Larue Tactical LT910120 Quad Rail Handguard Aluminum Anodized Receiver for AR-15

The Larue Tactical LT910120 Quad Rail Handguard Aluminum Anodized Receiver for AR-15 is a professional-grade rail system designed for shooters and operators who demand modularity and accessory compatibility on the carbine platform. Built by Larue Tactical—a manufacturer trusted by military and law enforcement for precision and durability—this quad rail handguard replaces the standard handguard assembly to provide four continuous Picatinny rails for mounting tactical lights, vertical grips, laser designators, foregrips, and other mission-critical equipment. Whether you're building a duty rifle, home defense platform, or tactical training gun, this handguard expands your mounting options without requiring rail sections or adapters.

Constructed from aluminum and finished with hard-anodized coating, the LT910120 delivers exceptional corrosion resistance and a durable surface that withstands field use, moisture, and friction from gear contact. The anodized finish also provides a non-reflective, matte appearance that reduces glint in tactical environments. At 1.74 lbs, this quad rail system adds minimal weight while maintaining rigidity—critical for accurate sight picture and accessory stability under recoil. The four-rail design distributes accessory mounting pressure evenly across the handguard, reducing stress concentration and improving long-term component durability compared to single-rail or partial-rail alternatives.

This handguard is purpose-built for AR-15 platform rifles and integrates with standard AR-15 receivers and barrel assemblies; installation requires removal of the factory handguard and assembly of the rail system to the barrel. Law enforcement, military personnel, security professionals, and civilian shooters benefit from the unrestricted accessory mounting and long-term reliability Larue Tactical delivers. The quad rail configuration is particularly valued in low-light tactical scenarios where simultaneous mounting of primary and backup lights, pressure switches, and targeting systems enhances operational capability. Verify compatibility with your specific AR-15 upper assembly and handguard diameter before purchase.