Daniel Defense DD Barrel 5.56×45 NATO 16″ Mid-Length 1:7

Description

The Daniel Defense DD Barrel is a 16″ lightweight mid-length barrel engineered for AR-15 platforms. Constructed from 4150 Chrome Moly Vanadium steel and produced via cold hammer forging, it emphasizes bore consistency and long-term durability. The barrel features a black phosphate finish, a 1:7 rate of twist and a mid-length gas system for balanced performance when paired with mid-length uppers and handguards.

Key Specifications

• The barrel length is 16″ for balanced handling and rifle-length sight radius.
• The cartridge compatibility is .223 REM / 5.56 NATO.
• The barrel material is 4150 Chrome Moly Vanadium steel.
• The finish is Black Phosphate.
• The barrel contour/profile is a Lightweight profile.
• The rate of twist is 1:7 to stabilize a wide range of bullet weights.
• The gas system length is Mid-Length.
• The muzzle threads are 1/2-28.
• The muzzle diameter is .600.
• The barrel weight is approximately 1.5 lbs.

Cold hammer forging produces a consistent, defect-minimized bore and chamber; paired with the lightweight contour and mid-length gas system, this barrel suits shooters seeking a durable, accurate replacement or upgrade for sport shooting, precision practice, and general-purpose AR-15 use. Its 1:7 twist and 4150 CMV construction provide a reliable foundation for varied loads while the phosphate finish offers corrosion resistance and discreet appearance.