REMINGTON 870 12GA 28IN BARREL TARGET SPORTS Includes 3 Choke Tubes and Tool (Cylinder, Modified, Full) 12 Gauge 28″ Vent Rib Barrel for Remington 870 Shotguns 3″ Magnum Chamber (requires 3″ magnum receiver if using 3″ shells) Will work with 2.75″ or 3″ Receivers for 2.75 shells Gold Bead Front Sight Accepts Browning, Winchester & Mossberg Choke Tubes Manufactured by Target Sports. Track Page Views With. Note: two chokes and tool in box, (1) choke already installed.