The Advanced Technology Int. Shotforce PGS is a 12ga and 20ga (proud fit) shotgun pistol grip stock with an X Series recoil reducing butt-pad. It fits Maverick 88 12ga & 20ga (proud fit)"" Mossberg 500/535/590/835 12ga & 20ga (proud fit)"" Remington 870"" American Tactical MB3"" and Winchester 1200/1300 12ga & 20ga (proud fit). The length of pull is 14"". It is easy to install and includes adapters for all supported models. Made in the USA.