A low-profile six-position folding stock adapter assembly that mimics an AR-15 mil-spec receiver extension. It comes complete with a MAGPUL MOE SL-K stock. Attaches to your MCX or MPX vertical Picatinny section.

WARNING: Use of this product with, or attached to, a firearm may result in the firearm meeting the definition of a “rifle” or “short-barreled rifle” under Federal law. Many states and localities regulate the use and/or possession of collapsible and folding stocks. Use, or possession of this product in conjunction with certain other parts, may be illegal in some jurisdictions. It is YOUR responsibility to ensure that your use or attachment of this product to a firearm is done in accordance with all applicable Federal, state, and local laws and regulations.