RKG-3 anti-tank grenade

RKG-3 series
TypeAnti-tank grenade
Place of originSoviet Union
Service history
In service1950–present
Used bySee users
Wars
Specifications
Mass1.07 kg (2.4 lb)
Length362 mm (14.3 in)

Effective firing range15–20 m (49–66 ft)
FillingTNT/RDX with a steel lined shaped charge with 220 mm penetration of RHA.
Filling weight567 g (20.0 oz)
Detonation
mechanism
Impact fuse
RKG-3E grenades including one grenade cutaway in (DOSAAF Museum, Minsk)

RKG-3 (Ruchnaya Kumulyativnaya Granata-3) is a series of Soviet anti-tank hand grenades. It superseded the RPG-43, RPG-40 and RPG-6 series, entering service in 1950. It was widely used in the 1973 Arab–Israeli War and remained a common weapon into the 2000s and early 2010s, being favoured by Iraqi insurgents during the American-led occupation. Modified versions of the RKG-3 series have also emerged in the Russian invasion of Ukraine.

Design

RKG stands for Ruchnaya Kumulyativnaya Granata ("handheld shaped-charge grenade"). The grenade has an odd strap-like lever (or "spoon") that covers the base of the handle and runs up each side of the handle. When the pin is pulled, the "spoon" falls away, and when the grenade is thrown a spring deploys a four-panelled drogue parachute. This parachute stabilizes the grenade in flight and ensures that the grenade strikes the target at a 90-degree angle, maximising the effect of the shaped charge. Realistic accurate throw ranges are within 15 to 25 metres (50 to 80 ft). The lethality radius is within two metres (6.6 ft) due to concussion and fragmentation. The casualty radius is within 20 metres (66 ft) and the danger space from fragmentation is within 50 metres (160 ft).

The fuze in the handle activates the grenade. When the parachute deploys, its ejection throws a weight to the rear of the handle and disables the safety. When it impacts or stops, inertia causes the weight to fly forward and hit the spring-loaded firing pin, which activates the primer detonator in the base. This sets off the booster charge in the base of the shaped charge, detonating and enhancing the main charge. The sensitive fuze guarantees that the grenade will detonate if it impacts any target.

Armour penetration depends on the model. The original RKG-3 used a basic shaped charge with a steel liner and could penetrate 12.5 centimetres (5 in) against Rolled Homogeneous Armor (RHA). The RKG-3M used a copper-lined shaped-charge warhead and had a penetration of 165 mm; the RKG-3T had an improved copper liner that had a penetration of 170 mm. The RKG-3EM has a larger warhead and boasts a penetration of 220 millimetres (8.7 in).

History

The RKG-3 was adopted into Soviet service in 1950, it was replaced by the disposable RPG-18 rocket launcher in 1972,[2] but it saw limited use during the Soviet–Afghan War, mostly for demolishing buildings and destroying enemy equipment.[3]

Other countries made ample use of the RKG-3 series: Viet Cong sappers made use of RKG-3 grenades against bunkers and other fortified positions during the Vietnam War.[4] According to Rottman, these grenades could penetrate almost 1.8 m (6 ft) of hard soil.[2] During the Arab–Israeli conflict, both Egypt and Syria were supplied with RKG-3s, with the former receiving assistance to produce them locally.[5][6] Both RKG-3 and RKG-3M grenades were used by Chechen forces against the Russians during the First Chechen War.[7][8]

Iraq War

During the Iraq War, the Iraqi insurgency made widespread use of RKG-3 grenades which replaced improvised explosive devices.[9] Their main targets were American Humvees,[10][11] Strykers and MRAPs.[12][13]

Insurgents carrying concealed grenades would get close as possible to Coalition vehicles and barricades and throw them in two or three volleys before quickly disappearing amongst the civilian population, though Shea has noted that some of the attackers were killed by standing too close to the fragmentation radius of their own grenades.[9][14]

Russo-Ukrainian War

The RKG-3EM saw limited use during the early stages of the Donbas War with some non-modernized Ukrainian units.[15]

During the Russian invasion of Ukraine, the Aerorozvidka unit of the Ukrainian military in coordination with PJSC Mayak converted the grenade into drone-dropped bomblets,[16] eventually designated as the RKG 1600 by changing the fuze timing and adding 3D printed fins to stabilise its trajectory when dropped from a commercial drone.[17] The Baba Yaga drones can carry up to three grenades, which can penetrate the top armor of all Russian main battle tanks.[18] The estimated total cost per bomblet is "less than $100".[8]

