ATI Outdoors Stock, Fits Mossberg/Winchester/Remington, 12 & 20 Gauge, with Picatinny, Black TSG0300 The Advanced Technology Int. Strike force Shotgun Forend in Black fits most 12 GA Mossberg 500/535/590/835" Maverick 88" Remington 870" and Winchester 1200/1300/SXP Shotguns. 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.*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 1/4 Inches are Required for use of this Product.It has a tactical shotgun Picatinny Rail package which includes one left 2" Picatinny rail and one right 2" Picatinny rail which allows for easy installation for all your favorite accessories. It is very tough yet extremely lightweight. Manufactured in the USA.