Cmmg Bbl Bcg Kit 16.1"

Cmmg Mk57 Barrel, 16.1" Barrel, 1:9 Twist Black Finish, Includes Bcg, Fits Ar Rifles.

Model: Mk57
Product Type: Barrel
Finish/Color: Black
Fit: AR-15
Accessories: BCG
Caliber: 5.7X28MM