A game freezes for a second while shooting

I have an issue, that when I shoot, the game freezes for like a second and it freaks me out because game is perfectly playable unless I shoot. What can I do to make it disappear? (Linking my squad btw, I got 103 Krkic now)

I have an issue, that when I shoot, the game freezes for like a second and it freaks me out because game is perfectly playable unless I shoot. What can I do to make it disappear? (Linking my squad btw, I got 103 Krkic now)