9 × 21 mm - Russian central-ignition pistol cartridge with a flangeless cylindrical sleeve with a small taper, created at the Central Research Institute of Precision Engineering , Klimovsk , Russia . Designed for effective destruction of targets protected by personal protective equipment ( helmets , body armor , etc.). The cartridge itself and some pistols for it were developed as part of the R & D of the Grach competition for a new pistol for the Russian Armed Forces .
| 9 × 21 mm | |
|---|---|
 9 mm cartridge WG 054 | |
| Type of cartridge | pistol |
| Producing country |  Russia |
| Service history | |
| Used | FSB Russian Armed Forces FSO |
| Production history | |
| Constructor | TsNIItochmash |
| Time of creation | 1992-1995 |
| Years of production | since 1992 |
| Options | 7H29 (SP10) |
| Specifications | |
| Chuck length, mm | 32.7 |
| This bullet caliber , mm | 9.05 |
| Bullet weight, g | 6.7 |
| Initial speed of a bullet , m / s | 410 |
| Bullet Energy , J | 635 |
| Liner parameters | |
| Liner shape | light cone |
| Sleeve length, mm | 20.9 |
| The diameter of the cartridge sleeve, mm | 9.6 |
| The diameter of the base of the sleeve, mm | 9.9 |
| The diameter of the flange of the sleeve , mm | 9.9 |
Content
Ammunition Nomenclature
| Designation | Bullet weight, grams | Initial speed, m / s | The initial energy of the bullet, J | Notes |
|---|---|---|---|---|
| WG052 | 6.5—7 | 415-420 | 635-640 | the first version of 1992 with a cast-iron armor-piercing bullet |
| WG054 | 6.7 | 420 | 640 | second version with stamped core, later renamed SP10 |
| SP10 ( 7H29 ) | 6.7 | 410 | 635 | 1995 version with armor piercing bullet |
| SP11 ( 7H28 ) | 7.9 | 390-400 | 635 | with a sheath low bite bullet |
| SP12 | 6.7 | 400-425 | 600 | with expansive bullet |
| SP13 ( 7BTZ ) | 7.2 | 395-400 | 635 | with armor piercing tracer bullet |
| SP10U | no data | no data | no data | training |
| SP10UZ | no data | no data | no data | heavily charged |
The bullet of the SP10 armor-piercing cartridge consists of a steel heat-strengthened sub-caliber core, a polyethylene jacket and a steel tampon-clad steel shell.
Weapons chambered for 9 × 21 mm
- CP-1
- CP-2
- Boa
See also
- 9 × 19 mm Parabellum
- .45 ACP
- 7.62 × 25 mm TT
- .38 Super
- 9 × 21 mm IMI