Description This lot is for four stripped AR lower receivers of multiple caliber’s and makes. Firs is a Aero Precision M5 (BLEM) forged aluminum AR308 lower receiver with black hard coat anodized finish. Can be chambered for .308 Win, 7.62×51 NATO, or 6.5 Creedmoor. Second is Aero TR15 Thunder Ranch special edition (BLEM) AR15 multi cal lower receiver, made of forged aluminum with black anodized finish. Magazine well cuts for clearing malfunctions. Thunder Ranch logo is stamped on the right side. Third is a 17 Design and Manufacturing 17DM-4 multi caliber anodized forged aluminum AR15 receiver. Last is a American Defense Mfg UIC-15 duty series (BLEM) multi cal AR15 lower receiver. Made of billet 7075-T6 aluminum with ambidextrous controls and black anodized finish. Must ship to a FFL holder. Condition: New in box, factory blems and handling wear. Serial: US138900 Manufacturer: Aero Precision, American Caliber: .223, 5.56. .300 BLK, .308, 6.5CM Model: M5, TR15, uic-15, 17DM-4 Book# 04373