I have the same one...well the A1, which I think you do too, and cant get used to it.... I don't like the Kwki mag holders because I don't feel like I can get the mags out easily. would rather have a hsgi taco any day. I wonder if there is a way to loosen them up a bit
Here is another setup, sometimes as he mentioned, you swap the E tool for the 2nd canteen.
This one leaves room for the Medium alice kidney pad to ride atop the LBE belt in the back