This BCM AR-fifteen Total Decreased Receiver W/A5 BUFFER incorporates a BCM intermediate size receiver extension as well as a Vltor A5H0 buffer to deliver some great benefits of the Vltor A5 buffer method. The decreased receiver is machined from 7075-T6 aluminum forgings using a Mil-Spec really hard coat anodized https://finnkkkjg.blogmazing.com/28301732/ar-fifteen-full-lower-receiver-w-a5-buffer-bcmgunfighter-stock