The Luth-Ar AR-15 11.5" Lightweight Gov't Profile Upper Receiver 1-7 is a complete A3-style upper assembly built around a government-profile 11.5-inch barrel. Chambered for 5.56x45 NATO, it combines a hard-coat anodized forged receiver with a classic carbine-length handguard, F-marked front sight base, and A2 flash hider for a familiar, dependable AR-15 configuration.

This upper is button-broached from 4150 chrome moly vanadium steel with a 1:7 right-hand twist, optimized for a wide range of bullet weights. The carbine-length gas system, M4 feed ramps, and assembled bolt carrier group support smooth cycling and reliable feeding, making it well suited for range use, training, and general-purpose AR builds where compact handling is desired. Luth-Ar’s attention to detail and proven AR components deliver a straightforward, durable upper ready to pin onto your compatible lower.

Key Features:

• Manufacturer: Luth-Ar
• Model: AR-15 11.5" Lightweight Gov't Profile Upper Receiver 1-7
• Caliber: 5.56x45 NATO
• Condition: New
• Barrel Length: 11.5"
• Threaded Barrel: Yes, 1/2 x 28
• Weight: 3.75 lbs (approximate item weight)
• Length: 20" (item length)
• Width: 4" (item width)