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.

The 9×39mm is a Soviet rifle cartridge. [2] . The cartridge yields increased performance in shorter barrels and effective subsonic performance. The 9×39 is based on the Soviet 7.62×39mm case but with the neck expanded to fit a 9.2mm bullet.

Aug 15, 2019 · To adapt the weapon for shooting with a powerful caliber 9X30mm GROM, the cartridge chamber is replaced. Special tools are not needed for the exchange and the whole operation takes about a minute. Cheetah is based on one principle of operation, as it is in conventional weapons.

9x30mm GROM (THUNDER) Little is known of the recently announced 9x30mm cartridge other than the fact that it is used in the new Gepard submachine gun. The Grom's bullet leaves the muzzle of the weapon at appreciably higher velocity than its …

Caliber(s):.380 ACP, 9x18 Makarov, 9x19 Parabellum, 9x19 7N31, 9x21 SP-10, 9x30 Grom; Weight: 4.4 lbs (2 kg) Length: 16.5 in (42.0 cm) Barrel length: 9.3 in (23.5 cm) Capacity: 22 or 40; Fire Modes: Safe/Semi-Auto/Full-Auto (ROF 600-700)

Developed from the AKS-74U, the Gepard has a 65% parts commonality; it can use the .380 ACP, 9×18mm Makarov, 9×19mm Parabellum, 9×19mm 7N21, 9×21mm and 9×21mm Gyurza without a change and can use the 9×30mm Grom cartridge with a chamber replacement.

Sep 22, 2021 · Caliber (s): .380 ACP, 9x18 Makarov, 9x19 Parabellum, 9x19 7N31, 9x21 SP-10, 9x30 Grom. Weight: 4.4 lbs (2 kg) Length: 16.5 in (42.0 cm) Barrel length: 9.3 in (23.5 cm) Capacity: 22 or 40. Fire Modes: Safe/Semi-Auto/Full-Auto (ROF 600-700. The Gepard PDW (Russian for Cheetah) is an experimental weapon, based on the AKS-74U.

Jul 21, 2019 · If I recall correctly, 9x30mm Grom utilizes bullets from the 9x21mm Gyurza and 9x19mm Luger cartridges, but propels them with about 40% higher muzzle velocity (about twice the muzzle energy). As a PDW, it can also probably be classified as a "heavy submachine gun" due to its usage of what's essentially a magnum pistol cartridge.

Izhevsk Machinebuilding Plant or Izhmash is one of the two Russian weapon manufacturer companies from the city of Izhevsk, with the other being Izhmekh. Izhmash is mostly known for manufacturing the Kalashnikov series rifles. They also manufacture other non-gun products, like automobiles, knives and other tools.

The 9×30mm Grom (Гром. , language 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.