A perfect working flatline 3000psi reg with every kind of drop available! (almost) The A.O. one has a quick disconnect but no mount screws (easily obtainable at a hardware store). Scratch on bottom pictured.
$50 shipped/paypal, USA only.
http://i33.photobucket.com/albums/d5...psq8ngfabf.jpg
http://i33.photobucket.com/albums/d5...psjsmbzdjb.jpg
http://i33.photobucket.com/albums/d5...psccs1ya5f.jpg