To me, a "carbine" is a rifle (even a longer SBR) with a barrel between 14.5" and 16" or so. If it's a pistol (with less than a 14.5" barrel), it's not a carbine. Not dissin' on pistol-caliber pistols, but it can't be a pistol caliber carbine unless it's a carbine. Just my dos centavos.OP is asking for a 9mm Carbine Rifle
Really a carbine is a carbine shorter than a rifle
I'm really unaware of a true 9mm Rifle
I've had a Camp 9 and sold it when I got hard up for money 25 years ago
Makes me sick to this day
8 years ago I bought a Keltec Sub 2000
Shot great but just jarred my face alot and never got comfortable with it
Ended up with a Beretta Storm
Great gun and matches my M9
Takes same magazine
EDIT: Traditionally, rifles had longer--MUCH longer than 16"--barrels and were quite unwieldy to use in many settings. So, if you think about an old-school rifle with a barrel of 22" to 24", then the term "carbine" being used for versions that were a good bit shorter than that, things start to make more sense. Carbines are rifles, but rifles with shorter (I specify 14.5" to 16", because the M4 is considered a carbine, and it has a 14.5" barrel).
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