Just checked their site and it looks like they discontinued the model we got. The one below looks like the closest thing to it, with the right spacing, it just doesn't have the convenient openings in the top so that you can slip the string end right down and in, rather than having to thread the entire string through the little hole.
Bought it to upgrade a mustang bass. Sold the bass so I do not need it anymore.Ideal upgrade to 4 saddles for Fender mustang bass but also Squier Bronco!It's brand new, get it for cheaper.
reverb.com
Regarding the original holes, now that you mention it, those may have been doweled and still visible. I really can't recall. It's definitely not as long as the original Guild bridges. I can tell you for sure in about 3 months, when this bass is scheduled to come back into my possession, but you probably don't want to wait that long!
If the holes will bother you, you may have to hold out for one of the 90's Guild/Dearmond Reissue style bridges. They have a similar footprint to the originals but have oversized Fender style bridge saddles with the intonation screws and springs. As mentioned above though, the spacing is a bit wider. Will work with the neck, but the bridge pickup's poles will be spaced a bit narrower than your string spread there. I think the saddles are actually the same ones used on Mustang bass bridges, so hypothetically a mustang bass bridge should work just as well (though I'm not sure one of those would cover up the original holes either).
Another thing to note is that the mounting screws on the 90's reissue bridges don't line up perfectly.
I also came across another Guildslinger (I think on the talkbass forum) who had designed his own replacement. He machined the base plate himself and mounted 4 of the Hipshot single bridges to it... which might be a pricey way to go if you don't personally have access to the necessary machinery, but an idea worth mentioning none the less: