A replacement product from F-Factory designed for the Tokyo Marui SCAR-L, SCAR-L CQC, and SCAR-H NEG Series available at Laylax... "It is a robust dedicated stock of buttons for the SCAR series that will not get easily damaged by accidental fall. It is made lightweight aluminum alloy, and achieves a higher strength than usual with the thickness and shape! It is affordable, tough and can withstand abuse."