Patternmaster 12 Gauge Remington Pro Bore Code Black Goose Choke Tube   #5537

Use a Patternmaster Code Black Choke Tube for your most successful waterfowl season to date. You'll experience optimum performance with an effective range out to 60 yards, while the patented stud ring helps you deliver greater downward energy on your target, allowing you to kill instead of cripple. The Patternmaster Code Black Goose Choke Tubes are intended for use with steel or other non-toxic ammo and lead shells.

Features:

• Effective range out to 60 yards
• 3 ½" shell patented "stud ring" inside the tube shortens the shot string for greater down range energy on your target
• Patterns mimics a full constriction choke on paper with a 2 ¾" or 3" shell
• Non-reflective bronze titanium coating
• Extends 1 ½" outside the barrel
• Shot size range from 8 to t-shot non-toxic/steel and lead 8 to 000 buck
• Steel or other non-toxic ammo and lead 2 ¾", 3" or 3 ½" shells
• Ballistics performance determined ammo with a velocity of 1550fps yields best results
• Not for use with ammunition containing flight control wad or slug ammunition
• One-year manufacturer's warranty on material and workmanship
• Model: 5537