Load data for .300 RCM + .308 | 171gr | Peregrine VLR5 (VLR-5)

.300 RCM cartridge drawing
Peregrine logo

Load Specifications

Bullet Manufacturer:Peregrine
Bullet Weight:171 gr
Bullet Diameter:0.308"
Bullet Length:<<locked>>
Case Length (l3):2.09"
Cartridge Length (C.O.L.):<<locked>>
Case Capacity:75 Grains of Water
Primer Size:Large Rifle (LR)
Barrel Length:24"
Max. allowed Pressure:63,817 psi
Recommended Twist Rate:1:11.0

Load data in caliber .300 RCM with .308 | 171gr | Peregrine VLR5 (VLR-5) bullet and 210 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 60, Alliant Power Pro 2000-MR 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: 24"

PowderChargeFRMaxP%V(0)z
Accurate 2015<<locked>>86%55,201 psi87%2694 fps100%
Accurate 2015<<locked>>86%56,811 psi89%2726 fps100%
Accurate 2460<<locked>>84%57,130 psi90%2769 fps100%
Accurate 2460<<locked>>82%55,114 psi86%2756 fps100%
Accurate 2495<<locked>>92%56,362 psi88%2756 fps100%
Accurate 2495<<locked>>90%54,998 psi86%2746 fps100%
Accurate 2520<<locked>>86%55,332 psi87%2779 fps100%
Accurate 2520<<locked>>86%57,624 psi90%2822 fps100%
Accurate 2700<<locked>>92%56,768 psi89%2766 fps97%
Accurate 2700<<locked>>90%54,926 psi86%2753 fps97%
Accurate 4064<<locked>>94%56,420 psi88%2802 fps100%
Accurate 4064<<locked>>92%54,795 psi86%2792 fps100%
Accurate 4350ᴾ<<locked>>100%52,460 psi82%2831 fps99.3%
Accurate 4350ᴾ<<locked>>100%54,853 psi86%2877 fps99.6%
Accurate LT-30<<locked>>82%57,725 psi90%2684 fps100%
ADI AR 2206H<<locked>>90%57,653 psi90%2841 fps100%
ADI AR 2206H<<locked>>88%56,217 psi88%2835 fps100%
ADI AR 2208<<locked>>94%55,448 psi87%2792 fps99.7%
ADI AR 2208<<locked>>94%57,159 psi90%2831 fps99.9%
ADI Benchmark 8208<<locked>>88%56,985 psi89%2795 fps100%
ADI Benchmark 8208<<locked>>86%55,274 psi87%2785 fps100%
Alliant AR-Comp<<locked>>88%57,493 psi90%2766 fps100%
Alliant AR-Comp<<locked>>86%55,985 psi88%2756 fps100%
Alliant Power Pro 1200-R<<locked>>82%55,158 psi86%2851 fps100%
Alliant Power Pro 1200-R<<locked>>82%57,188 psi90%2894 fps100%
Alliant Power Pro 2000-MR<<locked>>90%53,722 psi84%2904 fps99.7%
Alliant Power Pro 2000-MR<<locked>>90%55,970 psi88%2956 fps99.9%
Alliant Reloder- TS 15.5<<locked>>94%55,056 psi86%2812 fps100%
Alliant Reloder- TS 15.5<<locked>>94%56,898 psi89%2851 fps100%
Alliant Reloder-10x<<locked>>82%54,723 psi86%2697 fps100%
Alliant Reloder-10x<<locked>>82%56,507 psi89%2730 fps100%
Alliant Reloder-15<<locked>>92%55,666 psi87%2835 fps99.8%
Alliant Reloder-15<<locked>>92%57,493 psi90%2874 fps100%
Alliant Reloder-16ᴾ<<locked>>100%51,024 psi80%2838 fps99.4%
Alliant Reloder-16ᴾ<<locked>>100%53,098 psi83%2884 fps99.7%
Alliant Reloder-17<<locked>>98%55,970 psi88%2933 fps100%
Alliant Reloder-17<<locked>>96%54,317 psi85%2923 fps100%
Alliant Reloder-23ᴾ<<locked>>100%36,085 psi57%2569 fps97.7%
Alliant Reloder-23ᴾ<<locked>>100%37,449 psi59%2615 fps98.3%
Alliant Reloder-26ᴾ<<locked>>100%40,045 psi63%2713 fps96.6%
Alliant Reloder-26ᴾ<<locked>>100%41,727 psi65%2766 fps97.5%
Baschieri & Pellagri 106<<locked>>82%56,855 psi89%2680 fps100%
Baschieri & Pellagri 107<<locked>>88%54,215 psi85%2808 fps99.5%
