MCX/MPX Stock Hinge Assembly – 1913 Interface Editor’s Pick

Factory replacement hinge assembly for SIG MCX and MPX rifles with folding stocks. 1913 interface to attach to the back of the receiver. Includes screw to attached to stock stem.WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to – www.P65Warnings.ca.gov.