᴾ<<locked>>100%50,662 psi79%2854 fps96.7%
ADI AR 2206H<<locked>>84%55,608 psi87%2759 fps100%
ADI AR 2206H<<locked>>84%55,724 psi87%2762 fps100%
ADI AR 2208<<locked>>90%56,623 psi89%2762 fps100%
ADI AR 2208<<locked>>90%56,710 psi89%2762 fps100%
ADI AR 2209ᴾ<<locked>>100%54,041 psi85%2818 fps98%
ADI AR 2209ᴾ<<locked>>100%54,114 psi85%2818 fps98%
ADI Benchmark 8208<<locked>>82%54,317 psi85%2703 fps100%
ADI Benchmark 8208<<locked>>82%54,418 psi85%2707 fps100%
Alliant AR-Comp<<locked>>82%55,825 psi87%2671 fps100%
Alliant AR-Comp<<locked>>82%55,970 psi88%2674 fps100%
Alliant Power Pro 2000-MR<<locked>>86%55,767 psi87%2887 fps100%
Alliant Power Pro 2000-MR<<locked>>86%55,869 psi88%2890 fps100%
Alliant Power Pro Varmintᴾ<<locked>>100%53,853 psi84%2815 fps98%
Alliant Reloder- TS 15.5<<locked>>90%56,985 psi89%2782 fps100%
Alliant Reloder- TS 15.5<<locked>>90%57,043 psi89%2782 fps100%
Alliant Reloder-15<<locked>>88%57,435 psi90%2805 fps100%
Alliant Reloder-15<<locked>>88%57,551 psi90%2805 fps100%
Alliant Reloder-16<<locked>>98%57,058 psi89%2881 fps100%
Alliant Reloder-16<<locked>>98%57,159 psi90%2884 fps100%
Alliant Reloder-17<<locked>>92%54,636 psi86%2861 fps100%
Alliant Reloder-17<<locked>>92%54,737 psi86%2861 fps100%
Alliant Reloder-19ᴾ<<locked>>100%52,968 psi83%2805 fps97.9%
Alliant Reloder-19ᴾ<<locked>>100%53,055 psi83%2805 fps97.9%
Alliant Reloder-22ᴾ<<locked>>100%46,398 psi73%2743 fps96.8%
Alliant Reloder-22ᴾ<<locked>>100%46,470 psi73%2746 fps96.8%
Alliant Reloder-23ᴾ<<locked>>100%43,642 psi68%2690 fps100%
Alliant Reloder-23ᴾ<<locked>>100%43,685 psi68%2694 fps100%
Alliant Reloder-25ᴾ<<locked>>100%38,305 psi60%2605 fps97.8%
Alliant Reloder-25ᴾ<<locked>>100%38,363 psi60%2608 fps97.8%
Alliant Reloder-26ᴾ<<locked>>100%49,487 psi78%2867 fps100%
Alliant Reloder-26ᴾ<<locked>>100%49,588 psi78%2871 fps100%
Baschieri & Pellagri 107<<locked>>84%55,608 psi87%2782 fps100%
Baschieri & Pellagri 107<<locked>>84%55,463 psi87%2779 fps100%
Bofors RP3<<locked>>88%54,172 psi85%2749 fps100%
Bofors RP3<<locked>>88%54,041 psi85%2749 fps100%
Bofors RP5ᴾ<<locked>>100%46,398 psi73%2743 fps96.8%
Bofors RP5ᴾ<<locked>>100%46,470 psi73%2746 fps96.8%
Bofors RP7<<locked>>94%57,522 psi90%2785 fps99.1%
Bofors RP7<<locked>>94%57,595 psi90%2785 fps99.1%
Hodgdon Benchmark<<locked>>82%55,883 psi88%2684 fps100%
Hodgdon Benchmark<<locked>>82%55,999 psi88%2687 fps100%
Hodgdon BL-C2<<locked>>82%53,867 psi84%2736 fps100%
Hodgdon BL-C2<<locked>>84%57,682 psi90%2785 fps100%
Hodgdon H380<<locked>>88%54,897 psi86%2769 fps100%
Hodgdon H380<<locked>>88%54,940 psi86%2769 fps100%
Hodgdon H414<<locked>>94%55,100 psi86%2831 fps99.3%
Hodgdon H414<<locked>>94%55,187 psi86%2831 fps99.4%
Hodgdon H4350<<locked>>92%55,274 psi87%2789 fps98.4%
Hodgdon H4350<<locked>>92%55,376 psi87%2792 fps98.5%
