Load data for 6.5 x 68 + .264 | 107gr | Sierra MatchKing

6.5 x 68 cartridge drawing
Sierra logo

Load Specifications

Bullet Manufacturer:Sierra
Bullet Weight:107 gr
Bullet Diameter:0.264"
Bullet Length:<<locked>>
Case Length (l3):2.657"
Cartridge Length (C.O.L.):<<locked>>
Case Capacity:86 Grains of Water
Primer Size:Large Rifle Magnum (LRM)
Barrel Length:25.6"
Max. allowed Pressure:63,817 psi
Recommended Twist Rate:1:9.5

Load data in caliber 6.5 x 68 with .264 | 107gr | Sierra MatchKing bullet and 74 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Vihtavuori N560, Ramshot Grand and Accurate MAGPRO.

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: 25.6"

PowderChargeFRMaxP%V(0)z
Accurate 3100<<locked>>94%56,217 psi88%3287 fps100%
Accurate 4350<<locked>>86%57,203 psi90%3330 fps100%
Accurate High Country<<locked>>90%53,780 psi84%3379 fps98.1%
Accurate MAGPRO<<locked>>92%54,897 psi86%3383 fps97.1%
ADI AR 2208<<locked>>82%57,711 psi90%3287 fps100%
ADI AR 2209<<locked>>90%54,375 psi85%3323 fps98.8%
ADI AR 2213<<locked>>94%56,115 psi88%3392 fps98.3%
ADI AR 2217ᴾ<<locked>>100%50,357 psi79%3264 fps97.5%
ADI AR 2225ᴾ<<locked>>100%45,049 psi71%3215 fps99.1%
Alliant Reloder-16<<locked>>86%54,418 psi85%3333 fps100%
Alliant Reloder-17<<locked>>82%55,347 psi87%3343 fps100%
Alliant Reloder-19<<locked>>92%57,566 psi90%3373 fps99.3%
Alliant Reloder-22<<locked>>94%56,202 psi88%3386 fps99.2%
Alliant Reloder-23<<locked>>96%57,203 psi90%3353 fps100%
Alliant Reloder-25ᴾ<<locked>>100%56,826 psi89%3422 fps100%
Alliant Reloder-26<<locked>>90%53,911 psi84%3386 fps100%
Bofors RP15<<locked>>96%55,129 psi86%3363 fps99%
Bofors RP30ᴾ<<locked>>100%52,823 psi83%3346 fps98.3%
Bofors RP5<<locked>>94%56,202 psi88%3386 fps99.2%
Bofors RP7<<locked>>84%55,680 psi87%3268 fps99.5%
Hodgdon H1000ᴾ<<locked>>100%55,564 psi87%3369 fps99%
Hodgdon H414<<locked>>84%55,201 psi87%3327 fps99.7%
Hodgdon H4350<<locked>>84%57,609 psi90%3340 fps99.4%
Hodgdon H4831<<locked>>92%55,825 psi87%3317 fps97.6%
Hodgdon H4831 SC<<locked>>92%54,824 psi86%3301 fps97.4%
Hodgdon Hybrid 100V<<locked>>88%54,723 psi86%3248 fps100%
Hodgdon Retumboᴾ<<locked>>100%55,666 psi87%3494 fps99.8%
Hodgdon Superformance<<locked>>84%55,869 psi88%3363 fps99.7%
Hodgdon TrailBossᴾ<<locked>>100%37,086 psi58%2136 fps100%
IMR 4350<<locked>>88%57,348 psi90%3307 fps99.7%
IMR 4451 Enduron<<locked>>84%57,101 psi89%3297 fps99.8%
IMR 4831<<locked>>88%57,624 psi90%3320 fps100%
IMR 4955 Enduron<<locked>>92%56,869 psi89%3304 fps98%
IMR 7828 SSC<<locked>>94%53,867 psi84%3360 fps98%
Lovex S065<<locked>>84%54,360 psi85%3235 fps100%
Lovex S070<<locked>>86%55,970 psi88%3287 fps99.8%
Lovex S071ᴾ<<locked>>100%57,290 psi90%3304 fps100%
Norma 204<<locked>>86%54,926 psi86%3307 fps98.8%
Norma 217ᴾ<<locked>>100%40,640 psi64%3130 fps97.3%
Norma MRP<<locked>>92%56,086 psi88%3409 fps99.8%
Norma URP<<locked>>86%55,419 psi87%3307 fps100%
Ramshot Grand<<locked>>94%54,563 psi86%3383 fps98.5%
Ramshot Hunter<<locked>>86%54,549 psi85%3310 fps99.9%
Ramshot Magnum<<locked>>98%57,305 psi90%3376 fps99.7%
ReloadSwiss RS 14ᴾ<<locked>>100%37,927 psi59%2188 fps100%
ReloadSwiss RS 62<<locked>>86%57,276 psi90%3350 fps100%
ReloadSwiss RS 70<<locked>>86%55,622 psi87%3379 fps100%
ReloadSwiss RS 76ᴾ<<locked>>100%56,956 psi89%3494 fps100%
ReloadSwiss RS 80ᴾ<<locked>>100%51,938 psi81%3360 fps96.8%
Rottweil R 903<<locked>>82%57,000 psi89%3271 fps100%
Rottweil R 904<<locked>>90%55,477 psi87%3291 fps98.2%
Rottweil R 905<<locked>>92%57,130 psi90%3360 fps99.3%
Rottweil R 907<<locked>>84%55,680 psi87%3268 fps99.5%
Shooters World Long Rifle<<locked>>84%54,360 psi85%3235 fps100%
Shooters World SW4350<<locked>>86%55,970 psi88%3287 fps99.8%
SNPE Vectan Tubal 5000<<locked>>82%56,652 psi89%3133 fps100%
SNPE Vectan Tubal 7000<<locked>>86%57,290 psi90%3245 fps99.8%
SNPE Vectan Tubal 8000<<locked>>92%56,681 psi89%3356 fps99.2%
Somchem S355<<locked>>82%56,739 psi89%3268 fps100%
Somchem S361<<locked>>90%57,392 psi90%3278 fps97.9%
Somchem S365<<locked>>88%55,999 psi88%3310 fps100%
Somchem S385<<locked>>90%54,070 psi85%3271 fps99.4%
Vihtavuori N150<<locked>>82%54,331 psi85%3179 fps100%
Vihtavuori N160<<locked>>86%57,246 psi90%3301 fps100%
Vihtavuori N165<<locked>>96%57,450 psi90%3307 fps99.5%
Vihtavuori N550<<locked>>86%56,579 psi89%3304 fps100%
Vihtavuori N555<<locked>>92%55,767 psi87%3330 fps100%
Vihtavuori N560<<locked>>92%55,840 psi88%3402 fps97.9%
Vihtavuori N565<<locked>>98%55,883 psi88%3376 fps98.1%
Vihtavuori N568ᴾ<<locked>>100%52,721 psi83%3363 fps96.3%
Winchester 6.5 StaBALL<<locked>>86%57,029 psi89%3248 fps100%
Winchester 760<<locked>>84%55,201 psi87%3327 fps99.7%
Winchester StaBALL HD<<locked>>96%55,608 psi87%3445 fps100%
Winchester Supreme 780<<locked>>92%53,998 psi85%3261 fps98.8%

