This is a lightly used companion tube set in 20 gauge.  These tubes come with 2 skeet chokes other chokes can be purchased from Briley.  Everything included as they came from briley.  These were ordered for an invector plus choked 30 inch browning 12 gauge Citori CX.  Your gun must be an invector plus choked firearm as seen in pictures.  You will also need to have your own invector plus chokes installed in your gun to use.  Please do your research and make sure these will fit your firearm, as there are no returns on firearm products.  Ask questions.... I will be happy to answer most anything you need to know. Watch video at Briley for a quick HOW TO for these tubes . Your shotgun MUST BE a Invector Plus choke system to use these . Briley makes these tubes a half inch shorter than barrel length so please be aware of that .