Getting micro stutters on dd2

Its very annoying even tho im getting 120fps an all high im getting very annoying micro stutters even with vsync on I dont understand why and it is very annoying and stoping me from playing

Specs

gigabyte z170 gaming i5 7600k oced to 4.8ghz 8gb of ram

Ive tried playing on 2 pcs and the same result micro stutters