Carlson's Waterfowl Choke Tubes 12GA Mid/Long Range Stainless delivers unmatched precision for your shotgun. Designed with an extended 3/4" barrel projection these tubes protect your barrel from prolonged steel shot use while ensuring dense consistent patterns. Made from durable 17-4 stainless steel with a sleek blue finish and knurled extension for easy handling. Perfect for larger steel shot and tighter choke constrictions the longer parallel section guarantees fewer flyers. Compatible with Retay 12-gauge shotguns and includes three choke tubes for versatile mid-range performance. Optimal for loads under 1550 fps.