The Luth-AR .308 A3 Stripped Upper Receiver represents four decades of firearm industry expertise from Randy Luth founder of D.P.M.S./Panther Arms. This precision-engineered upper receiver features 7075-T6 forging construction with a durable hardcoat anodized black finish.Luth-AR .308 A3 Stripped Upper Receiver7075-T6 forged aluminum construction for maximum strengthHardcoat anodized black finish for corrosion resistanceCompatible with 308 Winchester/.308 caliber buildsDesigned for AR rifle platformsBacked by Randy Luth's 40+ years of innovation and 7 industry patentsPerfect for custom .308 AR builds this stripped upper receiver provides the reliable foundation you need with the quality and engineering expertise that made DPMS/Panther Arms an industry leader.