I believe this to be the BFH model.
I searched the sku number, and that should be the one.
$125 off
PA Link
http://www.primaryarms.com/bcm-upper-receiver-bfh-16-mid-kmr-alpha-15-bcm-urg-mid-16bfh-kmr-a15
BCM Link that should be the sku ariving
https://www.bravocompanyusa.com/BCM...Group-w-BCM-p/bcm-urg-mid-16-bfh-kmr-a-15.htm
I searched the sku number, and that should be the one.
$125 off
PA Link
http://www.primaryarms.com/bcm-upper-receiver-bfh-16-mid-kmr-alpha-15-bcm-urg-mid-16bfh-kmr-a15
BCM Link that should be the sku ariving
https://www.bravocompanyusa.com/BCM...Group-w-BCM-p/bcm-urg-mid-16-bfh-kmr-a-15.htm