Get something like the smart parts S-rail ,or a Macdev Rail ,they give you loads of of adjuxstment forward without dropping the tank, use an ASA with a complete dovetail so you can move that forward as opposed to somthing like the earlier Eclipse OOPS which will only fit one way, Stako tanks are pretty short ,as opposed to Crossfire fibre wraps which are quite long ,buy/trade for a shorter REG there are a few ways round this, I know, I used to have this problem a few years ago,you will be surprised ,If you can squeeze an extra inch shorter out of your set up ,its a large difference to comfort ..you dont need to go nuts and waste your money on a drop ...you will get rid of it.
