Which is lighter?

[minutemen1776]

I'm considering a new Bravo Company upper assembly. Between the 16-inch M4 and the 16-inch mid-length, which would be lighter? I'm thinking it's likely the middy, since it has more of the light contour under the handguards. It does, though, lack the M203 cut-out, so I don't know for sure. Thanks!

http://www.bravocompanyusa.com/BCM-M4-16-Upper-Receiver-Group-p/bcm-urg-m4-16.htm

http://www.bravocompanyusa.com/BCM-16-Mid-Length-Upper-Receiver-Group-p/bcm-urg-mid-16.htm

 

[Mot45acp]

Bravo Company finally got middy lightweight uppers in.

http://www.bravocompanyusa.com/BCM-16-Mid-Length-LIGHT-WEIGHT-Upper-Receiver-p/bcm-urg-mid-16lw.htm

Unless you are not wanting the pencil barrel. I got one waiting on me to get home.

 

[Rokman]

I am thinking the middy, but I am biased toward them.