Hodgdon H4895<<locked>>84%56,231 psi88%2769 fps100%
Hodgdon H4895<<locked>>84%56,318 psi88%2769 fps100%
Hodgdon Hybrid 100Vᴾ<<locked>>100%57,188 psi90%2802 fps100%
Hodgdon Hybrid 100Vᴾ<<locked>>100%57,290 psi90%2805 fps100%
Hodgdon LEVERevolution<<locked>>86%56,057 psi88%2802 fps100%
Hodgdon LEVERevolution<<locked>>86%56,159 psi88%2805 fps100%
Hodgdon Superformance<<locked>>94%55,332 psi87%2867 fps99.2%
Hodgdon Superformance<<locked>>94%55,405 psi87%2871 fps99.2%
Hodgdon TrailBossᴾ<<locked>>100%35,781 psi56%1673 fps100%
Hodgdon TrailBossᴾ<<locked>>100%35,911 psi56%1677 fps100%
Hodgdon VARGET<<locked>>86%57,421 psi90%2769 fps100%
Hodgdon VARGET<<locked>>86%57,537 psi90%2769 fps100%
IMR 3031<<locked>>84%56,594 psi89%2740 fps100%
IMR 3031<<locked>>84%56,724 psi89%2743 fps100%
IMR 4064<<locked>>88%56,304 psi88%2746 fps100%
IMR 4064<<locked>>88%56,173 psi88%2743 fps100%
IMR 4166 Enduron<<locked>>86%55,680 psi87%2730 fps99.2%
IMR 4166 Enduron<<locked>>86%55,753 psi87%2733 fps99.3%
IMR 4350<<locked>>96%54,534 psi85%2762 fps98.9%
IMR 4350<<locked>>96%54,621 psi86%2762 fps98.9%
IMR 4451 Enduron<<locked>>92%55,782 psi87%2759 fps99.2%
IMR 4451 Enduron<<locked>>92%55,869 psi88%2762 fps99.2%
IMR 4831<<locked>>98%56,536 psi89%2818 fps100%
IMR 4831<<locked>>98%56,623 psi89%2818 fps100%
IMR 4895<<locked>>86%55,390 psi87%2782 fps100%
IMR 4895<<locked>>86%55,448 psi87%2785 fps100%
IMR 4955 Enduronᴾ<<locked>>100%53,766 psi84%2749 fps96.2%
IMR 4955 Enduronᴾ<<locked>>100%53,838 psi84%2753 fps96.3%
IMR 8208 XBR<<locked>>82%54,317 psi85%2703 fps100%
IMR 8208 XBR<<locked>>82%54,418 psi85%2707 fps100%
Lovex D073.6<<locked>>84%55,506 psi87%2730 fps100%
Lovex D073.6<<locked>>84%55,564 psi87%2730 fps100%
Lovex S060<<locked>>84%54,737 psi86%2684 fps100%
Lovex S060<<locked>>84%54,839 psi86%2687 fps100%
Lovex S062<<locked>>88%56,014 psi88%2736 fps100%
Lovex S062<<locked>>88%56,130 psi88%2740 fps100%
Lovex S065<<locked>>94%55,303 psi87%2753 fps99.8%
Lovex S065<<locked>>94%55,347 psi87%2756 fps99.8%
Lovex S070<<locked>>96%56,391 psi88%2792 fps99.5%
Lovex S070<<locked>>96%56,478 psi89%2795 fps99.5%
Lovex S071ᴾ<<locked>>100%38,072 psi60%2516 fps97.1%
Lovex S071ᴾ<<locked>>100%38,159 psi60%2520 fps97.2%
Norma 201<<locked>>86%57,667 psi90%2749 fps100%
Norma 201<<locked>>84%54,273 psi85%2703 fps100%
Norma 202<<locked>>84%54,839 psi86%2697 fps100%
Norma 202<<locked>>84%54,897 psi86%2700 fps100%
Norma 203B<<locked>>88%56,652 psi89%2792 fps100%
Norma 203B<<locked>>88%56,724 psi89%2792 fps100%
Norma 204<<locked>>96%55,216 psi87%2815 fps98%
Norma 204<<locked>>96%55,303 psi87%2815 fps98.1%
Norma MRPᴾ<<locked>>100%49,066 psi77%2825 fps98.6%
Norma MRPᴾ<<locked>>100%49,124 psi77%2828 fps98.7%
Norma URP<<locked>>96%54,839 psi86%2815 fps100%
Norma URP<<locked>>96%54,940 psi86%2815 fps100%
