Russian munition
9×30mm Grom |
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Place of origin | Russia |
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Production history |
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Designed | 1992–1993 |
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Specifications |
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Parent case | 9x19mm |
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Case type | Rimless, tapered |
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Bullet diameter | 9.02–9.27 mm (0.355–0.365 in) |
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Land diameter | 8.82 mm (0.347 in)value from 9x19mm |
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Neck diameter | 9.65 mm (0.380 in)value from 9x19mm |
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Base diameter | 9.93 mm (0.391 in)value from 9x19mm |
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Rim diameter | 9.96 mm (0.392 in)value from 9x19mm |
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Rim thickness | 1.27 mm (0.050 in)value from 9x19mm |
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Case length | 30.05–30.20 mm (1.183–1.189 in) |
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Overall length | 40.8–41.1 mm (1.61–1.62 in) |
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Case capacity | 1.43cm3, with bullet inserted 1.11cm3 |
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Maximum pressure | 260 MPa (38,000 psi) |
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Filling weight | 0.88- 1.05 g |
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Ballistic performance |
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Bullet mass/type | Velocity | Energy | 6.42–6.55 g (99–101 gr) Standard | 600–610 m/s (2,000–2,000 ft/s) | 1,155.6–1,218.6 J (852.3–898.8 ft⋅lbf) | 6.70–6.74 g (103–104 gr) Armor piercing | 590–600 m/s (1,900–2,000 ft/s) | 1,166.1–1,213.2 J (860.1–894.8 ft⋅lbf) | |
Test barrel length: Gepard (submachine gun) Source(s): [1] |
The 9×30mm Grom (Гром. , Russian for Thunder) is a Russian round developed between 1992 and 1993, designed for the Gepard (submachine gun), it answers the need to defeat 1B2 body armor at a range of 100 meters. [2][1]
Development
A regular and an armor piercing variant were designed, the non-armor piercing bullet taken from the 9×19mm Parabellum and the armor piercing bullet was taken from the RG054 cartridge, it has a black painted tip.[1]
The case is a stretched 9x19mm case, manufactured from phosphate varnished steel. The propellants used are pyroxylin and smokeless powder consisting of spherical ellipsoids which measure from 0.45-0.75mm, resulting in powder density of 0.95g/cm3.[1]
See also
- 9×23mm Winchester
- 9×25mm Mauser
- 9mm Winchester Magnum
- 9×25mm Dillon – shorter but wider 9mm bottlenecked cartridge with the same capacity
- .357 Magnum – similar rimmed cartridge
References
- ^ a b c d "ПРОМЕЖУТОЧНЫЙ ПАТРОН «ГРОМ» С ПУЛЕЙ СО СТАЛЬНЫМ СЕРДЕЧНИКОМ (РОССИЯ)".
- ^ "ПАТРОН 9x30 мм «ГРОМ»". Archived from the original on 2023-09-09.
Cartridges derived from the 7.65×25mm Borchardt or its derivatives
First generation | |
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Second generation | Based on 7.63×25mm Mauser | |
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Based on 7.65×21mm Parabellum | |
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Third generation | Based on 9×19mm Parabellum | |
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Based on 7.62x25mm Tokarev | |
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Fourth generation | Based on 9×18mm Ultra | |
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Based on 9×21mm | |
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Related | |
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