PG-7V Rocket-Propelled Anti-Tank Grenade

1. Overview

The PG-7V is the original and most iconic anti-tank grenade developed for the legendary RPG-7 launcher system. Entering service in 1961, the PG-7V established the performance standard against which all subsequent RPG ammunition variants would be measured. This HEAT (High-Explosive Anti-Tank) round introduced a revolutionary two-stage propulsion system—an initial booster charge launching the round from the tube followed by a sustainer rocket motor—that dramatically increased range and velocity compared to earlier designs. The PG-7V and RPG-7 combination became one of the most prolific and influential weapon systems in modern warfare, equipping forces on virtually every continent and in every major conflict since the 1960s.

2. Country/Bloc of Origin

  • Primary Developer: Soviet Union
  • Development Period: 1958-1961
  • Design Bureau: GSKB-47 (later reorganized as NPO Bazalt)
  • Lead Designers: Warhead development team at Bazalt; launcher developed separately
  • Manufacturing: Mass production at Soviet state ammunition plants beginning 1961
  • International Production: Licensed production in China (Type 69), Egypt, Iran, Iraq, North Korea, Pakistan, Romania, Bulgaria, and numerous other nations
  • Global Proliferation: Estimated production exceeds 9 million launchers and hundreds of millions of rounds

3. Ordnance Class

  • Type: Rocket-propelled grenade (anti-tank)
  • Primary Role: Anti-armor weapon for infantry platoons and squads
  • Secondary Roles: Anti-fortification, anti-material, area suppression
  • Delivery Method: Shoulder-fired from RPG-7 series launchers
  • Warhead Type: HEAT (High-Explosive Anti-Tank) shaped charge
  • Category: Man-portable anti-tank weapon projectile

4. Ordnance Family / Nomenclature

  • Official Designation: PG-7V (ПГ-7В in Cyrillic)
  • Full Name: Protivotankovaya Granata-7V (Противотанковая Граната-7В)
  • GRAU Index: 7P2 (complete round)
  • Propellant/Booster Index: PG-7P
  • Associated Launcher: RPG-7 (Ruchnoy Protivotankovyy Granatomyot-7)
  • Chinese Designation: Type 69 anti-tank grenade
  • Egyptian Designation: PG-7 (local production)
  • Successor Variants:
    • PG-7VM: Improved production quality
    • PG-7VL: Larger 93mm warhead (~440mm penetration)
    • PG-7VR: Tandem warhead for ERA defeat
    • PG-7VS: Thermobaric variant
  • NATO Reporting: Generally uses Soviet designations

5. Hazards

Primary Hazards:

  • Shaped charge jet penetrates approximately 260-300mm of rolled homogeneous armor (RHA)
  • Blast overpressure lethal in confined spaces
  • Fragmentation from steel warhead body
  • Incendiary effects from jet/spall inside penetrated vehicles
  • Rocket motor backblast creates danger zone behind gunner

Sensitivity Considerations:

  • Piezoelectric fuze is impact-sensitive only after in-flight arming
  • Relatively insensitive to handling when fuze is capped and in safe configuration
  • Propellant is stable under normal storage conditions
  • Main explosive fill (RDX-based) is insensitive to shock, friction, and flame when properly manufactured

Environmental Factors:

  • Cold weather (below -40°C) can affect propellant burn rate and fuze function
  • Extreme heat accelerates propellant degradation
  • High humidity over extended periods compromises propellant and explosive stability
  • Exposure to petroleum products can damage rubber seals and propellant

UXO Considerations:

  • Estimated dud rate of 2-8% depending on target type and impact conditions
  • Oblique impacts (less than 30° angle) frequently result in duds
  • Soft targets (sand, mud, foliage, water) may not trigger fuze
  • Self-destruct failure in aged ammunition increases UXO hazard
  • All unexploded rounds must be treated as armed and extremely dangerous

Danger Zones:

  • Fragmentation lethal radius: approximately 15 meters
  • Casualty-producing radius: approximately 25 meters
  • Backblast danger zone (open terrain): 20 meters
  • Backblast danger zone (confined space): 40+ meters—firing from enclosed positions not recommended

6. Key Identification Features

Dimensions:

  • Overall Length: approximately 925mm (36.4 inches) including booster
  • Warhead Diameter: 85mm (3.35 inches)
  • Booster Section Diameter: 40mm (1.57 inches)
  • Warhead Length (nose to motor junction): approximately 330mm
  • Total Weight: approximately 2.25 kg (5.0 lbs)
  • Booster Charge Weight: approximately 0.2 kg

Physical Characteristics:

  • Classic ogive (pointed dome) warhead shape
  • Prominent standoff probe extending from nose
  • Four spring-loaded stabilizer fins (fold against body for storage/loading)
  • Cylindrical sustainer motor section
  • Cylindrical booster charge with copper driving band
  • Visible joint between warhead and motor sections

