ATI Outdoors Strikeforce, Stock, Flat Dark Earth, 6 Position, Most Maverick 88, Mossberg 500/535/590/835, Remington 870 and Winchester 1200/1300 12G Pump Shotguns C.1.20.1135 High quality components and precise manufacturing make Advance Tech parts ideal for maintaining and upgrading firearms. The durability" reliability and excellent build quality of these parts will ensure years of service you can count on.