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Synth Charge is a set mod that grants bonus damage to the final shot in the magazine.


Rank Bonus Damage Cost
0 +50% 6
1 +100% 7
2 +150% 8
3 +200% 9

Set Bonus[]

This mod is part of a set, whose set bonus increases with each additional mod equipped from that set.

Synth Set: Any primary or secondary weapon will automatically reload X% of their magazine (using reserve ammo) per second while holstered.

Mods Equipped Percentage Reloaded
1 5%
2 10%
3 15%
4 20%


  • Does not trigger on any pistol with less than 6 max rounds in the magazine.
    • Magazine requirement is based on the base magazine of a gun. If the magazine is increased above 6 on a weapon that has below 6, it will still not be usable on that gun. However, if a gun has a magazine above 6 and it is reduced below that, the mod will still function.
  • Damage stacks multiplicatively with Mod TT 20px.png Hornet Strike.
  • Damage of radial attack on weapons with AOE will be increased as well on the final shot.
  • If used with the 3 knife spread alt fire of Fusilai.png Fusilai, all three knives will be affected by the multiplier.
  • If DualToxocyst.png Dual Toxocyst's last shot is a headshot, the subsequent 'free' shots will all be affected by the mod until the buff is lost.
  • With the set bonus, you can swap back and forth to re-fire the gun with one shot.
  • If you're knocked down, your weapon is forced into its holster and begins automatically reloading.
  • Has no effect on beam weapons.
  • It pairs well with Catabolyst.png Catabolyst since the bonus damage is applied to the reload grenade.
  • The alt fire of the Azima.png Azima always counts as expending the last shot in the magazine; thus, the bonus damage always applies to it.
  • Has no effect on Laetum.png Laetum's Incarnon Mode if activated with one bullet left in the primary mode's magazine.


  • Synth Charge cannot be equipped on the following weapons despite them meeting the magazine requirements;
    • Pyrana.png Pyrana (10 rounds) or PyranaPrime.png Pyrana Prime (12 rounds), though this might be related to the Pyrana orginally holding 5 rounds from Update 13.6 (2014-06-04) to Update 21.0 (2017-06-29);
    • KuvaBrakk.png Kuva Brakk (11 rounds), though this might be related to the original Brakk.png Brakk only holding 5 rounds;
    • ZaktiPrime.png Zakti Prime (8 rounds), though this might be related to the original Zakti.png Zakti only holding 3 rounds; and
    • TenetDetron.png Tenet Detron (6 rounds), though this might be related to the original Detron.png Detron only holding 5 rounds, however the MaraDetron.png Mara Detron has 8 rounds and can equip Synth Charge normally.
  • Synth Charge can be equipped on the Kulstar.png Kulstar, despite having a magazine capacity of 3.

Patch History[]

Hotfix 31.5.5 (2022-05-03)

  • Fixed Synth Charge’s effects applying to the Laetum’s Incarnon Transmutation by 200% for the full duration if you transmute it with only one bullet left in the magazine.

Hotfix 30.5.3 (2021-07-09)

  • Fixed the Synth Mod Set bonus not functioning while on a K-Drive/Merulina.

Update 30.5 (2021-07-06)

  • Fixed Synth Set mods reverting to a single mod bonus after death.

Hotfix 30.0.6 (2021-04-20)

  • Fixed ability to equip the Synth Charge Mod to Epitaph.
    • Epitaph does not meet the magazine size requirement for Synth Charge.

Hotfix 24.0.1 (2018-11-08)

  • Synth Charge Mod no longer applies to Pistols with < 5 Ammo Magazines (Knell, etc). Mod description has been updated to reflect the ‘Requires Magazine 5 or higher’ restriction.

Update 24.0 (2018-11-08)

  • Introduced.