Color and Markings:

  • Standard olive drab (OD green) finish overall
  • Black or dark gray sustainer motor and booster sections
  • Yellow or white stenciled Cyrillic markings including:
    • “PG-7V” or “ПГ-7В” designation
    • Lot number (partiya)
    • Manufacturing date (month/year)
    • Factory code (numbered symbol)
  • Protective nose cap typically red, orange, or yellow
  • Colored bands may indicate specific lots or explosive variants
  • Chinese Type 69: Similar markings in Chinese characters

Distinctive Features:

  • Readily identifiable silhouette recognized worldwide
  • 85mm warhead diameter (between 70mm PG-7L and 93mm PG-7VL)
  • Standoff probe approximately 70mm in length
  • Nozzle of sustainer motor visible at warhead/motor junction
  • Copper driving band on booster section

7. Fuzing Mechanisms

Primary Fuze:

  • Type: VP-7 piezoelectric impact fuze
  • Location: Nose of warhead, behind standoff probe
  • Principle: Impact compresses piezoelectric crystal, generating electrical current

Arming Sequence:

  1. Protective nose cap removed; round loaded into RPG-7 launcher
  2. Trigger pulled; hammer strikes booster primer
  3. Booster charge ignites, propelling round from tube at ~120 m/s
  4. Setback acceleration releases primary mechanical safety
  5. Stabilizer fins deploy as round exits muzzle
  6. Fin deployment confirms round separation from launcher
  7. Sustainer motor ignites at approximately 11 meters from muzzle
  8. Centrifugal safety releases as fins induce spin stabilization
  9. Fuze fully armed at 5-18 meters from muzzle
  10. Round achieves maximum velocity (~300 m/s) and is fully impact-sensitive

Safety Mechanisms:

  • Mechanical setback safety: requires launch acceleration to release
  • Centrifugal safety: requires fin-induced spin to release
  • Bore safety: prevents detonation inside launcher tube
  • Protective cap: shields fuze from accidental impact during handling

Detonation Process:

  1. Standoff probe contacts target surface
  2. Impact decelerates warhead, compressing piezoelectric element
  3. Electrical pulse generated (instantaneous)
  4. Current initiates detonator
  5. Detonator fires booster charge
  6. Booster detonates main explosive fill (composition A-IX-1 or similar)
  7. Explosive collapses copper liner at ~8,000 m/s forming penetrating jet

Self-Destruct Mechanism:

  • Pyrotechnic delay element initiates at approximately 4.5 seconds post-launch
  • Corresponds to approximately 920 meters of flight
  • Destroys warhead whether target is struck or not
  • Reduces UXO hazard from missed shots

8. History of Development and Use

Development Background: Following World War II, Soviet forces recognized the need for a more capable successor to the RPG-2 system. While the RPG-2 was effective, its limited range (100-150 meters) left infantrymen dangerously exposed when engaging tanks. The solution was a new system with dramatically extended range provided by a two-stage propulsion system.

Design Philosophy: The PG-7V incorporated lessons from both the German Panzerfaust (disposable simplicity), American Bazooka (rocket propulsion), and Soviet RPG-2 (launcher reusability). The innovative two-stage propulsion—booster for tube exit, sustainer for velocity—allowed a compact launch signature with extended effective range.

Timeline:

  • 1958: Development begins at GSKB-47
  • 1960: Prototype testing completed
  • 1961: PG-7V and RPG-7 system officially adopted by Soviet Army
  • 1962-1965: Mass production begins; distribution to Soviet units
  • 1965-1970: Export to Warsaw Pact allies and client states worldwide
  • 1967: Combat debut in Six-Day War (Arab-Israeli conflict)
  • 1968-Present: Continuous combat use in virtually every major conflict

Combat History:

  • Vietnam War (1965-1975): First large-scale use; devastating against US armor and helicopters
  • Arab-Israeli Wars (1967-1973): Extensive use by Egyptian and Syrian forces
  • Soviet-Afghan War (1979-1989): Used by both Soviet forces and Mujahideen
  • Iran-Iraq War (1980-1988): Massive employment by both sides
  • Gulf War (1991): Iraqi use against Coalition forces
  • Balkans (1991-1999): All factions employed RPG-7 systems
  • Global War on Terror (2001-Present): Primary threat weapon in Iraq and Afghanistan
  • Russo-Ukrainian War (2022-Present): Continues in frontline service

Cultural Impact: The PG-7V/RPG-7 became the defining image of asymmetric warfare. Its silhouette is globally recognized and has appeared in countless films, photographs, and news coverage. The system demonstrated that infantry equipped with simple, inexpensive weapons could threaten the most sophisticated armored vehicles.

