DPMS AR-15 Upper Receiver Black. Forged 7075-T6 A3 AR upper is made to MIL-SPECS and hard coat anodized black for durability. Specifications for DPMS AR-15 Upper Receiver: Manufacturer: DPMS Color: Black Finish: Anodized Fabric/Material: 7075-T6 Aluminum Gun Make: AR Platform Gun Model: AR-15 Muzzle Device: No Package Contents: DPMS AR-15 Upper Receiver What firearm models does the manufacturer say DPMS AR-15 Upper Receiver is compatible with? The manufacturer says that DPMS AR-15 Upper Receiver is compatible with AR-15DPMS DP7102: AR-15 Upper Receiver Black