Load data for .340 Weath. Mag. + .338 | 220gr | Peregrine Glider (Glider GRM)

.340 Weath. Mag. cartridge drawing
Peregrine logo

Load Specifications

Bullet Manufacturer:Peregrine
Bullet Weight:220 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:1:11.0

Load data in caliber .340 Weath. Mag. with .338 | 220gr | Peregrine Glider (Glider GRM) bullet and 218 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 70, Hodgdon Superformance 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: 26"

PowderChargeFRMaxP%V(0)z
Accurate 2015<<locked>>82%54,853 psi86%2667 fps100%
Accurate 2015<<locked>>82%54,911 psi86%2667 fps100%
Accurate 2495<<locked>>88%57,188 psi90%2736 fps100%
Accurate 2495<<locked>>88%57,450 psi90%2740 fps100%
Accurate 2520<<locked>>82%55,405 psi87%2762 fps100%
Accurate 2520<<locked>>82%55,680 psi87%2766 fps100%
Accurate 2700<<locked>>88%56,362 psi88%2762 fps98.6%
Accurate 2700<<locked>>88%56,594 psi89%2769 fps98.6%
Accurate 3100ᴾ<<locked>>100%44,628 psi70%2677 fps98.3%
Accurate 3100ᴾ<<locked>>100%44,628 psi70%2677 fps98.3%
Accurate 4064<<locked>>90%57,319 psi90%2789 fps100%
Accurate 4064<<locked>>90%57,624 psi90%2792 fps100%
Accurate 4350<<locked>>96%54,172 psi85%2844 fps100%
Accurate 4350<<locked>>96%54,433 psi85%2848 fps100%
ADI AR 2206H<<locked>>84%54,317 psi85%2782 fps100%
ADI AR 2206H<<locked>>84%54,331 psi85%2782 fps100%
ADI AR 2208<<locked>>90%55,317 psi87%2782 fps100%
ADI AR 2208<<locked>>90%55,564 psi87%2789 fps100%
ADI AR 2209ᴾ<<locked>>100%52,402 psi82%2828 fps97.3%
ADI AR 2209ᴾ<<locked>>100%52,576 psi82%2831 fps97.4%
ADI Benchmark 8208<<locked>>84%56,724 psi89%2779 fps100%
ADI Benchmark 8208<<locked>>84%56,710 psi89%2779 fps100%
Alliant AR-Comp<<locked>>82%54,346 psi85%2697 fps100%
Alliant AR-Comp<<locked>>82%54,418 psi85%2700 fps100%
Alliant Power Pro 2000-MR<<locked>>86%54,244 psi85%2907 fps100%
Alliant Power Pro 2000-MR<<locked>>86%54,244 psi85%2907 fps100%
Alliant Power Pro Varmintᴾ<<locked>>100%52,344 psi82%2828 fps97.4%
Alliant Power Pro Varmintᴾ<<locked>>100%52,301 psi82%2828 fps97.4%
Alliant Reloder- TS 15.5<<locked>>90%55,521 psi87%2805 fps100%
Alliant Reloder- TS 15.5<<locked>>90%55,767 psi87%2808 fps100%
Alliant Reloder-15<<locked>>88%56,043 psi88%2828 fps100%
Alliant Reloder-15<<locked>>88%56,275 psi88%2831 fps100%
Alliant Reloder-16<<locked>>98%55,477 psi87%2900 fps100%
Alliant Reloder-16<<locked>>98%55,492 psi87%2904 fps100%
Alliant Reloder-17<<locked>>94%56,927 psi89%2933 fps100%
Alliant Reloder-17<<locked>>94%56,898 psi89%2936 fps100%
Alliant Reloder-19ᴾ<<locked>>100%51,503 psi81%2818 fps97.3%
Alliant Reloder-19ᴾ<<locked>>100%51,488 psi81%2818 fps97.3%
Alliant Reloder-22ᴾ<<locked>>100%45,005 psi71%2753 fps96%
Alliant Reloder-22ᴾ<<locked>>100%45,194 psi71%2756 fps96%
Alliant Reloder-23ᴾ<<locked>>100%42,308 psi66%2703 fps99.9%
Alliant Reloder-23ᴾ<<locked>>100%42,496 psi67%2710 fps100%
Alliant Reloder-25ᴾ<<locked>>100%37,086 psi58%2608 fps96.9%
Alliant Reloder-25ᴾ<<locked>>100%37,231 psi58%2612 fps97%
Alliant Reloder-26ᴾ<<locked>>100%47,819 psi75%2877 fps99.8%
Alliant Reloder-26ᴾ<<locked>>100%48,037 psi75%2884 fps99.8%
Baschieri & Pellagri 107<<locked>>84%54,012 psi85%2799 fps100%
