Magpul

Constructed of durable 4140 chromoly steel with a Mil-Spec manganese-phosphate finish, the Magpul ® M-LOK T-Nut Replacement Set is a must-have for shooters with M-LOK accessories. 2 different length socket-cap screws are compatible with a variety of handguard and forend thicknesses. A self-locking, reusable thread patch ensures a secure fit. Includes 4 replacement screws and 2 M-LOK T-Nuts. Made in USA.Manufacturer model #: MAG615. Durable 4140 chromoly steel construction Mil-Spec manganese-phosphate finish 2 different length socket-cap screws Self-locking, reusable thread patch Includes 4 replacement screws and 2 M-LOK T-Nuts.