| 9x21mm | ||
|---|---|---|
| Type | Pistol | |
| Place of origin | Russia | |
| Service history | ||
| Used by | FSB Russian Army |
|
| Production history | ||
| Designer | TsNIITochMash | |
| Produced | 1990s to the present | |
| Variants |
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| Specifications | ||
| Case type | Straight walled, rimless | |
| Bullet diameter | 9 mm (0.35 in) | |
| Case length | 21 mm (0.83 in) | |
| Overall length | 33 mm (1.3 in) | |
| Ballistic performance | ||
| Bullet weight/type | Velocity | Energy |
| 6.7 g (103 gr) 7N28 | 410 m/s (1,300 ft/s) | 563 J (415 ft·lbf) |
| 7.9 g (122 gr) 7N29 | 390 m/s (1,300 ft/s) | 601 J (443 ft·lbf) |
| 7.2 g (111 gr) 7BTZ | 395 m/s (1,300 ft/s) | 562 J (415 ft·lbf) |
| Source(s): Modern Firearms | ||
The 9x21mm Gyurza (Гюрза, Russian for "blunt-nosed viper") round is a Russian handgun round designed to defeat body armor that was developed by TsNIITochMash for its SR-1 Vector semi-automatic pistol and SR-2 Veresk submachine gun.
Contents |
SP-10 (7N29) - armor piercing bullet with hardened steel core[1]
SP-11 (7N28) - standard FMJ bullet with lead core
SP-12 - low ricocheting, expanding bullet[2]
SP-13 (7BTZ) - tracer AP bullet based on 7N29
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