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I murdered your toys as well.
The Spy gaining crits from sapped buildings

The Diamondback is a community-created promotional secondary weapon for the Spy. It is styled after the Diamond Back .357 revolver.

Similarly to the Frontier Justice and the Manmelter, the Diamondback has the ability to store up to 35 critical hits for later use but cannot deliver random critical hits. A potential critical hit is stored for each enemy backstabbed, and for each building that is destroyed while being sapped; regardless of if the Spy is credited, a crit is earned as long as the building is being sapped upon destruction.

As a drawback, the weapon deals 15% less damage compared to the default Revolver. Any stored critical hits will be lost upon death and any buildings destroyed with the Spy's Sapper attached while he is dead will not grant any critical hits to him upon respawn. In Mann vs. Machine mode, no critical hits are stored for each Robot destroyed while sapped.

The Diamondback was awarded in Genuine quality to players who pre-purchased Deus Ex: Human Revolution on Steam before August 26, 2011.

The kill icon for the Diamondback was contributed by Ani.

Damage and function times

See also: Damage
Damage and function times
Shot type Hitscan
Damage type Bullet
Ranged or Melee damage? Ranged
Maximum ramp-up 150% 51
Base damage 100% 34
Maximum fall-off 52.8% 18
Point blank 46-51
Medium range 31-37
Long range 18-19
Critical 102
Mini-crit 46-69
Function times
Attack interval 0.51 s
Reload 1.16 s
Spread recovery 1.25 s
Values are approximate and determined by community testing.



See also: Crafting


Reclaimed Metal Frontier Justice Dead Ringer Diamondback
Item icon Reclaimed Metal.png + Item icon Frontier Justice.png + Item icon Dead Ringer.png = Item icon Diamondback.png
Class Token - Spy Slot Token - Secondary Scrap Metal Possible Results
Item icon Class Token - Spy.png + Item icon Slot Token - Secondary.png + Item icon Scrap Metal.png =
Item icon Ambassador.png Item icon L'Etranger.png Item icon Enforcer.png Item icon Diamondback.png

Strange variant

Related achievements

Leaderboard class spy.png Spy

A Cut Above
A Cut Above
Kill a gun-wielding Spy with your knife.

Update history

August 18, 2011 Patch (Manno-Technology Bundle)
  • The Diamondback was added to the game.

August 23, 2011 Patch

  • Fixed an infinite crits exploit using The Diamondback.
  • Added draw/recoil forces for The Diamondback.
  • Added crit fire force for The Diamondback.

September 6, 2011 Patch

  • The Diamondback now correctly gets guaranteed crits if an Engineer changes class while their buildings are sapped.

March 22, 2012 Patch

  • [Undocumented] Added Strange quality.

November 12, 2013 Patch

December 20, 2013 Patch

  • Changed attribute:
    • Backstab kills now gains a critical attack.

February 11, 2015 Patch #1

  • Fixed the Diamondback accumulating crits for backstabbing ÜberCharge players.

Unused content

  • There are unused particles that resemble the particles used for Marked for Death.


  • Players will not earn any critical hits for sapped buildings destroyed with non-critical Diamondback shots.
  • If a Spy performs backstabs or saps buildings with a different secondary weapon equipped, the crits will be retroactively awarded as soon as the Spy switches to the Diamondback via a Resupply locker or by picking up a dropped Diamondback.
    • However, picking up another secondary weapon while having a picked up Diamondback will result in the stored crits disappearing.[1]
  • Destroying a building with a guarenteed-critical Diamondback shot will earn another guaranteed crit; however, the counter will display as having 0 stored crits. Firing once will set the counter to the correct value.
  • Like all of the Spy's secondary weapons except the Revolver and the Enforcer, the Spy does not actually put any bullets into the cylinder while reloading.
  • The crits counter overlaps with the Cloak meter when using the Minimal HUD advanced option.


  • The gun does not reload the same way as it does in Deus Ex: Human Revolution. In Deus Ex, the Diamondback Revolver uses a side-break action reload system with a removable cylindrical magazine based on the Dardick Tround concept, and not the traditional swing out revolving cylinder seen in Team Fortress 2.
  • The Team Fortress 2 design appears to be based more on the gun's looks when it is upgraded with a Laser Sight and Explosive Rounds than its base design. There's an extra, tiny hole on the front of the gun which supports this, as it appears to be the hole for a laser sight.


See also


  1. https://www.youtube.com/watch?v=CMswZIeidL0 Diamondback pick up bug shown here