GR-8 Recoilless Rifle

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A recoilless rifle effective against vehicle armor. Includes support backpack required for reloading.

— Ship Management Terminal

The GR-8 Recoilless Rifle also known as the RR is a reloadable anti-tank support weapon that is well-suited for killing heavily armored enemies quickly and efficiently.

Stratagem Statistics

  • Call-in Time: 3 sec (7 sec in-game)
  • Uses: Unlimited
  • Cooldown Time: 480 Seconds (8 Minutes)

Detailed Weapon Statistics

GR-8 Recoilless Rifle
Cooldown 480 sec
Call-in Time 3 s
Capacity 1
Reload Time 6 s
Spare Rounds 5
Starting Rounds 5
Rounds from Supply 3
Rounds from Ammo Box 1
Grenade 85mm HEAT Projectile
Grenade 85mm HEAT Explosion
Grenade 85mm HEAT
Caliber 85 mm
Mass 3.3 kg
Initial Velocity 250 m/s
Drag Factor 30%
Gravity Factor 100%
Penetration Slowdown 25%
Standard 650
vs. Durable 650
Direct Armor AP6 Icon.png Heavy II
Slight Angle Armor AP6 Icon.png Heavy II
Large Angle Armor AP6 Icon.png Heavy II
Extreme Angle Armor AP3 Icon.png Medium I
Special Effects
Demolition Force 30
Stagger Force 50
Push Force 25
Grenade 85mm HEAT
Area of Effect
Inner Radius 1.5 m
Outer Radius 3 m
Shockwave Radius 6 m
Inner Radius 150
Outer Radius 149 - 0
Inner Radius Armor AP3 Icon.png Medium I
Outer Radius Armor AP2 Icon.png Light II
Shockwave Armor AP3 Icon.png Medium I
AoE Effect
Demolition Force 30
Stagger Force 50
Push Force 40

Tactical Information

  • The Recoilless Rifle has a capacity of 1 shell, and takes 5 seconds to reload, during which the Helldiver will kneel and be stationary until the reload is complete.
    • Unless the shooter has a squadmate carry the backpack for them, allowing reloads in just 2 seconds.
  • The backpack that accompanies this weapon holds 5 shells, giving the Helldiver who carries it a total of 6 shots before needing to find more ammo.
  • An Ammo box restores 1 shell to the backpack, while a Resupply box restores 3.
  • Two hits from the Recoilless Rifle will destroy a single Shrieker Nest tower or Spore Spewer, which means you will need 6 shots to finish off all 3 towers. This can be done from outside the spawn range of the Shriekers if line of sight can be established, making it much easier to deal with these objectives.
    • The Recoilless Rifle's projectile drop is an important factor when firing over long ranges, so be sure to aim slightly above the nest.
  • Most enemies will die to one shot from this weapon, but its limited ammo and lengthy reload time means a Helldiver should save them for only the toughest targets.
    • Brood Commanders will die to a single headshot, but a body shot is almost as good, because the explosion will severely damage their head, after which just a few headshots from any other weapon will finish them off.
    • Chargers will die in one headshot, a single shot to a leg will strip the armor, making the Charger's leg vulnerable to small arms fire. Hitting them in the side will blow off a large chunk of their armor and make it vulnerable as well, but isn't as effective as breaking their legs and is harder to aim at.
      • Charger Behemoths require 2 headshots to kill.
    • Dropships and Gunships can both be taken out by a single hit to a thruster.
    • Hulks will die to a single shot to the eye, or 2 shots to the body or rear heatsinks.
  • Bile Titans will die to 2 headshots to the forehead, and their side armor can be blown off to make them vulnerable to small arms fire.
  • Tanks and Cannon Turrets can be destroyed by 2 shots anywhere on the turret. Hitting the rear vents will not one-shot it.
  • Factory Striders can be destroyed by 2 shots to the eye or 2 to a single undercarriage door.
    • The miniguns can be taken out by 1 shot.
  • Closes Terminid Bug Holes by shooting them directly, and destroys Automaton Fabricators by shooting through their vents.
  • Like most other explosive weapons, the Recoilless Rifle can destroy the followings structures from a distance:
  • The Recoilless Rifle generates a significant backblast when fired. Operators should be mindful of their teammates (and vice versa) to avoid any mishaps that could result in injury.


Affected by:

The following Ship Modules affect the GR-8 Recoilless Rifle:

Department Ship Module Affect
Patriotic Administration Center Streamlined Request Process Stratagem cooldown is reduced from 8:00 to 7:10.


Change History




  • Fixed the Recoilless reload speed.


Undocumented Changes

  • Reload time increased from 6 seconds to 8 seconds. (Unintended)



  • Fixed bug where Recoilless Rifle would consume an extra shell from the backpack if the reload was canceled just after a shell was inserted, but before the reload was completed.
    • As a result, the third phase of the reload can now be cancelled early for a faster reload.
  • Explosive weapons no longer pull players inward from the blast.



  • Increased the number of rockets you restore from supply boxes from 2 to 3.