M15-A4 STRIPPED UPPER RECEIVER ANODIZE, DRY FILMED, ETCHED

Item Number: EU0520E

M-15 Uppers use 7075-T6 Aluminum.
Thread Size: 1-1/4" X 18 UNF-3A

Caliber: .223/5.56mm NATO
Upper Receiver: Forged Flattop with Picatinny Rail & Laser Engraved Rail Numbering, 7075-T6 Aluminum

Your Price: $133.00  EA