Load data for .300 Win. Mag. + .308 | 183gr | Peregrine Plainsmaster (VLR-4)

.300 Win. Mag. cartridge drawing
Peregrine logo

Load Specifications

Bullet Manufacturer:Peregrine
Bullet Weight:183 gr
Bullet Diameter:0.308"
Bullet Length:<<locked>>
Case Length (l3):2.62"
Cartridge Length (C.O.L.):<<locked>>
Case Capacity:90.5 Grains of Water
Primer Size:Large Rifle Magnum (LRM)
Barrel Length:24"
Max. allowed Pressure:62,366 psi
Recommended Twist Rate:1:10.5

Load data in caliber .300 Win. Mag. with .308 | 183gr | Peregrine Plainsmaster (VLR-4) bullet and 197 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-16 and Alliant Reloder-26.

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"

PowderChargeFRMaxP%V(0)z
Accurate 2495<<locked>>84%56,072 psi90%2713 fps100%
Accurate 2495<<locked>>82%53,664 psi86%2687 fps100%
Accurate 2700<<locked>>84%54,346 psi87%2740 fps98.7%
Accurate 2700<<locked>>84%55,492 psi89%2762 fps98.9%
Accurate 3100ᴾ<<locked>>100%51,474 psi83%2776 fps99.4%
Accurate 3100ᴾ<<locked>>100%52,779 psi85%2802 fps99.6%
Accurate 4064<<locked>>84%53,026 psi85%2723 fps100%
Accurate 4064<<locked>>84%54,186 psi87%2743 fps100%
Accurate 4350<<locked>>92%53,824 psi86%2828 fps100%
Accurate 4350<<locked>>92%55,100 psi88%2851 fps100%
Accurate High Country<<locked>>98%54,143 psi87%2943 fps97.5%
Accurate MAGPROᴾ<<locked>>100%55,216 psi89%2943 fps96.4%
ADI AR 2206H<<locked>>82%55,999 psi90%2802 fps100%
ADI AR 2208<<locked>>86%53,809 psi86%2759 fps100%
ADI AR 2208<<locked>>86%54,766 psi88%2779 fps100%
ADI AR 2209<<locked>>98%55,172 psi88%2874 fps98.2%
ADI AR 2209<<locked>>98%56,420 psi90%2900 fps98.5%
ADI AR 2213ᴾ<<locked>>100%52,707 psi85%2861 fps96.5%
ADI AR 2213ᴾ<<locked>>100%54,099 psi87%2890 fps97%
Alliant Power Pro 2000-MR<<locked>>82%52,736 psi85%2874 fps100%
Alliant Power Pro 2000-MR<<locked>>82%54,070 psi87%2900 fps100%
Alliant Power Pro Varmint<<locked>>96%52,736 psi85%2838 fps98%
Alliant Reloder- TS 15.5<<locked>>86%54,375 psi87%2779 fps100%
Alliant Reloder- TS 15.5<<locked>>86%55,419 psi89%2799 fps100%
Alliant Reloder-15<<locked>>84%54,665 psi88%2802 fps100%
Alliant Reloder-15<<locked>>84%55,724 psi89%2822 fps100%
Alliant Reloder-16<<locked>>94%54,969 psi88%2887 fps100%
Alliant Reloder-16<<locked>>94%56,202 psi90%2910 fps100%
Alliant Reloder-17<<locked>>90%56,318 psi90%2910 fps100%
Alliant Reloder-17<<locked>>88%53,621 psi86%2877 fps100%
Alliant Reloder-19<<locked>>98%54,418 psi87%2861 fps98.2%
Alliant Reloder-19<<locked>>98%55,680 psi89%2887 fps98.5%
Alliant Reloder-22ᴾ<<locked>>100%51,343 psi82%2858 fps97.9%
Alliant Reloder-22ᴾ<<locked>>100%52,808 psi85%2887 fps98.2%
Alliant Reloder-23ᴾ<<locked>>100%48,341 psi78%2792 fps100%
Alliant Reloder-23ᴾ<<locked>>100%49,647 psi80%2818 fps100%
Alliant Reloder-25ᴾ<<locked>>100%42,163 psi68%2717 fps98.8%
Alliant Reloder-25ᴾ<<locked>>100%43,221 psi69%2743 fps99.1%
Alliant Reloder-26ᴾ<<locked>>100%55,767 psi89%2989 fps100%
