By that, I meant, say a person normally carried a PDW 5.56, but then had to go on a mission.
Could that person feasibly have a second upper that they could swap out on at HQ, go into battle with the upper (It would go from a 10.5 inch barrel to a 14.5 inch barrel), then later on come back and put the PDW upper back on?
Or does it make more sense to just have two separate weapons?
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