Baschieri & Pellagri 107<<locked>>84%54,230 psi85%2802 fps100%
Bofors RP3<<locked>>90%56,202 psi88%2818 fps100%
Bofors RP3<<locked>>90%56,231 psi88%2822 fps100%
Bofors RP5ᴾ<<locked>>100%45,005 psi71%2753 fps96%
Bofors RP5ᴾ<<locked>>100%45,194 psi71%2756 fps96%
Bofors RP7<<locked>>94%56,159 psi88%2802 fps98.7%
Bofors RP7<<locked>>94%56,144 psi88%2802 fps98.7%
Hodgdon Benchmark<<locked>>82%54,723 psi86%2710 fps100%
Hodgdon Benchmark<<locked>>82%54,723 psi86%2710 fps100%
Hodgdon BL-C2<<locked>>84%56,144 psi88%2808 fps100%
Hodgdon BL-C2<<locked>>84%56,376 psi88%2812 fps100%
Hodgdon H380<<locked>>90%57,000 psi89%2838 fps100%
Hodgdon H380<<locked>>90%57,217 psi90%2841 fps100%
Hodgdon H414<<locked>>96%57,101 psi89%2900 fps99.3%
Hodgdon H414<<locked>>96%57,334 psi90%2904 fps99.4%
Hodgdon H4350<<locked>>94%57,595 psi90%2861 fps98.5%
Hodgdon H4350<<locked>>94%57,595 psi90%2864 fps98.5%
Hodgdon H4895<<locked>>84%54,882 psi86%2792 fps100%
Hodgdon H4895<<locked>>84%54,897 psi86%2792 fps100%
Hodgdon Hybrid 100Vᴾ<<locked>>100%55,492 psi87%2825 fps100%
Hodgdon Hybrid 100Vᴾ<<locked>>100%55,492 psi87%2825 fps100%
Hodgdon LEVERevolution<<locked>>86%54,578 psi86%2825 fps100%
Hodgdon LEVERevolution<<locked>>86%54,810 psi86%2828 fps100%
Hodgdon Superformance<<locked>>94%53,780 psi84%2884 fps98.8%
Hodgdon Superformance<<locked>>94%53,780 psi84%2884 fps98.8%
Hodgdon TrailBossᴾ<<locked>>100%35,737 psi56%1699 fps100%
Hodgdon TrailBossᴾ<<locked>>100%35,839 psi56%1699 fps100%
Hodgdon VARGET<<locked>>86%56,115 psi88%2792 fps100%
Hodgdon VARGET<<locked>>86%56,130 psi88%2795 fps100%
IMR 3031<<locked>>84%55,114 psi86%2766 fps100%
IMR 3031<<locked>>84%55,129 psi86%2766 fps100%
IMR 4064<<locked>>88%54,766 psi86%2766 fps100%
IMR 4064<<locked>>88%54,998 psi86%2769 fps100%
IMR 4166 Enduron<<locked>>86%54,447 psi85%2749 fps98.9%
IMR 4166 Enduron<<locked>>86%54,679 psi86%2756 fps98.9%
IMR 4350<<locked>>98%56,608 psi89%2828 fps98.8%
IMR 4350<<locked>>98%56,826 psi89%2835 fps98.9%
IMR 4451 Enduron<<locked>>92%54,534 psi85%2779 fps98.9%
IMR 4451 Enduron<<locked>>92%54,752 psi86%2785 fps98.9%
IMR 4831<<locked>>98%54,708 psi86%2835 fps100%
IMR 4831<<locked>>98%54,926 psi86%2838 fps100%
IMR 4895<<locked>>88%57,493 psi90%2854 fps100%
IMR 4895<<locked>>88%57,740 psi90%2861 fps100%
IMR 8208 XBR<<locked>>84%56,724 psi89%2779 fps100%
IMR 8208 XBR<<locked>>84%56,710 psi89%2779 fps100%
Lovex D073.6<<locked>>84%53,998 psi85%2753 fps100%
Lovex D073.6<<locked>>84%54,041 psi85%2753 fps100%
Lovex S060<<locked>>86%56,956 psi89%2756 fps100%
Lovex S060<<locked>>86%57,000 psi89%2756 fps100%
Lovex S062<<locked>>88%54,679 psi86%2759 fps100%
Lovex S062<<locked>>88%54,708 psi86%2762 fps100%
Lovex S065<<locked>>96%57,363 psi90%2822 fps99.8%
Lovex S065<<locked>>96%57,595 psi90%2825 fps99.8%
Lovex S070<<locked>>96%54,984 psi86%2812 fps99.2%
Lovex S070<<locked>>96%55,187 psi86%2815 fps99.2%
Lovex S071ᴾ<<locked>>100%36,753 psi58%2526 fps96.3%
Lovex S071ᴾ<<locked>>100%36,970 psi58%2533 fps96.4%
Norma 201<<locked>>86%56,347 psi88%2772 fps100%
Norma 201<<locked>>86%56,391 psi88%2776 fps100%
Norma 202<<locked>>86%56,985 psi89%2769 fps100%
Norma 202<<locked>>86%57,261 psi90%2772 fps100%
