those are the only UL sizes, Proto does make a .690 that is virtually identical to the UL barrel and will work with a UL tip
QuencyJones16 "Listen to me and Rygor, we know our junk...."
PunkAnarchist69 "I highly respect your opinion Rygor you know your stuff"
EvilOgre8705 "Damn Rygor....I mean good job...you seem to know ur ****..you couldn't have said that better"
Guns only lead to problems…But when they come we will be ready to blow their freaken heads off