Mossberg 590 Shockwave 12 Gauge Rear Grip Home Defense Tactical Hunting Accessory.

Polymer Stock Adapter designed for use on Mossberg 500/590 shotguns. These stock adapters allow users to attach rifle collapsible stocks to the host shotguns and feature a lowered stock elevation allowing the use of iron sights or even bead sights. Comfortable One Piece Design. Injection Molded Of Superior Glass Filled Nylon For Supreme Strength & Durability Black Color All Assembly Hardware Included Easy To Install Pistol Grip with Storage Compartment. Polymer rear cap with sling adapter.