CMMG Barrel and BCG Kit, 5.7X28MM, 16.1" Barrel, Black, Fits AR Rifles 57D0476
Specifications:

Caliber or Gauge
Length	16.10"
Model	Replacement Barrel
Twist
Sights
Bore Type
Finish	Salt Bath Nitride
Type
Chokes Included
Choke Configuration
Barrel Type
Ammo Type
Barrel Features