User blog comment:JoeRamirez/Call of Duty Modern Warfare 3 Weapons Wishlist./@comment-82.26.205.66-20110611153827/@comment-356904-20110615135855

When did maths decide whether something is a carbine or not? There's no minimum length for the classification.

That and the CAR-15 is about the same length as the Mark 18 CQBR.