DoubleStar Complete Flattop Upper Receiver

Complete Flattop Upper w/M-4 Feed ramps. Standard .Forged from 7075-T6 aluminum that has been heat treated and hard coat anodized. Complete receiver comes assembled with T markings, forward assist and dust cover. Specifications for DoubleStar Complete Flattop Upper Receiver: Manufacturer: DoubleStar Cartridge: 5.56x45mm NATO Finish: Anodized Color: Black Fabric/Material: 7075 T6 Aluminum Gun Rail: Picatinny Gun Model: M4 Condition: New Magazine Included: No Features of DoubleStar Complete Flattop Upper Receiver M4 Feedramps: Yes Complete/Stripped: Complete Package Contents: DoubleStar Complete Flattop Upper Receiver