Alliant Reloder-26<<locked>>98%53,229 psi85%2953 fps100%
Baschieri & Pellagri 107<<locked>>82%55,927 psi90%2822 fps100%
Bofors RP15ᴾ<<locked>>100%47,021 psi75%2779 fps96.8%
Bofors RP15ᴾ<<locked>>100%48,196 psi77%2805 fps97.2%
Bofors RP3<<locked>>86%54,926 psi88%2792 fps100%
Bofors RP3<<locked>>86%56,260 psi90%2815 fps100%
Bofors RP5ᴾ<<locked>>100%51,343 psi82%2858 fps97.9%
Bofors RP5ᴾ<<locked>>100%52,808 psi85%2887 fps98.2%
Bofors RP7<<locked>>90%54,607 psi88%2779 fps98.9%
Bofors RP7<<locked>>90%55,738 psi89%2805 fps99.1%
Hodgdon H380<<locked>>86%55,608 psi89%2815 fps100%
Hodgdon H380<<locked>>84%53,113 psi85%2782 fps99.9%
Hodgdon H414<<locked>>90%52,649 psi84%2825 fps99.1%
Hodgdon H414<<locked>>90%53,780 psi86%2851 fps99.3%
Hodgdon H4350<<locked>>90%56,347 psi90%2844 fps98.7%
Hodgdon H4350<<locked>>88%53,766 psi86%2812 fps98.4%
Hodgdon H4831<<locked>>98%53,011 psi85%2812 fps96%
Hodgdon H4831<<locked>>98%54,157 psi87%2838 fps96.4%
Hodgdon H4831 SCᴾ<<locked>>100%55,376 psi89%2848 fps96.5%
Hodgdon H4831 SC<<locked>>98%52,924 psi85%2818 fps96.1%
Hodgdon Hybrid 100V<<locked>>96%55,129 psi88%2808 fps100%
Hodgdon Hybrid 100V<<locked>>96%56,333 psi90%2831 fps100%
Hodgdon LEVERevolution<<locked>>82%53,171 psi85%2795 fps100%
Hodgdon LEVERevolution<<locked>>82%54,491 psi87%2818 fps100%
Hodgdon Retumboᴾ<<locked>>100%42,337 psi68%2769 fps96.3%
Hodgdon Superformance<<locked>>90%52,605 psi84%2861 fps98.9%
Hodgdon Superformance<<locked>>90%53,896 psi86%2887 fps99.1%
Hodgdon TrailBossᴾ<<locked>>100%36,100 psi58%1726 fps100%
Hodgdon TrailBossᴾ<<locked>>100%36,230 psi58%1736 fps100%
Hodgdon VARGET<<locked>>82%54,244 psi87%2762 fps100%
Hodgdon VARGET<<locked>>82%55,288 psi89%2782 fps100%
IMR 4064<<locked>>84%53,359 psi86%2743 fps100%
IMR 4064<<locked>>84%54,186 psi87%2762 fps100%
IMR 4166 Enduron<<locked>>84%56,057 psi90%2776 fps99.3%
IMR 4166 Enduron<<locked>>82%53,316 psi85%2743 fps99.1%
IMR 4350<<locked>>94%55,593 psi89%2815 fps99%
IMR 4350<<locked>>92%53,200 psi85%2785 fps98.8%
IMR 4451 Enduron<<locked>>90%56,376 psi90%2808 fps99.3%
IMR 4451 Enduron<<locked>>88%54,070 psi87%2782 fps99.2%
IMR 4831<<locked>>94%54,244 psi87%2818 fps100%
IMR 4831<<locked>>94%55,651 psi89%2844 fps100%
IMR 4895<<locked>>84%56,115 psi90%2828 fps100%
IMR 4895<<locked>>82%53,693 psi86%2799 fps100%
IMR 4955 Enduron<<locked>>98%54,708 psi88%2802 fps96.5%
IMR 4955 Enduron<<locked>>98%55,840 psi90%2828 fps96.9%
IMR 7828 SSCᴾ<<locked>>100%50,241 psi81%2831 fps96.1%
IMR 7828 SSCᴾ<<locked>>100%51,343 psi82%2861 fps96.6%
Lovex D073.6<<locked>>82%56,188 psi90%2772 fps100%
Lovex S060<<locked>>82%54,853 psi88%2726 fps100%
Lovex S060<<locked>>82%55,898 psi90%2746 fps100%
Lovex S062<<locked>>84%53,316 psi85%2736 fps100%
Lovex S062<<locked>>84%54,404 psi87%2756 fps100%
Lovex S065<<locked>>92%56,304 psi90%2805 fps99.9%
Lovex S065<<locked>>90%53,998 psi87%2776 fps99.8%
Lovex S070<<locked>>92%54,114 psi87%2795 fps99.3%
