Yes, this is the 2.0 version.
Yes, the ODIN Works Zulu Collapsible Stock w/ Padded Pistol Buffer Tube is compatible with any rifle that utilizes standard AR15 Mil-spec buffer tubes. It features an adjustable length of pull from 12.75" to 15.88".
The ODIN Works Zulu Collapsible Stock could be used on a Mil-Spec diameter rifle buffer tube.
Nope. It has the "secondary buffer spring" but not the actual buffer or spring.
Yes, they should be compatible.
Yes it should slide off.
I think you may be asking about a brace not stock. Please be aware that adding a stock to a pistol requires an NFA approval and a 200 dollar tax stamp along with paper work. Please We check your local and state laws regarding SBRs to ensure compliance with the law.
Yes, it would be compatible with an AR-10.
I do not see one from Odin Works but you can probably use any qd endplate.
Yes, you can find the other colors here: https://www.opticsplanet.com/odin-works-zuluadjstock-w-pad-pstl-bufr-tube-blk-os-zulu-kit-blk.html