SIG Sauer 1913 Picatinny Rail Folding Knuckle Brace/Stock Adapter

Add a Folding Stock or Brace to Your Sig Sauer MCX SIG Sauer was founded in 1864 and has grown into an international leader in the firearms industry. Headquartered in New Hampshire; they produce a wide range of products to include firearms, suppressors, optics, ammunition, and airguns. They have a long-standing history of incorporating innovative features into their products and use cutting-edge engineering to deliver high quality with performance. The Sig 1913 Folding Adapter Knuckle allows you to mount a folding pistol brace or stock to firearms that have a 1913 Picatinny rail attachment, such as the Sig MCX, MCX-Spear, and MPX. You just thread on a standard AR buffer tube, add a compatible brace or stock, then secure it to the picatinny rail on the receiver and you are ready for the range. SIG Sauer 1913 Folding Adapter Knuckle Specifications and Features: SIG Sauer Part # ADAPTER-X-FOLD Threaded to Accept AR Buffer Tube Folding Hinge Design Steel Construction Made in the USA Black Fits: SIG Sauer MCX, MCX-SPEAR, MCX-SPEAR LT, MPX and Firearms with a 1913 Picatinny Rail on the Back of the Receiver