Load data for 6.5 PRC + .264 | 123gr | MRR Green Hunting

6.5 PRC cartridge drawing
MRR logo

Load Specifications

Bullet Manufacturer:MRR
Bullet Weight:123 gr
Bullet Diameter:0.264"
Bullet Length:<<locked>>
Case Length (l3):2.03"
Cartridge Length (C.O.L.):<<locked>>
Case Capacity:68 Grains of Water
Primer Size:Large Rifle (LR)
Barrel Length:24"
Max. allowed Pressure:64,977 psi
Recommended Twist Rate:1:9.5

Load data in caliber 6.5 PRC with .264 | 123gr | MRR Green Hunting bullet and 92 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant Reloder-26, Norma MRP and Vihtavuori N560.

Important Notice: DO NOT go below Minimum Charge or above Maximum Charge. Since we have no control over the equipment and components used, any responsibility and liability for the results achieved is rejected.

Only powders/loads that match the current filter criteria are displayed: max pressure of a load ≤ 90% of max. standardized pressure, fill rate ≥ 80% and propellant combustion ≥ 95%. Use the sliders above the tables to adjust these thresholds.

Charge: Powder weight in grains. Start with the minimum load and work up carefully.

FR (Fill Rate): Case fill as a percentage. Values above 100% mean compressed loads.

MaxP / %: Maximum chamber pressure in bar and as a percentage of the standardized maximum for this caliber.

V(0): Muzzle velocity in feet per second (fps) at the standardized barrel length.

z (Powder Burn): Estimated propellant combustion percentage at bullet exit.

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Max Load - Barrel Length: 24"

