WTB Benelli M1 Barrel #80004 21" vented rib

[bluefiveo]

I have an M1 with the an 18" barrel with rifle sights and want to swap the barrel for a field barrel in 21" vented rib. or maybe some one can tell me how to improve the sights on my barrel for night time predator calling...Thanks

[gotblika]

http://www.gunbroker.com/Auction/ViewItem.aspx?Item=202780340