[RacingManiac]

At anyrate, which ever style of RDS you use needs a ton of practice to build your index and draw for it. The main benefit of the RDS still exist for both in that it takes the sight alignment out so its shooting where the dot is at. You'll get appreciable benefit from having one(primarily for competition style shooting, the bulk and fear of having it shotout might prevent you from using it as a scrim piece.

I want to add one thing on Tys's finishing statement though, AS being gas powered, heavier moving parts might be detrimental for the performance of the gun....