PowderChargeFRMaxP%V(0)z
Accurate 2495<<locked>>82%57,972 psi89%2890 fps100%
Accurate 2700<<locked>>82%55,230 psi85%2913 fps98.9%
Accurate 3100ᴾ<<locked>>100%57,551 psi89%3018 fps99.9%
Accurate 4064<<locked>>84%58,291 psi90%2949 fps100%
Accurate 4350<<locked>>90%55,637 psi86%3012 fps100%
Accurate MAGPRO<<locked>>98%56,188 psi86%3110 fps96.6%
ADI AR 2208<<locked>>86%57,783 psi89%2982 fps100%
ADI AR 2209<<locked>>96%56,594 psi87%3058 fps98.6%
ADI AR 2213ᴾ<<locked>>100%58,189 psi90%3117 fps97.8%
Alliant Power Pro 2000-MR<<locked>>82%57,899 psi89%3114 fps100%
Alliant Reloder- TS 15.5<<locked>>84%55,608 psi86%2956 fps100%
Alliant Reloder-15<<locked>>82%55,622 psi86%2976 fps100%
Alliant Reloder-16<<locked>>92%56,405 psi87%3071 fps100%
Alliant Reloder-17<<locked>>88%58,059 psi89%3094 fps100%
Alliant Reloder-19<<locked>>96%55,956 psi86%3045 fps98.5%
Alliant Reloder-22ᴾ<<locked>>100%57,421 psi88%3110 fps98.9%
Alliant Reloder-23ᴾ<<locked>>100%54,317 psi84%3031 fps100%
Alliant Reloder-25ᴾ<<locked>>100%46,934 psi72%2963 fps99.6%
Alliant Reloder-26<<locked>>98%58,610 psi90%3182 fps100%
Bofors RP15ᴾ<<locked>>100%52,475 psi81%3028 fps98%
Bofors RP3<<locked>>84%56,478 psi87%2972 fps100%
Bofors RP5ᴾ<<locked>>100%57,421 psi88%3110 fps98.9%
Bofors RP7<<locked>>88%55,521 psi85%2959 fps99.1%
Hodgdon H1000ᴾ<<locked>>100%46,557 psi72%2897 fps96%
Hodgdon H380<<locked>>84%56,652 psi87%2989 fps100%
Hodgdon H414<<locked>>90%57,841 psi89%3068 fps99.6%
Hodgdon H4350<<locked>>88%57,174 psi88%3022 fps98.9%
Hodgdon H4831<<locked>>98%58,363 psi90%3058 fps97.2%
Hodgdon H4831 SC<<locked>>98%57,029 psi88%3035 fps97%
Hodgdon Hybrid 100V<<locked>>94%56,913 psi88%2992 fps100%
Hodgdon LEVERevolution<<locked>>82%58,015 psi89%3022 fps100%
Hodgdon Retumboᴾ<<locked>>100%46,151 psi71%3005 fps97.5%
Hodgdon Superformance<<locked>>90%58,407 psi90%3107 fps99.6%
Hodgdon TrailBossᴾ<<locked>>100%36,695 psi56%1867 fps100%
Hodgdon VARGET<<locked>>82%58,233 psi90%2982 fps100%
IMR 4064<<locked>>84%57,363 psi88%2963 fps100%
IMR 4166 Enduron<<locked>>82%56,478 psi87%2949 fps99.5%
IMR 4350<<locked>>92%56,768 psi87%2995 fps99.2%
IMR 4451 Enduron<<locked>>88%57,319 psi88%2989 fps99.5%
IMR 4831<<locked>>92%56,014 psi86%3002 fps100%
IMR 4895<<locked>>82%57,087 psi88%3005 fps100%
IMR 4955 Enduron<<locked>>96%55,854 psi86%2982 fps97%
IMR 7828 SSCᴾ<<locked>>100%55,477 psi85%3087 fps97.5%
Lovex S060<<locked>>82%58,697 psi90%2946 fps100%
Lovex S062<<locked>>84%57,653 psi89%2956 fps100%
Lovex S065<<locked>>90%57,479 psi88%2982 fps99.9%
Lovex S070<<locked>>90%55,506 psi85%2976 fps99.5%
Lovex S071ᴾ<<locked>>100%47,964 psi74%2867 fps99.1%
Norma 203B<<locked>>84%58,668 psi90%3018 fps100%
Norma 204<<locked>>92%57,667 psi89%3048 fps98.6%
Norma MRP<<locked>>98%56,927 psi88%3133 fps99.6%
Norma URP<<locked>>92%57,928 psi89%3051 fps100%
Ramshot Big Game<<locked>>82%55,782 psi86%2989 fps100%
Ramshot Grandᴾ<<locked>>100%56,246 psi87%3110 fps98%
Ramshot Hunter<<locked>>92%56,695 psi87%3051 fps99.9%
Ramshot Magnumᴾ<<locked>>100%50,372 psi78%2976 fps98.4%
ReloadSwiss RS 14ᴾ<<locked>>100%37,217 psi57%1909 fps100%
ReloadSwiss RS 50<<locked>>84%56,434 psi87%2972 fps99.7%
ReloadSwiss RS 60<<locked>>86%57,508 psi89%3084 fps100%
ReloadSwiss RS 62<<locked>>90%55,579 psi86%3031 fps100%
ReloadSwiss RS 70<<locked>>92%58,030 psi89%3123 fps100%
ReloadSwiss RS 76ᴾ<<locked>>100%46,282 psi71%2999 fps98.6%
Rottweil R 902<<locked>>82%56,188 psi86%2920 fps100%
Rottweil R 903<<locked>>86%56,637 psi87%2969 fps100%
Rottweil R 904<<locked>>96%58,131 psi89%3025 fps97.9%
Rottweil R 905<<locked>>96%55,347 psi85%3035 fps98.6%
Rottweil R 907<<locked>>88%55,521 psi85%2959 fps99.1%
Shooters World Long Rifle<<locked>>90%57,479 psi88%2982 fps99.9%
Shooters World Precision<<locked>>84%57,653 psi89%2956 fps100%
Shooters World SW4350<<locked>>90%55,506 psi85%2976 fps99.5%
SNPE Vectan SP 11<<locked>>86%58,030 psi89%3028 fps100%
SNPE Vectan SP 9<<locked>>82%58,711 psi90%2999 fps100%
SNPE Vectan Tubal 5000<<locked>>86%57,087 psi88%2844 fps100%
SNPE Vectan Tubal 7000<<locked>>90%56,913 psi88%2933 fps99.5%
SNPE Vectan Tubal 8000<<locked>>98%58,436 psi90%3084 fps98.9%
Somchem S355<<locked>>86%56,260 psi87%2963 fps100%
Somchem S361<<locked>>94%56,318 psi87%2963 fps96.8%
Somchem S365<<locked>>94%57,827 psi89%3051 fps100%
Somchem S385<<locked>>96%55,912 psi86%3005 fps99.1%
Vihtavuori N135<<locked>>82%56,623 psi87%2874 fps100%
Vihtavuori N140<<locked>>82%56,855 psi88%2890 fps100%
Vihtavuori N150<<locked>>88%57,653 psi89%2933 fps100%
Vihtavuori N160<<locked>>90%56,275 psi87%2989 fps100%
Vihtavuori N165ᴾ<<locked>>100%55,187 psi85%2979 fps98.8%
Vihtavuori N540<<locked>>84%58,494 psi90%2933 fps100%
Vihtavuori N550<<locked>>90%55,637 psi86%2995 fps100%
Vihtavuori N555<<locked>>98%56,913 psi88%3061 fps100%
Vihtavuori N560<<locked>>98%57,029 psi88%3123 fps97.4%
Winchester 6.5 StaBALL<<locked>>90%55,999 psi86%2949 fps100%
Winchester 760<<locked>>90%58,146 psi89%3071 fps99.7%
Winchester StaBALL HDᴾ<<locked>>100%49,951 psi77%3100 fps100%
Winchester Supreme 780<<locked>>98%56,217 psi87%3002 fps98.5%

