Load data for 6.5 x 68 + .264 | 120gr | Barnes TTSX BT

6.5 x 68 cartridge drawing
Barnes logo

Load Specifications

Bullet Manufacturer:Barnes
Bullet Weight:120 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:1:9.0

Load data in caliber 6.5 x 68 with .264 | 120gr | Barnes TTSX BT bullet and 146 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Hodgdon Retumbo, Winchester StaBALL HD and ReloadSwiss RS 76.

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: 25.6"

PowderChargeFRMaxP%V(0)z
Accurate 3100<<locked>>92%54,331 psi85%3107 fps100%
Accurate 3100<<locked>>92%54,128 psi85%3104 fps100%
Accurate 4350<<locked>>84%55,129 psi86%3140 fps100%
Accurate 4350<<locked>>84%55,143 psi86%3140 fps100%
Accurate High Country<<locked>>90%55,999 psi88%3268 fps99.1%
Accurate High Country<<locked>>90%56,057 psi88%3268 fps99.1%
Accurate MAGPRO<<locked>>92%57,101 psi89%3274 fps98.4%
Accurate MAGPRO<<locked>>92%56,869 psi89%3268 fps98.4%
ADI AR 2209<<locked>>90%56,536 psi89%3209 fps99.6%
ADI AR 2209<<locked>>90%56,289 psi88%3205 fps99.6%
ADI AR 2213<<locked>>92%54,375 psi85%3212 fps98.8%
ADI AR 2213<<locked>>92%54,172 psi85%3209 fps98.8%
ADI AR 2217ᴾ<<locked>>100%52,344 psi82%3166 fps98.8%
ADI AR 2217ᴾ<<locked>>100%52,156 psi82%3163 fps98.8%
ADI AR 2225ᴾ<<locked>>100%46,862 psi73%3120 fps99.8%
ADI AR 2225ᴾ<<locked>>100%46,688 psi73%3117 fps99.8%
Alliant Power Pro Varmint<<locked>>90%56,565 psi89%3202 fps99.6%
Alliant Power Pro Varmint<<locked>>90%56,521 psi89%3202 fps99.6%
Alliant Reloder-16<<locked>>86%56,623 psi89%3209 fps100%
Alliant Reloder-16<<locked>>86%56,362 psi88%3202 fps100%
Alliant Reloder-17<<locked>>82%57,725 psi90%3215 fps100%
Alliant Reloder-17<<locked>>82%57,479 psi90%3212 fps100%
Alliant Reloder-19<<locked>>90%55,854 psi88%3192 fps99.6%
Alliant Reloder-19<<locked>>90%55,883 psi88%3192 fps99.6%
Alliant Reloder-22<<locked>>92%54,549 psi85%3209 fps99.5%
Alliant Reloder-22<<locked>>92%54,302 psi85%3202 fps99.5%
Alliant Reloder-23<<locked>>94%55,753 psi87%3176 fps100%
Alliant Reloder-23<<locked>>94%55,782 psi87%3173 fps100%
Alliant Reloder-25<<locked>>98%55,550 psi87%3241 fps100%
Alliant Reloder-25<<locked>>98%55,317 psi87%3238 fps100%
Alliant Reloder-26<<locked>>90%56,550 psi89%3271 fps100%
Alliant Reloder-26<<locked>>90%56,304 psi88%3268 fps100%
Baschieri & Pellagri 109<<locked>>94%56,028 psi88%3169 fps96.7%
Baschieri & Pellagri 109<<locked>>94%55,869 psi88%3166 fps96.7%
Bofors RP15<<locked>>96%57,363 psi90%3251 fps99.7%
Bofors RP15<<locked>>96%57,130 psi90%3248 fps99.7%
Bofors RP30ᴾ<<locked>>100%55,172 psi86%3245 fps99.3%
Bofors RP30ᴾ<<locked>>100%54,969 psi86%3238 fps99.3%
Bofors RP5<<locked>>92%54,549 psi85%3209 fps99.5%
Bofors RP5<<locked>>92%54,302 psi85%3202 fps99.5%
Bofors RP7<<locked>>84%57,261 psi90%3143 fps99.9%
Bofors RP7<<locked>>84%57,276 psi90%3143 fps99.9%
Hodgdon H1000<<locked>>98%54,099 psi85%3202 fps99.4%
