Fostech Tech-15 Stripped Upper Reciever Black. Specifications for Fostech Tech-15 Stripped Upper Reciever: Manufacturer: Fostech Color: Black Finish: Type III Hardcoat Anodized Gun Make: AR Platform Gun Model: AR-15 Package Contents: Fostech Tech-15 Stripped Upper Reciever What firearm models does the manufacturer say Fostech Tech-15 Stripped Upper Reciever is compatible with? The manufacturer suggests that Fostech Tech-15 Stripped Upper Reciever is compatible with AR-15Fostech 8800-BLK: Tech-15 Stripped Upper Reciever Black