i had a sendero 7mm ultra mag that i couldn't seem to get to shoot,after giving up I order a 7mm blank from brunos i had the reciever trued and chambered in 7mm rem mag. I should have done this 35yrs ago.I couldn't be happier now it shoots anything great,at least everything that I have tried so...
rl22 66gr nosler brass fed gold medal lg rifle primer,this load has shoot well in 2 rifles one a factory sendero and semi custom sendero, 3040 fps in 26",3135 fps out of the 30" krieger using 168 bergers seated 10 thou in the lands. Hope this helps.