URX SR15 barrel nut - replacement for Knights Armament KAC
This is a steel barrel nut, to replace the KAC aluminum barrel nut, which is easy to damage during URX removal and installation. Made of quality tool steel and made in USA.
Finished in QPQ salt nitride bath to provide additional strength, self-lubricating properties and superb anti-corrosion.
Replacement for KAC part KM-20486
Fits URX II, URX III and URX 3.1 for SR15 Knights rifles
One (1) barrel nut included