Baschieri & Pellagri 107<<locked>>88%56,144 psi88%2851 fps99.8%
Bofors RP3<<locked>>94%55,550 psi87%2828 fps100%
Bofors RP3<<locked>>94%57,696 psi90%2867 fps100%
Bofors RP7<<locked>>98%55,796 psi87%2792 fps97.2%
Bofors RP7<<locked>>96%54,302 psi85%2785 fps97.2%
Hodgdon Benchmark<<locked>>86%55,477 psi87%2733 fps100%
Hodgdon Benchmark<<locked>>86%57,058 psi89%2769 fps100%
Hodgdon BL-C2<<locked>>88%56,101 psi88%2825 fps100%
Hodgdon BL-C2<<locked>>86%54,302 psi85%2812 fps100%
Hodgdon CFE223<<locked>>84%54,592 psi86%2874 fps99.8%
Hodgdon CFE223<<locked>>84%56,594 psi89%2913 fps99.9%
Hodgdon H322<<locked>>84%57,696 psi90%2789 fps100%
Hodgdon H322<<locked>>82%55,796 psi87%2776 fps100%
Hodgdon H335<<locked>>82%55,216 psi87%2769 fps100%
Hodgdon H335<<locked>>82%56,855 psi89%2802 fps100%
Hodgdon H380<<locked>>94%56,594 psi89%2838 fps99.4%
Hodgdon H380<<locked>>92%54,882 psi86%2828 fps99.4%
Hodgdon H414ᴾ<<locked>>100%56,188 psi88%2887 fps97.9%
Hodgdon H414<<locked>>98%54,592 psi86%2877 fps97.9%
Hodgdon H4350<<locked>>98%57,058 psi89%2851 fps96.7%
Hodgdon H4350<<locked>>96%55,521 psi87%2844 fps96.7%
Hodgdon H4895<<locked>>88%54,839 psi86%2805 fps100%
Hodgdon H4895<<locked>>88%56,768 psi89%2844 fps100%
Hodgdon Hybrid 100Vᴾ<<locked>>100%47,050 psi74%2717 fps99.7%
Hodgdon Hybrid 100Vᴾ<<locked>>100%49,211 psi77%2762 fps99.9%
Hodgdon LEVERevolution<<locked>>90%54,114 psi85%2838 fps100%
Hodgdon LEVERevolution<<locked>>90%56,217 psi88%2877 fps100%
Hodgdon Superformanceᴾ<<locked>>100%57,276 psi90%2927 fps97.6%
Hodgdon Superformance<<locked>>98%55,390 psi87%2917 fps97.6%
Hodgdon TrailBossᴾ<<locked>>100%35,012 psi55%1683 fps100%
Hodgdon TrailBossᴾ<<locked>>100%35,244 psi55%1703 fps100%
Hodgdon VARGET<<locked>>90%56,318 psi88%2808 fps100%
Hodgdon VARGET<<locked>>88%54,563 psi86%2795 fps100%
IMR 3031<<locked>>88%54,665 psi86%2789 fps100%
IMR 3031<<locked>>88%56,652 psi89%2825 fps100%
IMR 4064<<locked>>92%54,694 psi86%2772 fps99.8%
IMR 4064<<locked>>92%56,536 psi89%2815 fps99.9%
IMR 4166 Enduron<<locked>>90%55,230 psi87%2756 fps97.6%
IMR 4166 Enduron<<locked>>90%56,855 psi89%2799 fps98.1%
IMR 4198<<locked>>82%55,129 psi86%2657 fps100%
IMR 4198<<locked>>82%56,681 psi89%2690 fps100%
IMR 4350ᴾ<<locked>>100%52,518 psi82%2766 fps96.6%
IMR 4350ᴾ<<locked>>100%54,462 psi85%2812 fps97.2%
IMR 4451 Enduron<<locked>>96%54,708 psi86%2779 fps97.4%
IMR 4451 Enduron<<locked>>96%56,463 psi88%2822 fps98%
IMR 4831ᴾ<<locked>>100%49,966 psi78%2776 fps99.1%
IMR 4831ᴾ<<locked>>100%52,141 psi82%2822 fps99.5%
IMR 4895<<locked>>92%57,116 psi90%2864 fps100%
IMR 4895<<locked>>90%55,332 psi87%2851 fps100%
IMR 8208 XBR<<locked>>88%56,985 psi89%2795 fps100%
IMR 8208 XBR<<locked>>86%55,274 psi87%2785 fps100%
Lovex D073.5<<locked>>84%57,029 psi89%2779 fps100%
Lovex D073.5<<locked>>82%55,013 psi86%2766 fps100%
Lovex D073.6<<locked>>90%57,276 psi90%2815 fps100%
Lovex D073.6<<locked>>88%55,796 psi87%2808 fps100%
Lovex S060<<locked>>90%57,464 psi90%2772 fps100%
Lovex S060<<locked>>88%55,695 psi87%2759 fps100%
Lovex S062<<locked>>92%54,462 psi85%2772 fps100%
Lovex S062<<locked>>92%56,333 psi88%2808 fps100%
Lovex S065ᴾ<<locked>>100%56,942 psi89%2818 fps98.9%
