Originally Posted by gutgut2hi68
probably the bolt sail o ring, if not then maybe the inner o-rings on the firing can or perhaps the o-ring inside the bolt sleeve. im almost certain its the bolt sail o-ring though.
Completely incorrect. You will never have a barrel from a bad bolt sail oring. Barrell leaks can be caused by the front inner can oring, the front outter can oring and the front bolt guide tip oring.