This BCM AR-15 Complete Reduced Receiver W/A5 BUFFER incorporates a BCM intermediate size receiver extension in addition to a Vltor A5H0 buffer to deliver the benefits of the Vltor A5 buffer system. The lessen receiver is machined from 7075-T6 aluminum forgings that has a Mil-Spec tricky coat anodized finish https://dalep205xmw6.wikipresses.com/user