Still trying to get info. My father in-law works third shift so it is hard to catch him awake. The way it was explained to me was a side by side. one barrel was .22 and the other was 410. Not an odd combo but certainly an odd configuration. My first post was a little misleading. I still haven't seen the gun. It was found after we left the house. I am going up there next friday night. I hope to get more info then.