Norma 203B<<locked>>88%55,216 psi87%2815 fps100%
Norma 203B<<locked>>88%55,463 psi87%2818 fps100%
Norma 204<<locked>>98%57,624 psi90%2887 fps98.1%
Norma 204<<locked>>98%57,566 psi90%2887 fps98.1%
Norma MRPᴾ<<locked>>100%47,558 psi75%2835 fps98%
Norma MRPᴾ<<locked>>100%47,514 psi74%2835 fps98%
Norma URP<<locked>>98%56,898 psi89%2884 fps100%
Norma URP<<locked>>98%57,101 psi89%2887 fps100%
Ramshot Big Game<<locked>>88%56,101 psi88%2841 fps100%
Ramshot Big Game<<locked>>88%56,086 psi88%2844 fps100%
Ramshot Hunter<<locked>>98%55,825 psi87%2887 fps99.6%
Ramshot Hunter<<locked>>98%55,782 psi87%2887 fps99.6%
Ramshot TAC<<locked>>84%56,942 psi89%2808 fps99.8%
Ramshot TAC<<locked>>84%56,927 psi89%2808 fps99.8%
Ramshot Wild Boar<<locked>>84%56,608 psi89%2818 fps100%
Ramshot Wild Boar<<locked>>84%56,855 psi89%2825 fps100%
Ramshot X-Terminator<<locked>>82%57,261 psi90%2779 fps100%
Ramshot X-Terminator<<locked>>82%57,479 psi90%2782 fps100%
ReloadSwiss RS 14ᴾ<<locked>>100%36,260 psi57%1739 fps100%
ReloadSwiss RS 14ᴾ<<locked>>100%36,158 psi57%1739 fps100%
ReloadSwiss RS 50<<locked>>90%57,290 psi90%2825 fps99.5%
ReloadSwiss RS 50<<locked>>90%57,261 psi90%2825 fps99.5%
ReloadSwiss RS 52<<locked>>86%56,855 psi89%2894 fps100%
ReloadSwiss RS 52<<locked>>86%57,145 psi90%2900 fps100%
ReloadSwiss RS 60<<locked>>92%56,579 psi89%2927 fps100%
ReloadSwiss RS 60<<locked>>92%56,550 psi89%2930 fps100%
ReloadSwiss RS 62<<locked>>96%54,041 psi85%2871 fps100%
ReloadSwiss RS 62<<locked>>96%54,302 psi85%2874 fps100%
ReloadSwiss RS 70<<locked>>98%57,145 psi90%2956 fps100%
ReloadSwiss RS 70<<locked>>98%57,392 psi90%2959 fps100%
Rottweil R 901<<locked>>84%57,072 psi89%2746 fps100%
Rottweil R 901<<locked>>84%57,116 psi90%2749 fps100%
Rottweil R 902<<locked>>88%56,797 psi89%2769 fps100%
Rottweil R 902<<locked>>88%56,797 psi89%2769 fps100%
Rottweil R 903<<locked>>92%56,072 psi88%2812 fps100%
Rottweil R 903<<locked>>92%56,101 psi88%2812 fps100%
Rottweil R 904ᴾ<<locked>>100%54,331 psi85%2802 fps96.5%
Rottweil R 904ᴾ<<locked>>100%54,302 psi85%2802 fps96.5%
Rottweil R 905ᴾ<<locked>>100%50,299 psi79%2802 fps97.2%
Rottweil R 905ᴾ<<locked>>100%50,256 psi79%2802 fps97.3%
Rottweil R 907<<locked>>94%56,159 psi88%2802 fps98.7%
Rottweil R 907<<locked>>94%56,144 psi88%2802 fps98.7%
Shooters World Long Rifle<<locked>>96%57,363 psi90%2822 fps99.8%
Shooters World Long Rifle<<locked>>96%57,595 psi90%2825 fps99.8%
Shooters World Match Rifle<<locked>>84%53,998 psi85%2753 fps100%
Shooters World Match Rifle<<locked>>84%54,041 psi85%2753 fps100%
Shooters World Precision<<locked>>88%54,679 psi86%2759 fps100%
Shooters World Precision<<locked>>88%54,708 psi86%2762 fps100%
Shooters World SW4350<<locked>>96%54,984 psi86%2812 fps99.2%
Shooters World SW4350<<locked>>96%55,187 psi86%2815 fps99.2%
SNPE Vectan SP 11<<locked>>90%54,476 psi85%2828 fps100%
SNPE Vectan SP 11<<locked>>90%54,462 psi85%2828 fps100%
SNPE Vectan SP 7<<locked>>84%55,288 psi87%2782 fps99.9%
SNPE Vectan SP 7<<locked>>84%55,521 psi87%2789 fps99.9%
SNPE Vectan SP 9<<locked>>86%56,115 psi88%2805 fps100%
SNPE Vectan SP 9<<locked>>86%56,362 psi88%2808 fps100%
SNPE Vectan Tubal 3000<<locked>>86%57,682 psi90%2703 fps100%
