Anderson AOR AR-15 Upper Assembly 5.56 NATO 16″ M4 Barrel 1:8 Twist Black B2-K611-AF00
Manufacturer Number: B2-K611-AF00
Optics Ready upper receiver assembly
Caliber: 5.56 NATO (Accepts .223 Remington)
Barrel: 16″ M4 profile
Rifling twist: 1 in 8″
Gas system: Carbine length
Muzzle Threads: 1/2-28 TPI
A2 Flash Hider
Anderson Manufacturing builds quality AR platform firearms, parts and accessories. From the smallest spring to complete .308 Sniper rifles, Anderson Manufacturing can fulfill even the most discerning shooters needs.
This Optics Ready upper assembly is ready to install on your favorite lower receiver assembly. All you need is a Bolt Carrier Group and a Charging Handle.