Allen Universal Shotgun Plug Green 6-5/16in. This is done to be compliant with most states hunting regulations. This Universal Shotgun Plug by Allen is a must-have for anyone who hunts using a shotgun. Injection-molded from rugged polymer; this plug can be trimmed to a specific size if necessary for fine-tuning with various lengths of shotgun shells. Their Universal Shotgun Plug is easy to install and fits inside the spring when installed it wont cause binding or damage to the spring tube or follower. Specifications for Allen Universal Shotgun Plug: Manufacturer: Allen Color: Green Features of Allen Universal Shotgun Plug A Must-Have for Waterfowl Hunting Rugged Polymer Construction Can be Cut Down If Necessary Semi-Automatic and Pump Action Shotguns Easy to install Package Contents: Allen Universal Shotgun Plug Allen 1985: Universal Shotgun Plug Green 6-5/16in