These Carlson Sporting clay choke tubes are constructed from 17-4 stainless steel. They are precision machined to ensure they produce a better pattern vs standard choke tubes. The tubes features a 25% larger parallel section throwing more consistent patterns. Each tube has a knurled end to allow for quick removal and they are individually laser marked with their constriction type for easy reference.

Specifications and Features:
Carlson's choke tube 17772
20 Gauge shotguns
Sporting Clay extended choke tube
Improved Cylinder constriction
.610" Diameter
Stainless steel
Compatible with all types of shot

Fits:
Winchester, Browning Invector, Mossberg, Savage, and Weatherby