CORE15™ Lower Receivers are High Quality Military Specification Hammer Forged 7075-T6 Aluminum, Hard Coated Anodized Matte Black, .223/5.56 or Multi Cal.
CORE15™ Uppers are:
CORE15™ Lowers are:
NOTE: Serialized parts are required by Federal Law to be shipped to an FFL (Federal Firearms License) holder. Please fill in the Ship To address to reflect the chosen FFL's Premises address. To expedite the process have the FFL holder email a copy of their FFL to Compliance@core15.com with your information (Customer's name and Order Number).