9x21mm | ||
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Type | Pistol | |
Place of origin | Russia | |
Service history | ||
Used by | FSB Russian Army |
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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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