GRIP Description: Fits Remington 870 Pump Action Shotgun Allows users to attach RF collapsible stocks Feature a lowered stock elevation allowing the use of iron sights or even the bead sights. Comfortable One Piece Design. Injection Molded Of Superior Glass Filled Nylon For Supreme Strength & Durability Simple Bolt On Installation (No Gunsmith Required) New bolt and washer for attatchment to the receiver is included Lightweight Construction Shotgun Pistol Grip Stock with shell carrier Ergonomic pistol grip Non-Slip Black Color Easy Installation CAP Description: High quality aircraft grade aluminum end cap screws into the Mossberg 500/535/590/Maverick 88 12 & 20 ga or Others 1 3/16"-16 TPI pistol grip that has the opening in the back to mount an optional adjustable stock. Want to run your shotgun with a more tactical and compact look Simply screw the end cap into the pistol grip and you are good to go. The sling swivel detaches with the simple push of a button, and allows you to attach a variety of tactical slings. Aircraft Grade T-6061 aluminum Black anodized finish Sling swivel: Detachable push button sling swivel Come with wrench