*Salt Bath Nitride Chamber, Bore, & Finish
*Carbine Gas System
*A4 Barrel Extension (8620 Steel)
*Index Pin Installed TDC
*Threaded Muzzle Crown
*Labeled Between Gas Block and Muzzle with Caliber & Twist
*Weight: 1.342 lbs.
⚠️WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to - https://www.P65Warnings.ca.gov