Arrest of a stone Buddha

As a professional killer you'll live through November 1976 alternating non-stop shoot'em up action with a downtempo mundane life. You're fast and lucky enough so you don't plan your actions too far. You kill with one shot and you never miss. When you're run out of ammo you just throw a gun away. You can disarm any enemy and use any weapon. And when it's time to get out you just use a vehicle nearby.