so i went with a LILJA MK13 MOD 7 bbl blank
this is 1.25 dia, BREECH can finish at 26" at .8" MUZZLE, but i will be doing 24".
basically in stock should be here soon.
if i can find a min spec 308 reamer i will use that then use my 30 cal throater for 185 gr 2.82 COAL.