Description Early Colt AR-15 SP1 complete lower receiver chambered for .223 Remington/5.56 NATO. Manufactured in 1968 with serial number SP12295. Forged aluminum receiver with gray finish. Standard AR-15 lower controls. Lone Star Ordnance Stowaway 2 checkered pistol grip with storage compartment. Fixed rifle stock with solid type D ribbed butt plate. The magazine Well is stamped with Rampant Colt logo “COLT AR-15”, “CAL..223 MODEL SP1 SER.SP12295”. The left side of the receiver is marked “COLT’S PATENT FIREARMS HARTFORD, CONN. U.S.A. MFG.CO.’. Must ship to a FFL holder. Condition: Very good with scratches, contact marks, and general cosmetic handling wear on the receiver, small parts, and furniture. The rear sling swivel is painted white. The rear edge of the hammer has been buffed. Serial: SP12295 Manufacturer: COLT Year: 1968 Caliber: .223 Rem, 5.56 NATO Model: AR-15 SP1 Book# 03940