Hodgdon H1000<<locked>>98%53,896 psi84%3199 fps99.4%
Hodgdon H414<<locked>>84%57,029 psi89%3202 fps100%
Hodgdon H414<<locked>>84%56,811 psi89%3196 fps100%
Hodgdon H4350<<locked>>82%55,724 psi87%3156 fps99.7%
Hodgdon H4350<<locked>>82%55,738 psi87%3156 fps99.6%
Hodgdon H4831<<locked>>90%54,215 psi85%3146 fps98.2%
Hodgdon H4831<<locked>>92%57,711 psi90%3205 fps98.7%
Hodgdon H4831 SC<<locked>>92%56,840 psi89%3192 fps98.6%
Hodgdon H4831 SC<<locked>>92%56,623 psi89%3186 fps98.6%
Hodgdon Hybrid 100V<<locked>>88%56,550 psi89%3117 fps100%
Hodgdon Hybrid 100V<<locked>>88%56,565 psi89%3117 fps100%
Hodgdon Retumbo<<locked>>98%54,491 psi85%3327 fps100%
Hodgdon Retumbo<<locked>>98%54,273 psi85%3320 fps100%
Hodgdon Superformance<<locked>>82%53,824 psi84%3176 fps99.9%
Hodgdon Superformance<<locked>>82%53,592 psi84%3169 fps99.9%
Hodgdon TrailBossᴾ<<locked>>100%37,188 psi58%2021 fps100%
Hodgdon TrailBossᴾ<<locked>>100%37,115 psi58%2018 fps100%
IMR 4350<<locked>>86%55,593 psi87%3130 fps99.9%
IMR 4350<<locked>>86%55,651 psi87%3130 fps99.9%
IMR 4451 Enduron<<locked>>82%55,259 psi87%3114 fps99.9%
IMR 4451 Enduron<<locked>>82%55,056 psi86%3107 fps99.9%
IMR 4831<<locked>>86%55,796 psi87%3133 fps100%
IMR 4831<<locked>>86%55,550 psi87%3130 fps100%
IMR 4955 Enduron<<locked>>90%55,027 psi86%3130 fps98.5%
IMR 4955 Enduron<<locked>>90%54,853 psi86%3127 fps98.4%
IMR 7828 SSC<<locked>>94%56,188 psi88%3251 fps99.1%
IMR 7828 SSC<<locked>>94%55,999 psi88%3248 fps99.1%
IMR 8133 Enduronᴾ<<locked>>100%42,337 psi66%3012 fps96.6%
IMR 8133 Enduronᴾ<<locked>>100%42,134 psi66%3009 fps96.6%
Lovex S065<<locked>>84%55,854 psi88%3107 fps100%
Lovex S065<<locked>>84%55,869 psi88%3107 fps100%
Lovex S070<<locked>>86%57,740 psi90%3163 fps100%
Lovex S070<<locked>>86%57,508 psi90%3156 fps100%
Lovex S071<<locked>>98%55,651 psi87%3127 fps100%
Lovex S071<<locked>>98%55,448 psi87%3123 fps100%
Norma 204<<locked>>86%56,913 psi89%3192 fps99.6%
Norma 204<<locked>>86%56,681 psi89%3189 fps99.5%
Norma 217ᴾ<<locked>>100%42,438 psi67%3035 fps98.7%
Norma 217ᴾ<<locked>>100%42,235 psi66%3031 fps98.6%
Norma MRP<<locked>>90%54,259 psi85%3225 fps100%
Norma MRP<<locked>>90%54,302 psi85%3225 fps99.9%
Norma URP<<locked>>86%57,450 psi90%3182 fps100%
Norma URP<<locked>>86%57,217 psi90%3179 fps100%
Ramshot Grand<<locked>>94%57,348 psi90%3281 fps99.5%
Ramshot Grand<<locked>>94%57,101 psi89%3278 fps99.4%
Ramshot Hunter<<locked>>86%56,492 psi89%3189 fps100%
Ramshot Hunter<<locked>>86%56,289 psi88%3186 fps100%
Ramshot Magnum<<locked>>96%55,709 psi87%3202 fps99.9%
Ramshot Magnum<<locked>>96%55,492 psi87%3199 fps99.9%
ReloadSwiss RS 14ᴾ<<locked>>100%37,869 psi59%2064 fps100%
ReloadSwiss RS 14ᴾ<<locked>>100%38,000 psi60%2067 fps100%
ReloadSwiss RS 62<<locked>>84%55,463 psi87%3163 fps100%
ReloadSwiss RS 62<<locked>>84%55,230 psi87%3163 fps100%
ReloadSwiss RS 70<<locked>>84%54,114 psi85%3199 fps100%
