I have .410 Brileys in a 20 gauge GH Parker and 28 gauge Brileys in a 16 gauge Parker hammer gun. My Lindner 16 gauge hammer gun will be next, because of a hole that goes from one barrel to the other. I don't know how that happened, but the Brileys will fix it. Joe, how scarce is a 16 gauge Lindner hammer gun?