Ramshot Big Game<<locked>>88%57,595 psi90%2822 fps100%
Ramshot Big Game<<locked>>88%57,696 psi90%2822 fps100%
Ramshot Hunter<<locked>>98%57,435 psi90%2871 fps99.8%
Ramshot Hunter<<locked>>98%57,522 psi90%2871 fps99.9%
Ramshot TAC<<locked>>82%54,375 psi85%2733 fps99.8%
Ramshot TAC<<locked>>82%54,462 psi85%2733 fps99.8%
Ramshot Wild Boar<<locked>>82%54,302 psi85%2746 fps100%
Ramshot Wild Boar<<locked>>82%54,404 psi85%2746 fps100%
ReloadSwiss RS 14ᴾ<<locked>>100%36,332 psi57%1713 fps100%
ReloadSwiss RS 14ᴾ<<locked>>100%36,463 psi57%1716 fps100%
ReloadSwiss RS 50<<locked>>88%54,969 psi86%2753 fps99.5%
ReloadSwiss RS 50<<locked>>88%55,042 psi86%2753 fps99.5%
ReloadSwiss RS 52<<locked>>84%54,795 psi86%2822 fps100%
ReloadSwiss RS 52<<locked>>84%54,650 psi86%2822 fps100%
ReloadSwiss RS 60<<locked>>90%54,346 psi85%2854 fps100%
ReloadSwiss RS 60<<locked>>90%54,447 psi85%2854 fps100%
ReloadSwiss RS 62<<locked>>96%55,753 psi87%2851 fps100%
ReloadSwiss RS 62<<locked>>96%55,840 psi88%2851 fps100%
ReloadSwiss RS 70<<locked>>96%54,868 psi86%2884 fps100%
ReloadSwiss RS 70<<locked>>96%54,940 psi86%2884 fps100%
Rottweil R 901<<locked>>82%54,853 psi86%2674 fps100%
Rottweil R 901<<locked>>82%54,955 psi86%2677 fps100%
Rottweil R 902<<locked>>86%54,636 psi86%2700 fps100%
Rottweil R 902<<locked>>86%54,723 psi86%2700 fps100%
Rottweil R 903<<locked>>92%57,667 psi90%2792 fps100%
Rottweil R 903<<locked>>92%57,711 psi90%2792 fps100%
Rottweil R 904ᴾ<<locked>>100%55,782 psi87%2785 fps97.2%
Rottweil R 904ᴾ<<locked>>100%55,854 psi88%2789 fps97.2%
Rottweil R 905ᴾ<<locked>>100%51,851 psi81%2785 fps97.9%
Rottweil R 905ᴾ<<locked>>100%51,938 psi81%2789 fps97.9%
Rottweil R 907<<locked>>94%57,522 psi90%2785 fps99.1%
Rottweil R 907<<locked>>94%57,595 psi90%2785 fps99.1%
Shooters World Long Rifle<<locked>>94%55,303 psi87%2753 fps99.8%
Shooters World Long Rifle<<locked>>94%55,347 psi87%2756 fps99.8%
Shooters World Match Rifle<<locked>>84%55,506 psi87%2730 fps100%
Shooters World Match Rifle<<locked>>84%55,564 psi87%2730 fps100%
Shooters World Precision<<locked>>88%56,014 psi88%2736 fps100%
Shooters World Precision<<locked>>88%56,130 psi88%2740 fps100%
Shooters World SW4350<<locked>>96%56,391 psi88%2792 fps99.5%
Shooters World SW4350<<locked>>96%56,478 psi89%2795 fps99.5%
SNPE Vectan SP 11<<locked>>90%55,941 psi88%2805 fps100%
SNPE Vectan SP 11<<locked>>90%56,043 psi88%2805 fps100%
SNPE Vectan SP 7<<locked>>84%56,695 psi89%2762 fps100%
SNPE Vectan SP 7<<locked>>84%56,797 psi89%2766 fps100%
SNPE Vectan SP 9<<locked>>86%57,508 psi90%2779 fps100%
SNPE Vectan SP 9<<locked>>86%57,609 psi90%2782 fps100%
SNPE Vectan Tubal 3000<<locked>>84%55,492 psi87%2635 fps100%
SNPE Vectan Tubal 3000<<locked>>84%55,622 psi87%2638 fps100%
SNPE Vectan Tubal 5000<<locked>>90%55,985 psi88%2635 fps100%