ReloadSwiss RS 70<<locked>>84%53,896 psi84%3192 fps100%
ReloadSwiss RS 76<<locked>>98%55,230 psi87%3314 fps100%
ReloadSwiss RS 76<<locked>>98%55,042 psi86%3310 fps100%
ReloadSwiss RS 80ᴾ<<locked>>100%54,476 psi85%3264 fps98.3%
ReloadSwiss RS 80ᴾ<<locked>>100%54,259 psi85%3258 fps98.2%
Rottweil R 904<<locked>>90%57,363 psi90%3176 fps99.1%
Rottweil R 904<<locked>>90%57,145 psi90%3169 fps99.1%
Rottweil R 905<<locked>>90%55,332 psi87%3182 fps99.6%
Rottweil R 905<<locked>>90%55,361 psi87%3182 fps99.6%
Rottweil R 907<<locked>>84%57,261 psi90%3143 fps99.9%
Rottweil R 907<<locked>>84%57,276 psi90%3143 fps99.9%
Shooters World Long Rifle<<locked>>84%55,854 psi88%3107 fps100%
Shooters World Long Rifle<<locked>>84%55,869 psi88%3107 fps100%
Shooters World SW4350<<locked>>86%57,740 psi90%3163 fps100%
Shooters World SW4350<<locked>>86%57,508 psi90%3156 fps100%
SNPE Vectan Tubal 7000<<locked>>84%55,143 psi86%3058 fps100%
SNPE Vectan Tubal 7000<<locked>>84%54,940 psi86%3054 fps99.9%
SNPE Vectan Tubal 8000<<locked>>90%54,911 psi86%3176 fps99.6%
SNPE Vectan Tubal 8000<<locked>>90%54,940 psi86%3176 fps99.6%
Somchem S361<<locked>>88%55,259 psi87%3100 fps98.4%
Somchem S361<<locked>>88%55,056 psi86%3097 fps98.3%
Somchem S365<<locked>>86%54,389 psi85%3123 fps100%
Somchem S365<<locked>>86%54,389 psi85%3123 fps100%
Somchem S385<<locked>>90%55,753 psi87%3150 fps99.9%
Somchem S385<<locked>>90%55,796 psi87%3150 fps99.9%
Vihtavuori N150<<locked>>82%56,072 psi88%3048 fps100%
Vihtavuori N150<<locked>>82%55,825 psi87%3045 fps100%
Vihtavuori N160<<locked>>84%55,405 psi87%3114 fps100%
Vihtavuori N160<<locked>>84%55,405 psi87%3114 fps100%
Vihtavuori N165<<locked>>94%55,608 psi87%3130 fps99.8%
Vihtavuori N165<<locked>>94%55,448 psi87%3130 fps99.8%
Vihtavuori N550<<locked>>84%54,578 psi86%3117 fps100%
Vihtavuori N550<<locked>>84%54,607 psi86%3117 fps100%
Vihtavuori N555<<locked>>90%54,215 psi85%3150 fps100%
Vihtavuori N555<<locked>>92%57,653 psi90%3202 fps100%
Vihtavuori N560<<locked>>90%54,041 psi85%3222 fps98.4%
Vihtavuori N560<<locked>>90%54,085 psi85%3222 fps98.4%
Vihtavuori N565<<locked>>96%54,172 psi85%3199 fps98.6%
Vihtavuori N565<<locked>>96%53,969 psi85%3196 fps98.6%
Vihtavuori N568ᴾ<<locked>>100%55,187 psi86%3264 fps97.9%
Vihtavuori N568ᴾ<<locked>>100%54,998 psi86%3261 fps97.8%
Winchester 6.5 StaBALL<<locked>>84%55,071 psi86%3068 fps100%
Winchester 6.5 StaBALL<<locked>>84%54,853 psi86%3061 fps100%
Winchester 760<<locked>>84%57,305 psi90%3205 fps100%
Winchester 760<<locked>>84%57,087 psi89%3202 fps100%
Winchester StaBALL HD<<locked>>94%54,288 psi85%3258 fps100%
Winchester StaBALL HD<<locked>>94%54,056 psi85%3258 fps100%
Winchester Supreme 780<<locked>>92%56,014 psi88%3150 fps99.6%
Winchester Supreme 780<<locked>>92%55,796 psi87%3146 fps99.6%

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%35,752 psi56%2736 fps97.8%
Accurate 3100<<locked>>80%35,563 psi56%2733 fps97.8%
