RPG-40

The RPG-40 was an anti-tank hand grenade developed by the Soviet Union in 1940.wikipedia
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RPG-43

RPG-43 anti-tank grenade
This made the grenade very effective against earlier German tanks, but ineffective against later models, such as the Panzer IV and the Panzer V, leading to the RPG-43 replacing it in 1943.
It entered service in 1943, replacing the earlier models RPG-40 and RPG-41.

Grenade

hand grenadegrenadeshand grenades
The RPG-40 was an anti-tank hand grenade developed by the Soviet Union in 1940.
Designs such as the German Panzerwurfmine (L) and the Soviet RPG-43, RPG-40, RPG-6 and RKG-3 series of grenades used a High Explosive Anti-Tank (HEAT) shaped charge warhead using a cone-shaped cavity on one end and some method to stabilize flight and increase the probability of right angle impact for the shaped charge's metal stream to effectively penetrate the tank armor.

Soviet Union

SovietUSSRSoviets
The RPG-40 was an anti-tank hand grenade developed by the Soviet Union in 1940.

Spall

spallingspallsspall liner
This enabled about 20 mm of armour to be penetrated and caused secondary damage, such as spalling, on contact with thicker armour.

Wehrmacht

German ArmyGermanGerman forces
This made the grenade very effective against earlier German tanks, but ineffective against later models, such as the Panzer IV and the Panzer V, leading to the RPG-43 replacing it in 1943.

Panzer IV

IVPanzerkampfwagen IVPzKpfw IV
This made the grenade very effective against earlier German tanks, but ineffective against later models, such as the Panzer IV and the Panzer V, leading to the RPG-43 replacing it in 1943.

Panther tank

PantherPanthersPanzer V
This made the grenade very effective against earlier German tanks, but ineffective against later models, such as the Panzer IV and the Panzer V, leading to the RPG-43 replacing it in 1943.

List of modern Russian small arms and light weapons

List of Russian weaponryList of modern Russian small armsRussian

Anti-tank warfare

anti-tankanti-tank weaponanti-armor

TNT

RKG-3 anti-tank grenade

RKG-3RKG anti-tank grenades
It superseded the RPG-43, RPG-40 and RPG-6 series of grenades.

Rocket-propelled grenade

RPGrocket propelled grenadeRPGs
Initial attempts to put such weapons in the hands of the infantry resulted in weapons like the Soviet RPG-40 "blast effect" hand grenade (where "RPG" stood for ruchnaya protivotankovaya granata, meaning hand-held anti-tank grenade).

Panfilov's 28 Men

28 panfilovtsev28 Panfilovcev
Though armed only with standard issue Mosin-Nagant infantry rifles and DP and PM-M1910 machine guns, all useless against tanks, and with wholly inadequate RPG-40 anti-tank grenades and PTRD-41 anti-tank rifles, they fight tirelessly and defiantly, with uncommon bravery and unwavering dedication, to protect Moscow and their Motherland.

Anti-tank grenade

grenadeanti-tank hand grenadeanti-tank hand grenades
In 1940, they developed a crude anti-tank grenade that used the simple blast effect of a large high explosive charge, designated RPG-40, which was stabilized in flight by a ribbon released after it was thrown.

List of common World War II infantry weapons

List of World War II firearmsList of common World War II weaponsWorld War II weapons