Complete Carbine "Top Half" Ready For Your Choice Of Lower

Complete upper is fully assembled and ready to install on the mil-spec lower receiver of your choice. Every component is carefully manufactured, finished, and tested to meet or exceed current military specifications to produce a reliable, smooth-functioning tactical rifle. The M4-profile 16" barrel is chambered for 5.56x45mm NATO and features cutouts for a tear gas/bean bag launcher. Chamber and bore are hard-chrome-lined for corrosion resistance and easy cleaning. Extended M4 feed ramps provide reliable feeding during rapid fire.  Rail slots are white “T”-marked. Includes standard M4 plastic handguard, A2 flash suppressor, bayonet lug, and front sling swivel. Receiver top and carrier are discretely laser-etched with Spike’s Tactical spider logo.