SNPE Vectan Tubal 3000<<locked>>86%57,682 psi90%2703 fps100%
SNPE Vectan Tubal 5000<<locked>>90%54,737 psi86%2661 fps100%
SNPE Vectan Tubal 5000<<locked>>90%54,766 psi86%2661 fps100%
SNPE Vectan Tubal 7000<<locked>>94%53,954 psi85%2726 fps98.8%
SNPE Vectan Tubal 7000<<locked>>94%54,172 psi85%2730 fps98.9%
SNPE Vectan Tubal 8000ᴾ<<locked>>100%49,821 psi78%2795 fps97.1%
SNPE Vectan Tubal 8000ᴾ<<locked>>100%49,777 psi78%2795 fps97.1%
Somchem S335<<locked>>86%57,145 psi90%2703 fps100%
Somchem S335<<locked>>86%57,145 psi90%2703 fps100%
Somchem S341<<locked>>84%55,042 psi86%2772 fps100%
Somchem S341<<locked>>84%55,259 psi87%2776 fps100%
Somchem S355<<locked>>92%56,202 psi88%2808 fps100%
Somchem S355<<locked>>92%56,434 psi88%2812 fps100%
Somchem S361ᴾ<<locked>>100%56,173 psi88%2795 fps96%
Somchem S361ᴾ<<locked>>100%56,347 psi88%2799 fps96%
Somchem S365ᴾ<<locked>>100%55,230 psi87%2881 fps100%
Somchem S365ᴾ<<locked>>100%55,448 psi87%2884 fps100%
Somchem S385ᴾ<<locked>>100%50,966 psi80%2779 fps98.1%
Somchem S385ᴾ<<locked>>100%51,140 psi80%2782 fps98.1%
Vihtavuori N130<<locked>>82%57,203 psi90%2657 fps100%
Vihtavuori N130<<locked>>82%57,493 psi90%2661 fps100%
Vihtavuori N133<<locked>>84%54,737 psi86%2644 fps100%
Vihtavuori N133<<locked>>84%54,752 psi86%2644 fps100%
Vihtavuori N135<<locked>>88%57,014 psi89%2730 fps100%
Vihtavuori N135<<locked>>88%57,058 psi89%2730 fps100%
Vihtavuori N140<<locked>>88%57,711 psi90%2749 fps100%
Vihtavuori N140<<locked>>88%57,711 psi90%2749 fps100%
Vihtavuori N150<<locked>>92%54,259 psi85%2740 fps100%
Vihtavuori N150<<locked>>92%54,288 psi85%2740 fps100%
Vihtavuori N160<<locked>>96%55,753 psi87%2828 fps100%
Vihtavuori N160<<locked>>96%55,999 psi88%2831 fps100%
Vihtavuori N165ᴾ<<locked>>100%43,888 psi69%2644 fps96.1%
Vihtavuori N165ᴾ<<locked>>100%43,903 psi69%2644 fps96.1%
Vihtavuori N530<<locked>>84%57,246 psi90%2779 fps100%
Vihtavuori N530<<locked>>84%57,290 psi90%2779 fps100%
Vihtavuori N540<<locked>>88%55,782 psi87%2749 fps100%
Vihtavuori N540<<locked>>88%55,767 psi87%2749 fps100%
Vihtavuori N550<<locked>>96%54,708 psi86%2835 fps99.9%
Vihtavuori N550<<locked>>96%54,940 psi86%2838 fps100%
Vihtavuori N555ᴾ<<locked>>100%47,021 psi74%2779 fps99.9%
Vihtavuori N555ᴾ<<locked>>100%47,036 psi74%2779 fps99.9%
Winchester 6.5 StaBALL<<locked>>96%55,898 psi88%2802 fps100%
Winchester 6.5 StaBALL<<locked>>96%55,840 psi88%2802 fps100%
Winchester 748<<locked>>84%57,363 psi90%2822 fps100%
Winchester 748<<locked>>84%57,638 psi90%2828 fps100%
Winchester 760<<locked>>96%57,334 psi90%2904 fps99.3%
Winchester 760<<locked>>96%57,566 psi90%2907 fps99.4%
Winchester StaBALL HDᴾ<<locked>>100%37,739 psi59%2730 fps100%
Winchester StaBALL HDᴾ<<locked>>100%37,898 psi59%2736 fps100%
Winchester StaBALL Match<<locked>>86%56,086 psi88%2812 fps100%
Winchester StaBALL Match<<locked>>86%56,376 psi88%2815 fps100%
Winchester Supreme 780ᴾ<<locked>>100%47,805 psi75%2717 fps96.3%
Winchester Supreme 780ᴾ<<locked>>100%47,964 psi75%2720 fps96.4%

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%51,663 psi81%2625 fps100%
Accurate 2015<<locked>>80%51,706 psi81%2625 fps100%
Accurate 2495<<locked>>80%43,990 psi69%2556 fps100%