Lovex S070<<locked>>92%55,216 psi89%2818 fps99.5%
Lovex S071ᴾ<<locked>>100%42,583 psi68%2625 fps98.1%
Lovex S071ᴾ<<locked>>100%43,598 psi70%2648 fps98.4%
Norma 201<<locked>>82%54,447 psi87%2743 fps100%
Norma 201<<locked>>82%55,550 psi89%2762 fps100%
Norma 202<<locked>>82%55,492 psi89%2743 fps100%
Norma 202<<locked>>82%56,347 psi90%2759 fps100%
Norma 203B<<locked>>84%53,954 psi87%2789 fps100%
Norma 203B<<locked>>84%55,013 psi88%2808 fps100%
Norma 204<<locked>>94%56,434 psi90%2867 fps98.3%
Norma 204<<locked>>92%53,824 psi86%2835 fps98%
Norma MRPᴾ<<locked>>100%54,607 psi88%2940 fps99.3%
Norma MRPᴾ<<locked>>100%56,173 psi90%2972 fps99.6%
Norma URP<<locked>>94%56,434 psi90%2867 fps100%
Norma URP<<locked>>92%54,027 psi87%2838 fps100%
Ramshot Big Game<<locked>>84%54,650 psi88%2812 fps100%
Ramshot Big Game<<locked>>84%55,898 psi90%2835 fps100%
Ramshot Grandᴾ<<locked>>100%50,328 psi81%2844 fps96.5%
Ramshot Grandᴾ<<locked>>100%51,663 psi83%2877 fps97%
Ramshot Hunter<<locked>>94%55,114 psi88%2867 fps99.7%
Ramshot Hunter<<locked>>92%52,707 psi85%2838 fps99.6%
Ramshot Magnumᴾ<<locked>>100%44,570 psi71%2717 fps96.9%
Ramshot Magnumᴾ<<locked>>100%45,774 psi73%2746 fps97.4%
ReloadSwiss RS 14ᴾ<<locked>>100%36,811 psi59%1768 fps100%
ReloadSwiss RS 14ᴾ<<locked>>100%36,927 psi59%1778 fps100%
ReloadSwiss RS 50<<locked>>86%55,637 psi89%2799 fps99.6%
ReloadSwiss RS 50<<locked>>84%53,113 psi85%2769 fps99.4%
ReloadSwiss RS 52<<locked>>82%55,753 psi89%2871 fps100%
ReloadSwiss RS 60<<locked>>88%55,782 psi89%2904 fps100%
ReloadSwiss RS 60<<locked>>86%53,171 psi85%2871 fps100%
ReloadSwiss RS 62<<locked>>92%53,592 psi86%2848 fps100%
ReloadSwiss RS 62<<locked>>92%55,013 psi88%2874 fps100%
ReloadSwiss RS 70<<locked>>94%56,405 psi90%2940 fps100%
ReloadSwiss RS 70<<locked>>92%53,780 psi86%2907 fps100%
ReloadSwiss RS 76ᴾ<<locked>>100%41,031 psi66%2730 fps96.8%
ReloadSwiss RS 76ᴾ<<locked>>100%42,076 psi67%2759 fps97.3%
Rottweil R 902<<locked>>84%55,288 psi89%2746 fps100%
Rottweil R 902<<locked>>84%56,101 psi90%2762 fps100%
Rottweil R 903<<locked>>88%55,042 psi88%2789 fps100%
Rottweil R 903<<locked>>88%56,115 psi90%2808 fps100%
Rottweil R 904<<locked>>96%53,316 psi85%2789 fps96.8%
Rottweil R 904<<locked>>96%54,549 psi87%2815 fps97.2%
Rottweil R 905<<locked>>98%53,359 psi86%2841 fps98.2%
Rottweil R 905<<locked>>98%54,708 psi88%2871 fps98.5%
Rottweil R 907<<locked>>90%54,607 psi88%2779 fps98.9%
Rottweil R 907<<locked>>90%55,738 psi89%2805 fps99.1%
Shooters World Long Rifle<<locked>>92%56,304 psi90%2805 fps99.9%
Shooters World Long Rifle<<locked>>90%53,998 psi87%2776 fps99.8%
Shooters World Match Rifle<<locked>>82%56,188 psi90%2772 fps100%
Shooters World Precision<<locked>>84%53,316 psi85%2736 fps100%
Shooters World Precision<<locked>>84%54,404 psi87%2756 fps100%
Shooters World SW4350<<locked>>92%54,114 psi87%2795 fps99.3%
Shooters World SW4350<<locked>>92%55,216 psi89%2818 fps99.5%
SNPE Vectan SP 11<<locked>>86%53,185 psi85%2799 fps100%
