APF 450 Bushmaster Fury Complete Upper Receiver Armor Black. . Formulated working with several of the most durable and long lasting resources around these AR15 Upper Receivers from APF will provide you with something that will give you numerous years of stability. APF has been developing superior quality products for a number of years and the APF 450 Bushmaster Fury Complete Upper Receiver is their particular manner of demonstrating how much they care. At OpticsPlanet we make it our obligation to purchase the perfect solution for all of your needs and featuring the APF 450 Bushmaster Fury Complete Upper Receiver is one thing that we are happy to offer. Specifications for APF 450 Bushmaster Fury Complete Upper Receiver: Manufacturer: APF Caliber: .400 legend Color: Black Fabric/Material: Aluminum Gun Type: Rifle Package Contents: APF 450 Bushmaster Fury Complete Upper Receiver APF UP1204: 450 Bushmaster Fury Complete Upper Receiver Armor Black