SNPE Vectan Tubal 5000<<locked>>90%56,115 psi88%2638 fps100%
SNPE Vectan Tubal 7000<<locked>>94%55,535 psi87%2710 fps99.2%
SNPE Vectan Tubal 7000<<locked>>94%55,564 psi87%2713 fps99.2%
SNPE Vectan Tubal 8000ᴾ<<locked>>100%51,358 psi80%2782 fps97.8%
SNPE Vectan Tubal 8000ᴾ<<locked>>100%51,445 psi81%2785 fps97.8%
Somchem S335<<locked>>84%54,940 psi86%2631 fps100%
Somchem S335<<locked>>84%55,042 psi86%2635 fps100%
Somchem S341<<locked>>84%56,637 psi89%2753 fps100%
Somchem S341<<locked>>84%56,507 psi89%2753 fps100%
Somchem S355<<locked>>90%54,360 psi85%2740 fps100%
Somchem S355<<locked>>90%54,230 psi85%2740 fps100%
Somchem S361<<locked>>98%53,940 psi85%2726 fps96%
Somchem S361<<locked>>98%54,215 psi85%2733 fps96%
Somchem S365ᴾ<<locked>>100%57,305 psi90%2861 fps100%
Somchem S365ᴾ<<locked>>100%57,406 psi90%2864 fps100%
Somchem S385ᴾ<<locked>>100%52,475 psi82%2766 fps98.6%
Somchem S385ᴾ<<locked>>100%52,562 psi82%2766 fps98.6%
Vihtavuori N133<<locked>>84%55,956 psi88%2618 fps100%
Vihtavuori N133<<locked>>84%56,086 psi88%2618 fps100%
Vihtavuori N135<<locked>>86%54,795 psi86%2657 fps100%
Vihtavuori N135<<locked>>86%54,926 psi86%2661 fps100%
Vihtavuori N140<<locked>>86%55,506 psi87%2677 fps100%
Vihtavuori N140<<locked>>86%55,622 psi87%2680 fps100%
Vihtavuori N150<<locked>>92%55,651 psi87%2717 fps100%
Vihtavuori N150<<locked>>92%55,753 psi87%2717 fps100%
Vihtavuori N160<<locked>>96%57,348 psi90%2808 fps100%
Vihtavuori N160<<locked>>96%57,450 psi90%2808 fps100%
Vihtavuori N165ᴾ<<locked>>100%45,223 psi71%2635 fps96.9%
Vihtavuori N165ᴾ<<locked>>100%45,295 psi71%2635 fps96.9%
Vihtavuori N530<<locked>>82%54,737 psi86%2703 fps100%
Vihtavuori N530<<locked>>82%54,853 psi86%2707 fps100%
Vihtavuori N540<<locked>>88%57,130 psi90%2723 fps100%
Vihtavuori N540<<locked>>88%57,232 psi90%2726 fps100%
Vihtavuori N550<<locked>>96%56,275 psi88%2815 fps100%
Vihtavuori N550<<locked>>96%56,362 psi88%2815 fps100%
Vihtavuori N555ᴾ<<locked>>100%48,675 psi76%2766 fps100%
Vihtavuori N555ᴾ<<locked>>100%48,776 psi76%2766 fps100%
Winchester 6.5 StaBALL<<locked>>96%57,406 psi90%2782 fps100%
Winchester 6.5 StaBALL<<locked>>96%57,479 psi90%2782 fps100%
Winchester 748<<locked>>82%55,274 psi87%2753 fps100%
Winchester 748<<locked>>82%55,332 psi87%2756 fps100%
Winchester 760<<locked>>94%55,332 psi87%2835 fps99.4%
Winchester 760<<locked>>94%55,419 psi87%2835 fps99.4%
Winchester StaBALL HDᴾ<<locked>>100%39,146 psi61%2730 fps100%
Winchester StaBALL HDᴾ<<locked>>100%39,204 psi61%2733 fps100%
Winchester StaBALL Match<<locked>>84%54,041 psi85%2740 fps100%
Winchester StaBALL Match<<locked>>84%53,925 psi85%2740 fps100%
Winchester Supreme 780ᴾ<<locked>>100%49,182 psi77%2703 fps97%
Winchester Supreme 780ᴾ<<locked>>100%49,240 psi77%2703 fps97.1%

Recommended = one of the top powders for this cartridge and bullet combination.

