Early 9mm carbines were simply pistols with detachable stocks and appeared on Luger vaariants ... Generally though, 9mm carbines and other pistol caliber carbines (PCCs) are compact, blowback ...

KelTec’s P11 polymer-frame 9 mm Luger pistol started shipping more ... These days, many gun shops carry multiple examples of rimfire and pistol-caliber carbines that either break down or fold ...