Manufactured in the USA, ATI's Strikeforce Shotgun forend features 2 Picatinny rails which allow for Easy installation of all your favorite accessories. It is constructed of textured DuPont polymer with blank inserts for when rails are not in use. This forend is compatible with most 12 ga Mossberg 500/535/590/835, Maverick 88, Remington 870, and Winchester 1200/1300/SXP shotguns. *The forend included in this package is compatible with: (1) Mossberg shotguns with a removable forend, any Mossberg shotgun newer than 2006 should be checked to insure that it has a removable forend. (2) Winchester forend tubes with a minimum Length of 6.25 are required for use of this product. Note: Mossberg forends require a 6 3/4 slide action tube, Maverick shotguns will also require the addition of a Mossberg 6 3/4 slide action tube.