I'm perplexed. I bought a 22lr revolver a pair weeks in the past, I wanted to lengthen the barrel by about two inches so I requested the place I could purchase a substitute barrel to the manufactures Site, they mentioned that the gun was registered to me from the atf https://josuearibo.daneblogger.com/31034615/the-basic-principles-of-p80-glock-for-sale