DoubleStar/Ace Remington 870 Shotguns Receiver Block
The Ace 870RB attaches to the receiver of Remington 870 Shotguns. Allows for mounting or any Ace Modular or Folding Modular Stocks. Also allows for use of most AR-15 type Pistol Grips. A2 Pistol Grip included, as well as all needed mounting hardware.