Adjustable Choke Constrictions: Choose from Cylinder to Extra Full in precise .005-inch (.127mm) increments to match your shooting conditions.
Extended Tube Design: Features a polished interior to reduce pellet deformation, minimize fliers, and deliver tighter patterns.
Convenient Markings: Constriction sizes are engraved on the knurled band for quick identification without removal.
Special Diffusion Tubes: Helical rifled spreader tubes produce a more open pattern than Cylinder.
Steel Shot Compatibility: Made from 17-4 stainless steel, compatible with steel shot from Cylinder to Improved Modified (lead-to-steel conversion chart available).