The ground glass that came with the Speed is a little clouded/gross, once again I was wondering if I would be able to swap the glasses from my calumet... With that said the Graflock back that came on the SG is decent but one said isn't as tight as I'd like it, is there a good supplier of backs that I could get a new one at? Or, can I swap out the Graflock from my Calumet? (I've also posted pictures of both)
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