Noveske Barrel, 556NATO, 10.5", 1:7 Twist, Carbine Length Gas System, Pinned Gas Block, Stainless 07000048
Specifications:

Caliber or Gauge	223 Remington/5.56 NATO
Length	10.5"
Model
Twist	1:7"
Sights	None
Bore Type
Finish	Stainless Steel
Type
Chokes Included
Choke Configuration
Barrel Type	Threaded
Ammo Type
Barrel Features	1/2"-28 tpi