This machined aluminum adapter adds a 1913 Picatinny rail section to the rear of any PLR pistol or SU rifle that has a pistol grip which can be utilized to mount any side-folding stocks or braces. Durable, lightweight design - Precision machined aluminum Secure installation - Includes two mounting plates for a rock-solid fit Compatible - Works with any stock or brace designed for 1913 Picatinny rails Stock/brace not included.