Load data for 6.5 x 64 Brenneke + .264 | 130gr | Berger AR Hybrid OTM Tactical

6.5 x 64 Brenneke cartridge drawing
Berger logo

Load Specifications

Bullet Manufacturer:Berger
Bullet Weight:130 gr
Bullet Diameter:0.264"
Bullet Length:<<locked>>
Case Length (l3):2.54"
Cartridge Length (C.O.L.):<<locked>>
Case Capacity:67 Grains of Water
Primer Size:Large Rifle (LR)
Barrel Length:23.62"
Max. allowed Pressure:62,366 psi
Recommended Twist Rate:1:9.5

Load data in caliber 6.5 x 64 Brenneke with .264 | 130gr | Berger AR Hybrid OTM Tactical bullet and 84 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Norma MRP, Vihtavuori N560 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.

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Max Load - Barrel Length: 23.62"

PowderChargeFRMaxP%V(0)z
Accurate 2700<<locked>>82%55,100 psi88%2802 fps98.9%
Accurate 3100<<locked>>98%53,432 psi86%2844 fps99.7%
Accurate 4064<<locked>>82%54,636 psi88%2785 fps100%
Accurate 4350<<locked>>90%55,506 psi89%2897 fps100%
Accurate High Country<<locked>>96%54,592 psi88%2986 fps97.6%
Accurate MAGPRO<<locked>>98%55,840 psi90%2992 fps96.5%
ADI AR 2208<<locked>>84%54,288 psi87%2812 fps100%
ADI AR 2209<<locked>>96%56,217 psi90%2940 fps98.5%
ADI AR 2213<<locked>>98%53,940 psi86%2933 fps97.1%
Alliant Reloder- TS 15.5<<locked>>84%55,216 psi89%2838 fps100%
Alliant Reloder-15<<locked>>82%55,492 psi89%2861 fps100%
Alliant Reloder-16<<locked>>92%56,246 psi90%2949 fps100%
Alliant Reloder-17<<locked>>86%53,693 psi86%2913 fps100%
Alliant Reloder-19<<locked>>96%55,622 psi89%2927 fps98.5%
Alliant Reloder-22<<locked>>98%53,142 psi85%2930 fps98.3%
Alliant Reloder-23ᴾ<<locked>>100%53,780 psi86%2913 fps100%
Alliant Reloder-25ᴾ<<locked>>100%46,891 psi75%2851 fps99.6%
Alliant Reloder-26<<locked>>96%54,012 psi87%3002 fps100%
Bofors RP15ᴾ<<locked>>100%52,054 psi83%2910 fps98%
Bofors RP3<<locked>>84%56,304 psi90%2858 fps100%
Bofors RP5<<locked>>98%53,142 psi85%2930 fps98.3%
Bofors RP7<<locked>>88%55,463 psi89%2844 fps99.1%
Hodgdon H1000ᴾ<<locked>>100%46,369 psi74%2785 fps96%
Hodgdon H380<<locked>>82%53,026 psi85%2818 fps99.9%
Hodgdon H414<<locked>>88%53,998 psi87%2890 fps99.3%
Hodgdon H4350<<locked>>86%53,505 psi86%2848 fps98.4%
Hodgdon H4831<<locked>>96%54,288 psi87%2881 fps96.5%
Hodgdon H4831 SC<<locked>>96%53,011 psi85%2858 fps96.2%
Hodgdon Hybrid 100V<<locked>>92%53,185 psi85%2825 fps100%
Hodgdon Retumboᴾ<<locked>>100%45,905 psi74%2887 fps97.5%
Hodgdon Superformance<<locked>>88%54,012 psi87%2927 fps99.2%
Hodgdon TrailBossᴾ<<locked>>100%36,738 psi59%1788 fps100%
IMR 4064<<locked>>82%53,998 psi87%2802 fps100%
IMR 4166 Enduron<<locked>>82%56,144 psi90%2831 fps99.4%
IMR 4350<<locked>>90%53,055 psi85%2822 fps98.8%
