The Carlson's 12 Gauge Full Choke Tube with .700 constriction is designed for shooters who need tight shot patterns for sporting clays and hunting. Made from durable 1704 stainless steel construction and featuring Browning Invector Plus threading for secure reliable fit.Carlson's 12 Gauge Full Choke Tube (.700 constriction)Compatible with Browning Invector Plus threading system1704 stainless steel construction for long-lasting durability25% longer parallel section for more consistent patternsLaser-etched constriction markings for easy field identificationWorks with lead steel copper-plated nickel shot Hevi-Shot and buckshotKnurled end for easy installation and removalIdeal for sporting clays trap shooting and hunting applications where tight consistent shot patterns are essential for improved accuracy and performance.