Accurate 4350<<locked>>80%48,051 psi75%3022 fps100%
Accurate 4350<<locked>>80%47,819 psi75%3015 fps100%
Accurate High Country<<locked>>80%39,189 psi61%2920 fps95.1%
Accurate High Country<<locked>>80%38,957 psi61%2913 fps95%
Accurate MAGPRO<<locked>>86%46,064 psi72%3064 fps96%
Accurate MAGPRO<<locked>>86%45,876 psi72%3058 fps95.9%
ADI AR 2209<<locked>>80%40,132 psi63%2887 fps96.6%
ADI AR 2209<<locked>>80%39,943 psi63%2881 fps96.6%
ADI AR 2213<<locked>>84%41,075 psi64%2940 fps95.6%
ADI AR 2213<<locked>>84%40,886 psi64%2933 fps95.5%
ADI AR 2217<<locked>>92%39,769 psi62%2900 fps95.5%
ADI AR 2217<<locked>>92%39,624 psi62%2897 fps95.5%
ADI AR 2225<<locked>>90%33,344 psi52%2782 fps96.2%
ADI AR 2225<<locked>>90%33,199 psi52%2779 fps96.2%
Alliant Power Pro Varmint<<locked>>80%40,321 psi63%2881 fps96.7%
Alliant Power Pro Varmint<<locked>>80%40,524 psi64%2884 fps96.7%
Alliant Reloder-16<<locked>>80%46,238 psi72%3031 fps100%
Alliant Reloder-16<<locked>>80%45,977 psi72%3025 fps100%
Alliant Reloder-17<<locked>>80%53,722 psi84%3156 fps100%
Alliant Reloder-17<<locked>>80%53,490 psi84%3153 fps100%
Alliant Reloder-19<<locked>>80%40,132 psi63%2881 fps96.7%
Alliant Reloder-19<<locked>>80%39,943 psi63%2874 fps96.6%
Alliant Reloder-22<<locked>>80%35,882 psi56%2808 fps95.2%
Alliant Reloder-22<<locked>>80%35,679 psi56%2802 fps95.1%
Alliant Reloder-23<<locked>>80%34,476 psi54%2769 fps99.8%
Alliant Reloder-23<<locked>>80%34,447 psi54%2769 fps99.8%
Alliant Reloder-25<<locked>>80%29,907 psi47%2667 fps96.3%
Alliant Reloder-25<<locked>>80%29,733 psi47%2661 fps96.2%
Alliant Reloder-26<<locked>>80%38,319 psi60%2923 fps99.5%
Alliant Reloder-26<<locked>>80%38,087 psi60%2917 fps99.4%
Baschieri & Pellagri 109<<locked>>92%52,605 psi82%3107 fps95.9%
Baschieri & Pellagri 109<<locked>>92%52,460 psi82%3104 fps95.8%
Bofors RP15<<locked>>82%35,752 psi56%2802 fps95%
Bofors RP15<<locked>>84%38,101 psi60%2861 fps95.9%
Bofors RP30<<locked>>90%38,725 psi61%2907 fps95.5%
Bofors RP30<<locked>>90%38,740 psi61%2907 fps95.5%
Bofors RP5<<locked>>80%35,882 psi56%2808 fps95.2%
Bofors RP5<<locked>>80%35,679 psi56%2802 fps95.1%
Bofors RP7<<locked>>80%50,357 psi79%3025 fps99.5%
Bofors RP7<<locked>>80%50,401 psi79%3025 fps99.5%
Hodgdon H1000<<locked>>88%37,811 psi59%2854 fps95.4%
Hodgdon H1000<<locked>>88%37,652 psi59%2851 fps95.4%
Hodgdon H414<<locked>>80%49,879 psi78%3077 fps99.7%
Hodgdon H414<<locked>>80%49,647 psi78%3071 fps99.6%
Hodgdon H4350<<locked>>80%52,272 psi82%3094 fps99.3%
Hodgdon H4350<<locked>>80%52,054 psi82%3091 fps99.3%
Hodgdon H4831<<locked>>84%43,932 psi69%2946 fps95.9%
Hodgdon H4831<<locked>>84%43,729 psi69%2943 fps95.8%
Hodgdon H4831 SC<<locked>>84%43,076 psi68%2927 fps95.6%
Hodgdon H4831 SC<<locked>>84%42,888 psi67%2923 fps95.5%
Hodgdon Hybrid 100V<<locked>>80%43,395 psi68%2897 fps100%
Hodgdon Hybrid 100V<<locked>>80%43,163 psi68%2894 fps100%
Hodgdon Retumbo61.8 gr86%35,810 psi56%2890 fps95.9%