Lovex S065<<locked>>98%55,463 psi87%2812 fps98.9%
Lovex S070ᴾ<<locked>>100%54,230 psi85%2799 fps97.7%
Lovex S070ᴾ<<locked>>100%56,318 psi88%2844 fps98.2%
Norma 201<<locked>>90%56,231 psi88%2785 fps100%
Norma 201<<locked>>88%54,563 psi86%2776 fps100%
Norma 202<<locked>>90%56,985 psi89%2789 fps100%
Norma 202<<locked>>88%55,317 psi87%2779 fps100%
Norma 203B<<locked>>92%54,824 psi86%2822 fps99.9%
Norma 203B<<locked>>92%56,652 psi89%2861 fps100%
Norma 204ᴾ<<locked>>100%55,216 psi87%2861 fps96.1%
Norma URPᴾ<<locked>>100%51,967 psi81%2822 fps99.2%
Norma URPᴾ<<locked>>100%54,201 psi85%2867 fps99.5%
Ramshot Big Game<<locked>>92%55,579 psi87%2848 fps99.9%
Ramshot Big Game<<locked>>92%57,566 psi90%2887 fps100%
Ramshot Hunterᴾ<<locked>>100%50,908 psi80%2815 fps97.8%
Ramshot Hunterᴾ<<locked>>100%53,040 psi83%2864 fps98.4%
Ramshot TAC<<locked>>88%57,522 psi90%2818 fps99.1%
Ramshot TAC<<locked>>86%55,550 psi87%2805 fps99%
Ramshot Wild Boar<<locked>>88%56,985 psi89%2835 fps100%
Ramshot Wild Boar<<locked>>86%55,085 psi86%2822 fps100%
Ramshot X-Terminator<<locked>>84%54,317 psi85%2746 fps99.8%
Ramshot X-Terminator<<locked>>84%55,999 psi88%2785 fps100%
ReloadSwiss RS 14ᴾ<<locked>>100%35,447 psi56%1726 fps100%
ReloadSwiss RS 14ᴾ<<locked>>100%35,679 psi56%1742 fps100%
ReloadSwiss RS 40<<locked>>84%56,405 psi88%2776 fps100%
ReloadSwiss RS 40<<locked>>82%54,549 psi85%2762 fps100%
ReloadSwiss RS 50<<locked>>94%57,435 psi90%2825 fps98.5%
ReloadSwiss RS 50<<locked>>92%55,608 psi87%2815 fps98.4%
ReloadSwiss RS 52<<locked>>90%56,043 psi88%2897 fps99.9%
ReloadSwiss RS 52<<locked>>88%54,621 psi86%2890 fps99.9%
ReloadSwiss RS 60<<locked>>96%55,506 psi87%2930 fps100%
ReloadSwiss RS 60<<locked>>94%54,012 psi85%2923 fps100%
ReloadSwiss RS 62ᴾ<<locked>>100%52,301 psi82%2854 fps99.2%
ReloadSwiss RS 62ᴾ<<locked>>100%54,752 psi86%2900 fps99.5%
ReloadSwiss RS 70ᴾ<<locked>>100%52,605 psi82%2881 fps98.9%
ReloadSwiss RS 70ᴾ<<locked>>100%54,911 psi86%2936 fps99.4%
Rottweil R 901<<locked>>88%56,942 psi89%2762 fps100%
Rottweil R 901<<locked>>86%55,477 psi87%2756 fps100%
Rottweil R 902<<locked>>92%56,753 psi89%2785 fps100%
Rottweil R 902<<locked>>90%55,027 psi86%2772 fps100%
Rottweil R 903<<locked>>96%55,129 psi86%2815 fps100%
Rottweil R 903<<locked>>96%57,276 psi90%2858 fps100%
Rottweil R 907<<locked>>98%55,796 psi87%2792 fps97.2%
Rottweil R 907<<locked>>96%54,302 psi85%2785 fps97.2%
Shooters World Long Rifleᴾ<<locked>>100%56,942 psi89%2818 fps98.9%
Shooters World Long Rifle<<locked>>98%55,463 psi87%2812 fps98.9%
Shooters World Match Rifle<<locked>>90%57,276 psi90%2815 fps100%
Shooters World Match Rifle<<locked>>88%55,796 psi87%2808 fps100%
Shooters World Precision<<locked>>92%54,462 psi85%2772 fps100%
Shooters World Precision<<locked>>92%56,333 psi88%2808 fps100%
Shooters World SW4350ᴾ<<locked>>100%54,230 psi85%2799 fps97.7%
Shooters World SW4350ᴾ<<locked>>100%56,318 psi88%2844 fps98.2%
Shooters World Tactical Rifle<<locked>>82%56,159 psi88%2749 fps100%
SNPE Vectan SP 11<<locked>>96%57,232 psi90%2877 fps100%
SNPE Vectan SP 11<<locked>>94%55,782 psi87%2871 fps100%
