4140 chromoly steel with a mil-spec manganese-phosphate finish
Self-locking reusable thread patch ensures a secure fit
Magpul's M-LOK T-Nut Replacement Set is a must-have for shooters with M-LOK accessories. Durable 4140 chromoly steel with a mil-spec manganese-phosphate finish. Two different length socket-cap screws are compatible with a variety of handguard and forend thicknesses. Self-locking reusable thread patch attached to the screws ensures a secure fit. Includes four replacement screws and two M-LOK T-Nuts. Made in USA.