This BCM AR-15 Total 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 method. The lessen receiver is machined from 7075-T6 aluminum forgings using a Mil-Spec really hard coat anodized end https://a5-buffer-system-kit78899.blog-mall.com/29267985/ar-15-entire-decrease-receiver-w-a5-buffer-bcmgunfighter-inventory