A few years ago I bought a lower receiver, hoping to someday build a rifle. I gathered a few more parts (used/cheap), but never got any further. Since I didn't hunt muzzleloader season last year, and starting this year we can use handguns for ML season, I sold my ML to get the parts to finish the lower. I decided to make a pistol instead of a rifle, so I bought the complete lower parts kit from PSA. I put a couple parts on, just to see how it'll look. I'd never built one, or even had my Bushmaster taken apart, so I was hesitant to start with all those little parts. Then I found a DIY thread on AR15.com and started working on it. I printed the parts list, and put mine on it so I wouldn't mess up. I didn't do step-by-step pics, because it took all my attention to get it done. After lots of frustration, including the pivot pin detent getting launched around the room a couple times, I finally finished it. I also sold my 22-250, to use that money to build an upper. I have a 7.5" barrel ordered, and I'm looking for the other parts now.