Accurate 2495<<locked>>80%44,048 psi69%2559 fps100%
Accurate 2520<<locked>>80%51,764 psi81%2713 fps100%
Accurate 2520<<locked>>80%51,996 psi81%2717 fps100%
Accurate 2700<<locked>>80%43,323 psi68%2549 fps96.1%
Accurate 2700<<locked>>80%43,323 psi68%2552 fps96.1%
Accurate 3100<<locked>>92%33,692 psi53%2457 fps95.2%
Accurate 3100<<locked>>92%33,707 psi53%2461 fps95.3%
Accurate 4064<<locked>>80%41,669 psi65%2559 fps100%
Accurate 4064<<locked>>80%41,698 psi65%2562 fps100%
Accurate 4350<<locked>>80%30,792 psi48%2402 fps96%
Accurate 4350<<locked>>80%30,850 psi48%2402 fps96.1%
ADI AR 2206H<<locked>>80%47,688 psi75%2680 fps100%
ADI AR 2206H<<locked>>80%47,718 psi75%2680 fps100%
ADI AR 2208<<locked>>80%40,524 psi64%2536 fps99.1%
ADI AR 2208<<locked>>80%40,538 psi64%2536 fps99.1%
ADI AR 2209<<locked>>94%43,163 psi68%2661 fps95%
ADI AR 2209<<locked>>94%43,149 psi68%2664 fps95%
ADI Benchmark 8208<<locked>>80%49,864 psi78%2680 fps100%
ADI Benchmark 8208<<locked>>80%49,879 psi78%2680 fps100%
Alliant AR-Comp<<locked>>80%50,821 psi80%2651 fps100%
Alliant AR-Comp<<locked>>80%50,850 psi80%2651 fps100%
Alliant Power Pro 2000-MR<<locked>>80%43,845 psi69%2730 fps99.6%
Alliant Power Pro 2000-MR<<locked>>80%43,859 psi69%2733 fps99.6%
Alliant Power Pro Varmint<<locked>>94%42,975 psi67%2661 fps95.1%
Alliant Power Pro Varmint<<locked>>94%42,989 psi67%2664 fps95.1%
Alliant Reloder- TS 15.5<<locked>>80%40,350 psi63%2556 fps99.8%
Alliant Reloder- TS 15.5<<locked>>80%40,379 psi63%2559 fps99.8%
Alliant Reloder-15<<locked>>80%43,294 psi68%2621 fps99.5%
Alliant Reloder-15<<locked>>80%43,308 psi68%2621 fps99.5%
Alliant Reloder-16<<locked>>80%31,212 psi49%2418 fps96.2%
Alliant Reloder-16<<locked>>80%31,270 psi49%2421 fps96.3%
Alliant Reloder-1764.1 gr80%34,911 psi55%2543 fps99%
Alliant Reloder-1764.1 gr80%34,954 psi55%2543 fps99%
Alliant Reloder-19<<locked>>94%42,438 psi67%2654 fps95%
Alliant Reloder-19<<locked>>94%42,438 psi67%2654 fps95%
Alliant Reloder-22<<locked>>98%42,003 psi66%2694 fps95.1%
Alliant Reloder-22<<locked>>98%42,163 psi66%2700 fps95.1%
Alliant Reloder-23<<locked>>84%25,440 psi40%2280 fps95%
Alliant Reloder-23<<locked>>84%25,469 psi40%2280 fps95%
Alliant Reloder-25<<locked>>96%32,735 psi51%2497 fps95%
Alliant Reloder-25<<locked>>96%32,880 psi52%2500 fps95.1%
Alliant Reloder-26<<locked>>88%30,922 psi48%2497 fps95.3%
Alliant Reloder-26<<locked>>88%31,082 psi49%2503 fps95.4%
Baschieri & Pellagri 107<<locked>>80%47,108 psi74%2690 fps99.7%
Baschieri & Pellagri 107<<locked>>80%47,311 psi74%2694 fps99.7%
Bofors RP3<<locked>>80%40,118 psi63%2562 fps99.8%
Bofors RP3<<locked>>80%40,161 psi63%2566 fps99.8%
Bofors RP5<<locked>>98%42,003 psi66%2694 fps95.1%
Bofors RP5<<locked>>98%42,163 psi66%2700 fps95.1%
Bofors RP7<<locked>>84%40,901 psi64%2539 fps95.7%
Bofors RP7<<locked>>84%40,915 psi64%2543 fps95.7%
Hodgdon Benchmark<<locked>>80%51,459 psi81%2664 fps100%
Hodgdon Benchmark<<locked>>80%51,503 psi81%2664 fps100%
Hodgdon BL-C2<<locked>>80%49,066 psi77%2707 fps100%
Hodgdon BL-C2<<locked>>80%49,066 psi77%2707 fps100%
Hodgdon H380<<locked>>80%40,770 psi64%2569 fps98.4%
Hodgdon H380<<locked>>80%40,988 psi64%2575 fps98.4%
Hodgdon H414<<locked>>84%38,087 psi60%2566 fps95.6%
