ATI Outdoors Stock, Fits Mossberg/Winchester/Remington, 12 & 20 Gauge, Top Folder, Black TFS0600 The Advanced Technology Int. Shotforce Top-Folding Shotgun Stock is a 12ga and 20ga (proud fit) Stock. It fits Maverick 88 12ga & 20ga (proud fit), Mossberg 500/535/590/835 12ga & 20ga (proud fit), Remington 870 12ga & 20ga (proud fit), American Tactical MB3, and Winchester 1200/1300 12ga & 20ga (proud fit). It is compact for transport and carry, can be fired in an opened or folded position and is pre-drilled to accept a shotgun shell holder. It is easy to install and mounts for all supported models are included. A sling swivel stud is also included. Made in the USA.