Jebs Choke Tubes Upland and Windshooting 12 Gauge Choke Tube Browning Invector .685 Modified Upland Tube Matte Stainless JPC - 12C2/685. This Shotgun Choke by the excellent engineers at Jebs Choke Tubes features a longer parallel section versus a longer Modified or Modified/Invector choke tube making the Jebs Choke Tubes 12 Gauge Browning Invector Upland and Windshooting Choke Tube one of the most popular chokes for shooting upland game birds. The purpose of a Jebs Upland and Windshooting 12 Gauge Browning Invector w/Rubber Rem Choke Tube is to reduce recoil and improve shot velocity. With a specially designed powder coating the Jebs Choke Tubes Upland and Windshooting 12 Gauge Browning Invector Upland and Windshooting Choke Tube will keep your velocity high and your accuracy low. Specifications for Jebs Choke Tubes Upland and Windshooting 12 Gauge Browning Invector Choke Tube: Manufacturer: Jebs Choke Tubes Finish: Matte Fabric/Material: 17-4 Heat Treated Stainless Steel Gauge: 12 Choke Tube System: Browning Invector (Standard) Gun Make: Browning Quantity: 1 Package Contents: Jebs Choke Tubes Upland and Windshooting 12 Gauge Browning Invector Choke Tube Jebs Choke Tubes JPC - 12C2/685: 12 Gauge Browning Invector .685 Modified Upland Tube Matte Stainless