SNPE Vectan SP 11<<locked>>86%54,418 psi87%2822 fps100%
SNPE Vectan SP 9<<locked>>82%54,563 psi87%2776 fps100%
SNPE Vectan SP 9<<locked>>82%55,593 psi89%2795 fps100%
SNPE Vectan Tubal 3000<<locked>>82%55,651 psi89%2677 fps100%
SNPE Vectan Tubal 5000<<locked>>88%56,420 psi90%2677 fps100%
SNPE Vectan Tubal 5000<<locked>>86%54,085 psi87%2654 fps100%
SNPE Vectan Tubal 7000<<locked>>92%56,043 psi90%2759 fps99.3%
SNPE Vectan Tubal 7000<<locked>>90%53,534 psi86%2730 fps99.2%
SNPE Vectan Tubal 8000<<locked>>98%52,881 psi85%2838 fps98.1%
SNPE Vectan Tubal 8000<<locked>>98%54,230 psi87%2864 fps98.4%
Somchem S335<<locked>>82%55,056 psi88%2671 fps100%
Somchem S335<<locked>>82%56,144 psi90%2690 fps100%
Somchem S355<<locked>>88%55,013 psi88%2785 fps100%
Somchem S355<<locked>>88%56,318 psi90%2808 fps100%
Somchem S361<<locked>>96%54,940 psi88%2782 fps96.3%
Somchem S361<<locked>>96%56,246 psi90%2808 fps96.7%
Somchem S365<<locked>>96%55,463 psi89%2867 fps100%
Somchem S365<<locked>>94%53,040 psi85%2838 fps100%
Somchem S385<<locked>>98%54,027 psi87%2822 fps98.8%
Somchem S385<<locked>>98%55,288 psi89%2844 fps99.1%
Vihtavuori N133<<locked>>82%56,231 psi90%2661 fps100%
Vihtavuori N135<<locked>>84%55,608 psi89%2703 fps100%
Vihtavuori N135<<locked>>82%53,243 psi85%2677 fps100%
Vihtavuori N140<<locked>>84%55,883 psi90%2720 fps100%
Vihtavuori N140<<locked>>82%53,461 psi86%2694 fps100%
Vihtavuori N150<<locked>>88%53,011 psi85%2713 fps100%
Vihtavuori N150<<locked>>88%53,940 psi86%2733 fps100%
Vihtavuori N160<<locked>>92%55,013 psi88%2808 fps100%
Vihtavuori N160<<locked>>92%56,173 psi90%2835 fps100%
Vihtavuori N165ᴾ<<locked>>100%49,951 psi80%2743 fps97.9%
Vihtavuori N165ᴾ<<locked>>100%51,155 psi82%2766 fps98.2%
Vihtavuori N540<<locked>>84%54,201 psi87%2720 fps100%
Vihtavuori N540<<locked>>84%55,158 psi88%2740 fps100%
Vihtavuori N550<<locked>>92%54,041 psi87%2815 fps100%
Vihtavuori N550<<locked>>92%55,129 psi88%2838 fps100%
Vihtavuori N555ᴾ<<locked>>100%54,201 psi87%2871 fps100%
Vihtavuori N555ᴾ<<locked>>100%55,593 psi89%2894 fps100%
Vihtavuori N560ᴾ<<locked>>100%55,042 psi88%2930 fps96.8%
Vihtavuori N560<<locked>>98%52,649 psi84%2897 fps96.4%
Winchester 6.5 StaBALL<<locked>>92%54,781 psi88%2782 fps100%
Winchester 6.5 StaBALL<<locked>>92%55,985 psi90%2802 fps100%
Winchester 760<<locked>>90%52,910 psi85%2828 fps99.1%
Winchester 760<<locked>>90%54,041 psi87%2851 fps99.3%
Winchester StaBALL HDᴾ<<locked>>100%43,453 psi70%2844 fps100%
Winchester StaBALL HDᴾ<<locked>>100%44,744 psi72%2874 fps100%
Winchester StaBALL Match<<locked>>82%54,563 psi87%2782 fps100%
Winchester StaBALL Match<<locked>>82%55,564 psi89%2802 fps100%
Winchester Supreme 780ᴾ<<locked>>100%54,476 psi87%2818 fps98.1%
Winchester Supreme 780ᴾ<<locked>>100%55,666 psi89%2841 fps98.4%

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

Start Load - Barrel Length: 24"

PowderChargeFRMaxP%V(0)z
