I'm perplexed. I purchased a 22lr revolver a couple months in the past, I wished to lengthen the barrel by about 2 inches so I questioned where I could purchase a substitute barrel about the manufactures Web-site, they explained that the gun was registered to me through the atf with https://elliottcllml.post-blogs.com/52907157/the-smart-trick-of-glock-43x-p80-rails-that-nobody-is-discussing