I emailed DD on Friday and haven't heard back yet. I will call them on Monday and see if I can get ahold of then. If not I will contact brownells.
Yes quentin it's the lighter ar-15 bcg, their chrome bcgs are civy and the phosphate are milspec. Normally I would get the milspec bcg but this build is getting an adjustable gas block so I wanted a slightly lighter bcg.
"A free people ought not only to be armed and disciplined but they should have sufficient arms and ammunition to maintain a status of independence from any who might attempt to abuse them, which would include their own government." --George Washington