I don't believe it is Cerakote, it is a matte finish and not traditional bluing but it doesn't have the rough texture of Cerakote.
They both are the same type of finish.
Amazing shooter Tikka T3X in 308. Started life as a Roughtech which has
D18 medium profile fluted barrel and spiral fluted bolt. Installed into an upgraded KRG X-Ray chassis for supreme adjustability. 3 Accuracy International magazines, one 5 round and two 10 rounders are included. $1,400 OBO...