#html-body [data-pb-style=BK6R1AU]{justify-content:center;display:flex;flex-direction:column;background-position:left top;background-size:cover;background-repeat:no-repeat;background-attachment:scroll}#html-body [data-pb-style=BK6R1AU],#html-body [data-pb-style=KDFMQB3]{border-style:none;border-width:1px;border-radius:0;margin:0;padding:0}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.CAUTION: 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 insure your use of this product is in compliance with all Federal, State, and local laws and regulations.