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%54,172 psi83%2841 fps100%
Accurate 2700<<locked>>80%51,445 psi79%2854 fps98.4%
Accurate 3100<<locked>>84%33,533 psi52%2559 fps95.4%
Accurate 4064<<locked>>80%51,343 psi79%2848 fps100%
Accurate 4350<<locked>>80%39,479 psi61%2717 fps98.7%
Accurate MAGPRO<<locked>>96%52,112 psi80%3041 fps95.6%
ADI AR 2208<<locked>>80%48,254 psi74%2825 fps99.9%
ADI AR 2209<<locked>>88%43,511 psi67%2818 fps95.7%
ADI AR 2213<<locked>>94%47,297 psi73%2920 fps95.3%
Alliant Power Pro 2000-MR<<locked>>80%54,027 psi83%3054 fps100%
Alliant Reloder- TS 15.5<<locked>>80%48,965 psi75%2851 fps100%
Alliant Reloder-15<<locked>>80%52,069 psi80%2920 fps100%
Alliant Reloder-16<<locked>>80%38,218 psi59%2726 fps98.8%
Alliant Reloder-17<<locked>>80%43,642 psi67%2858 fps100%
Alliant Reloder-19<<locked>>88%43,308 psi67%2812 fps95.8%
Alliant Reloder-22<<locked>>90%40,915 psi63%2802 fps95.2%
Alliant Reloder-23<<locked>>80%28,152 psi43%2470 fps96.8%
Alliant Reloder-25<<locked>>88%31,981 psi49%2595 fps95.1%
Alliant Reloder-2649.9 gr80%30,211 psi46%2585 fps95.2%
Bofors RP15<<locked>>94%43,207 psi66%2851 fps95.8%
Bofors RP3<<locked>>80%49,327 psi76%2861 fps100%
Bofors RP5<<locked>>90%40,915 psi63%2802 fps95.2%
Bofors RP7<<locked>>80%43,352 psi67%2733 fps96.9%
Hodgdon H1000<<locked>>98%43,439 psi67%2828 fps95%
Hodgdon H380<<locked>>80%49,559 psi76%2874 fps99.8%
Hodgdon H414<<locked>>80%41,321 psi64%2762 fps96.9%
Hodgdon H4350<<locked>>80%44,164 psi68%2785 fps96.3%
Hodgdon H4831<<locked>>94%50,807 psi78%2933 fps95.6%
Hodgdon H4831 SC<<locked>>94%49,661 psi76%2910 fps95.3%
Hodgdon Hybrid 100V<<locked>>80%35,839 psi55%2615 fps99.2%
Hodgdon LEVERevolution<<locked>>80%54,288 psi84%2969 fps100%
Hodgdon Retumbo<<locked>>96%40,350 psi62%2861 fps95.4%
Hodgdon Superformance<<locked>>80%40,437 psi62%2779 fps96.3%
Hodgdon TrailBoss<<locked>>80%27,253 psi42%1667 fps100%
Hodgdon VARGET<<locked>>80%54,824 psi84%2933 fps100%
IMR 4064<<locked>>80%50,778 psi78%2861 fps100%
IMR 4166 Enduron<<locked>>80%52,953 psi81%2894 fps99.1%
IMR 4350<<locked>>80%38,943 psi60%2657 fps95.6%
IMR 4451 Enduron<<locked>>80%44,701 psi69%2762 fps97.6%
IMR 4831<<locked>>80%37,855 psi58%2667 fps98.5%
IMR 4895<<locked>>80%53,447 psi82%2949 fps100%
IMR 4955 Enduron<<locked>>92%49,313 psi76%2867 fps95.5%
IMR 7828 SSC<<locked>>96%48,573 psi75%2959 fps95.9%
Lovex S060<<locked>>80%55,347 psi85%2897 fps100%
Lovex S062<<locked>>80%51,097 psi79%2858 fps100%
Lovex S065<<locked>>80%42,148 psi65%2710 fps98.3%
Lovex S070<<locked>>80%40,393 psi62%2690 fps96.9%
Lovex S071<<locked>>90%34,722 psi53%2589 fps95.8%
Norma 203B<<locked>>80%51,430 psi79%2904 fps100%
Norma 204<<locked>>84%43,903 psi68%2802 fps95.7%
Norma MRP52.1 gr86%37,478 psi58%2753 fps95.5%
Norma URP<<locked>>80%39,131 psi60%2710 fps98.6%
Ramshot Big Game<<locked>>80%52,199 psi80%2933 fps100%
Ramshot Grand<<locked>>94%45,324 psi70%2907 fps95.3%
Ramshot Hunter<<locked>>80%37,927 psi58%2694 fps96.8%
Ramshot Magnum<<locked>>94%40,306 psi62%2776 fps95.8%
