The Winchester 12 Gauge Flush Cylinder Choke Tube offers versatile performance with universal compatibility across multiple shotgun brands and convenient flush-mount design.Winchester 12 Gauge Flush Cylinder Choke TubeInterchangeable with Winchester Mossberg Browning Invector Weatherby and Savage shotgunsCompatible with both 12 gauge and 20 gauge firearmsKnurled end for simple installation and removalConstriction clearly marked on side for easy identificationFlush-mount design for streamlined profileIdeal for hunting and sport shooting applications where open patterns are desired this cylinder choke provides reliable performance across multiple shotgun platforms with easy field installation.