IMR 4451 Enduron<<locked>>86%53,592 psi86%2815 fps99.1%
IMR 4831<<locked>>92%55,970 psi90%2887 fps100%
IMR 4955 Enduron<<locked>>96%55,535 psi89%2864 fps96.9%
IMR 7828 SSCᴾ<<locked>>100%55,187 psi88%2966 fps97.4%
Lovex S062<<locked>>82%54,331 psi87%2795 fps100%
Lovex S065<<locked>>88%53,751 psi86%2812 fps99.8%
Lovex S070<<locked>>90%55,332 psi89%2861 fps99.5%
Lovex S071ᴾ<<locked>>100%47,543 psi76%2753 fps99.1%
Norma 203B<<locked>>82%54,853 psi88%2848 fps100%
Norma 204<<locked>>90%53,679 psi86%2874 fps98%
Norma MRP<<locked>>96%52,692 psi84%2953 fps99.2%
Norma URP<<locked>>90%54,244 psi87%2881 fps100%
Ramshot Big Game<<locked>>82%55,448 psi89%2871 fps100%
Ramshot Grandᴾ<<locked>>100%55,898 psi90%2989 fps97.9%
Ramshot Hunter<<locked>>90%52,852 psi85%2877 fps99.6%
Ramshot Magnumᴾ<<locked>>100%49,835 psi80%2858 fps98.3%
ReloadSwiss RS 14ᴾ<<locked>>100%37,289 psi60%1827 fps100%
ReloadSwiss RS 50<<locked>>84%56,434 psi90%2861 fps99.7%
ReloadSwiss RS 60<<locked>>84%53,345 psi86%2910 fps100%
ReloadSwiss RS 62<<locked>>90%55,463 psi89%2920 fps100%
ReloadSwiss RS 70<<locked>>90%53,853 psi86%2946 fps100%
ReloadSwiss RS 76ᴾ<<locked>>100%45,963 psi74%2884 fps98.5%
Rottweil R 902<<locked>>82%56,159 psi90%2805 fps100%
Rottweil R 903<<locked>>84%52,953 psi85%2802 fps100%
Rottweil R 904<<locked>>94%54,462 psi87%2854 fps97.3%
Rottweil R 905<<locked>>96%54,969 psi88%2913 fps98.5%
Rottweil R 907<<locked>>88%55,463 psi89%2844 fps99.1%
Shooters World Long Rifle<<locked>>88%53,751 psi86%2812 fps99.8%
Shooters World Precision<<locked>>82%54,331 psi87%2795 fps100%
Shooters World SW4350<<locked>>90%55,332 psi89%2861 fps99.5%
SNPE Vectan SP 11<<locked>>84%54,273 psi87%2858 fps100%
SNPE Vectan Tubal 5000<<locked>>84%53,737 psi86%2690 fps100%
SNPE Vectan Tubal 7000<<locked>>88%53,359 psi86%2766 fps99.2%
SNPE Vectan Tubal 8000<<locked>>96%54,505 psi87%2910 fps98.5%
Somchem S355<<locked>>86%56,304 psi90%2848 fps100%
Somchem S361<<locked>>94%56,014 psi90%2848 fps96.8%
Somchem S365<<locked>>92%53,563 psi86%2881 fps100%
Somchem S385<<locked>>96%55,680 psi89%2890 fps99.1%
Vihtavuori N150<<locked>>86%54,070 psi87%2772 fps100%
Vihtavuori N160<<locked>>90%56,130 psi90%2874 fps100%
Vihtavuori N165ᴾ<<locked>>100%55,172 psi88%2867 fps98.8%
Vihtavuori N540<<locked>>82%54,911 psi88%2772 fps100%
Vihtavuori N550<<locked>>90%55,332 psi89%2877 fps100%
Vihtavuori N555<<locked>>96%52,968 psi85%2890 fps100%
Vihtavuori N560<<locked>>96%52,939 psi85%2943 fps96.5%
Winchester 6.5 StaBALL<<locked>>90%55,753 psi89%2838 fps100%
Winchester 760<<locked>>88%53,998 psi87%2890 fps99.3%
Winchester StaBALL HDᴾ<<locked>>100%49,792 psi80%2986 fps100%
Winchester Supreme 780<<locked>>98%55,898 psi90%2887 fps98.5%

