Hey, I would like to know if anyone has any experience with Hardened Arms? I thought I had heard of every manufacturer of AR's and AR accessories out there until the other night and I ran across these guys. They appear to have some FANTASTIC prices even beating out PSA and Joe Bob's on barreled uppers. They have a 16" Barreled upper complete with quadrail for $149 bucks, that is $50 bucks cheaper than either PSA or Joe Bob's.