Earlier in March two other pictures were posted on the page showing various DoubleTap parts fresh off the production machines.
Trap Doors for the bottom of the grip frames
Still no official availability date as of today, but you gotta love the progress. The last official update was a Q1 2013 release, but we blew by that a few days ago. No new date has been offered yet so admire the pictures and make your own guess if the boxes in the first picture are empty or full. I'm just excited to see some real evidence of progress.