This BCM AR-15 Finish Decreased 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 program. The lower receiver is machined from 7075-T6 aluminum forgings with a Mil-Spec hard coat anodized end https://a5bufferweight13455.blog4youth.com/29276160/ar-15-complete-decreased-receiver-w-a5-buffer-bcmgunfighter-inventory