This BCM AR-15 Complete Lower Receiver W/A5 BUFFER incorporates a BCM intermediate size receiver extension in addition to a Vltor A5H0 buffer to supply the key benefits of the Vltor A5 buffer technique. The decreased receiver is machined from 7075-T6 aluminum forgings having a Mil-Spec challenging coat anodized end https://a5bufferweightchart12197.bloginder.com/29325234/ar-fifteen-finish-reduced-receiver-w-a5-buffer-bcmgunfighter-inventory