Models

  • RKG-3 − Original version capable of penetrating 125 mm (4.9 in) of RHA,[19] while Rottman gives a figure of 150 mm (5.9 in) of RHA[2]
  • RKG-3M − Improved version with a slightly larger warhead and the steel liner replaced with a copper cone. Penetration increased to 165 mm (6.5 in) of RHA[19]
  • RKG-3E − Improved model.[20] Penetration is increased to 170 mm (6.7 in) of RHA,[2] also known as the RKG-T by some sources[19]
  • RKG-3EM − Improved model capable of penetrating 220 mm (8.7 in) of RHA[2]
The RKG-1600 bombing test via R18 drone in "Shyrokyi Lan" range, Ukraine, 2020
  • RKG-1600 − Ukrainian adaptation with 3D printed stabilization fins, used on Baba Yaga bomber drones[18]
  • UPG-8 − A practice grenade, it has a black body with white markings.[19] The warhead have two holes to vent the smoke generated by the simulation fuze if the grenade hits soft soil. All the components except the fuze can be reused multiple times.[21] A new fuze and parachute can be quickly reloaded in the handle after use by using special armorer tools.[22]
  • M79 − Yugoslav copy of the RKG-3,[19] it has a filling of 400 g (14 oz) Hexolite, effective throwing range of 25 m (27 yd), and is capable of penetrating 220 mm (8.7 in) of RHA.[1] Currently produced in Serbia, while Bosnia produces it under the designation RKB-M79[14]
  • Type 3 − Simplified Chinese copy[2]

Users

Non-state

See also

References

  1. ^ a b c Hogg 1992, p. 610.
  2. ^ a b c d e f Rottman 2015, p. 147.
  3. ^ Russian General Staff 2002, pp. 40−41.
  4. ^ a b Zabecki 2011, p. 451.
  5. ^ a b Shazly 1980, p. 113.
  6. ^ a b Campbell 2016, p. 75.
  7. ^ a b Galeotti 2014, pp. 40–42.
  8. ^ a b c "How Ukraine Uses Obsolete Soviet Grenades To Destroy Russian Tanks From Above". Radio Free Europe/Radio Liberty. 5 May 2022. Archived from the original on 31 March 2023. Retrieved 31 January 2024.
  9. ^ a b c Tollefson 2017, p. 94.
  10. ^ Video of RKG-3 Near Miss on Stryker
  11. ^ Be the Hunter, not The Hunted Archived 2017-01-25 at the Wayback Machine
  12. ^ Ismay, John (17 October 2013). "Insight Into How Insurgents Fought in Iraq". The New York Times. Archived from the original on 12 April 2023. Retrieved 7 April 2017.
  13. ^ Hernandez, Chris (19 September 2018). "The Russki RKG-3 Anti-Tank Hammer | WCW". Breach Bang Clear. Archived from the original on 12 June 2022. Retrieved 13 April 2023.
  14. ^ a b c d Shea, Dan (19 September 2022). "RKG-3 Hand-Thrown Grenades". Small Arms Defense Journal. Henderson, Nevada: Chipotle Publishing, LLC. Retrieved 3 August 2025.
  15. ^ a b Galeotti 2019, p. 42.
  16. ^ "Завод "Маяк" та "Аеророзвідка" випробували ударний дрон на навчаннях ЗСУ (фото)" ["Mayak" and "Aerorozvidka" plants tested an attack drone at the exercises of the Armed Forces of Ukraine (photos)]. defence-ua.com (in Ukrainian). Archived from the original on 31 March 2023. Retrieved 3 April 2022.
  17. ^ "CAT-UXO RKG 1600". cat-uxo.com. Archived from the original on 7 October 2022. Retrieved 15 April 2022.
  18. ^ a b c Neville 2025, p. 192.
  19. ^ a b c d e f Jones & Ness 2010, p. 757.
  20. ^ Blazey 1998, p. 73.
  21. ^ Blazey 1998, pp. 92−95.
  22. ^ Blazey 1998, p. 97.
  23. ^ Hobart 1974, p. 823.
  24. ^ Hobart 1974, p. 826.
  25. ^ Hobart 1974, p. 830.
  26. ^ Hobart 1974, p. 831.
  27. ^ Hobart 1974, p. 833.
  28. ^ Hobart 1974, p. 835.
  29. ^ a b Hobart 1974, p. 840.
  30. ^ Hobart 1974, p. 845.

Bibliography

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