•Invector-Plus™ tubes are available in constrictions ranging from Cylinder to Extra-Full •Longer choke taper inside Invector-Plus choke tubes for use with back-bored barrels •Produces excellent patterns with excellent uniform densities •All Browning tubes are set to industry constriction standards.•Flush fit does not extend beyond end of barrel.•Constructed of highly polished, 17-4 stainless steel for the ultimate in performance and durability.