All you need to know is found here:
www.hipointfirearmsforums.com
Try it, you'll like it!

HTA Bullpup Chassis
I am unreasonably exited and would buy another carbine just to drop into this kit: Source Here's an Arfcom thread where a company representative chimes in. They state that increased early interest expressed directly to the company could lower anticipated release price. No release date, yet.
Try it, you'll like it!