Both Red Dot and Fixed optic?

[TXAZ]

Wondering if anyone has a suppressed SBR with both a red dot and low power optic?
My SBR suppressed subsonic only 300BO has a Sig 8 red dot but wondering if anyone is running both / are there any recommendations?

 

[TurboTrout]

So using the dot as a BUIS type of thing?

Got a offset dot with a higher power scope on a 18” AR

For something small, why not a cotwitnessed red dot, or just straight red dot for a pure range gun