Hi everyone! I have two 12 gauge Mossberg shotguns, a classic 500A full choke and a new Home Security 930 with a breecher barrel with a couple add on parts. On the 930 I first put on a rail on top and a +3 Nordic Components magazine tube extension. Both shotguns have a bead sight. Like most gun owners I have a nice list of "I want a ..." Anyway I am glad to have found this site and look forward to learning as much as I am able.