16.5″ Ultra Lightweight Thin M-LOK System Free Floating Handguard With Monolithic Top Rail (Flat Dark Earth)

Description

Designed for AR-15 builders requiring a 16.5″ free-floating handguard that reduces mass without sacrificing structural rigidity. The T6 Aluminum body is machined to a thin profile, shedding weight while maintaining the necessary strength for reliable operation. The M-LOK system provides a modular attachment interface along the sides, bottom, and top, allowing for the secure mounting of accessories without interfering with the barrel.

A key feature is the Monolithic Top Rail, which is designed to fit tightly against the upper receiver. This alignment ensures a continuous, rigid top surface for optic mounting, eliminating the gap often found in traditional handguard designs. Top Rail is secured using six screws that lock the M-Top Rail against the receiver, with the Proprietary Barrel Nut Included to facilitate proper installation and alignment over the barrel.

The internal diameter is specified at 1.34″, accommodating standard gas tubes while ensuring the barrel remains completely free-floating. The total weight, 13.8 oz including the barrel nut, reflects the lightweight construction of this Thin Profile system. The exterior is finished with Cerakote Flat Dark Earth, providing a durable, corrosion-resistant surface. This handguard is a direct replacement for standard units, offering a lighter, more modular solution for AR-15 platforms.