AR-10 .308 20" Aero Precision Stainless Steel Barrel, Rifle Length. This 20" rifle length barrel is the perfect addition to your .308 build. Crafted to mil-spec standards from 416R Stainless Steel with a bead blasted finish, this barrel provides time tested precision and accuracy for your .308 rifle build. Manufacturer: Aero Precision.
Caliber: .308 Winchester
Barrel Material: 416R Stainless Steel
Barrel Finish: Bead Blasted
Gas System Length: Rifle Length
Gas Block: .750
Twist Rate: 1:10 inches
Barrel Extension: DPMS 308