Tin StarG 10

You can work on this achievement while also working on the Been There, Done That achievement. It requires you to win 5 matches as a Lawman in a ranked Wild West Legend game. There will be an initial match and a revenge match, both need to be played. The side with the fastest time will get the win. The best way to win as a lawman is to be the attacking side completing all the objectives and there are four maps that you can attack as a lawman:

Burnside's Bridge
Stinking Springs
Taos Pueblo
Tombstone