Multiple Manufacturers AR-15 Upper, 11" 5.56 NATO with Midwest Industries Quad-Rail Handguard
This AR-15 upper receiver assembly is chambered in 5.56mm NATO and features an 11" barrel. It is built with a flat-top upper receiver with Picatinny rail and a fixed A2-style front sight base.
The setup includes a Midwest Industries quad-rail handguard for accessory mounting space, along with an A2-style flash hider.