Winchester 1200/1300 Synthetic Mossy Oak Break Up Stock. This is a factory original composite stock and will fit the model 1200 and 1300 shotguns (both 12 and 20 gauge) and includes a grip cap and screw, and a molded swing swivel. Stock bolt/washer and recoil pad not included. *It is recommended that all Winchester parts be installed by qualified and trained gunsmiths.