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M-LOK® T-NUT REPLACEMENT SCREWS FOR AR-15 Reviews & Ratings

The M-LOK T-Nut Replacement Set is a hardware set designed for use with all M-LOK accessories. Made of 4140 Chromoly steel with a Mil-Spec Manganese Phosphate finish, the hardware set is supplied with two different length button-head socket cap screws to ensure compatibility with various hand guards or forend thicknesses. A self-locking reusable thread patch is added to the screws to ensure a secure fit upon installation.

See all of our AR15s and AR15 parts here.

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You always need a few of these.

Quick ship, great price, fit perfectly.

Would you recommend this? Yes, I would recommend to a friend

by SCOTT F. on April 28, 2026

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as advertised

Works great. Exactly what you would expect.

Good quality M-LOK T-Nut Screws

Good to have around, I eventually used it. The longer screws worked out fine.

It's MagPul

Does the job. No issues.