Hodgdon H414<<locked>>84%38,261 psi60%2569 fps95.7%
Hodgdon H4350<<locked>>84%41,698 psi65%2592 fps95.1%
Hodgdon H4350<<locked>>84%41,727 psi65%2595 fps95.2%
Hodgdon H4895<<locked>>80%48,182 psi76%2687 fps100%
Hodgdon H4895<<locked>>80%48,196 psi76%2690 fps100%
Hodgdon Hybrid 100V<<locked>>80%28,601 psi45%2320 fps97%
Hodgdon Hybrid 100V<<locked>>80%28,616 psi45%2320 fps97%
Hodgdon LEVERevolution<<locked>>80%44,396 psi70%2667 fps100%
Hodgdon LEVERevolution<<locked>>80%44,643 psi70%2671 fps100%
Hodgdon Superformance72.9 gr86%40,147 psi63%2635 fps95.7%
Hodgdon Superformance72.9 gr86%40,350 psi63%2641 fps95.8%
Hodgdon TrailBoss<<locked>>80%26,658 psi42%1519 fps100%
Hodgdon TrailBoss<<locked>>80%26,600 psi42%1516 fps100%
Hodgdon VARGET<<locked>>80%46,209 psi72%2641 fps100%
Hodgdon VARGET<<locked>>80%46,267 psi73%2644 fps100%
IMR 3031<<locked>>80%48,196 psi76%2671 fps100%
IMR 3031<<locked>>80%48,443 psi76%2674 fps100%
IMR 4064<<locked>>80%42,554 psi67%2569 fps99.5%
IMR 4064<<locked>>80%42,598 psi67%2569 fps99.5%
IMR 4166 Enduron<<locked>>80%45,020 psi71%2592 fps97.3%
IMR 4166 Enduron<<locked>>80%45,034 psi71%2595 fps97.3%
IMR 4350<<locked>>86%38,667 psi61%2520 fps95%
IMR 4350<<locked>>86%38,870 psi61%2523 fps95.1%
IMR 4451 Enduron<<locked>>80%37,550 psi59%2470 fps95.1%
IMR 4451 Enduron<<locked>>80%37,565 psi59%2470 fps95.1%
IMR 4831<<locked>>80%30,023 psi47%2365 fps95.7%
IMR 4831<<locked>>80%30,066 psi47%2365 fps95.8%
IMR 4895<<locked>>80%44,382 psi70%2651 fps99.8%
IMR 4895<<locked>>80%44,440 psi70%2651 fps99.8%
IMR 8208 XBR<<locked>>80%49,864 psi78%2680 fps100%
IMR 8208 XBR<<locked>>80%49,879 psi78%2680 fps100%
Lovex D073.6<<locked>>80%47,224 psi74%2654 fps100%
Lovex D073.6<<locked>>80%47,268 psi74%2654 fps100%
Lovex S060<<locked>>80%47,340 psi74%2612 fps100%
Lovex S060<<locked>>80%47,543 psi75%2615 fps100%
Lovex S062<<locked>>80%42,395 psi66%2566 fps100%
Lovex S062<<locked>>80%42,612 psi67%2569 fps100%
Lovex S065<<locked>>80%34,838 psi55%2418 fps95.9%
Lovex S065<<locked>>80%34,882 psi55%2418 fps95.9%
Lovex S070<<locked>>84%37,608 psi59%2500 fps95.6%
Lovex S070<<locked>>84%37,637 psi59%2500 fps95.6%
Lovex S071<<locked>>98%34,490 psi54%2477 fps95.5%
Lovex S071<<locked>>98%34,476 psi54%2477 fps95.5%
Norma 201<<locked>>80%46,572 psi73%2628 fps100%
Norma 201<<locked>>80%46,601 psi73%2628 fps100%
Norma 202<<locked>>80%47,094 psi74%2628 fps100%
Norma 202<<locked>>80%47,108 psi74%2631 fps100%
Norma 203B<<locked>>80%42,641 psi67%2608 fps99.7%
Norma 203B<<locked>>80%42,670 psi67%2612 fps99.7%
Norma 204<<locked>>90%43,801 psi69%2661 fps95.1%
Norma 204<<locked>>90%43,787 psi69%2657 fps95.1%
Norma MRP<<locked>>94%38,595 psi60%2654 fps95.5%
Norma MRP<<locked>>94%38,754 psi61%2657 fps95.6%
Norma URP<<locked>>80%31,212 psi49%2405 fps96%
Norma URP<<locked>>80%31,386 psi49%2411 fps96.1%
Ramshot Big Game<<locked>>80%42,525 psi67%2628 fps99.6%
Ramshot Big Game<<locked>>80%42,569 psi67%2628 fps99.6%
Ramshot Hunter<<locked>>84%34,795 psi55%2500 fps95.4%
Ramshot Hunter<<locked>>84%34,983 psi55%2507 fps95.5%
Ramshot TAC<<locked>>80%49,821 psi78%2700 fps99.3%
Ramshot TAC<<locked>>80%49,835 psi78%2700 fps99.3%
