These are Weaver Grand Slam bases. Not shooting anything different in the way of my load. I pulled the trigger and felt something hit me in the shoulder. It was the head of one of the two screws that hold the ring in place. It snapped right off and these screws are thick.
50 cal savage
42 gr n110
Hor 250 xtp
Mmp black sabot.

Edited by WGK (10/11/13 07:07 PM)
William G Kollock