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.