Diamondback's OEM barrel is an 18 in 223 Wylde barrel for AR-15 rifles. The 223 Wylde chamber runs both .223 Remington and 5.56 NATO, and the medium profile, mid-length gas system and 1:7 twist suit a general-purpose or marksman-style rifle. It is made from 4150 chrome moly vanadium steel with a black nitride finish.
- Fits: AR-15
- Chamber: 223 Wylde
- Length: 18 in
- Profile: medium
- Gas system: mid-length
- Twist: 1:7
- Material: 4150 chrome moly vanadium steel
- Finish: black nitride