I like the Aero for the weight. Like a Ferrari, some extra care needed when installing the scope to compensate for the fact the scope will twist as you properly torque down the screws. IMHO, the weight savings is worth the effort. The QD is an over rated feature. I prefer a big nut to a fancy lever. Simple all day long. Less weight. You know, semi's are heavy enough.
The Aero is 3 ounces, light. I give you the Aero 1" extended:
http://www.ebay.com/itm/Aero-Precision-1-inch-Scope-Mount-Ultralight-Extended-APRA210400-Black-1-/111953286181?hash=item1a10ef9425:g:keEAAOSwv9hW6lgB
This will be actually be lighter than 1313's set up. Or settle for a Cadillac
