Primos Hunting Maximum Beretta Xtrema I&II 12 Gauge .660 Constriction. Designed to increase the range and pattern density of your favorite turkey gun The Jelly Head Maximum utilizes an extended taper and fluted ports to tighten patterns up to 20percent and reduce recoil allowing you to stop Gobblers in their tracks at even longer ranges We utilize proprietary Black-T coating the same protective barrier utilized by the militarys Special Forces to prevent rust and corrosion on weapons in the harshest environments like turkey hunting. Specifications for Primos Hunting Maximum Turkey Choke Tube: Manufacturer: Primos Hunting Color: Black Finish: Black-T Coating Choke Type: Turkey Quantity: 1 Included Accessories: Standard Age Group: Adults Features of Primos Hunting Maximum Turkey Choke Tube .660 Constriction (12 GA Remington 12 GA Remington Vera Max 12 GA Invector 12 GA Benelli Crio 12 GA Beretta Xtremea I & II) .690 Constriction (12 GA Mossberg 835/935) .655 Constriction (12 GA Beretta/Benelli Mobil) .670 Constriction (12 GA Invector Plus 12 GA Browning A5-DS) .570 Constriction (20 GA Remington 20 GA Beretta/Benelli Mobil 20 GA Benelli M2) Package Contents: Primos Hunting Maximum Turkey Choke Tube Primos Hunting 69408: Maximum Beretta Xtrema I&II 12 Gauge .660 Constriction