Matrix Arms Stripped Upper Receiver 9mm Hardcoat Anodized Finish Black

Matrix Arms Stripped Upper Receiver 9mm Hardcoat Anodized Finish Black. Matrix Arms machined these AR15 Upper Receivers from Mil-Spec 7075 T-6 aluminum forgings to create an incredibly rugged platform that won't weigh you down. This Matrix Arms AR15 9mm Stripped Upper Receiver features a 1913 Picatinny rail on the topside to ensure compatibility with a wide variety of sights and attachments that will assist your aim in the field. When you equip this Matrix Arms AR-15 9mm Hardcoat Anodized Stripp