The heat and dirt argument against DI is overstated. The heat is minimal and the dirt is minimal. Specifically when shooting my DI 5.45mm AR I get the barrel hot, hot, hot and the action is only warm. The action gets dirty but it is nothing to clean a DI gun. The DI is a brilliant design, simple, cheap and reliable. If the rifle you are interested in is available as DI you won't regret it. Except DI is not cool, not trendy. The argument changes with a suppressor but I won't address that as I have no first hand knowledge.
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