It's a 5 string:Your bridge is right here:
https://www.talkbass.com/threads/guild-pilot-bass-club.368386/page-76#post-28250321
@Rickplaysbass is the bridge in that bad of shape? I thought it just looked like one of the saddle screws needed to be replaced.
The tuners are going to cost you a little more if you insist on compact heads. If you can live with vintage cloverleaf style there's a 4R1L set on Amazon for $31.