Buy your Browning 20 Gauge Invector Plus Midas Choke Tubes from BattleHawk Armory! The Midas touch. These exceptional tubes extend beyond the end of the barrel for easy removal and installation. They are tough with their stainless steel construction with black oxide finish and laser-etched gold accent band. If you are looking to upgrade from flush mount Invector-Plus tubes, this is an excellent tube to do it with. Performance and practicality meet here. Minimum gap geometry plus high-resolution "RMS" finish reduce plastic buildup in the bore Invector-Plus long taper choke tube technology Made for barrels designated as 20 gauge Invector-Plus ONLY Invector-Plus choke tubes fit only Browning shotguns designed for Invector-Plus and are NOT for use in shotguns showing Standard Invector or Invector-DS on the barrel(s).