Posted 31 Mar 2016 SIG SAUER factory telescoping stock installs easily on your MCX/MPX via the receivers 1913 interface. Stock offers three different lengths of pull and is available in black ORDER HERE https://www.hkspecialiststore.com/product-detail?productId=1228&categoryId=16&pageSize=all&sortBy=sequence&pageNumber=1 Greer, South Carolina, United States Share this post Link to post Share on other sites