Short guns can be HC too
"FINE FRENCH FLINTLOCK CARBINE. NSN. Cal. .70. 13-1/2" multistage bbl. Finely engraved flintlock has a crane holding a snake in its bill. The sculpted gilt bronze side-plate has a three-dimensional devil’s head in the center. The lockplate is marked inside "..AN ”“ GROI”¦". The lock is probably mid-18th century, as is has a bridle on the tumbler but none on the frizzen. A monogram of a crown over three intertwined letters is on the top flat at the rear of the bbl. The bbl has a 16-sided section with flutes forward of the oct section & two graduated rnd sections separated by bands. The trigger guard is engraved with a bust of a jester with exaggerated nose & chin. The stock is an extremely fine piece of burl walnut. CONDITION: Bbl and lock have a smooth gray appearance with scattered very light surface rust. Brass furniture has a dark patina. Stock is fine with only minor nicks and scratches with two short cracks at the rear lock screw. Carving on the stock is fine and shows little wear. 4-54424 FS76 (6,500-10,000) Picture here
I think they're an under appreciated area...
People always fall in love with blunderbusses but I suspect these were more common in Europe (on land at least)