The DP-64 Nepryadva is a Russian special-purpose double-barreled over/under grenade launcher designed to protect surfaced submarines, ships, dockyards, water development works, and other coastal installations from combat swimmers and naval special forces. The weapon is breech-loading and operates much like a large

shotgun A shotgun (also known as a scattergun, or historically as a fowling piece) is a long gun, long-barreled firearm designed to shoot a straight-walled cartridge (firearms), cartridge known as a shotshell, which usually discharges numerous small p ...

with a side-break breech, utilizing both direct and indirect

iron sights Iron sights are a system of physical alignment markers (usually made of metallic material) used as a sighting device to assist the accurate aiming of ranged weapons (such as a firearm, airgun, crossbow or even compound bow), or less commonly ...

. The weapon is capable of firing grenades indirectly at ranges up to ; however, these grenades act much like small depth charges, attacking submerged swimmers like true depth charges attack submersibles. A large polymer stock and the barrels themselves makes up the bulk of the weapon. The barrels are selected by turning a lever accommodated above the trigger guard. A front pistol grip is equipped for support and is out of alignment with the rear grip and trigger mechanism, providing a more natural grip while firing indirectly. The butt is fitted with a springy rubber pad to diminish felt recoil. Direct fire sights are also provided for use from a helicopter allowing for large areas to be patrolled and protected from enemy combat swimmers. The grenade launcher was developed in 1989 and introduced in 1990. The DP-64 grenade launcher is now in serial production, said Pavel Sidorov, a representative of NPO

Bazalt NPO Bazalt (russian: НПО «Базальт») is a weapons manufacturing company in Russia that took over (or continued) the production of weapons such as the RPG-7 after the collapse of the Soviet Union. NPO Bazalt manufactures the RPG-7V2 ...

, the designer of the DP-64, at the 2015 International Defense Exhibition (IDEX) in Abu Dhabi. Sidorov said that the company received a large order from Russia's Defense Ministry for the weapons. Previously, the DP-64 has only been built in small numbers for the Russian coast guard, Federal Security Service, and a handful of marine units. Though large and somewhat unwieldy, the DP-64 serves an important role with few modern contemporaries in the small arms world.

Ammunition

Caliber In guns, particularly firearms, caliber (or calibre; sometimes abbreviated as "cal") is the specified nominal internal diameter of the gun barrel Gauge (firearms) , bore – regardless of how or where the bore is measured and whether the f ...

: * Overall length: * Projectile length: * Cartridge length: * Shell weight: * Cartridge type: Rimmed, Separating base *

Operating temperature An operating temperature is the allowable temperature range of the local ambient environment at which an electrical or mechanical device operates. The device will operate effectively within a specified temperature range which varies based on the de ...

: from to *FG-45 (ФГ-45) Fragmentation blast radius, to depth*SG-45 (СГ-45) Floating Flare (red) or ~50 seconds *UG-45 (УГ-45) HE/Concussion

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{{Multiple Barrel Firearms Grenade launchers Multiple-barrel firearms Grenade launchers of the Soviet Union Grenade launchers of Russia Bazalt products Military equipment introduced in the 1990s

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