F Allen Universal Shotgun Plug $5.29 1985 show more like this 3.71 GrabAGun.com F Allen Shotgun Plug 5/16" Green 1985 $5.99 1985 show more like this $15 Online Outfitters F Allen Universal Shotgun Plug, Green, 6-5/16in, 1985 $8.39 1985 show more like this Free Shipping on most orders over $49 Optics Planet F Allen Universal Shotgun Plug, Green, 6-5/16in, 1985 $8.39 1985 show more like this Dvor