The Reptilia 15-inch M-LOK handguard in FDE anodized is built around Reptilia’s patented turn buckle technology (Reptilia part no. 100-340). It is compatible with all M4 upper receivers and uses a 33.5mm internal dimension. The handguard is made from 6061-T6 aluminum extrusion with a MIL-STD Type III, Class 2 hard anodize finish. At 15 inches it gives a long M-LOK surface for lights, grips and accessories on a rifle-length or mid-length gas system build. It is made in the USA and carries a full lifetime warranty against manufacturer defects.

Key Specifications

• Length is 15 inches, the longest of the four Reptilia handguard lengths.
• The color is FDE anodized.
• Material is 6061-T6 aluminum extrusion, a strong and light alloy.
• The finish is MIL-STD Type III, Class 2 hard anodize, for wear and corrosion resistance.
• The attachment system is Reptilia’s patented turn buckle, a tool-light way to lock the handguard to the upper.
• It fits all M4 upper receivers, per Reptilia.
• The internal dimension is 33.5mm, which sets the clearance around the barrel and gas system.
• The mounting pattern is M-LOK, which accepts M-LOK lights, grips and sling mounts.
• Weight is 358 grams.
• Reptilia backs it with a lifetime warranty against manufacturer defects.

Frequently Asked Questions

What tools do I need to install it? Reptilia recommends its Barrel Nut and Turnbuckle Wrench, sold separately. The barrel nut torque spec is 50 ft-lbs, and the turnbuckle is tightened hand tight with red thread locker.

Does it fit my upper? Reptilia states the handguard is compatible with all M4 upper receivers.

What length and color is this one? This one is 15 inches long in FDE anodized. Reptilia also makes the handguard in 9.4, 10.5 and 13 inch lengths and in black.

Buy the Reptilia 15-Inch M-LOK Handguard in FDE

A long handguard gives you more room for a light, a grip and a sling mount without crowding, and a turn buckle mount keeps it tight against the receiver. This one ships in FDE to match other earth-tone parts on the rifle. Browse more AR handguards or order from our Lubbock, Texas gun shop for fast, insured shipping.