Can I order the ACC with a folding buttstock?

If you type "ACC" in the search bar at the top it will find all the components for you and you can go to each page, for your ease I have linked to the different components you would need 

Chassis base (right-handed) -https://mdttac.com/acc-chassis-base/

Buttstock (XTN interface) - https://mdttac.com/srs/

Grips - https://mdttac.com/grips/

Mags - https://mdttac.com/magazines/

Accessories - https://mdttac.com/accessories/