Start Load - Barrel Length: 26"

PowderChargeFRMaxP%V(0)z
Accurate 2015<<locked>>80%52,895 psi83%2598 fps100%
Accurate 2015<<locked>>80%52,779 psi83%2598 fps100%
Accurate 2495<<locked>>80%45,266 psi71%2536 fps100%
Accurate 2495<<locked>>80%45,397 psi71%2536 fps100%
Accurate 2520<<locked>>80%53,127 psi83%2690 fps100%
Accurate 2520<<locked>>80%53,243 psi83%2690 fps100%
Accurate 2700<<locked>>80%44,382 psi70%2536 fps96.8%
Accurate 2700<<locked>>80%44,469 psi70%2536 fps96.8%
Accurate 3100<<locked>>90%32,576 psi51%2398 fps95.2%
Accurate 3100<<locked>>90%32,503 psi51%2398 fps95.2%
Accurate 4064<<locked>>80%42,902 psi67%2539 fps100%
Accurate 4064<<locked>>80%43,004 psi67%2543 fps100%
Accurate 4350<<locked>>80%31,865 psi50%2395 fps96.9%
Accurate 4350<<locked>>80%31,952 psi50%2395 fps96.9%
Accurate High Country<<locked>>98%47,108 psi74%2795 fps95.8%
Accurate High Country<<locked>>98%47,181 psi74%2795 fps95.9%
ADI AR 2206H<<locked>>80%48,863 psi77%2657 fps100%
ADI AR 2206H<<locked>>80%48,979 psi77%2661 fps100%
ADI AR 2208<<locked>>80%41,524 psi65%2520 fps99.4%
ADI AR 2208<<locked>>80%41,597 psi65%2520 fps99.4%
ADI AR 2209<<locked>>94%44,295 psi69%2651 fps95.8%
ADI AR 2209<<locked>>92%41,611 psi65%2598 fps95%
ADI Benchmark 8208<<locked>>80%51,039 psi80%2657 fps100%
ADI Benchmark 8208<<locked>>80%51,155 psi80%2657 fps100%
Alliant AR-Comp<<locked>>80%52,228 psi82%2625 fps100%
Alliant AR-Comp<<locked>>80%52,315 psi82%2628 fps100%
Alliant Power Pro 2000-MR<<locked>>80%45,078 psi71%2713 fps99.8%
Alliant Power Pro 2000-MR<<locked>>80%45,179 psi71%2717 fps99.9%
Alliant Power Pro Varmint<<locked>>92%41,539 psi65%2598 fps95.1%
Alliant Reloder- TS 15.5<<locked>>80%41,466 psi65%2539 fps100%
Alliant Reloder- TS 15.5<<locked>>80%41,524 psi65%2543 fps100%
Alliant Reloder-15<<locked>>80%44,440 psi70%2602 fps99.8%
Alliant Reloder-15<<locked>>80%44,512 psi70%2605 fps99.8%
Alliant Reloder-16<<locked>>80%32,082 psi50%2411 fps97.1%
Alliant Reloder-16<<locked>>80%32,155 psi50%2411 fps97.1%
Alliant Reloder-1764.2 gr80%35,984 psi56%2533 fps99.5%
Alliant Reloder-1764.2 gr80%36,027 psi56%2533 fps99.5%
Alliant Reloder-19<<locked>>92%40,959 psi64%2589 fps95%
Alliant Reloder-19<<locked>>92%41,017 psi64%2592 fps95%
Alliant Reloder-22<<locked>>96%40,567 psi64%2631 fps95.1%
Alliant Reloder-22<<locked>>96%40,640 psi64%2631 fps95.1%
Alliant Reloder-23<<locked>>84%26,223 psi41%2277 fps96%
Alliant Reloder-23<<locked>>82%24,656 psi39%2224 fps95%
Alliant Reloder-25<<locked>>94%31,633 psi50%2434 fps95%
Alliant Reloder-25<<locked>>94%31,691 psi50%2438 fps95%
Alliant Reloder-26<<locked>>86%29,805 psi47%2434 fps95.2%
Alliant Reloder-26<<locked>>86%29,878 psi47%2438 fps95.3%
Baschieri & Pellagri 107<<locked>>80%48,530 psi76%2674 fps99.9%
Baschieri & Pellagri 107<<locked>>80%48,631 psi76%2674 fps99.9%
Bofors RP3<<locked>>80%41,278 psi65%2546 fps100%
Bofors RP3<<locked>>80%41,394 psi65%2549 fps100%
Bofors RP5<<locked>>96%40,567 psi64%2631 fps95.1%
Bofors RP5<<locked>>96%40,640 psi64%2631 fps95.1%
Bofors RP7<<locked>>82%39,349 psi62%2474 fps95.7%
Bofors RP7<<locked>>82%39,407 psi62%2477 fps95.7%
Hodgdon Benchmark<<locked>>80%52,562 psi82%2638 fps100%
Hodgdon Benchmark<<locked>>80%52,678 psi83%2641 fps100%
