Daniel Defense's Mid-Length Ligthweight Profile barrel is constructed of chrome moly vanadium and goes through a cold hammer forge proccess.
Specifications:

Caliber or Gauge	223 Remington/5.56 NATO
Length	16"
Model	AR-15
Twist	1:7"
Sights	None
Bore Type
Finish	Black Phosphate
Type	All Purpose
Chokes Included
Choke Configuration
Barrel Type	Midlength
Ammo Type
Barrel Features	Lightweight Profile