Briley drop in full length tube set in 20/28/.410. These tubes are made to drop into a shootable 12 gauge barrel they are NOT for a carrier barrel. So if you have a Krieghoff 30 inch factory choked barrel with 18.6 bore these will drop into your barrel and allow you to shoot 20/28/.410 Gauge. These are designed to fit in a 30 inch barrel and will go all the way to the end of a factory Titanium Skeet choke. In this package I am including 2 factory Titanium SKEET chokes Each gauge comes with 6 Briley chokes. In each gauge you will get a Skeet and Improved cylinder extended choke and then you will get 4 flush chokes in each gauge. Each gauge will come with the following flush chokes: Skeet/Skeet/Light Mod/Modified 20 Gauge are S-3 28 Gauge are S-51 .410 Gauge are S-52 These are the ultra lite tubes so they will weigh around 13 oz’s They are LIKE NEW and come with all the tools you will need to install, remove and change chokes Briley charges $1800 for a set of these and that is with only 2 chokes, these come with 6 and I am including 2 factory Krieghoff chokes that are $140 each $1399 for everything www.lombardosportingarms.com