---
title: "Geissele Automatics MK14 13.5\" Desert Dirt Rail"
description: "13.5\" Geissele MK14 M-LOK rail in Desert Dirt, machined from 6061-T6 aluminum. Includes barrel nut; wrench sold separately."
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  "og:description": "13.5\" Geissele MK14 M-LOK rail in Desert Dirt, machined from 6061-T6 aluminum. Includes barrel nut; wrench sold separately."
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---

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GSS-05-573S

![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/256273/main.jpg?v=1718631859)

For illustration purposes only, this image may not be an exact representation of the product.

# GEISSELE MK14 Super Modular Rail 13.5" M-LOK Desert Dirt

The Geissele MK14 Super Modular Rail is a 13.5" free-float M-LOK handguard for AR-15 platforms. Its slimmer profile is precision machined from 6061-T6 aluminum and features M-LOK slots at the 3, 6, and 9 o'clock positions. The Type 3 hardcoat anodized rail weighs 11.5 oz. with hardware and includes a barrel nut. A Geissele barrel nut wrench is required and sold separately.

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Item #

256273

Style

GSS-05-573S

UPC

817953022542

Condition

New

Manufacturer

[Geissele Automatics](https://www.kygunco.com/brand/geissele)

Weight

1 lb

Geissele's Super Modular Rail (SMR) MK14 M-LOK handguard is the latest entry to the Geissele line-up of Super Modular Rails. The new handguard design offers a smaller diameter and overall height to create a slimmer package. Included with the MK14 Super Modular Rail is an updated version of the proven Geissele Barrel Nut design, not only providing ease of installation but also superior rigidity. The long surface contact of the 2.25" barrel nut interfaces with the receiver, creating a platform that can be trusted to be straight and true the entire length of the free float rail. The MK14 is precision machined using 6061-T6 aluminum due to its strong, rigid and lightweight properties. Utilizing Magpul's M-LOK technology in the 3, 6, and 9 o'clock positions allows the end user full customization and modularity of their rifle to securely mount lights, bipods and other firearm accessories. The Geissele MK14 Super Modular rail is Type 3 Hardcoat Anodized. Requires a Geissele barrel nut wrench for installation (sold separately).

- Height: 2.02"
- Inner Diameter: 1.27"
- Outer Diameter: 1.52"
- Weight w/ Hardware: 11.5oz.
- Length 13.5"
- Includes Barrel Nut (Barrel Nut Wrench Sold Separately)
- Geissele Automatics AR-15 13.5" Super Modular Rail MK14 M-LOK

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WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to [www.p65warnings.ca.gov](https://www.p65warnings.ca.gov).

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