This BCM AR-15 Entire Lessen Receiver W/A5 BUFFER incorporates a BCM intermediate size receiver extension as well as a Vltor A5H0 buffer to deliver the key benefits of the Vltor A5 buffer method. The lower receiver is machined from 7075-T6 aluminum forgings with a Mil-Spec tricky coat anodized end https://a5-buffer-weight-chart11613.actoblog.com/29311489/ar-15-comprehensive-reduce-receiver-w-a5-buffer-bcmgunfighter-stock