Ramshot Wild Boar<<locked>>80%49,588 psi78%2717 fps100%
Ramshot Wild Boar<<locked>>80%49,632 psi78%2717 fps100%
Ramshot X-Terminator<<locked>>80%53,664 psi84%2730 fps100%
Ramshot X-Terminator<<locked>>80%53,911 psi84%2736 fps100%
ReloadSwiss RS 14<<locked>>80%27,035 psi42%1555 fps100%
ReloadSwiss RS 14<<locked>>80%26,963 psi42%1555 fps100%
ReloadSwiss RS 50<<locked>>80%41,249 psi65%2556 fps97.1%
ReloadSwiss RS 50<<locked>>80%41,278 psi65%2556 fps97.1%
ReloadSwiss RS 52<<locked>>80%46,224 psi72%2730 fps99.8%
ReloadSwiss RS 52<<locked>>80%46,224 psi72%2730 fps99.8%
ReloadSwiss RS 60<<locked>>80%37,231 psi58%2605 fps100%
ReloadSwiss RS 60<<locked>>80%37,260 psi58%2605 fps100%
ReloadSwiss RS 62<<locked>>80%30,618 psi48%2418 fps95.5%
ReloadSwiss RS 62<<locked>>80%30,777 psi48%2421 fps95.6%
ReloadSwiss RS 7066.8 gr82%32,779 psi51%2480 fps95.5%
ReloadSwiss RS 7066.8 gr82%32,953 psi52%2487 fps95.6%
Rottweil R 901<<locked>>80%50,560 psi79%2654 fps100%
Rottweil R 901<<locked>>80%50,604 psi79%2657 fps100%
Rottweil R 902<<locked>>80%44,266 psi69%2579 fps100%
Rottweil R 902<<locked>>80%44,280 psi69%2579 fps100%
Rottweil R 903<<locked>>80%37,608 psi59%2507 fps99.4%
Rottweil R 903<<locked>>80%37,797 psi59%2513 fps99.5%
Rottweil R 904<<locked>>96%47,747 psi75%2697 fps95%
Rottweil R 904<<locked>>96%47,747 psi75%2697 fps95%
Rottweil R 905<<locked>>96%43,816 psi69%2687 fps95.7%
Rottweil R 905<<locked>>96%44,005 psi69%2690 fps95.8%
Rottweil R 907<<locked>>84%40,901 psi64%2539 fps95.7%
Rottweil R 907<<locked>>84%40,915 psi64%2543 fps95.7%
Shooters World Long Rifle<<locked>>80%34,838 psi55%2418 fps95.9%
Shooters World Long Rifle<<locked>>80%34,882 psi55%2418 fps95.9%
Shooters World Match Rifle<<locked>>80%47,224 psi74%2654 fps100%
Shooters World Match Rifle<<locked>>80%47,268 psi74%2654 fps100%
Shooters World Precision<<locked>>80%42,395 psi66%2566 fps100%
Shooters World Precision<<locked>>80%42,612 psi67%2569 fps100%
Shooters World SW4350<<locked>>84%37,608 psi59%2500 fps95.6%
Shooters World SW4350<<locked>>84%37,637 psi59%2500 fps95.6%
SNPE Vectan SP 11<<locked>>80%38,870 psi61%2562 fps99.2%
SNPE Vectan SP 11<<locked>>80%38,899 psi61%2562 fps99.2%
SNPE Vectan SP 7<<locked>>80%48,066 psi75%2674 fps99.4%
SNPE Vectan SP 7<<locked>>80%48,312 psi76%2677 fps99.4%
SNPE Vectan SP 9<<locked>>80%46,224 psi72%2651 fps99.9%
SNPE Vectan SP 9<<locked>>80%46,253 psi72%2654 fps99.9%
SNPE Vectan Tubal 3000<<locked>>80%47,906 psi75%2569 fps100%
SNPE Vectan Tubal 3000<<locked>>80%47,906 psi75%2572 fps100%
SNPE Vectan Tubal 5000<<locked>>80%40,045 psi63%2444 fps100%
SNPE Vectan Tubal 5000<<locked>>80%40,059 psi63%2444 fps100%
SNPE Vectan Tubal 7000<<locked>>82%36,419 psi57%2415 fps95%
SNPE Vectan Tubal 7000<<locked>>82%36,448 psi57%2415 fps95%
SNPE Vectan Tubal 8000<<locked>>96%43,410 psi68%2680 fps95.5%
SNPE Vectan Tubal 8000<<locked>>96%43,584 psi68%2684 fps95.6%
Somchem S335<<locked>>80%47,514 psi74%2569 fps100%
Somchem S335<<locked>>80%47,514 psi74%2572 fps100%
Somchem S341<<locked>>80%47,921 psi75%2667 fps100%
Somchem S341<<locked>>80%48,153 psi75%2671 fps100%
Somchem S355<<locked>>80%38,450 psi60%2513 fps99.4%
Somchem S355<<locked>>80%38,493 psi60%2516 fps99.4%