Production Numbers: Conservative estimates suggest over 9 million RPG-7 launchers and hundreds of millions of PG-7V/variant rounds have been manufactured. The system remains in production in multiple countries and will continue to see combat use for decades.

9. Technical Specifications

SpecificationValue
Caliber (Warhead)85mm
Caliber (Booster)40mm
Overall Length~925mm
Weight (Complete Round)~2.25 kg
Warhead Weight~1.8 kg
Explosive FillA-IX-1 (RDX/wax mixture)
Explosive Weight~0.65 kg
Armor Penetration260-300mm RHA at 0°
Concrete Penetration~1.5 meters
Muzzle Velocity (booster burnout)~120 m/s
Maximum Velocity (post-sustainer)~300 m/s
Effective Range (moving target)300 meters
Effective Range (stationary target)500 meters
Maximum Range (self-destruct)~920 meters
Minimum Arming Distance5-18 meters
Operating Temperature-40°C to +50°C
Shaped Charge LinerCopper (precision-formed cone)
Shelf Life10+ years (proper storage)

10. Frequently Asked Questions

Q: Why did the PG-7V/RPG-7 system become so successful and widespread? A: Several factors contributed to its dominance: simple, robust design requiring minimal maintenance; ease of manufacture allowing mass production; straightforward operation trainable in hours; effective performance against most armored vehicles of its era; low cost per round; reusable launcher economics; and aggressive Soviet export policies. The system achieved the ideal balance of capability, simplicity, and cost that made it accessible to virtually any military or irregular force.

Q: What is the practical hit probability with the PG-7V at various ranges? A: Against a 2.3m x 2.3m target (approximate tank silhouette), skilled operators achieve: 100 meters—90%+; 200 meters—70-80%; 300 meters—50-60%; 400 meters—30-40%; 500 meters—15-25%. These figures assume a stationary target, trained gunner, stable position, and minimal wind. Moving targets, crosswind, and combat stress significantly reduce accuracy. Beyond 300 meters, hits become increasingly dependent on luck.

Q: How does the two-stage propulsion system work? A: The first stage (booster) is a small powder charge that propels the round from the launcher tube at approximately 120 m/s. This relatively low velocity is safe for the gunner and produces minimal launch signature. After exiting the tube and traveling approximately 11 meters, the sustainer rocket motor ignites, accelerating the round to approximately 300 m/s. This staged approach allows the round to achieve high velocity while keeping backblast manageable.

Q: Can the PG-7V penetrate modern tank armor? A: Modern main battle tanks with composite armor, explosive reactive armor (ERA), and active protection systems are generally proof against the PG-7V’s 260-300mm penetration in frontal and most side aspects. However, the round remains capable of mobility kills (tracks, wheels), firepower kills (optics, weapons), and penetration of less-protected areas (top, rear, engine decks). Against lighter vehicles (APCs, IFVs, trucks), the PG-7V remains fully lethal.

Q: What happens if the round impacts within the minimum arming distance? A: If the round strikes a target before the fuze completes arming (typically 5-18 meters), the piezoelectric fuze will likely fail to detonate the warhead. The round may impact with enough force to cause damage from kinetic energy alone, but the shaped charge will not function. The resulting dud is extremely dangerous as the fuze may be in a partially armed state. This is one reason minimum engagement distances are emphasized in training.

Q: How should unexploded PG-7V rounds be handled? A: They should not be handled at all by unqualified personnel. Establish a minimum 300-meter exclusion zone, evacuate all personnel, mark the location if safe to do so, and notify military EOD or appropriate demining authorities immediately. Unexploded rounds may have fully armed fuzes that can detonate from minimal disturbance. Never attempt to move, disarm, or render safe any suspected UXO.

Q: What is the difference between the PG-7V, PG-7VM, and PG-7VL? A: The PG-7V is the original 85mm round with ~300mm penetration. The PG-7VM is an improved production variant with tighter manufacturing tolerances and marginally better consistency, but identical specifications. The PG-7VL features a larger 93mm warhead with significantly improved penetration (~440mm RHA), addressing the need to defeat improved armor. All three are compatible with standard RPG-7 launchers.

Q: Why does the PG-7V have a standoff probe? A: Shaped charges require an optimal standoff distance to achieve maximum penetration. The copper liner must travel a certain distance after explosive detonation to fully collapse and form the penetrating jet. If the warhead detonates too close to the target (inadequate standoff), the jet does not fully form. If too far, the jet begins to break up before impact. The probe length is calculated to trigger fuze detonation at the ideal distance from the target surface.

This document is intended for educational and training purposes in ordnance identification and safety. All ordnance should be considered dangerous until rendered safe by qualified EOD personnel. Never handle suspected unexploded ordnance.