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

Start Load - Barrel Length: 25.6"

PowderChargeFRMaxP%V(0)z
Accurate 3100<<locked>>80%34,737 psi54%2841 fps96.5%
Accurate 4350<<locked>>80%46,528 psi73%3140 fps99.9%
Accurate High Country<<locked>>84%43,468 psi68%3159 fps95.4%
Accurate MAGPRO68.8 gr88%47,601 psi75%3235 fps95.3%
ADI AR 2208<<locked>>80%54,302 psi85%3228 fps100%
ADI AR 2209<<locked>>82%41,568 psi65%3054 fps95.9%
ADI AR 2213<<locked>>88%45,527 psi71%3176 fps95.8%
ADI AR 2217<<locked>>96%43,903 psi69%3123 fps95.7%
ADI AR 2225<<locked>>92%34,563 psi54%2933 fps95.3%
Alliant Reloder-16<<locked>>80%44,483 psi70%3146 fps99.9%
Alliant Reloder-17<<locked>>80%51,634 psi81%3284 fps100%
Alliant Reloder-19<<locked>>80%38,769 psi61%2979 fps95%
Alliant Reloder-22<<locked>>84%39,755 psi62%3041 fps95.5%
Alliant Reloder-23<<locked>>80%33,257 psi52%2871 fps99.1%
Alliant Reloder-25<<locked>>82%31,096 psi49%2825 fps95.5%
Alliant Reloder-26<<locked>>80%36,637 psi57%3018 fps98.4%
Bofors RP15<<locked>>86%39,450 psi62%3031 fps95.2%
Bofors RP30<<locked>>94%42,859 psi67%3140 fps95.8%
Bofors RP5<<locked>>84%39,755 psi62%3041 fps95.5%
Bofors RP7<<locked>>80%49,008 psi77%3143 fps98.7%
Hodgdon H1000<<locked>>92%42,061 psi66%3087 fps95.7%
Hodgdon H414<<locked>>80%48,037 psi75%3189 fps98.9%
Hodgdon H4350<<locked>>80%50,705 psi79%3212 fps98.5%
Hodgdon H4831<<locked>>86%45,368 psi71%3114 fps95.1%
Hodgdon H4831 SC<<locked>>88%47,761 psi75%3163 fps95.8%
Hodgdon Hybrid 100V<<locked>>80%41,930 psi66%3015 fps100%
Hodgdon Retumbo<<locked>>90%39,552 psi62%3127 fps96.1%
Hodgdon Superformance<<locked>>80%47,979 psi75%3212 fps98.7%
Hodgdon TrailBoss<<locked>>80%27,688 psi43%1913 fps100%
IMR 4350<<locked>>80%44,498 psi70%3061 fps97.8%
IMR 4451 Enduron<<locked>>80%50,357 psi79%3173 fps99.2%
IMR 4831<<locked>>80%44,150 psi69%3074 fps99.8%
IMR 4955 Enduron<<locked>>86%46,963 psi74%3114 fps95.8%
IMR 7828 SSC<<locked>>88%43,801 psi69%3146 fps95.3%
Lovex S065<<locked>>80%47,906 psi75%3117 fps99.6%
Lovex S070<<locked>>80%46,354 psi73%3104 fps98.8%
Lovex S071<<locked>>82%31,908 psi50%2759 fps95.2%
Norma 204<<locked>>80%44,585 psi70%3100 fps96.7%
Norma 217<<locked>>96%35,433 psi56%2989 fps95.1%
Norma MRP<<locked>>80%36,361 psi57%2982 fps95.7%
Norma URP<<locked>>80%45,585 psi71%3123 fps99.8%
Ramshot Grand66.9 gr88%43,642 psi68%3153 fps95.7%
Ramshot Hunter<<locked>>80%44,396 psi70%3110 fps98.9%
Ramshot Magnum<<locked>>86%36,332 psi57%2940 fps95.1%
ReloadSwiss RS 14<<locked>>80%28,326 psi44%1959 fps100%
ReloadSwiss RS 62<<locked>>80%46,514 psi73%3156 fps99.8%