Somchem S361<<locked>>98%52,518 psi82%2740 fps95.2%
Somchem S361<<locked>>98%52,707 psi83%2746 fps95.3%
Somchem S365<<locked>>80%27,978 psi44%2362 fps98.2%
Somchem S365<<locked>>80%27,992 psi44%2362 fps98.2%
Somchem S385<<locked>>92%38,928 psi61%2562 fps95.1%
Somchem S385<<locked>>92%39,131 psi61%2566 fps95.2%
Vihtavuori N130<<locked>>80%53,940 psi85%2618 fps100%
Vihtavuori N130<<locked>>80%53,998 psi85%2618 fps100%
Vihtavuori N133<<locked>>80%48,385 psi76%2559 fps100%
Vihtavuori N133<<locked>>80%48,414 psi76%2559 fps100%
Vihtavuori N135<<locked>>80%44,150 psi69%2552 fps100%
Vihtavuori N135<<locked>>80%44,208 psi69%2552 fps100%
Vihtavuori N140<<locked>>80%44,570 psi70%2566 fps100%
Vihtavuori N140<<locked>>80%44,773 psi70%2569 fps100%
Vihtavuori N150<<locked>>80%36,521 psi57%2448 fps99.8%
Vihtavuori N150<<locked>>80%36,709 psi58%2451 fps99.8%
Vihtavuori N160<<locked>>80%32,634 psi51%2408 fps96.5%
Vihtavuori N160<<locked>>80%32,677 psi51%2411 fps96.5%
Vihtavuori N165<<locked>>98%40,930 psi64%2589 fps95.2%
Vihtavuori N165<<locked>>98%41,118 psi64%2592 fps95.3%
Vihtavuori N530<<locked>>80%50,125 psi79%2677 fps100%
Vihtavuori N530<<locked>>80%50,169 psi79%2680 fps100%
Vihtavuori N540<<locked>>80%42,917 psi67%2556 fps100%
Vihtavuori N540<<locked>>80%43,134 psi68%2562 fps100%
Vihtavuori N550<<locked>>80%32,082 psi50%2408 fps96%
Vihtavuori N550<<locked>>80%32,242 psi51%2415 fps96.1%
Vihtavuori N555<<locked>>84%27,296 psi43%2349 fps95.1%
Vihtavuori N555<<locked>>84%27,325 psi43%2352 fps95.2%
Winchester 6.5 StaBALL<<locked>>80%32,242 psi51%2385 fps98.4%
Winchester 6.5 StaBALL<<locked>>80%32,387 psi51%2388 fps98.5%
Winchester 748<<locked>>80%50,270 psi79%2726 fps100%
Winchester 748<<locked>>80%50,314 psi79%2726 fps100%
Winchester 760<<locked>>84%38,218 psi60%2569 fps95.7%
Winchester 760<<locked>>84%38,261 psi60%2569 fps95.7%
Winchester StaBALL HD<<locked>>88%25,382 psi40%2349 fps95.4%
Winchester StaBALL HD<<locked>>88%25,382 psi40%2352 fps95.5%
Winchester StaBALL Match<<locked>>80%45,847 psi72%2654 fps100%
Winchester StaBALL Match<<locked>>80%46,035 psi72%2661 fps100%
Winchester Supreme 780<<locked>>98%44,469 psi70%2657 fps95.4%
Winchester Supreme 780<<locked>>98%44,657 psi70%2661 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.

<<locked>> you need an access license to unlock this data.

This overview compares 218 powders for .340 Weath. Mag. loaded with the .338 | 220gr | Peregrine Glider (Glider GRM). ReloadSwiss RS 70 delivers the highest muzzle velocity at 2,959 fps; across all powders the maximum-charge window runs from 1,699 fps to 2,959 fps. Accurate 3100 gives the best case fill at 100 %, and 218 of the 218 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 220.0 gr projectile in 0.338" calls for a 1:11.0 twist; slower twists will usually not stabilise this weight. Accurate 3100, Accurate 3100, ADI AR 2209 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, Hodgdon Superformance, Alliant Reloder-17 rank at the top here: for .340 Weath. Mag. with the .338 | 220gr | Peregrine Glider (Glider GRM) 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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