Maybe someone will chime in. I once had a squier that I probably should have used as an ashtray though
I know that they made them for the Marcus Miller 5, but I can't seem to find anywhere to buy just the covers.
I found a few online and they specifically said would not fit 5 string http://www.fender.com/guitar-bass-parts/pickup-and-bridge-covers/vintage-style-jazz-bass-f-bridge-cover-chrome Vintage-style bridge covers for Fender® bridge assemblies. Mounting hardware not included. Fits American Vintage (US) Road Worn® and Classic Series (Mexico) models. Will not fit 5-string basses.
Bridge or pickup? You can get the pickup cover here: http://basspartsresource.com/bhardware_ashtrays.htm I've never seen the bridge cover for a 5 string.
I had one from Rondo Music that fits the 5-string Affinity Jazz, but I'm not sure if the Fender MM cover fits or not, but I *think* it does. Also, I have yet to find a rear cover for the bridge that fits. The bridge ashtray from Rondo is not wide enough and leaves some of the bridge exposed. There are differences between the Rondo and the MM covers though, the Rondo cover has more of an arch to it, while the MM cover is much more flat. Best of luck! The Rondo cover installed:
I ordered the marcus miller one from basspartsresource for my 5 string VM jazz. It is only the neck pickup cover, which is OK, but my B string rattles against it, like the cover is slightly too low. I can't lower my action any lower, or i get fret buzz. I was thinking of making some shims to go under the mounting tabs, but honestly just feel it is not worth it. It actually kind of gets in the way. I REALLY want a bridge (ashtray) cover though, but have had ZERP luck in finding one. See my thread here. http://www.talkbass.com/forum/f18/5-string-fender-bridge-cover-will-try-3d-printing-one-997096/
Well, I was wrong, everyone else is right. I just checked and can confirm what everyone is saying... the 4 string ashtray doesnt fit a 5er. Sorry. Also the jazz pickup cover dont fit a P pickup. But that I knew...
Get 2 cheapies from eBay, cut 'em down, solder them back together to make on 5 string sized one. Presto.
I've never seen an MM with the ashtray, only the neck pup cover. The MM comes stock with a BadAss bridge, and, as I recall, the cover won't fit over it.
Solder??? I made one for a friend. I split it down the center and TIG welded in a strip of sheet metal, ground down the welds and sent it out and had it re-chromed. He is a good friend that has helped me out a few times so I only charged him $50. That's all I had into it. It wasn't that hard but it is time consuming. I thought about doing a run of ten of them to sell here but after crunching the numbers to make it worth my while I would have to charge more then most people would pay.
Aside from wanting to look like a fender ad from 1956, why do you want the ashtray? I've never played a fender with one on for serious work, they get in the way and prevent you from playing near the bridge for sharp bright tones or palm muting... Not to mention changing strings and adjusting action and intonation. Also the edge can hurt your fingers. Oh wait... Maybe you play with a pick? I think that's what they were made for originally. Sorry for stupid questions.... I always consider bridge and pickup covers equal to plastic packing scratch stickies..... Remove it upon opening the box and throw it away.
I actually only play finger style, and think it really dresses up the overall look. I play FLATS mainly so string changes aren't an issue.