Barrel nut does not requiring timing with the gas tube.No frills clamp-on style installation using only a 1-3/16 Crow's Foot wrench and 5/32'' Allen key.

Compatible with most known low profile gas blocks.

Additionally, the weight savings enable us to utilize a longer barrel nut design which means more surface area at the attachment point without adding unnecessary weight. In our tests, the aluminum barrel nuts are just as effective when torqued to spec.

Snag free design with smooth, uniform octagonal surface ideal for accessory attachment or application of specialty coatings or patterns.

Raised QD attachment points at the 3 and 9 o'clock positions.

1913 Picatinny top rail with shaved and beveled center section.

M-LOK attachment slots on all sides (except top).

Type 3 hard anodizing or Cerakote™ sprayed at 1 mil thickness per spec.

Machined from aircraft grade 6061-T6 aluminum extrusions.

NEW: This version features new patent pending anti-slip / anti-lift attachment method (ASAL TM) for an easy, timing-free installation that provides an extremely rigid and secure attachment. Read below for more technical details about this impressive new attachment method. When designing this handguard, the team started from a basic set of requirements: The handguard must be tough, versatile, practical and have a straight forward install. The SMRS (Slim M-LOK Rail System) by Dirty Bird Industries is a high quality and feature packed M-LOK hanguard designed for AR-15 platform rifles and pistols.

Quad rail handguard ar 15