Carlson's Benelli Crio Plus Extended Super Steel Choke, 12 Gauge patterns steel shot more effectively than previous models. These Choke Tubes manufactured by Carlson's Choke Tubes feature a longer parallel section allowing for denser patterns with fewer fly-aways. The Crio Plus Steel Choke for 12 Gauge Shot Guns from Carlson's extends 3/4in outside the barrel, minimizing barrel damage caused by extended use of steel shot. The longer parallel section on this Shotgun Choke lets you use larger shot with tighter choke constrictions. These Carlson's Shotgun Choke Tubes are made of extremely durable 17-4 stainless steel with a knurled extension and a blue finish. With the Carlson's Benelli Shotgun Choke, all steel shot sizes may be used in the close and mid-range choke tubesFeatures:Gives you a tighter shot patternReduces damages caused by repeated useExtends 3/4in past the barrelColor: BlackFabric/Material: 17-4 Stainless SteelGauge: 12Choke Tube System: Benelli Crio PlusGun Make: BenelliAdditional Features: Non-PortedCountry of Origin: USA