FAB Defense M4 Buttstock for Rem 870 Black. Its rugged one piece adapter design features drop-in installation and is textured for secure grip. The pistol grip features a storage compartment to hold extra batteries. Compatibility: Remington 870 12 gauge models Shotguns Specifications for FAB Defense M4 Buttstock for Remmington 870: Mfg Item Num: AGR870-FK Supplier SKU: 20601 Category: STOCKS AND FORENDS Type: Buttstock Firearm Type: Shotgun Firearm Model: Remington 870 Material: Polymer Finish: Black Features: Collapsible Positions: 6 Package Contents: FAB Defense M4 Buttstock for Remmington 870 The FAB Defense M4 Buttstock for Remmington 870 is a quality addition to the FAB Defense lineup. For more great deals on Shotgun Stocks by FAB Defense please browse our FAB Defense Gun Parts page. What firearm models does the manufacturer say FAB Defense M4 Buttstock for Remmington 870 is compatible with? The manufacturer suggests that FAB Defense M4 Buttstock for Remmington 870 is compatible with Remington Model 870Mako FX-AGR870FK M4 Style Shotgun Polymer Black