SNPE Vectan SP 3<<locked>>82%55,854 psi88%2720 fps100%
SNPE Vectan SP 3<<locked>>82%57,667 psi90%2756 fps100%
SNPE Vectan SP 7<<locked>>88%55,622 psi87%2792 fps99.2%
SNPE Vectan SP 7<<locked>>88%57,609 psi90%2838 fps99.5%
SNPE Vectan SP 9<<locked>>90%56,115 psi88%2815 fps100%
SNPE Vectan SP 9<<locked>>88%54,592 psi86%2805 fps99.9%
SNPE Vectan Tubal 3000<<locked>>88%54,781 psi86%2684 fps100%
SNPE Vectan Tubal 3000<<locked>>88%56,507 psi89%2720 fps100%
SNPE Vectan Tubal 5000<<locked>>94%54,824 psi86%2680 fps100%
SNPE Vectan Tubal 5000<<locked>>94%56,652 psi89%2717 fps100%
SNPE Vectan Tubal 7000<<locked>>98%53,983 psi85%2720 fps97.3%
SNPE Vectan Tubal 7000<<locked>>98%56,014 psi88%2766 fps97.9%
Somchem S321<<locked>>84%54,621 psi86%2779 fps100%
Somchem S321<<locked>>84%56,463 psi88%2818 fps100%
Somchem S335<<locked>>90%57,305 psi90%2723 fps100%
Somchem S335<<locked>>88%55,608 psi87%2713 fps100%
Somchem S341<<locked>>88%55,332 psi87%2785 fps99.9%
Somchem S341<<locked>>88%57,290 psi90%2828 fps100%
Somchem S355<<locked>>96%55,593 psi87%2815 fps100%
Somchem S355<<locked>>96%57,653 psi90%2854 fps100%
Somchem S365ᴾ<<locked>>100%46,311 psi73%2772 fps100%
Somchem S365ᴾ<<locked>>100%48,399 psi76%2815 fps100%
Vihtavuori N130<<locked>>84%54,534 psi85%2648 fps100%
Vihtavuori N130<<locked>>84%56,115 psi88%2677 fps100%
Vihtavuori N133<<locked>>88%54,955 psi86%2667 fps100%
Vihtavuori N133<<locked>>88%56,724 psi89%2700 fps100%
Vihtavuori N135<<locked>>92%56,347 psi88%2746 fps100%
Vihtavuori N135<<locked>>90%54,781 psi86%2736 fps100%
Vihtavuori N140<<locked>>92%57,479 psi90%2766 fps100%
Vihtavuori N140<<locked>>90%55,970 psi88%2759 fps100%
Vihtavuori N150<<locked>>98%57,508 psi90%2795 fps100%
Vihtavuori N150<<locked>>96%55,637 psi87%2785 fps100%
Vihtavuori N160ᴾ<<locked>>100%54,621 psi86%2818 fps99.4%
Vihtavuori N160ᴾ<<locked>>100%56,811 psi89%2864 fps99.7%
Vihtavuori N530<<locked>>88%57,464 psi90%2795 fps100%
Vihtavuori N530<<locked>>86%55,593 psi87%2782 fps100%
Vihtavuori N540<<locked>>92%55,724 psi87%2766 fps100%
Vihtavuori N540<<locked>>92%57,377 psi90%2799 fps100%
Vihtavuori N550ᴾ<<locked>>100%53,635 psi84%2825 fps99.2%
Vihtavuori N550ᴾ<<locked>>100%55,637 psi87%2867 fps99.5%
Vihtavuori N555ᴾ<<locked>>100%38,870 psi61%2641 fps97.6%
Vihtavuori N555ᴾ<<locked>>100%40,886 psi64%2690 fps98.3%
Winchester 6.5 StaBALLᴾ<<locked>>100%55,361 psi87%2802 fps100%
Winchester 6.5 StaBALLᴾ<<locked>>100%57,580 psi90%2848 fps100%
Winchester 748<<locked>>88%57,464 psi90%2844 fps100%
Winchester 748<<locked>>86%55,680 psi87%2835 fps100%
Winchester 760ᴾ<<locked>>100%56,188 psi88%2887 fps97.9%
Winchester 760<<locked>>98%54,592 psi86%2877 fps97.9%
Winchester StaBALL HDᴾ<<locked>>100%32,010 psi50%2543 fps96.7%
Winchester StaBALL HDᴾ<<locked>>100%33,431 psi52%2602 fps97.9%
Winchester StaBALL Match<<locked>>90%56,159 psi88%2825 fps100%
Winchester StaBALL Match<<locked>>88%54,288 psi85%2812 fps100%

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

Start Load - Barrel Length: 24"

PowderChargeFRMaxP%V(0)z
Accurate 2015<<locked>>80%45,527 psi71%2559 fps100%
Accurate 2015<<locked>>80%47,166 psi74%2595 fps100%
