marksman
US /ˈmɑːrks.mən/
UK /ˈmɑːrks.mən/

1.
a person who is skilled in shooting, especially with a rifle or pistol
:
•
The police sniper was a highly trained marksman.
•
He proved himself to be an excellent marksman during the competition.
a person who is skilled in shooting, especially with a rifle or pistol