Most%20pump-action%20and%20semi-automatic%20shotguns%20that%20are%20fed%20via%20a%20tube%20magazine%20utilize%20a%20plug%20to%20limit%20the%20number%20of%20rounds%20that%20can%20be%20loaded%20into%20the%20magazine.%20This%20is%20done%20to%20be%20compliant%20with%20most%20states%20hunting%20regulations.%20This%20Universal%20Shotgun%20Plug%20by%20Allen%20is%20a%20must-have%20for%20anyone%20who%20hunts%20using%20a%20shotgun.%20Injection-molded%20from%20rugged%20polymer%3B%20this%20plug%20can%20be%20trimmed%20to%20a%20specific%20size%20if%20necessary%2C%20for%20fine-tuning%20with%20various%20lengths%20of%20shotgun%20shells.%20Our%20Universal%20Shotgun%20Plug%20is%20easy%20to%20install%20and%20fits%20inside%20the%20spring%20when%20installed%20it%20won’t%20cause%20binding%20or%20damage%20to%20the%20spring%2C%20tube%2C%20or%20follower.FeaturesA%20Must-Have%20for%20Waterfowl%20HuntingRugged%20Polymer%20ConstructionCan%20be%20Cut%20Down%20If%20NecessarySemi-Automatic%20and%20Pump%20Action%20ShotgunsEasy%20to%20install