DD upper on BCM

AR/M4 AR General Discussion
1

i just got a Sabre mid w/ DD 9.0…otherwise I’d be thinking about this

http://www.bravocompanyusa.com/Daniel-Defense-16-M4-Carbine-Upper-Receiver-Group-p/ddm4%20upper%20half%2016%2012.htm

2

Why? When you can get the complete rifle for $300 more?