PTAC 16" M4 1/7 BLACKHAWK! Rifle Kit with Bushnell 1x32 Red Dot Optic

Upper:Barrel Length 16" 5.56 Nato Chamber1 in 7" twist M4 Profile Barrel .750" Gas Block Diameter M4 Feedramps Forged UpperM16 Full Auto Bolt Carrier GroupCharging HandleCarpenter 158 BoltMade in USALower Build Kit:BLACKHAWK! Lower Build Kit Optic: MFR #: AR730132Bushnell AR 1xMP 1X32mm Black Matte OpticIlluminated red/green T-dot reticle 1x optics for fast target acquisition in low light Built-in mount for AR rail. The upper receiver forgings are duty grade items.  As such they are guaranteed to be free of scratches that penetrate the anodizing.  They may, however, have cosmetic surface irregularities under the finish.  These marks are normal, in no way affect the integrity of the firearm, and are not considered a defect.   *Due to high volume, this item may take 10-15 business days to ship*