Accurate 2460<<locked>>80%49,951 psi78%2671 fps100%
Accurate 2460<<locked>>80%51,663 psi81%2707 fps100%
Accurate 2495<<locked>>80%37,681 psi59%2474 fps100%
Accurate 2495<<locked>>80%39,247 psi62%2510 fps100%
Accurate 2520<<locked>>80%45,049 psi71%2628 fps100%
Accurate 2520<<locked>>80%46,760 psi73%2667 fps100%
Accurate 2700<<locked>>88%49,748 psi78%2657 fps95.6%
Accurate 2700<<locked>>86%48,095 psi75%2644 fps95.5%
Accurate 4064<<locked>>80%35,665 psi56%2464 fps99.9%
Accurate 4064<<locked>>80%37,188 psi58%2503 fps100%
Accurate 4350<<locked>>88%34,330 psi54%2497 fps95.4%
Accurate 4350<<locked>>86%33,533 psi53%2484 fps95.3%
Accurate LT-30<<locked>>80%54,027 psi85%2635 fps100%
ADI AR 2206H<<locked>>80%42,148 psi66%2585 fps98.6%
ADI AR 2206H<<locked>>80%43,511 psi68%2625 fps99%
ADI AR 2208<<locked>>80%35,752 psi56%2438 fps96.4%
ADI AR 2208<<locked>>80%36,825 psi58%2474 fps97%
ADI Benchmark 8208<<locked>>80%44,266 psi69%2598 fps99.6%
ADI Benchmark 8208<<locked>>80%45,672 psi72%2635 fps99.8%
Alliant AR-Comp<<locked>>80%43,903 psi69%2582 fps100%
Alliant AR-Comp<<locked>>80%45,716 psi72%2621 fps100%
Alliant Power Pro 1200-R<<locked>>80%51,750 psi81%2799 fps99.9%
Alliant Power Pro 1200-R<<locked>>80%53,534 psi84%2838 fps100%
Alliant Power Pro 2000-MR51.1 gr80%38,087 psi60%2605 fps96.9%
Alliant Power Pro 2000-MR51.1 gr80%39,465 psi62%2651 fps97.6%
Alliant Reloder- TS 15.5<<locked>>80%35,056 psi55%2457 fps97.9%
Alliant Reloder- TS 15.5<<locked>>80%36,405 psi57%2497 fps98.4%
Alliant Reloder-10x<<locked>>80%51,416 psi81%2651 fps100%
Alliant Reloder-10x<<locked>>80%52,924 psi83%2684 fps100%
Alliant Reloder-15<<locked>>80%37,869 psi59%2520 fps97.2%
Alliant Reloder-15<<locked>>80%39,204 psi61%2559 fps97.8%
Alliant Reloder-16<<locked>>88%35,172 psi55%2513 fps95.6%
Alliant Reloder-16<<locked>>86%34,113 psi53%2500 fps95.5%
Alliant Reloder-1750.3 gr80%30,139 psi47%2408 fps95.3%
Alliant Reloder-1750.3 gr80%31,299 psi49%2457 fps96.2%
Alliant Reloder-23<<locked>>94%29,936 psi47%2405 fps95%
Alliant Reloder-23<<locked>>94%31,038 psi49%2451 fps95.9%
Alliant Reloder-26<<locked>>98%37,144 psi58%2648 fps95.5%
Alliant Reloder-26<<locked>>96%36,303 psi57%2638 fps95.5%
Baschieri & Pellagri 106<<locked>>80%53,447 psi84%2635 fps100%
Baschieri & Pellagri 107<<locked>>80%41,220 psi65%2585 fps97.5%
Baschieri & Pellagri 107<<locked>>80%42,627 psi67%2628 fps98.1%
Bofors RP3<<locked>>80%34,476 psi54%2457 fps97.8%
Bofors RP3<<locked>>80%35,810 psi56%2493 fps98.3%
Bofors RP7<<locked>>92%46,166 psi72%2635 fps95%
Bofors RP7<<locked>>90%44,976 psi70%2628 fps95%
Hodgdon Benchmark<<locked>>80%45,905 psi72%2585 fps99.9%
Hodgdon Benchmark<<locked>>80%47,282 psi74%2621 fps100%
Hodgdon BL-C2<<locked>>80%42,699 psi67%2615 fps99.8%
Hodgdon BL-C2<<locked>>80%44,251 psi69%2654 fps99.9%
Hodgdon CFE223<<locked>>80%47,094 psi74%2753 fps99.1%
Hodgdon CFE223<<locked>>80%49,066 psi77%2795 fps99.5%
Hodgdon H322<<locked>>80%50,604 psi79%2690 fps100%
Hodgdon H322<<locked>>80%52,228 psi82%2726 fps100%
Hodgdon H335<<locked>>80%51,387 psi81%2713 fps100%
Hodgdon H335<<locked>>80%53,084 psi83%2749 fps100%
Hodgdon H380<<locked>>80%35,534 psi56%2461 fps95.1%
