BSS sidelocks were indeed produced in 20ga. But not 28ga that I'm aware of.

I've handled Renato Gamba (London model)guns and found them to have great fit and finish. The ones Ive seen were in 12 and 20 ga and fit your budget. Check GI or WLM sites.

Last edited by Chuck H; 06/21/18 02:05 PM.