I can say I’ve used both versions of the dpp and I absolutely love them both. for competition use I prefer them both over the rmr dual illuminated and adjustable led and also the ff3. Both versions have their pros and cons and I’ve ran them for about the same amount of competitions each. I can’t say I prefer one over the other since they are on different open pistols right now. The 2.5 Moa is definitely the brightest  I’ve seen. No amount of sun I’ve seen has washed the dot out. It’s pretty awes