Jebs Choke Tubes Waterfowl 12 Gauge Benelli SBE-11/M2 Crio Choke Tube, .690 Improved/Modified Upland Tube, Matte Stainless, JPC - 12E2/690

These Shotgun Chokes made by Jebs Choke Tubes are specifically designed for shotguns with port systems that allow for the use of a constricting gas screw or after market choke rails. That means you can confidently fire your shotgun with or without a choke tube.