FEATURES:- Material: ABS Polymer-Adapts AR-15 MIL-Specs and Pistol Grips to fit Remington 870 12 GA. shotgun.-Designed to allow the use of a AR-15 telescoping stocks and pistol grips on your shotgun.-Made of a tough die cast metal alloy that also provides greater strength, and additional weight to reduce felt recoil.PRODUCT SPECIFICATIONS:Dimension 1.75 X 4.75 X 7.70Height 1.7500Width 4.7500Length 7.7000TYPE/COLOR STOCK ADAPTER KITSIZE/FINISH REMINGTON 870 12GA.MATERIAL ABS POLYMEROTHER FEATURES: ADAPTS AR-15 MIL-SPEC STOCKS AND PISTOLGRIPS TO FIT REMINGTON 870 12GA. SHOTGUN.NO DIRECT SHIP TO CALIFORNIA