Having some type of rail forearm is nice, at least for attaching a vertical grip.
As for sights: Personally, I still don't trust anything besides iron sights. Maybe if I were not in combat, but if I were infantry, I'd rather just have iron sights over some expensive optical or holographic sight that might get damaged. That being said, it would be nice to have both the carry handle (or at least flip-up iron sights) and a more hi-tech scope just in case.
Are combat troops are in the habit of carrying back-up iron sights even when they have an Aimpoint or Holosight on their weapon?
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