Hello DblFixer
Welcome on your first posting smile

Can you post the proof marks?
Maybe a 2 inch chamber?

Have you called RST?

http://www.rstshells.com/store/m/2-12-Gauge.aspx

Welcome
Mike

Last edited by skeettx; 12/31/20 02:18 PM.

USAF RET 1971-95 [Linked Image from jpgbox.com]