the 12 gauge is a beast, i have 3 of them, one for ducks and geese, one fully rifled for deer and one for home defense, prolly put 2-3k rounds through the 3 of them total and never had a problem, built like a tank, remington 12ga aftermarket parts like the stock fit the pardner pump, not sure about the 20 gauge thou, they are a fantastic gun for the price and made of solid steel, when remington bought h&r and marlin, marlin now handles all of the pardner pumps and excell autos for rem
