Reloading data for 22-250 with Sierra Tmk 77gr bullets

[Ak1979]

Hi hope somebody can help
Looking for load data for:

22-250
1-7 twist
Sierra Tmk 77gr and 69gr
Viht N540

Many thanks

 

[bbrc]

Can’t help with the n540 but I use this data for the heavier stuff in 22/250

22-250 Remington Load Data

 

[Ak1979]

Can’t help with the n540 but I use this data for the heavier stuff in 22/250

22-250 Remington Load Data

Thanks very much

 

[CMorgans]

I'm running;
.22-250 (standard not AI) 25" 1:8" from B&N ***with an extended throat to suit
77grn TMK
39.5grn Reloader 19
Absolutely devastating