Mossberg Flex Synthetic Standard Compact Stock Black For 500/590 Only. This Mossberg weapon stock is made of high-tech fiberglass-reinforced polymers (FRPP) and is a great choice for any hunter looking to make their Flex shotgun more durable or adjustable. Enhance the functionality of your Mossberg shotgun with a Mossberg Synthetic Standard Compact Stock for Mossberg Flex 500/590 that includes tool-less stock change system that requires no tools to make changes. Enhance the look and function of your weapon with a Mossberg Synthetic Standard Compact Stock for Mossberg 500/590. Specifications for Mossberg Flex Synthetic Standard Compact Stock Black For 500/590 Only 95223M: Mfg Item Num: 95223M Type: ACCESSORIES - GUN ACCESSORIES - GUN STOCKS/FORENDS Color: Black Model Header: Standard Compact Stock Master Model Header: Flex Synthetic Stocks The Mossberg Flex Synthetic Standard Compact Stock Black For 500/590 Only 95223M is a quality addition to the Mossberg lineup. For more great deals on Shotgun Stocks by Mossberg please browse our Mossberg Gun Parts page. What firearm models does the manufacturer say Mossberg Flex Synthetic Standard Compact Stock Black For 500/590 Only 95223M is compatible with? The manufacturer suggests that Mossberg Flex Synthetic Standard Compact Stock Black For 500/590 Only 95223M is compatible with Mossberg Model 500 Mossberg Model 590