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

Start Load - Barrel Length: 23.62"

PowderChargeFRMaxP%V(0)z
Accurate 2700<<locked>>80%51,430 psi82%2743 fps98.4%
Accurate 3100<<locked>>84%33,359 psi53%2457 fps95.4%
Accurate 4064<<locked>>80%51,271 psi82%2736 fps100%
Accurate 4350<<locked>>80%39,523 psi63%2612 fps98.8%
Accurate High Country<<locked>>90%44,440 psi71%2802 fps95%
Accurate MAGPRO<<locked>>96%51,953 psi83%2927 fps95.6%
ADI AR 2208<<locked>>80%48,138 psi77%2713 fps100%
ADI AR 2209<<locked>>88%43,279 psi69%2707 fps95.7%
ADI AR 2213<<locked>>94%47,282 psi76%2812 fps95.4%
Alliant Reloder- TS 15.5<<locked>>80%48,936 psi78%2740 fps100%
Alliant Reloder-15<<locked>>80%52,112 psi84%2805 fps100%
Alliant Reloder-16<<locked>>80%38,130 psi61%2618 fps98.9%
Alliant Reloder-17<<locked>>80%43,410 psi70%2743 fps100%
Alliant Reloder-19<<locked>>88%43,105 psi69%2700 fps95.8%
Alliant Reloder-22<<locked>>90%40,843 psi65%2694 fps95.2%
Alliant Reloder-23<<locked>>80%28,108 psi45%2375 fps96.9%
Alliant Reloder-25<<locked>>88%31,792 psi51%2493 fps95.1%
Alliant Reloder-2647.6 gr80%30,124 psi48%2487 fps95.2%
Bofors RP15<<locked>>94%43,018 psi69%2740 fps95.8%
Bofors RP3<<locked>>80%49,458 psi79%2753 fps100%
Bofors RP5<<locked>>90%40,843 psi65%2694 fps95.2%
Bofors RP7<<locked>>80%43,265 psi69%2625 fps96.9%
Hodgdon H1000<<locked>>98%43,381 psi70%2723 fps95%
Hodgdon H380<<locked>>80%49,429 psi79%2759 fps99.8%
Hodgdon H414<<locked>>80%41,234 psi66%2654 fps97%
Hodgdon H4350<<locked>>80%44,280 psi71%2680 fps96.5%
Hodgdon H4831<<locked>>94%50,473 psi81%2815 fps95.6%
Hodgdon H4831 SC<<locked>>94%49,588 psi80%2799 fps95.4%
Hodgdon Hybrid 100V<<locked>>80%35,723 psi57%2513 fps99.3%
Hodgdon Retumbo<<locked>>96%40,132 psi64%2753 fps95.4%
Hodgdon Superformance<<locked>>80%40,292 psi65%2667 fps96.3%
Hodgdon TrailBoss<<locked>>80%27,325 psi44%1591 fps100%
IMR 4064<<locked>>80%50,662 psi81%2746 fps100%
IMR 4166 Enduron<<locked>>80%52,765 psi85%2779 fps99.1%
IMR 4350<<locked>>80%38,725 psi62%2549 fps95.6%
IMR 4451 Enduron<<locked>>80%44,701 psi72%2657 fps97.7%
IMR 4831<<locked>>80%37,869 psi61%2566 fps98.5%
IMR 4955 Enduron<<locked>>92%49,023 psi79%2756 fps95.5%
IMR 7828 SSC<<locked>>96%48,327 psi77%2844 fps95.8%
Lovex S062<<locked>>80%50,995 psi82%2743 fps100%
Lovex S065<<locked>>80%42,090 psi67%2605 fps98.3%
Lovex S070<<locked>>80%40,393 psi65%2585 fps96.9%
Lovex S071<<locked>>88%32,518 psi52%2438 fps95%
Norma 203B<<locked>>80%51,474 psi83%2795 fps100%
Norma 204<<locked>>84%43,859 psi70%2697 fps95.8%
Norma MRP49.7 gr86%37,362 psi60%2648 fps95.5%
Norma URP<<locked>>80%39,117 psi63%2605 fps98.6%
Ramshot Big Game<<locked>>80%52,054 psi83%2818 fps100%
Ramshot Grand<<locked>>94%44,860 psi72%2789 fps95.2%
Ramshot Hunter<<locked>>80%37,855 psi61%2592 fps96.8%
Ramshot Magnum<<locked>>94%40,045 psi64%2667 fps95.7%
