Description
The Magpul MAG615-BLK M-LOK T-Nut Replacement Set is a genuine replacement hardware pack designed for use with all M-LOK accessories. Machined from 4140 Chromoly Steel and finished in Mil-Spec Manganese Phosphate for corrosion resistance, this set provides the mounting hardware needed to install or re-secure M-LOK accessories on compatible hand guards and forends.
The kit includes two T-Nuts and four button-head cap screws supplied in two different lengths to ensure proper fit across a range of hand guard and forend wall thicknesses. Each screw features a self-locking reusable thread patch that holds the fastener securely in place during installation and removal.
Made in the USA, this M-LOK hardware set is a straightforward, reliable solution for replacing lost or damaged mounting hardware and keeping your M-LOK accessories secured to your rifle.









