Description Spare barrel for USP9mm Tactical or upgrade USP9 to accept threaded suppressors or other muzzle attachments. Thread protector and O-ring are not included. – Compatible with USP 9mm Full size pistols. – Barrel length 4.86 inches – 13.5 x1mm lefthand thread. – Will not work with USP Expert or Elite – Thread protector and O-ring are not included.