ReloadSwiss RS 14<<locked>>80%27,891 psi45%1631 fps100%
ReloadSwiss RS 50<<locked>>80%49,574 psi79%2749 fps99.1%
ReloadSwiss RS 60<<locked>>80%46,079 psi74%2795 fps100%
ReloadSwiss RS 62<<locked>>80%39,233 psi63%2628 fps98.5%
ReloadSwiss RS 70<<locked>>80%37,985 psi61%2638 fps98%
ReloadSwiss RS 76<<locked>>94%37,130 psi60%2671 fps95.3%
Rottweil R 902<<locked>>80%52,736 psi85%2753 fps100%
Rottweil R 903<<locked>>80%46,456 psi74%2697 fps100%
Rottweil R 904<<locked>>88%44,904 psi72%2687 fps95%
Rottweil R 905<<locked>>88%42,163 psi68%2684 fps95.7%
Rottweil R 907<<locked>>80%43,265 psi69%2625 fps96.9%
Shooters World Long Rifle<<locked>>80%42,090 psi67%2605 fps98.3%
Shooters World Precision<<locked>>80%50,995 psi82%2743 fps100%
Shooters World SW4350<<locked>>80%40,393 psi65%2585 fps96.9%
SNPE Vectan SP 11<<locked>>80%47,558 psi76%2749 fps100%
SNPE Vectan Tubal 5000<<locked>>80%47,485 psi76%2598 fps100%
SNPE Vectan Tubal 7000<<locked>>80%41,307 psi66%2552 fps97%
SNPE Vectan Tubal 8000<<locked>>88%41,785 psi67%2677 fps95.6%
Somchem S355<<locked>>80%46,601 psi75%2694 fps100%
Somchem S361<<locked>>90%49,255 psi79%2736 fps95.2%
Somchem S365<<locked>>80%35,549 psi57%2562 fps99.9%
Somchem S385<<locked>>84%37,637 psi60%2556 fps95.1%
Vihtavuori N150<<locked>>80%44,541 psi71%2625 fps100%
Vihtavuori N160<<locked>>80%40,567 psi65%2605 fps98.9%
Vihtavuori N165<<locked>>90%39,552 psi63%2589 fps95.4%
Vihtavuori N540<<locked>>80%51,300 psi82%2720 fps100%
Vihtavuori N550<<locked>>80%39,871 psi64%2602 fps98.6%
Vihtavuori N555<<locked>>80%31,183 psi50%2451 fps97%
Vihtavuori N56054.3 gr94%49,574 psi79%2881 fps95.7%
Winchester 6.5 StaBALL<<locked>>80%39,436 psi63%2569 fps99.9%
Winchester 760<<locked>>80%41,495 psi67%2661 fps97%
Winchester StaBALL HD<<locked>>80%24,860 psi40%2346 fps95.5%
Winchester Supreme 780<<locked>>90%42,380 psi68%2654 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 84 powders for 6.5 x 64 Brenneke loaded with the .264 | 130gr | Berger AR Hybrid OTM Tactical. Alliant Reloder-26 delivers the highest muzzle velocity at 3,002 fps; across all powders the maximum-charge window runs from 1,788 fps to 3,002 fps. Alliant Reloder-23 gives the best case fill at 100 %, and 84 of the 84 powders fall inside the usable 80–100 % fill window.

Relative to the caliber's maximum pressure (430 MPa), the top charges use 59–90 %, leaving at least 10 % headroom. The 130.0 gr projectile in 0.264" calls for a 1:9.5 twist; slower twists will usually not stabilise this weight. Alliant Reloder-23, Alliant Reloder-25, Bofors RP15 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. Norma MRP, Vihtavuori N560, Alliant Reloder-26 rank at the top here: for 6.5 x 64 Brenneke with the .264 | 130gr | Berger AR Hybrid OTM Tactical 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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