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Heavy Caliber is a mod that increases damage of Primary Weapons (excluding Shotguns) at the cost of increased spread (reducing accuracy). Some weapons will have additional spread added, in addition to the base amount.

Stats[]

Rank Damage Spread Cost
0 +15% +0.27 6
1 +30% +0.54 7
2 +45% +0.81 8
3 +60% +1.08 9
4 +75% +1.35 10
5 +90% +1.62 11
6 +105% +1.89 12
7 +120% +2.16 13
8 +135% +2.43 14
9 +150% +2.70 15
10 +165% +2.97 16
Additional Spread Modifiers
Weapon Rank 0 Additional Spread Rank 10 Additional Spread
Dera Dera (DeraVandal Vandal) +0.9 +9.9
Ferrox Ferrox (TenetFerrox Tenet) +1 +11
FluxRifle Flux Rifle (TenetFluxRifle Tenet) +0.27 +2.97
Javlok Javlok +1.5 +16.5
Miter Miter +1.36 +14.96
Ogris Ogris (KuvaOgris Kuva) +5 +55
Scourge Scourge (ScourgePrime Prime) +1.75 +19.25
Synapse Synapse +0.36 +3.96
Torid Torid +3 +33

Drop Locations[]

Mission Drop Tables

Mission Type Source Rotations
or
Drop Table
Chance[1] Quantity[2] Avg. per roll[3] Star Chart Nodes
Orokin Vault Orokin Derelict Vault A 4.17% 1 0.0417

Any mission node on Deimos except Cambion Drift, Magnacidium, Exequias, and Hyf

Enemy Drop Tables

Enemy Drop Table Chance[4] Item Chance[5] Chance[6] Expected Kills[7] Quantity[8] Avg. per roll attempt[9]

Sourced from the official drop table repository. See Module:DropTables/data to edit on the wiki.

Notes[]

  • Instead of reducing the accuracy by 5% per rank, each rank increases spread by a specific value per rank depending on the weapon.
  • Damage bonus stacks additively with similar mods, such as Mod TT 20px Serration.
    • Since the two stack additively and Heavy Caliber costs 2 more mod capacity for the same bonus, combining the two is slightly less efficient in terms of damage per capacity cost. Maxed Serration grants +11.79% bonus damage per 1 mod capacity, while maxed Heavy Caliber grants +10.31% bonus damage per mod capacity. Combining the two, Serration and Heavy Caliber grant +11% bonus damage per 1 mod capacity, which is +0.79% less bonus damage per capacity than Serration alone.
  • Added spread is not affected by bonuses that increase accuracy, such as Mod TT 20px Twitch or Mod TT 20px Guided Ordnance.
    • For example, a Braton Braton with Mod TT 20px Heavy Caliber and Mod TT 20px Twitch will have a max deviation of 5.0 × (1 - Mod TT 20px 40%) + Mod TT 20px 2.97 = 6 degrees.
  • Causes beam of all continuous weapons to noticeably wobble.

Trivia[]

Gallery[]

See Also[]

Media[]

Patch History[]

Update 32.2 (2022-11-30)

  • Fixed Heavy Caliber having no effect on Ivara’s Artemis Bow.
    • It will now behave like Cernos Prime when Heavy Caliber is equipped.

Update 20.0 (2017-03-24)

  • Fixed the Ferrox not being affected by Heavy Caliber.

Hotfix 19.4.1 (2016-12-16)

  • Fixed extra stat appended to end of Heavy Caliber description.

Update 14.5 (2014-08-28)

  • Fixed Mirage’s Hall of Mirrors not being affected by some mods (Heavy Caliber).

Hotfix 14.1.4 (2014-08-06)

  • Fixed an issue with certain Mods (i.e Heavy Caliber) not working correctly with Hall of Mirror clones.

Update 12.3 (2014-02-27)

  • Weapon and Mod conclave tweaks – increased the rating on the Heavy Caliber mod.

Update 10.4 (2013-10-16)

  • Recoil penalty changed to accuracy penalty.

Update 10.3 (2013-10-09)

  • Introduced along with Orokin Vaults.
  1. Chance to roll item within drop table
  2. Amount rewarded on successful roll
  3. (Quantity × Chance)
  4. Chance to roll drop table
  5. Chance to roll item within drop table
  6. (Drop Table Chance × Item Chance)
  7. (1 / Chance), see WARFRAME Wiki:Expected & Nearly Guaranteed Numbers for more details
  8. Amount rewarded on successful roll
  9. (Quantity × Chance), average item quantity on a roll attempt (successful or not)
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