years ago...my 6XC 8T/3G
would spin jackets off the 75 V max
but not the 87 V
Yeah the 1-8"twist 3 groove barrels were a major debacle for me in several rifles...........never again !!!!!!!!!
As for the OP, if you are not going to shoot heavier than 70gr bullets.........1-12" twist 4,5 or 6groove barrel