Shotforce Marine Top-Folding Stock allows your shotgun to function with the stock extended or folded. The quick release button allows the buttstock to fold or unfold instantly. Reversible for right and left handed shooters. The stock also includes integral pistol grip, mounting adapters and required hardware. This stock is compatible with Maverick 88 12 & 20 GA; Mossberg 500,535,590,835 12 & 20 GA; Remington 870 12 GA; Winchester 1200,1300 12 & 20 GA.