I usually use it as an entertainment weapon.
If you really want to use it seriously, there are two ways to use it:
Look at the Yin people and hit them from the side. When the opponent's gun turns to you, you can already shoot the second time. As long as you hit it right, you can basically kill him.
First I used the bunker, flashed a shot and flashed back, and then flashed a shot. This is my main style of playing Winchester and it feels very effective. Of course, the premise is that you have the right number. . .