Quote Originally Posted by OLEJOE View Post
I use those lock rings on all of my dies also .I also torque them down a little in my press so the case measurements stay the same while resizing and bullet seating .
Possible problem with that is unless the die contact with the press is perfect, it could cause some issues with straight loads.
Id advise a rubber O ring under the lock ring and just hand snug down to that. The O rings can be had at the plumbing dept in Home Depot. Some also use small ones under the lock ring on the adjustment stem on the seating die. The idea being that it allows for some float when seating the bullet and straighter loads as a result. Im not so sure that just finger tight without the O ring isnt about the same.
No doubt the straighter the load the more consistent the accuracy will be.