GUNTEC USA AR-15 Upper Receiver Stripped 9mm

Guntec USA has been manufacturing AR-15, AR-308 and AR 9mm accessories since 1989. Their goal is to distribute excellent quality, at an economical value. Features 1913 Picatinny Rail Flat Top Will Match Up With Any Brand 9mm Lower Receiver Such As New Frontier, Palmetto State Armory, & Circle Quarter 10 Ejection Port Opening Measurement : 0.61" Width X 2.30" Length Smooth "Slab Side" Design