Hodgdon H380<<locked>>80%36,738 psi58%2497 fps95.8%
Hodgdon H414<<locked>>94%45,818 psi72%2720 fps95.8%
Hodgdon H414<<locked>>92%44,556 psi70%2710 fps95.8%
Hodgdon H4350<<locked>>94%50,285 psi79%2746 fps95.3%
Hodgdon H4350<<locked>>92%48,573 psi76%2730 fps95.2%
Hodgdon H4895<<locked>>80%42,482 psi67%2598 fps99.1%
Hodgdon H4895<<locked>>80%43,888 psi69%2635 fps99.4%
Hodgdon Hybrid 100V<<locked>>86%30,008 psi47%2356 fps95.4%
Hodgdon Hybrid 100V<<locked>>84%29,196 psi46%2346 fps95.3%
Hodgdon LEVERevolution<<locked>>80%38,261 psi60%2562 fps98.7%
Hodgdon LEVERevolution<<locked>>80%39,813 psi62%2605 fps99.1%
Hodgdon Superformance<<locked>>94%46,166 psi72%2743 fps95.1%
Hodgdon Superformance<<locked>>92%44,483 psi70%2723 fps95%
Hodgdon TrailBoss<<locked>>80%25,976 psi41%1503 fps100%
Hodgdon TrailBoss<<locked>>80%26,252 psi41%1522 fps100%
Hodgdon VARGET<<locked>>80%40,785 psi64%2549 fps98.8%
Hodgdon VARGET<<locked>>80%42,119 psi66%2589 fps99.1%
IMR 3031<<locked>>80%41,843 psi66%2595 fps100%
IMR 3031<<locked>>80%43,323 psi68%2628 fps100%
IMR 4064<<locked>>80%37,521 psi59%2470 fps97.2%
IMR 4064<<locked>>80%38,624 psi61%2507 fps97.7%
IMR 4166 Enduron<<locked>>84%45,440 psi71%2595 fps95.5%
IMR 4166 Enduron<<locked>>82%43,961 psi69%2582 fps95.4%
IMR 4198<<locked>>80%52,054 psi82%2615 fps100%
IMR 4198<<locked>>80%53,374 psi84%2644 fps100%
IMR 4350<<locked>>96%46,267 psi73%2661 fps95.1%
IMR 4350<<locked>>94%44,947 psi70%2651 fps95%
IMR 4451 Enduron<<locked>>90%45,252 psi71%2621 fps95.3%
IMR 4451 Enduron<<locked>>88%43,918 psi69%2612 fps95.3%
IMR 4831<<locked>>88%33,475 psi52%2454 fps95.1%
IMR 4831<<locked>>88%34,824 psi55%2497 fps95.9%
IMR 4895<<locked>>80%38,769 psi61%2549 fps98.1%
IMR 4895<<locked>>80%40,147 psi63%2589 fps98.5%
IMR 8208 XBR<<locked>>80%44,266 psi69%2598 fps99.6%
IMR 8208 XBR<<locked>>80%45,672 psi72%2635 fps99.8%
Lovex D073.5<<locked>>80%49,617 psi78%2677 fps100%
Lovex D073.5<<locked>>80%51,271 psi80%2713 fps100%
Lovex D073.6<<locked>>80%40,843 psi64%2566 fps99.9%
Lovex D073.6<<locked>>80%42,264 psi66%2598 fps100%
Lovex S060<<locked>>80%42,395 psi66%2530 fps98.7%
Lovex S060<<locked>>80%43,714 psi69%2566 fps99.1%
Lovex S062<<locked>>80%37,217 psi58%2474 fps98.7%
Lovex S062<<locked>>80%38,609 psi61%2513 fps99.1%
Lovex S065<<locked>>88%39,204 psi61%2513 fps95.3%
Lovex S065<<locked>>86%38,000 psi60%2500 fps95.2%
Lovex S070<<locked>>94%44,918 psi70%2644 fps95.7%
Lovex S070<<locked>>92%43,526 psi68%2631 fps95.6%
Norma 201<<locked>>80%40,930 psi64%2536 fps99.3%
Norma 201<<locked>>80%42,322 psi66%2575 fps99.6%
Norma 202<<locked>>80%41,365 psi65%2549 fps100%
Norma 202<<locked>>80%42,844 psi67%2585 fps100%
Norma 203B<<locked>>80%37,246 psi58%2510 fps97.6%
Norma 203B<<locked>>80%38,580 psi60%2546 fps98.1%
Norma 204<<locked>>98%51,677 psi81%2802 fps95.3%
Norma URP<<locked>>88%34,896 psi55%2500 fps95.3%
Norma URP<<locked>>86%34,084 psi53%2490 fps95.3%
Ramshot Big Game<<locked>>80%36,680 psi57%2516 fps97.3%
Ramshot Big Game<<locked>>80%38,058 psi60%2559 fps97.9%
Ramshot Hunter<<locked>>94%41,713 psi65%2648 fps95.6%
Ramshot Hunter<<locked>>92%40,582 psi64%2638 fps95.5%
