Original sentence: Acquiring a rifle, Zaitsev — an expert marksman — manages to kill five Germans with the only five bullets he has, impressing a witnessing political commissar, Danilov (Joseph Fiennes)
Edited sentence: Acquiring a rifle, Zaitsev — an expert marksman due to experience hunting — manages to kill five Germans with the only five bullets he has, impressing a witnessing political commissar, Danilov (Joseph Fiennes)