Remington 870, 1100, 11-87 Shotgun Plug For 12 Gauge 2 3/4" and 3" Chambered Shotguns Remington 870, 1100, 11-87 12 Gauge Shotgun Plug. Will fit 12 gauge 2 3/4" and 3" camber models. Will not fit Special Field or 3 1/2" chamber shotguns. Note: Please check your state regulations, hunting regulations, etc before placing an order with this supplier. Your order may be canceled if the item is not able to be shipped to your state due to their regulations.