ReloadSwiss RS 70<<locked>>80%44,846 psi70%3176 fps99.7%
ReloadSwiss RS 76<<locked>>88%36,463 psi57%3025 fps96.1%
ReloadSwiss RS 80<<locked>>98%48,037 psi75%3281 fps95.7%
Rottweil R 903<<locked>>80%53,548 psi84%3219 fps100%
Rottweil R 904<<locked>>82%42,743 psi67%3031 fps95.1%
Rottweil R 905<<locked>>82%40,741 psi64%3028 fps95.9%
Rottweil R 907<<locked>>80%49,008 psi77%3143 fps98.7%
Shooters World Long Rifle<<locked>>80%47,906 psi75%3117 fps99.6%
Shooters World SW4350<<locked>>80%46,354 psi73%3104 fps98.8%
SNPE Vectan Tubal 5000<<locked>>80%53,229 psi83%3081 fps100%
SNPE Vectan Tubal 7000<<locked>>80%46,905 psi74%3054 fps98.8%
SNPE Vectan Tubal 8000<<locked>>82%40,393 psi63%3022 fps95.7%
Somchem S355<<locked>>80%53,098 psi83%3209 fps100%
Somchem S361<<locked>>84%46,891 psi73%3081 fps95.6%
Somchem S365<<locked>>80%42,598 psi67%3074 fps100%
Somchem S385<<locked>>80%38,783 psi61%2946 fps96.1%
Vihtavuori N150<<locked>>80%51,024 psi80%3127 fps100%
Vihtavuori N160<<locked>>80%46,963 psi74%3120 fps99.9%
Vihtavuori N165<<locked>>84%38,464 psi60%2927 fps95.7%
Vihtavuori N550<<locked>>80%46,441 psi73%3120 fps99.8%
Vihtavuori N555<<locked>>80%37,434 psi59%2963 fps99.1%
Vihtavuori N56066 gr86%45,223 psi71%3186 fps95.2%
Vihtavuori N565<<locked>>92%45,469 psi71%3166 fps95.7%
Vihtavuori N568<<locked>>98%49,081 psi77%3291 fps95.3%
Winchester 6.5 StaBALL<<locked>>80%46,282 psi73%3074 fps100%
Winchester 760<<locked>>80%48,283 psi76%3196 fps99%
Winchester StaBALL HD<<locked>>80%29,660 psi46%2874 fps99.1%
Winchester Supreme 780<<locked>>84%40,814 psi64%2992 fps95.8%

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 74 powders for 6.5 x 68 loaded with the .264 | 107gr | Sierra MatchKing. Hodgdon Retumbo delivers the highest muzzle velocity at 3,494 fps; across all powders the maximum-charge window runs from 2,136 fps to 3,494 fps. ADI AR 2217 gives the best case fill at 100 %, and 74 of the 74 powders fall inside the usable 80–100 % fill window.

Relative to the caliber's maximum pressure (440 MPa), the top charges use 58–90 %, leaving at least 10 % headroom. The 107.0 gr projectile in 0.264" calls for a 1:9.5 twist; slower twists will usually not stabilise this weight. ADI AR 2217, ADI AR 2225, Alliant Reloder-25 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. Vihtavuori N560, Ramshot Grand, Accurate MAGPRO rank at the top here: for 6.5 x 68 with the .264 | 107gr | Sierra MatchKing 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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