We stock as many types of threaded barresl as we can get and we'll custom order barrels as well. We currently have around 15 different threaded barrel types in stock. Usually have all the Glock types, Sig p226 and P938, Beretta m9/92fs, Ruger SR22. Price depends on the barrel. They start at around 175 and the most expensive are around $230 depends on make and brnad barrel. Give us a call if you have any questions.