Kriss USA Vector 10mm Auto 16in Black Semi Automatic Modern Sporting Rifle - 10+1 Rounds - The KRISS Vector CRB is the non-NFA, semi-automatic, carbine variant with a 16in barrel. Additional standard equipment on the KRISS Vector CRB are the flip sights, full-length picatinny top rail, lower picatinny accessory rail, and a Glock magazine. This 10mm model CRB has a maglock for CA compliance.