Accurate 2495<<locked>>80%49,240 psi79%2621 fps100%
Accurate 2495<<locked>>80%50,198 psi80%2641 fps100%
Accurate 2700<<locked>>80%47,601 psi76%2628 fps97.5%
Accurate 2700<<locked>>80%48,515 psi78%2651 fps97.8%
Accurate 3100<<locked>>88%33,823 psi54%2441 fps95.5%
Accurate 3100<<locked>>86%32,343 psi52%2408 fps95%
Accurate 4064<<locked>>80%46,673 psi75%2628 fps100%
Accurate 4064<<locked>>80%47,630 psi76%2644 fps100%
Accurate 4350<<locked>>80%35,273 psi57%2490 fps97.8%
Accurate 4350<<locked>>80%36,071 psi58%2510 fps98.1%
Accurate High Country<<locked>>94%46,920 psi75%2818 fps95.8%
Accurate MAGPRO<<locked>>98%51,372 psi82%2881 fps95.4%
ADI AR 2206H<<locked>>80%52,562 psi84%2749 fps100%
ADI AR 2208<<locked>>80%44,744 psi72%2608 fps99.7%
ADI AR 2208<<locked>>80%45,527 psi73%2628 fps99.8%
ADI AR 2209<<locked>>90%42,279 psi68%2641 fps95.2%
ADI AR 2209<<locked>>90%43,236 psi69%2667 fps95.7%
ADI AR 2213<<locked>>98%49,269 psi79%2799 fps95.7%
ADI AR 2213<<locked>>96%47,166 psi76%2769 fps95.3%
Alliant Power Pro 2000-MR<<locked>>80%49,052 psi79%2812 fps100%
Alliant Power Pro 2000-MR<<locked>>80%50,111 psi80%2838 fps100%
Alliant Power Pro Varmint<<locked>>90%43,395 psi70%2671 fps95.8%
Alliant Reloder- TS 15.5<<locked>>80%44,933 psi72%2631 fps100%
Alliant Reloder- TS 15.5<<locked>>80%45,759 psi73%2648 fps100%
Alliant Reloder-15<<locked>>80%48,022 psi77%2697 fps100%
Alliant Reloder-15<<locked>>80%48,878 psi78%2717 fps100%
Alliant Reloder-1655.5 gr80%34,780 psi56%2503 fps97.9%
Alliant Reloder-1655.5 gr80%35,520 psi57%2526 fps98.2%
Alliant Reloder-17<<locked>>80%39,334 psi63%2628 fps99.8%
Alliant Reloder-17<<locked>>80%40,277 psi65%2651 fps99.9%
Alliant Reloder-19<<locked>>90%41,945 psi67%2638 fps95.3%
Alliant Reloder-19<<locked>>90%42,888 psi69%2661 fps95.7%
Alliant Reloder-22<<locked>>94%41,959 psi67%2684 fps95.5%
Alliant Reloder-22<<locked>>92%40,205 psi64%2651 fps95%
Alliant Reloder-23<<locked>>80%25,208 psi40%2254 fps95.1%
Alliant Reloder-23<<locked>>80%25,759 psi41%2277 fps95.6%
Alliant Reloder-25<<locked>>92%32,547 psi52%2480 fps95.4%
Alliant Reloder-25<<locked>>92%33,301 psi53%2507 fps95.9%
Alliant Reloder-2664.4 gr84%30,821 psi49%2477 fps95.6%
Alliant Reloder-2664.4 gr84%31,662 psi51%2507 fps96.2%
Baschieri & Pellagri 107<<locked>>80%52,286 psi84%2766 fps100%
Bofors RP15<<locked>>96%41,162 psi66%2664 fps95%
Bofors RP15<<locked>>96%42,308 psi68%2694 fps95.6%
Bofors RP3<<locked>>80%44,962 psi72%2638 fps100%
Bofors RP3<<locked>>80%45,774 psi73%2657 fps100%
Bofors RP5<<locked>>94%41,959 psi67%2684 fps95.5%
Bofors RP5<<locked>>92%40,205 psi64%2651 fps95%
Bofors RP7<<locked>>80%39,827 psi64%2513 fps95.8%
Bofors RP7<<locked>>80%40,524 psi65%2533 fps96.1%
Hodgdon H380<<locked>>80%45,484 psi73%2648 fps99.3%
Hodgdon H380<<locked>>80%46,470 psi75%2671 fps99.5%
Hodgdon H414<<locked>>80%37,420 psi60%2536 fps95.7%
Hodgdon H414<<locked>>80%38,348 psi61%2562 fps96.1%
Hodgdon H4350<<locked>>80%40,625 psi65%2562 fps95.2%
