Manufacturer: Remington 870 Police Products 24407 , Remington 870 Shotguns, Model 4888 Description: 2-SHOT EXTENSION TUBE, SPEED FEED, FRONT BEAD SIGHT, PARKERIZED FINISH, IMPROVED CYLINDER Price: Call for Quote 24421 , Remington 870 Shotguns, Model 4903 Description: 2-SHOT EXTENSION TUBE, SPEED FEED, RIFLE SIGHTS, PARKERIZED FINISH, IMPROVED CYLINDER Price: Call for Quote 24465 , Remington 870 Shotguns, Model 4971 Description: SPEED FEED, RIFLE SIGHTS, PARKERIZED FINISH, IMPROVED CYLINDER, COLLAPSIBLE STOCK Price: Call for Quote