1. tag_heuer

    Marking Your 80% lowers

    I just build my first 80% LR 308 lower. What I want to know is anyone putting a personal serial number on theirs or some other kind of marking or are you just leaving it completely blank? I know currently you're not required with the 80%ers, but I'm worried if it ever was to be stolen, being...
  2. garrett

    Gunsmithing "80%" lower receivers

    Has anyone built one of these or know a good source? Ive been thinking about doing some tinkering and this seemed like a fun project