Jivana108,
I think that either an Aimpoint ML2 & EOTech rev F meet and exceed all of your requirements. The only thing they don't have is magnification.
Regarding magnification, you presented your accuracy requirement in the context of 100 yards performance.
I would like it to be accurate at at least 100 yards
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At 100 yards and even 200 yards, the two optics I mentioned will be extremely accurate. By the time you are shooting at 300 yards and beyond you will probably want a different optic with more magnification and external, easily-adjusted windage and elevation knobs. But at the same time, at these extended ranges you probably want a rifle rather than an M4 carbine. You will also be wanting to shoot heavier bullets (75 to 80 grain) in a fast twist barrel, as well.
Neither of the optics I mentioned have any magnification but they will do everything you want.