Hodgdon BL-C2<<locked>>80%50,372 psi79%2684 fps100%
Hodgdon BL-C2<<locked>>80%50,459 psi79%2687 fps100%
Hodgdon H380<<locked>>80%41,887 psi66%2552 fps98.8%
Hodgdon H380<<locked>>80%41,989 psi66%2556 fps98.9%
Hodgdon H414<<locked>>82%36,753 psi58%2500 fps95.6%
Hodgdon H414<<locked>>82%36,811 psi58%2503 fps95.6%
Hodgdon H4350<<locked>>82%40,001 psi63%2523 fps95%
Hodgdon H4350<<locked>>82%40,074 psi63%2523 fps95.1%
Hodgdon H4895<<locked>>80%49,385 psi77%2667 fps100%
Hodgdon H4895<<locked>>80%49,501 psi78%2671 fps100%
Hodgdon Hybrid 100V<<locked>>80%29,472 psi46%2310 fps97.7%
Hodgdon Hybrid 100V<<locked>>80%29,544 psi46%2313 fps97.7%
Hodgdon LEVERevolution<<locked>>80%45,701 psi72%2651 fps100%
Hodgdon LEVERevolution<<locked>>80%45,759 psi72%2651 fps100%
Hodgdon Superformance<<locked>>84%38,435 psi60%2566 fps95.6%
Hodgdon Superformance<<locked>>84%38,508 psi60%2566 fps95.6%
Hodgdon TrailBoss<<locked>>80%26,701 psi42%1496 fps100%
Hodgdon TrailBoss<<locked>>80%26,672 psi42%1496 fps100%
Hodgdon VARGET<<locked>>80%47,326 psi74%2621 fps100%
Hodgdon VARGET<<locked>>80%47,442 psi74%2625 fps100%
IMR 3031<<locked>>80%49,763 psi78%2651 fps100%
IMR 3031<<locked>>80%49,676 psi78%2648 fps100%
IMR 4064<<locked>>80%43,613 psi68%2549 fps99.7%
IMR 4064<<locked>>80%43,729 psi69%2552 fps99.7%
IMR 4166 Enduron<<locked>>80%46,035 psi72%2575 fps97.9%
IMR 4166 Enduron<<locked>>80%46,137 psi72%2579 fps97.9%
IMR 4350<<locked>>84%37,289 psi58%2454 fps95%
IMR 4350<<locked>>84%37,347 psi59%2454 fps95%
IMR 4451 Enduron<<locked>>80%38,464 psi60%2454 fps95.9%
IMR 4451 Enduron<<locked>>80%38,566 psi60%2457 fps95.9%
IMR 4831<<locked>>80%30,995 psi49%2356 fps96.6%
IMR 4831<<locked>>80%31,067 psi49%2356 fps96.6%
IMR 4895<<locked>>80%45,556 psi71%2631 fps100%
IMR 4895<<locked>>80%45,672 psi72%2635 fps100%
IMR 4955 Enduron<<locked>>98%50,502 psi79%2697 fps95.5%
IMR 4955 Enduron<<locked>>98%50,575 psi79%2700 fps95.5%
IMR 8208 XBR<<locked>>80%51,039 psi80%2657 fps100%
IMR 8208 XBR<<locked>>80%51,155 psi80%2657 fps100%
Lovex D073.6<<locked>>80%48,530 psi76%2635 fps100%
Lovex D073.6<<locked>>80%48,646 psi76%2635 fps100%
Lovex S060<<locked>>80%48,573 psi76%2592 fps100%
Lovex S060<<locked>>80%48,443 psi76%2592 fps100%
Lovex S062<<locked>>80%43,700 psi68%2549 fps100%
Lovex S062<<locked>>80%43,613 psi68%2549 fps100%
Lovex S065<<locked>>80%35,766 psi56%2405 fps96.6%
Lovex S065<<locked>>80%35,853 psi56%2408 fps96.7%
Lovex S070<<locked>>82%36,289 psi57%2434 fps95.6%
Lovex S070<<locked>>82%36,201 psi57%2434 fps95.6%
Lovex S071<<locked>>96%33,489 psi52%2418 fps95.6%
Lovex S071<<locked>>96%33,417 psi52%2418 fps95.6%
Norma 201<<locked>>80%47,732 psi75%2605 fps100%
Norma 201<<locked>>80%47,834 psi75%2608 fps100%
Norma 202<<locked>>80%48,269 psi76%2605 fps100%
Norma 202<<locked>>80%48,370 psi76%2608 fps100%
Norma 203B<<locked>>80%43,772 psi69%2592 fps99.9%
Norma 203B<<locked>>80%43,888 psi69%2595 fps99.9%
Norma 204<<locked>>88%42,018 psi66%2589 fps95.1%
Norma 204<<locked>>88%42,105 psi66%2592 fps95.1%
Norma MRP<<locked>>92%37,159 psi58%2589 fps95.5%
Norma MRP<<locked>>92%37,231 psi58%2589 fps95.5%
Norma URP<<locked>>80%32,198 psi50%2395 fps96.8%
Norma URP<<locked>>80%32,285 psi51%2398 fps96.8%
