Magpul Instructions - Thumb Shelf M-LOK
This guide details the installation of the Magpul Thumb Shelf onto M-LOK handguards. It emphasizes proper T-nut alignment and adjustment for a secure fit, highlighting the accessory's role in enhancing control and reducing muzzle rise. The thumb shelf is designed for octagonal M-LOK handguards and provides a repeatable index point for the support hand.