ReloadSwiss RS 14<<locked>>80%27,789 psi43%1706 fps100%
ReloadSwiss RS 50<<locked>>80%49,588 psi76%2858 fps99%
ReloadSwiss RS 60<<locked>>80%46,325 psi71%2910 fps100%
ReloadSwiss RS 62<<locked>>80%39,450 psi61%2740 fps98.5%
ReloadSwiss RS 70<<locked>>80%38,101 psi59%2746 fps98%
ReloadSwiss RS 76<<locked>>94%37,304 psi57%2779 fps95.3%
Rottweil R 902<<locked>>80%52,881 psi81%2867 fps100%
Rottweil R 903<<locked>>80%46,499 psi72%2808 fps100%
Rottweil R 904<<locked>>88%45,208 psi70%2799 fps95%
Rottweil R 905<<locked>>88%42,438 psi65%2795 fps95.7%
Rottweil R 907<<locked>>80%43,352 psi67%2733 fps96.9%
Shooters World Long Rifle<<locked>>80%42,148 psi65%2710 fps98.3%
Shooters World Precision<<locked>>80%51,097 psi79%2858 fps100%
Shooters World SW4350<<locked>>80%40,393 psi62%2690 fps96.9%
SNPE Vectan SP 11<<locked>>80%47,601 psi73%2861 fps100%
SNPE Vectan SP 9<<locked>>80%55,027 psi85%2943 fps100%
SNPE Vectan Tubal 5000<<locked>>80%47,485 psi73%2707 fps100%
SNPE Vectan Tubal 7000<<locked>>80%41,278 psi64%2654 fps97%
SNPE Vectan Tubal 8000<<locked>>88%42,047 psi65%2785 fps95.6%
Somchem S355<<locked>>80%46,673 psi72%2805 fps100%
Somchem S361<<locked>>90%49,240 psi76%2841 fps95.2%
Somchem S365<<locked>>80%35,737 psi55%2667 fps99.9%
Somchem S385<<locked>>84%37,768 psi58%2657 fps95.1%
Vihtavuori N135<<locked>>80%53,171 psi82%2825 fps100%
Vihtavuori N140<<locked>>80%53,229 psi82%2841 fps100%
Vihtavuori N150<<locked>>80%44,570 psi69%2730 fps100%
Vihtavuori N160<<locked>>80%40,509 psi62%2707 fps98.8%
Vihtavuori N165<<locked>>90%39,639 psi61%2690 fps95.3%
Vihtavuori N540<<locked>>80%51,430 psi79%2835 fps100%
Vihtavuori N550<<locked>>80%39,987 psi62%2710 fps98.6%
Vihtavuori N555<<locked>>80%31,270 psi48%2552 fps96.9%
Vihtavuori N56056.9 gr94%49,734 psi77%2995 fps95.7%
Winchester 6.5 StaBALL<<locked>>80%39,755 psi61%2677 fps99.9%
Winchester 760<<locked>>80%41,553 psi64%2769 fps97%
Winchester StaBALL HD<<locked>>80%24,874 psi38%2438 fps95.4%
Winchester Supreme 780<<locked>>90%42,409 psi65%2756 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 92 powders for 6.5 PRC loaded with the .264 | 123gr | MRR Green Hunting. Alliant Reloder-26 delivers the highest muzzle velocity at 3,182 fps; across all powders the maximum-charge window runs from 1,867 fps to 3,182 fps. Accurate 3100 gives the best case fill at 100 %, and 92 of the 92 powders fall inside the usable 80–100 % fill window.

Relative to the caliber's maximum pressure (448 MPa), the top charges use 56–90 %, leaving at least 10 % headroom. The 123.0 gr projectile in 0.264" calls for a 1:9.5 twist; slower twists will usually not stabilise this weight. Accurate 3100, ADI AR 2213, Alliant Reloder-22 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. Alliant Reloder-26, Norma MRP, Vihtavuori N560 rank at the top here: for 6.5 PRC with the .264 | 123gr | MRR Green Hunting 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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