I am confused. I purchased a 22lr revolver a couple months ago, I wanted to lengthen the barrel by about two inches so I asked where by I could buy a alternative barrel on the manufactures Internet site, they explained the gun was registered to me from the atf with https://p80gen3glock17frame05949.iyublog.com/31070597/how-glock-43-80-percent-can-save-you-time-stress-and-money