5.8×21mm

5.8×21mm DAP92
Type	Personal defense weapon
Place of origin	China
Service history
Used by	China
Production history
Designed	1994
Manufacturer	Norinco
Specifications
Case type	Rimless, Bottleneck
Bullet diameter	6.00 mm (0.236 in)
Neck diameter	6.57 mm (0.259 in)
Shoulder diameter	7.77 mm (0.306 in)
Base diameter	7.95 mm (0.313 in)
Rim diameter	7.97 mm (0.314 in)
Rim thickness	1.13 mm (0.044 in)
Case length	21.00 mm (0.827 in)
Overall length	32.50 mm (1.280 in)
Ballistic performance Bullet weight/type Velocity Energy 45 gr (3 g) Armor Piercing 1,574 ft/s (480 m/s) 247 ft·lbf (335 J)

The 5.8×21mm cartridge is a Chinese armor-piercing firearm cartridge.

Description

The cartridge was designed for replacements of 7.62×25mm Tokarev–chambered small arms for the People's Liberation Army that would offer 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 pistol and the QCW-05 Type 05 submachine gun are produced in this caliber as well as 9×19mm Parabellum.

The 5.8×21mm is slightly less powerful than similar Western rounds, like the 5.7×28mm and 4.6×30mm. It has a steel-cored 3 g (46 gr) bullet that has a muzzle velocity of 530 m/s (1,700 ft/s) and muzzle energy of 420 J (310 ft·lb) from a submachine gun barrel. The round can penetrate 1.3 mm (0.051 in) of helmet steel plate, and 50 mm (2.0 in) of pine wood behind it, out to 100 meters.

See also

• 4.38×30mm Libra
• 4.6×30mm
• 5.7×28mm
• 5.45×18mm
• 5 mm caliber