An MP5/HK94 style tactical side folding stock for the GSG 5 & 522 series of rifles. This stock was originally made for the ATI imported GSG-5 rifle as an OEM part.

The stock can be open and closed by simply pulling up on the stock body to release the lock and swing it open. The stock will lock in both the open and closed positions.The housing is made of steel, and the body and end cap is made of high strength polymer.  An integrated steel sling swivel is mounted on the left side of the stock housing.  The OEM stock pins that come with the rifle are used to attach this stock to the receiver.