No, it is lower than an absolute co-witness. Here is a link to the T1 Absolute co-witness mount from ADM:
https://www.opticsplanet.com/american-defense-manufacturing-aimpoint-t1-micro-mount-1-piece-co-witness.html
The American Defense Manufacturing Aimpoint T1 Micro Low Mount is designed to fit a variety of rails including Weaver rails and will work with a Weaver rail with a 1" slot spacing.
The American Defense Manufacturing Aimpoint T1 Micro Low Mount will fit a Romeo 5 that uses a AAA battery, as it still uses the T1/T2 optic footprint.
Yes. The Vortex Sparc AR uses the Aimpoint T1/T2 mounting footprint, so the American Defense Manufacturing Aimpoint T1 Micro Low Mount will fit and function as intended.
Yes, this will be compatible.
Yes, this will be compatible.
Yes, it will.
It really depends on how and where you are mounting it. This mount is meant to fit ANY picatinny rail. So if you have a picatinny rail on your scope, this should mount to it as long as it has enough room around it.