5.8×21mm
The 5.8×21mm DAP92 is a Chinese rimless, bottlenecked, centerfire cartridge designed as an armor-piercing personal [defense weapon#PDW cartridges|PDW ammunition] for handguns and submachine guns.
Design
The cartridge was designed to replace the 7.62×25mm Tokarev chambered small arms for the People's Liberation Army, and be able to pierce soft body armour while still offering a wound as large as a standard 9×19mm Parabellum round.This round is offered in both a standard and subsonic version. Both the QSZ-92 service pistol and the QCW-05 submachine gun are produced in this caliber as well as 9×19mm Parabellum.