This BCM AR-15 Full Lessen Receiver W/A5 BUFFER incorporates a BCM intermediate duration receiver extension in addition to a Vltor A5H0 buffer to offer the benefits of the Vltor A5 buffer system. The lessen receiver is machined from 7075-T6 aluminum forgings which has a Mil-Spec tricky coat anodized end https://mariooqlzp.blognody.com/28391880/ar-15-total-lessen-receiver-w-a5-buffer-bcmgunfighter-stock