Hodgdon Retumbo61.8 gr86%35,607 psi56%2887 fps95.8%
Hodgdon Superformance<<locked>>80%49,893 psi78%3104 fps99.6%
Hodgdon Superformance<<locked>>80%49,676 psi78%3100 fps99.6%
Hodgdon TrailBoss<<locked>>80%27,702 psi43%1804 fps100%
Hodgdon TrailBoss<<locked>>80%27,789 psi44%1808 fps100%
IMR 4350<<locked>>80%45,977 psi72%2953 fps98.9%
IMR 4350<<locked>>80%45,759 psi72%2949 fps98.9%
IMR 4451 Enduron<<locked>>80%51,924 psi81%3054 fps99.8%
IMR 4451 Enduron<<locked>>80%51,692 psi81%3048 fps99.7%
IMR 4831<<locked>>80%45,614 psi71%2959 fps100%
IMR 4831<<locked>>80%45,411 psi71%2956 fps100%
IMR 4955 Enduron<<locked>>82%42,511 psi67%2881 fps95.6%
IMR 4955 Enduron<<locked>>82%42,322 psi66%2877 fps95.6%
IMR 7828 SSC<<locked>>84%39,508 psi62%2910 fps95.1%
IMR 7828 SSC<<locked>>84%39,320 psi62%2907 fps95%
IMR 8133 Enduron<<locked>>98%39,291 psi62%2940 fps95.5%
IMR 8133 Enduron<<locked>>98%39,291 psi62%2940 fps95.6%
Lovex S065<<locked>>80%49,211 psi77%2995 fps100%
Lovex S065<<locked>>80%49,211 psi77%2995 fps99.9%
Lovex S070<<locked>>80%47,500 psi74%2982 fps99.5%
Lovex S070<<locked>>80%47,514 psi74%2982 fps99.5%
Lovex S071<<locked>>80%30,472 psi48%2595 fps95.8%
Lovex S071<<locked>>80%30,458 psi48%2595 fps95.8%
Norma 204<<locked>>80%46,064 psi72%2992 fps98%
Norma 204<<locked>>80%46,079 psi72%2992 fps98%
Norma 217<<locked>>94%34,360 psi54%2835 fps96%
Norma 217<<locked>>94%34,185 psi54%2828 fps95.9%
Norma MRP<<locked>>80%37,768 psi59%2887 fps97.4%
Norma MRP<<locked>>80%37,550 psi59%2881 fps97.3%
Norma URP<<locked>>80%46,949 psi74%3005 fps100%
Norma URP<<locked>>80%46,934 psi74%3002 fps100%
Ramshot Grand<<locked>>84%39,160 psi61%2917 fps95.5%
Ramshot Grand<<locked>>84%39,175 psi61%2917 fps95.4%
Ramshot Hunter<<locked>>80%45,919 psi72%3002 fps99.6%
Ramshot Hunter<<locked>>80%45,919 psi72%3002 fps99.6%
Ramshot Magnum<<locked>>84%35,012 psi55%2782 fps95.9%
Ramshot Magnum<<locked>>84%34,853 psi55%2779 fps95.9%
ReloadSwiss RS 14<<locked>>80%28,369 psi44%1850 fps100%
ReloadSwiss RS 14<<locked>>80%28,268 psi44%1847 fps100%
ReloadSwiss RS 62<<locked>>80%48,167 psi75%3041 fps100%
ReloadSwiss RS 62<<locked>>80%47,935 psi75%3038 fps100%
ReloadSwiss RS 70<<locked>>80%46,528 psi73%3064 fps100%
ReloadSwiss RS 70<<locked>>80%46,296 psi73%3058 fps100%
ReloadSwiss RS 7664.6 gr84%32,561 psi51%2789 fps95.6%
ReloadSwiss RS 7664.6 gr84%32,401 psi51%2782 fps95.5%
ReloadSwiss RS 80<<locked>>94%42,844 psi67%3031 fps95.3%
ReloadSwiss RS 80<<locked>>94%42,656 psi67%3028 fps95.2%
Rottweil R 904<<locked>>80%41,423 psi65%2864 fps95.9%
Rottweil R 904<<locked>>80%41,205 psi65%2861 fps95.8%
Rottweil R 905<<locked>>80%39,320 psi62%2861 fps96.6%
Rottweil R 905<<locked>>80%39,305 psi62%2861 fps96.6%
Rottweil R 907<<locked>>80%50,357 psi79%3025 fps99.5%
Rottweil R 907<<locked>>80%50,401 psi79%3025 fps99.5%
Shooters World Long Rifle<<locked>>80%49,211 psi77%2995 fps100%
