[quote=ASTA]I also can't possibly see how some of the more 'mundane' technologies can be overclocked, like a Mosin-Nagant.
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Take the standard barrel off, bore it for a higher caliber or simply replace it. Go from .308/7.62mm to .408 Lapua or .50BMG rounds.

Better damage, better range, better accuracy. Though TECHNICALLY it wouldn't be a Mosin anymore.