Hodgdon H4350<<locked>>80%41,321 psi66%2585 fps95.6%
Hodgdon H4831<<locked>>96%49,298 psi79%2749 fps95%
Hodgdon H4831<<locked>>96%50,459 psi81%2776 fps95.5%
Hodgdon H4831 SC<<locked>>98%51,779 psi83%2789 fps95.7%
Hodgdon H4831 SC<<locked>>96%49,545 psi79%2762 fps95.3%
Hodgdon Hybrid 100V<<locked>>80%32,314 psi52%2402 fps98.5%
Hodgdon Hybrid 100V<<locked>>80%33,054 psi53%2421 fps98.7%
Hodgdon LEVERevolution<<locked>>80%49,806 psi80%2743 fps100%
Hodgdon LEVERevolution<<locked>>80%50,879 psi82%2762 fps100%
Hodgdon Retumbo<<locked>>98%39,494 psi63%2700 fps95%
Hodgdon Superformance<<locked>>82%39,218 psi63%2608 fps95.8%
Hodgdon Superformance<<locked>>80%37,260 psi60%2569 fps95.2%
Hodgdon TrailBoss<<locked>>80%26,905 psi43%1539 fps100%
Hodgdon TrailBoss<<locked>>80%27,006 psi43%1549 fps100%
Hodgdon VARGET<<locked>>80%50,836 psi82%2710 fps100%
Hodgdon VARGET<<locked>>80%51,677 psi83%2730 fps100%
IMR 4064<<locked>>80%47,050 psi75%2641 fps99.9%
IMR 4064<<locked>>80%47,892 psi77%2661 fps100%
IMR 4166 Enduron<<locked>>80%49,168 psi79%2667 fps98.5%
IMR 4166 Enduron<<locked>>80%50,125 psi80%2690 fps98.7%
IMR 4350<<locked>>82%37,956 psi61%2493 fps95.2%
IMR 4350<<locked>>82%38,624 psi62%2513 fps95.5%
IMR 4451 Enduron<<locked>>80%41,249 psi66%2546 fps96.7%
IMR 4451 Enduron<<locked>>80%41,974 psi67%2566 fps97%
IMR 4831<<locked>>80%34,026 psi55%2444 fps97.4%
IMR 4831<<locked>>80%34,954 psi56%2470 fps97.8%
IMR 4895<<locked>>80%49,284 psi79%2723 fps100%
IMR 4895<<locked>>80%50,140 psi80%2743 fps100%
IMR 4955 Enduron<<locked>>94%48,153 psi77%2694 fps95%
IMR 4955 Enduron<<locked>>94%49,066 psi79%2713 fps95.4%
IMR 7828 SSC<<locked>>98%46,963 psi75%2772 fps95.2%
IMR 7828 SSC<<locked>>98%48,066 psi77%2802 fps95.7%
Lovex D073.6<<locked>>80%52,649 psi84%2723 fps100%
Lovex S060<<locked>>80%51,735 psi83%2680 fps100%
Lovex S060<<locked>>80%52,533 psi84%2697 fps100%
Lovex S062<<locked>>80%47,050 psi75%2638 fps100%
Lovex S062<<locked>>80%47,892 psi77%2654 fps100%
Lovex S065<<locked>>80%38,667 psi62%2493 fps97.4%
Lovex S065<<locked>>80%39,421 psi63%2513 fps97.7%
Lovex S070<<locked>>80%36,869 psi59%2470 fps95.7%
Lovex S070<<locked>>80%37,550 psi60%2493 fps96.1%
Lovex S071<<locked>>92%32,663 psi52%2415 fps95%
Lovex S071<<locked>>92%33,504 psi54%2438 fps95.5%
Norma 201<<locked>>80%51,271 psi82%2694 fps100%
Norma 201<<locked>>80%52,156 psi84%2713 fps100%
Norma 202<<locked>>80%52,011 psi83%2694 fps100%
Norma 202<<locked>>80%52,881 psi85%2713 fps100%
Norma 203B<<locked>>80%47,398 psi76%2684 fps100%
Norma 203B<<locked>>80%48,225 psi77%2703 fps100%
Norma 204<<locked>>86%42,772 psi69%2631 fps95.3%
Norma 204<<locked>>86%43,801 psi70%2661 fps95.8%
Norma MRP<<locked>>90%38,363 psi62%2635 fps95.8%
Norma MRP<<locked>>88%36,782 psi59%2602 fps95.4%
Norma URP<<locked>>80%35,404 psi57%2487 fps97.7%
Norma URP<<locked>>80%36,187 psi58%2510 fps98%
Ramshot Big Game<<locked>>80%47,587 psi76%2703 fps100%