Ramshot Big Game<<locked>>80%43,787 psi69%2612 fps99.8%
Ramshot Big Game<<locked>>80%43,830 psi69%2615 fps99.9%
Ramshot Hunter<<locked>>82%33,605 psi53%2438 fps95.4%
Ramshot Hunter<<locked>>82%33,692 psi53%2438 fps95.4%
Ramshot TAC<<locked>>80%50,981 psi80%2680 fps99.6%
Ramshot TAC<<locked>>80%51,068 psi80%2680 fps99.6%
Ramshot Wild Boar<<locked>>80%50,836 psi80%2694 fps100%
Ramshot Wild Boar<<locked>>80%50,937 psi80%2697 fps100%
ReloadSwiss RS 14<<locked>>80%27,093 psi42%1532 fps100%
ReloadSwiss RS 14<<locked>>80%27,064 psi42%1532 fps100%
ReloadSwiss RS 50<<locked>>80%42,337 psi66%2543 fps97.7%
ReloadSwiss RS 50<<locked>>80%42,395 psi66%2543 fps97.7%
ReloadSwiss RS 52<<locked>>80%47,587 psi75%2713 fps99.9%
ReloadSwiss RS 52<<locked>>80%47,718 psi75%2713 fps99.9%
ReloadSwiss RS 6064.2 gr80%38,319 psi60%2589 fps100%
ReloadSwiss RS 6064.2 gr80%38,421 psi60%2592 fps100%
ReloadSwiss RS 62<<locked>>80%31,662 psi50%2408 fps96.4%
ReloadSwiss RS 62<<locked>>80%31,720 psi50%2411 fps96.4%
ReloadSwiss RS 7065.2 gr80%31,517 psi49%2415 fps95.5%
ReloadSwiss RS 7065.2 gr80%31,589 psi50%2418 fps95.5%
Rottweil R 901<<locked>>80%51,750 psi81%2631 fps100%
Rottweil R 901<<locked>>80%51,634 psi81%2631 fps100%
Rottweil R 902<<locked>>80%45,368 psi71%2559 fps100%
Rottweil R 902<<locked>>80%45,440 psi71%2562 fps100%
Rottweil R 903<<locked>>80%38,725 psi61%2493 fps99.7%
Rottweil R 903<<locked>>80%38,798 psi61%2493 fps99.7%
Rottweil R 904<<locked>>94%45,992 psi72%2628 fps95%
Rottweil R 904<<locked>>94%46,064 psi72%2631 fps95.1%
Rottweil R 905<<locked>>94%42,453 psi67%2625 fps95.7%
Rottweil R 905<<locked>>94%42,511 psi67%2628 fps95.8%
Rottweil R 907<<locked>>82%39,349 psi62%2474 fps95.7%
Rottweil R 907<<locked>>82%39,407 psi62%2477 fps95.7%
Shooters World Long Rifle<<locked>>80%35,766 psi56%2405 fps96.6%
Shooters World Long Rifle<<locked>>80%35,853 psi56%2408 fps96.7%
Shooters World Match Rifle<<locked>>80%48,530 psi76%2635 fps100%
Shooters World Match Rifle<<locked>>80%48,646 psi76%2635 fps100%
Shooters World Precision<<locked>>80%43,700 psi68%2549 fps100%
Shooters World Precision<<locked>>80%43,613 psi68%2549 fps100%
Shooters World SW4350<<locked>>82%36,289 psi57%2434 fps95.6%
Shooters World SW4350<<locked>>82%36,201 psi57%2434 fps95.6%
SNPE Vectan SP 11<<locked>>80%39,987 psi63%2546 fps99.5%
SNPE Vectan SP 11<<locked>>80%40,089 psi63%2549 fps99.6%
SNPE Vectan SP 7<<locked>>80%49,530 psi78%2657 fps99.7%
SNPE Vectan SP 7<<locked>>80%49,603 psi78%2661 fps99.7%
SNPE Vectan SP 9<<locked>>80%47,384 psi74%2631 fps100%
SNPE Vectan SP 9<<locked>>80%47,485 psi74%2635 fps100%
SNPE Vectan Tubal 3000<<locked>>80%48,979 psi77%2546 fps100%
SNPE Vectan Tubal 3000<<locked>>80%49,081 psi77%2549 fps100%
SNPE Vectan Tubal 5000<<locked>>80%41,046 psi64%2421 fps100%
SNPE Vectan Tubal 5000<<locked>>80%41,104 psi64%2425 fps100%
SNPE Vectan Tubal 7000<<locked>>82%37,405 psi59%2402 fps95.7%
SNPE Vectan Tubal 7000<<locked>>82%37,478 psi59%2405 fps95.8%
SNPE Vectan Tubal 8000<<locked>>94%42,047 psi66%2621 fps95.6%
SNPE Vectan Tubal 8000<<locked>>94%42,105 psi66%2621 fps95.6%
Somchem S335<<locked>>80%48,602 psi76%2546 fps100%
Somchem S335<<locked>>80%48,675 psi76%2549 fps100%
