The Carlson's Light Modified Choke Tube is precision-engineered from 17-4 stainless steel for superior performance in 12-gauge Browning Invector-Plus shotgun systems. Features a 25% larger parallel section that delivers more consistent patterns than conventional choke tubes.Carlson's Light Modified Sporting Clays Choke Tube17-4 stainless steel construction with precision machining25% larger parallel section for improved pattern consistencyKnurled end for quick and easy removalLaser-marked constriction for easy identificationCompatible with lead steel copper-plated nickel Hevi-Shot and buck shotFits all Browning Invector-Plus 12 gauge choke systemsBacked by lifetime warrantyIdeal for sporting clays and hunting applications where consistent reliable patterns are essential. Delivers tighter and denser patterns than flush mount choke tubes due to the extended parallel section design.