Ramshot Big Game<<locked>>80%48,559 psi78%2723 fps100%
Ramshot Grand<<locked>>98%46,659 psi75%2776 fps95.4%
Ramshot Grand<<locked>>96%44,585 psi71%2743 fps95%
Ramshot Hunter<<locked>>80%34,301 psi55%2470 fps95.5%
Ramshot Hunter<<locked>>80%35,114 psi56%2497 fps95.9%
Ramshot Magnum<<locked>>98%41,539 psi67%2657 fps96%
Ramshot Magnum<<locked>>96%39,450 psi63%2621 fps95.4%
ReloadSwiss RS 14<<locked>>80%27,427 psi44%1578 fps100%
ReloadSwiss RS 14<<locked>>80%27,528 psi44%1588 fps100%
ReloadSwiss RS 50<<locked>>80%45,542 psi73%2631 fps98.3%
ReloadSwiss RS 50<<locked>>80%46,456 psi74%2654 fps98.6%
ReloadSwiss RS 52<<locked>>80%51,880 psi83%2812 fps100%
ReloadSwiss RS 60<<locked>>80%41,887 psi67%2680 fps100%
ReloadSwiss RS 60<<locked>>80%42,873 psi69%2703 fps100%
ReloadSwiss RS 62<<locked>>80%35,172 psi56%2507 fps97.4%
ReloadSwiss RS 62<<locked>>80%36,085 psi58%2533 fps97.8%
ReloadSwiss RS 7060.7 gr80%34,301 psi55%2510 fps96.6%
ReloadSwiss RS 7060.7 gr80%35,041 psi56%2536 fps97.1%
ReloadSwiss RS 76<<locked>>98%38,218 psi61%2661 fps95.6%
ReloadSwiss RS 76<<locked>>98%39,218 psi63%2694 fps96.3%
Rottweil R 902<<locked>>80%48,791 psi78%2648 fps100%
Rottweil R 902<<locked>>80%49,661 psi80%2667 fps100%
Rottweil R 903<<locked>>80%42,322 psi68%2585 fps99.9%
Rottweil R 903<<locked>>80%43,163 psi69%2605 fps100%
Rottweil R 904<<locked>>92%46,963 psi75%2680 fps95.3%
Rottweil R 904<<locked>>92%47,964 psi77%2703 fps95.8%
Rottweil R 905<<locked>>90%40,814 psi65%2618 fps95.2%
Rottweil R 905<<locked>>90%41,858 psi67%2641 fps95.6%
Rottweil R 907<<locked>>80%39,827 psi64%2513 fps95.8%
Rottweil R 907<<locked>>80%40,524 psi65%2533 fps96.1%
Shooters World Long Rifle<<locked>>80%38,667 psi62%2493 fps97.4%
Shooters World Long Rifle<<locked>>80%39,421 psi63%2513 fps97.7%
Shooters World Match Rifle<<locked>>80%52,649 psi84%2723 fps100%
Shooters World Precision<<locked>>80%47,050 psi75%2638 fps100%
Shooters World Precision<<locked>>80%47,892 psi77%2654 fps100%
Shooters World SW4350<<locked>>80%36,869 psi59%2470 fps95.7%
Shooters World SW4350<<locked>>80%37,550 psi60%2493 fps96.1%
SNPE Vectan SP 11<<locked>>80%43,540 psi70%2638 fps99.8%
SNPE Vectan SP 11<<locked>>80%44,541 psi71%2661 fps99.9%
SNPE Vectan SP 9<<locked>>80%51,024 psi82%2723 fps100%
SNPE Vectan SP 9<<locked>>80%52,011 psi83%2743 fps100%
SNPE Vectan Tubal 3000<<locked>>80%52,373 psi84%2631 fps100%
SNPE Vectan Tubal 5000<<locked>>80%44,121 psi71%2503 fps100%
SNPE Vectan Tubal 5000<<locked>>80%44,730 psi72%2520 fps100%
SNPE Vectan Tubal 7000<<locked>>80%37,782 psi61%2438 fps95.9%
SNPE Vectan Tubal 7000<<locked>>80%38,609 psi62%2461 fps96.3%
SNPE Vectan Tubal 8000<<locked>>90%40,437 psi65%2612 fps95%
SNPE Vectan Tubal 8000<<locked>>90%41,466 psi66%2638 fps95.5%
Somchem S335<<locked>>80%51,938 psi83%2628 fps100%
Somchem S335<<locked>>80%52,794 psi85%2648 fps100%
Somchem S355<<locked>>80%42,815 psi69%2589 fps99.9%
Somchem S355<<locked>>80%43,627 psi70%2605 fps100%