Ramshot TAC<<locked>>80%44,092 psi69%2598 fps96.9%
Ramshot TAC<<locked>>80%45,440 psi71%2638 fps97.4%
Ramshot Wild Boar<<locked>>80%43,352 psi68%2618 fps98.8%
Ramshot Wild Boar<<locked>>80%44,817 psi70%2657 fps99.2%
Ramshot X-Terminator<<locked>>80%47,805 psi75%2644 fps99.3%
Ramshot X-Terminator<<locked>>80%49,226 psi77%2680 fps99.6%
ReloadSwiss RS 14<<locked>>80%26,223 psi41%1539 fps100%
ReloadSwiss RS 14<<locked>>80%26,498 psi42%1558 fps100%
ReloadSwiss RS 40<<locked>>80%49,705 psi78%2680 fps100%
ReloadSwiss RS 40<<locked>>80%51,155 psi80%2713 fps100%
ReloadSwiss RS 50<<locked>>84%41,147 psi64%2552 fps95%
ReloadSwiss RS 50<<locked>>84%42,656 psi67%2595 fps95.8%
ReloadSwiss RS 52<<locked>>80%39,552 psi62%2618 fps97.7%
ReloadSwiss RS 52<<locked>>80%41,060 psi64%2657 fps98.2%
ReloadSwiss RS 6050.3 gr80%32,155 psi50%2480 fps98.7%
ReloadSwiss RS 6050.3 gr80%33,373 psi52%2523 fps99.2%
ReloadSwiss RS 62<<locked>>90%36,709 psi58%2569 fps95.8%
ReloadSwiss RS 62<<locked>>88%35,868 psi56%2559 fps95.7%
ReloadSwiss RS 70<<locked>>92%39,987 psi63%2641 fps96%
ReloadSwiss RS 70<<locked>>90%38,783 psi61%2628 fps95.9%
Rottweil R 901<<locked>>80%44,701 psi70%2579 fps100%
Rottweil R 901<<locked>>80%46,296 psi73%2618 fps100%
Rottweil R 902<<locked>>80%39,030 psi61%2490 fps99%
Rottweil R 902<<locked>>80%40,205 psi63%2526 fps99.3%
Rottweil R 903<<locked>>80%32,213 psi50%2395 fps96.8%
Rottweil R 903<<locked>>80%33,562 psi53%2438 fps97.4%
Rottweil R 907<<locked>>92%46,166 psi72%2635 fps95%
Rottweil R 907<<locked>>90%44,976 psi70%2628 fps95%
Shooters World Long Rifle<<locked>>88%39,204 psi61%2513 fps95.3%
Shooters World Long Rifle<<locked>>86%38,000 psi60%2500 fps95.2%
Shooters World Match Rifle<<locked>>80%40,843 psi64%2566 fps99.9%
Shooters World Match Rifle<<locked>>80%42,264 psi66%2598 fps100%
Shooters World Precision<<locked>>80%37,217 psi58%2474 fps98.7%
Shooters World Precision<<locked>>80%38,609 psi61%2513 fps99.1%
Shooters World SW4350<<locked>>94%44,918 psi70%2644 fps95.7%
Shooters World SW4350<<locked>>92%43,526 psi68%2631 fps95.6%
Shooters World Tactical Rifle<<locked>>80%52,504 psi82%2697 fps100%
SNPE Vectan SP 11<<locked>>80%33,576 psi53%2451 fps96.3%
SNPE Vectan SP 11<<locked>>80%34,751 psi54%2490 fps97%
SNPE Vectan SP 3<<locked>>80%52,431 psi82%2674 fps100%
SNPE Vectan SP 3<<locked>>80%53,954 psi85%2707 fps100%
SNPE Vectan SP 7<<locked>>80%42,003 psi66%2566 fps96.9%
SNPE Vectan SP 7<<locked>>80%43,482 psi68%2608 fps97.5%
SNPE Vectan SP 9<<locked>>80%40,640 psi64%2556 fps98.3%
SNPE Vectan SP 9<<locked>>80%41,916 psi66%2592 fps98.7%
SNPE Vectan Tubal 3000<<locked>>80%42,583 psi67%2497 fps100%
SNPE Vectan Tubal 3000<<locked>>80%43,816 psi69%2530 fps100%
SNPE Vectan Tubal 5000<<locked>>80%35,201 psi55%2365 fps100%
SNPE Vectan Tubal 5000<<locked>>80%36,303 psi57%2398 fps100%
SNPE Vectan Tubal 7000<<locked>>92%44,106 psi69%2562 fps95.2%
SNPE Vectan Tubal 7000<<locked>>90%42,902 psi67%2556 fps95.2%
Somchem S321<<locked>>80%47,659 psi75%2674 fps99.9%
Somchem S321<<locked>>80%49,197 psi77%2710 fps100%
Somchem S335<<locked>>80%42,018 psi66%2500 fps100%
Somchem S335<<locked>>80%43,410 psi68%2533 fps100%
