Bounce, I think you can buy a DVD "tactical shotgun" course from Amazon, just to get a feel for what they teach.
I've got a DVD tactical shotgun course here somewhere, but I don't think it's frontsite. (Gunsite maybe?). Lots of door breaching and stuff for LEO's.
Something I noticed with those courses....they work very well for LEO-types, but by watching what they do on the DVD, the average home defender is probably better off by spending the money on ammo and carefully considering how to deal with uninvited threats around your actual property. (putting decorative mirrors to reflect b