Somchem S341<<locked>>80%49,356 psi77%2651 fps100%
Somchem S341<<locked>>80%49,458 psi78%2651 fps100%
Somchem S355<<locked>>80%39,508 psi62%2497 fps99.7%
Somchem S355<<locked>>80%39,624 psi62%2500 fps99.7%
Somchem S361<<locked>>96%50,430 psi79%2674 fps95.2%
Somchem S361<<locked>>96%50,502 psi79%2677 fps95.2%
Somchem S365<<locked>>80%28,863 psi45%2352 fps98.8%
Somchem S365<<locked>>80%28,950 psi45%2356 fps98.8%
Somchem S385<<locked>>90%37,608 psi59%2500 fps95.1%
Somchem S385<<locked>>90%37,695 psi59%2503 fps95.2%
Vihtavuori N133<<locked>>80%49,501 psi78%2533 fps100%
Vihtavuori N133<<locked>>80%49,603 psi78%2536 fps100%
Vihtavuori N135<<locked>>80%45,382 psi71%2530 fps100%
Vihtavuori N135<<locked>>80%45,484 psi71%2533 fps100%
Vihtavuori N140<<locked>>80%45,701 psi72%2543 fps100%
Vihtavuori N140<<locked>>80%45,803 psi72%2543 fps100%
Vihtavuori N150<<locked>>80%37,536 psi59%2431 fps99.9%
Vihtavuori N150<<locked>>80%37,637 psi59%2434 fps99.9%
Vihtavuori N160<<locked>>80%33,634 psi53%2398 fps97.2%
Vihtavuori N160<<locked>>80%33,721 psi53%2402 fps97.2%
Vihtavuori N165<<locked>>96%39,508 psi62%2526 fps95.2%
Vihtavuori N165<<locked>>96%39,581 psi62%2530 fps95.3%
Vihtavuori N530<<locked>>80%51,329 psi80%2654 fps100%
Vihtavuori N530<<locked>>80%51,445 psi81%2657 fps100%
Vihtavuori N540<<locked>>80%44,034 psi69%2536 fps100%
Vihtavuori N540<<locked>>80%44,106 psi69%2539 fps100%
Vihtavuori N550<<locked>>80%33,054 psi52%2398 fps96.8%
Vihtavuori N550<<locked>>80%33,141 psi52%2402 fps96.9%
Vihtavuori N555<<locked>>82%26,426 psi41%2290 fps95.1%
Vihtavuori N555<<locked>>82%26,484 psi42%2293 fps95.2%
Winchester 6.5 StaBALL<<locked>>80%33,257 psi52%2375 fps99%
Winchester 6.5 StaBALL<<locked>>80%33,286 psi52%2379 fps99%
Winchester 748<<locked>>80%51,605 psi81%2703 fps100%
Winchester 748<<locked>>80%51,721 psi81%2707 fps100%
Winchester 760<<locked>>82%36,753 psi58%2500 fps95.6%
Winchester 760<<locked>>82%36,811 psi58%2503 fps95.6%
Winchester StaBALL HD<<locked>>86%24,468 psi38%2290 fps95.4%
Winchester StaBALL HD<<locked>>86%24,526 psi38%2293 fps95.5%
Winchester StaBALL Match<<locked>>80%47,050 psi74%2635 fps100%
Winchester StaBALL Match<<locked>>80%47,166 psi74%2638 fps100%
Winchester Supreme 780<<locked>>96%42,772 psi67%2592 fps95.4%
Winchester Supreme 780<<locked>>96%42,844 psi67%2592 fps95.5%

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.

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This overview compares 217 powders for .340 Weath. Mag. loaded with the .338 | 227gr | CutEdge MTAC. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 2,890 fps; across all powders the maximum-charge window runs from 1,673 fps to 2,890 fps. Accurate 3100 gives the best case fill at 100 %, and 217 of the 217 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 227.0 gr projectile in 0.338" calls for a 1:11.5 twist; slower twists will usually not stabilise this weight. Accurate 3100, Accurate 3100, Accurate High Country 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-17, ReloadSwiss RS 60 rank at the top here: for .340 Weath. Mag. with the .338 | 227gr | CutEdge MTAC 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.

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