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Hits seem way too likely compared to IRL gun battles. I feel like hits should be less likely, suppression should be more likely.
More suppression.
More recoil if shooting without the butt of the gun in your shoulder, like around corners.
Foregrips seem OP in terms of how much they reduce recoil.
IR lasers and IR goggles for MARSOC, with IR goggles being disabled for Volk by default. IR lasers are very, very helpful for reducing friendly fire and understanding which angles are covered and which aren't.
Weak-side shooting (this might already be in the game?) to present less of a target around weak-side corners.
Model the fear that comes from having your teammates killed/wounded.
Reason to use other guns. Like, maybe guns knock into the environment, making shorter weapons more useful, or maybe maps where only certain guns are enabled.
Let players enable gun failures, like a failure to feed, failure to eject, etc.
Let players enable a mode where they don’t die immediately unless they’re hit in the head, but they can be knocked down and still control their weapon.
Model different levels of body armor and their effect on speed and stamina, and model their protective effect more accurately (like, don’t just give blanket protection to a shot landing anywhere on the body).
Movement
Better stamina modeling.
Crawling seems OP right now.
Leaning.
Ability to feign death (but what button would it be assigned to?).
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