Shooters World Long Rifle<<locked>>80%49,211 psi77%2995 fps99.9%
Shooters World SW4350<<locked>>80%47,500 psi74%2982 fps99.5%
Shooters World SW4350<<locked>>80%47,514 psi74%2982 fps99.5%
SNPE Vectan Tubal 7000<<locked>>80%48,254 psi76%2940 fps99.5%
SNPE Vectan Tubal 7000<<locked>>80%48,022 psi75%2936 fps99.5%
SNPE Vectan Tubal 8000<<locked>>80%38,986 psi61%2854 fps96.5%
SNPE Vectan Tubal 8000<<locked>>80%38,972 psi61%2851 fps96.4%
Somchem S361<<locked>>80%42,090 psi66%2848 fps95.3%
Somchem S361<<locked>>80%41,887 psi66%2844 fps95.2%
Somchem S365<<locked>>80%44,324 psi69%2956 fps100%
Somchem S365<<locked>>80%44,063 psi69%2953 fps100%
Somchem S385<<locked>>80%39,871 psi62%2841 fps97.6%
Somchem S385<<locked>>80%39,697 psi62%2835 fps97.5%
Vihtavuori N150<<locked>>80%52,315 psi82%2992 fps100%
Vihtavuori N150<<locked>>80%52,301 psi82%2992 fps100%
Vihtavuori N160<<locked>>80%48,602 psi76%3002 fps100%
Vihtavuori N160<<locked>>80%48,370 psi76%2999 fps100%
Vihtavuori N165<<locked>>80%34,606 psi54%2703 fps95.4%
Vihtavuori N165<<locked>>80%34,432 psi54%2697 fps95.4%
Vihtavuori N550<<locked>>80%47,819 psi75%2999 fps100%
Vihtavuori N550<<locked>>80%47,819 psi75%2999 fps100%
Vihtavuori N555<<locked>>80%38,522 psi60%2851 fps99.7%
Vihtavuori N555<<locked>>80%38,508 psi60%2851 fps99.7%
Vihtavuori N560<<locked>>82%40,756 psi64%2943 fps95%
Vihtavuori N560<<locked>>84%43,613 psi68%3012 fps96%
Vihtavuori N565<<locked>>88%40,886 psi64%2930 fps95.4%
Vihtavuori N565<<locked>>88%40,712 psi64%2927 fps95.3%
Vihtavuori N568<<locked>>94%44,222 psi69%3048 fps95%
Vihtavuori N568<<locked>>94%44,034 psi69%3045 fps95%
Winchester 6.5 StaBALL<<locked>>80%47,776 psi75%2949 fps100%
Winchester 6.5 StaBALL<<locked>>80%47,819 psi75%2953 fps100%
Winchester 760<<locked>>80%49,879 psi78%3077 fps99.7%
Winchester 760<<locked>>80%49,893 psi78%3077 fps99.7%
Winchester StaBALL HD59.1 gr80%30,777 psi48%2785 fps99.9%
Winchester StaBALL HD59.1 gr80%30,748 psi48%2785 fps99.9%
Winchester Supreme 780<<locked>>80%36,550 psi57%2759 fps95.5%
Winchester Supreme 780<<locked>>80%36,361 psi57%2753 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 146 powders for 6.5 x 68 loaded with the .264 | 120gr | Barnes TTSX BT. Hodgdon Retumbo delivers the highest muzzle velocity at 3,327 fps; across all powders the maximum-charge window runs from 2,018 fps to 3,327 fps. ADI AR 2217 gives the best case fill at 100 %, and 146 of the 146 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 120.0 gr projectile in 0.264" calls for a 1:9.0 twist; slower twists will usually not stabilise this weight. ADI AR 2217, ADI AR 2217, ADI AR 2225 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. Hodgdon Retumbo, Winchester StaBALL HD, ReloadSwiss RS 76 rank at the top here: for 6.5 x 68 with the .264 | 120gr | Barnes TTSX BT 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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