XGrip stated via email, to me, that they will have something out this summer. As of now nothing and with summer passing who knows their real timeline.

This thread is the idea I went with for now.
9c with 15 round 2.0 compact magazine.

And I bought a XGrip knock off similar to these to practice on. Then purchased a real XGrip after I had my techique down.
Smith & Wesson M&P 9mm 9C 40C .357C Mag Adapter Grip S&W to Fits Compact 5 PCS 753182070063 | eBay

Granted, not ideal, but has proven out to be a good solution.