Quote Originally Posted by BPTactical View Post
UnLoctited lefthanded nut behind the trigger.
I'll go through it tomorrow... I think I have enough "Red" loctite in the tool box

Quote Originally Posted by C Ward View Post
Leave the can mounted up next time and see if the zero shifts . Also you want to catch the same thread on the muzzle adaptor every time so it indexes in the same spot every time .
The can indexes the same spot every time... I think that's the way it was designed. It just bothers me that I have to always worry about rezoreing the rifle every time I pull off the can... what a pain...