For Sale: Browning Citori or Superposed Poly Gauge Sub Gauge Tube set. Made by Poly choke. ANIB. 20, 28, and 410 tubes plus ejectors and paperwork in original box. Missing one link. These tubes work the same as regular rhino stingers or briley tubes except, you replace the ejectors. One of the links is missing, but can be made by a machinist with ease. (refer to pictures) These have never been placed in barrels or fired. Poly also made the Browning Super Tube Sets that were introduced after these. They are steel and 18 inches in length. Blues finish. I saw a set sell on eBoy for $565. They were used and had a case. Any questions, let me know. $450 shipped. Money orders or Paypal.