GEISSELE AR-15 SUPER DUTY UPPER RECEIVER ASSEMBLY 5.56X45MM 16″ COLD HAMMER FORGED BARREL M-LOK

The Geissele Super Duty AR-15 Upper Receiver Assembly features the latest in weapon technology available exclusively from Geissele Automatics. This 16” complete upper chambered in 5.56mm features a Nanoweapon coated Surefire Closed-Tine Flash Hider mounted to a 16” durable black oxide coated, CHF, Chrome Lined 1-7 twist barrel.Included is a bra