Somchem S361<<locked>>94%51,561 psi83%2726 fps95.6%
Somchem S361<<locked>>92%49,197 psi79%2694 fps95.2%
Somchem S365<<locked>>80%31,821 psi51%2444 fps99.4%
Somchem S365<<locked>>80%32,590 psi52%2467 fps99.6%
Somchem S385<<locked>>88%38,624 psi62%2543 fps95.4%
Somchem S385<<locked>>86%37,115 psi60%2513 fps95%
Vihtavuori N133<<locked>>80%52,953 psi85%2618 fps100%
Vihtavuori N135<<locked>>80%49,081 psi79%2615 fps100%
Vihtavuori N135<<locked>>80%49,879 psi80%2631 fps100%
Vihtavuori N140<<locked>>80%49,356 psi79%2628 fps100%
Vihtavuori N140<<locked>>80%50,183 psi80%2644 fps100%
Vihtavuori N150<<locked>>80%40,828 psi65%2520 fps100%
Vihtavuori N150<<locked>>80%41,626 psi67%2539 fps100%
Vihtavuori N160<<locked>>80%36,825 psi59%2490 fps98%
Vihtavuori N160<<locked>>80%37,579 psi60%2510 fps98.3%
Vihtavuori N165<<locked>>94%40,799 psi65%2579 fps95.6%
Vihtavuori N165<<locked>>92%39,059 psi63%2546 fps95.2%
Vihtavuori N540<<locked>>80%47,543 psi76%2621 fps100%
Vihtavuori N540<<locked>>80%48,501 psi78%2641 fps100%
Vihtavuori N550<<locked>>80%36,216 psi58%2487 fps97.6%
Vihtavuori N550<<locked>>80%37,086 psi59%2513 fps98%
Vihtavuori N555<<locked>>80%27,470 psi44%2326 fps95.3%
Vihtavuori N555<<locked>>80%28,224 psi45%2349 fps95.8%
Vihtavuori N560<<locked>>96%47,950 psi77%2808 fps95.1%
Vihtavuori N560<<locked>>96%49,124 psi79%2838 fps95.6%
Winchester 6.5 StaBALL<<locked>>80%35,998 psi58%2461 fps99.5%
Winchester 6.5 StaBALL<<locked>>80%36,883 psi59%2487 fps99.6%
Winchester 760<<locked>>80%37,608 psi60%2539 fps95.7%
Winchester 760<<locked>>80%38,508 psi62%2566 fps96.2%
Winchester StaBALL HD<<locked>>84%25,222 psi40%2333 fps95.8%
Winchester StaBALL HD<<locked>>82%24,221 psi39%2297 fps95%
Winchester StaBALL Match<<locked>>80%50,937 psi82%2726 fps100%
Winchester StaBALL Match<<locked>>80%51,938 psi83%2749 fps100%
Winchester Supreme 780<<locked>>94%43,976 psi71%2644 fps95.8%
Winchester Supreme 780<<locked>>92%41,989 psi67%2612 fps95.4%

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 197 powders for .300 Win. Mag. loaded with the .308 | 183gr | Peregrine Plainsmaster (VLR-4). Alliant Reloder-26 delivers the highest muzzle velocity at 2,989 fps; across all powders the maximum-charge window runs from 1,726 fps to 2,989 fps. Accurate 3100 gives the best case fill at 100 %, and 197 of the 197 powders fall inside the usable 80–100 % fill window.

Relative to the caliber's maximum pressure (430 MPa), the top charges use 58–90 %, leaving at least 10 % headroom. The 183.0 gr projectile in 0.308" calls for a 1:10.5 twist; slower twists will usually not stabilise this weight. Accurate 3100, Accurate 3100, Accurate MAGPRO 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-16, Alliant Reloder-26 rank at the top here: for .300 Win. Mag. with the .308 | 183gr | Peregrine Plainsmaster (VLR-4) 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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