Somchem S341<<locked>>80%41,989 psi66%2572 fps98.6%
Somchem S341<<locked>>80%43,410 psi68%2608 fps98.9%
Somchem S355<<locked>>80%33,272 psi52%2405 fps96.9%
Somchem S355<<locked>>80%34,548 psi54%2448 fps97.5%
Somchem S365<<locked>>84%27,282 psi43%2339 fps95.7%
Somchem S365<<locked>>82%26,600 psi42%2326 fps95.6%
Vihtavuori N130<<locked>>80%48,240 psi76%2559 fps100%
Vihtavuori N130<<locked>>80%49,574 psi78%2592 fps100%
Vihtavuori N133<<locked>>80%42,917 psi67%2493 fps100%
Vihtavuori N133<<locked>>80%44,179 psi69%2526 fps100%
Vihtavuori N135<<locked>>80%38,305 psi60%2477 fps100%
Vihtavuori N135<<locked>>80%39,668 psi62%2510 fps100%
Vihtavuori N140<<locked>>80%39,015 psi61%2484 fps100%
Vihtavuori N140<<locked>>80%40,408 psi63%2520 fps100%
Vihtavuori N150<<locked>>80%31,560 psi49%2346 fps97.7%
Vihtavuori N150<<locked>>80%32,808 psi51%2385 fps98.3%
Vihtavuori N160<<locked>>86%34,272 psi54%2448 fps95%
Vihtavuori N160<<locked>>86%35,781 psi56%2497 fps95.9%
Vihtavuori N530<<locked>>80%44,251 psi69%2592 fps99.7%
Vihtavuori N530<<locked>>80%45,658 psi72%2631 fps99.9%
Vihtavuori N540<<locked>>80%37,695 psi59%2477 fps99.8%
Vihtavuori N540<<locked>>80%38,957 psi61%2510 fps100%
Vihtavuori N550<<locked>>88%35,969 psi56%2503 fps95.4%
Vihtavuori N550<<locked>>86%35,085 psi55%2493 fps95.4%
Vihtavuori N555<<locked>>94%31,850 psi50%2480 fps95.1%
Vihtavuori N555<<locked>>92%31,256 psi49%2470 fps95.1%
Winchester 6.5 StaBALL<<locked>>82%30,139 psi47%2323 fps95.6%
Winchester 6.5 StaBALL<<locked>>80%29,196 psi46%2310 fps95.4%
Winchester 748<<locked>>80%43,555 psi68%2635 fps99.9%
Winchester 748<<locked>>80%45,237 psi71%2674 fps100%
Winchester 760<<locked>>92%43,062 psi67%2667 fps95%
Winchester 760<<locked>>92%44,556 psi70%2710 fps95.8%
Winchester StaBALL HD<<locked>>98%29,965 psi47%2474 fps95.3%
Winchester StaBALL HD<<locked>>96%29,269 psi46%2470 fps95.3%
Winchester StaBALL Match<<locked>>80%39,958 psi63%2556 fps98.7%
Winchester StaBALL Match<<locked>>80%41,452 psi65%2598 fps99.1%

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 210 powders for .300 RCM loaded with the .308 | 171gr | Peregrine VLR5 (VLR-5). Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 2,956 fps; across all powders the maximum-charge window runs from 1,683 fps to 2,956 fps. Accurate 4350 gives the best case fill at 100 %, and 210 of the 210 powders fall inside the usable 80–100 % fill window.

Relative to the caliber's maximum pressure (440 MPa), the top charges use 50–90 %, leaving at least 10 % headroom. The 171.0 gr projectile in 0.308" calls for a 1:11.0 twist; slower twists will usually not stabilise this weight. Accurate 4350, Accurate 4350, Alliant Reloder-16 reach 100 % fill or more at maximum charge, so these are compressed loads: they need a long drop tube to seat cleanly and react sensitively to the case capacity of your own brass lot. ReloadSwiss RS 60, Alliant Power Pro 2000-MR, Alliant Reloder-17 rank at the top here: for .300 RCM with the .308 | 171gr | Peregrine VLR5 (VLR-5) 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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