5.8×21mm

5.8×21mm DAP92
TypeHandgun, submachine gun
Place of originChina
Service history
Used byChina
Production history
Designed1994
ManufacturerNorinco
Specifications
Case typeRimless, bottleneck
Bullet diameter6.00 mm (0.236 in)
Neck diameter6.57 mm (0.259 in)
Shoulder diameter7.77 mm (0.306 in)
Base diameter7.95 mm (0.313 in)
Rim diameter7.97 mm (0.314 in)
Rim thickness1.13 mm (0.044 in)
Case length21.00 mm (0.827 in)
Overall length32.50 mm (1.280 in)
Ballistic performance
Bullet mass/type Velocity Energy
46 gr (3 g) armor piercing* 479 m/s (1,570 ft/s) 335 J (247 ft⋅lbf)
46 gr (3 g) armor piercing** 518 m/s (1,700 ft/s) 420 J (310 ft⋅lbf)
Test barrel length: Pistol* and submachine gun**

The 5.8×21mm DAP92 (Chinese: DAP92式5.8毫米普通弹; pinyin: 92 shì 5.8 háo mǐ pǔ tōng dàn, lit.'Type 92 5.8mm standard cartridge') is a Chinese rimless, bottlenecked, centerfire cartridge designed as an armor-piercing PDW ammunition for handguns and submachine guns.