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The subject of this article appears in Call of Duty: Ghosts The subject of this article appears in Extinction mode The subject of this article appears in Call of Duty: Mobile The subject of this article appears in Call of Duty: Modern Warfare (2019)
For a similar gun perk, see Burst Fire (x2).

Burst Fire is an attachment featured in Call of Duty: Ghosts. It also appears as a weapon perk in Call of Duty: Modern Warfare.

Call of Duty: Ghosts

"Sets fire type to 3 round burst."
— In-game description

Burst Fire is an attachment for assault rifles and marksman rifles. It changes the fire mode of the weapon to three round burst. There is a delay of 0.2 seconds between bursts.

In addition to changing the fire mode, Burst Fire decreases the fire rate by 9% for most assault rifles, except the AK-12, Remington R5 and Maverick, for which the rate within burst remains the same as the fully-automatic versions. Contrariwise, for marksman rifles, the attachment increases the rate of fire by 25%.

The MSBS assault rifle has an integrated Burst Fire, meaning it fires in 3-round bursts by default, although this can be changed with the Automatic Fire or Semi-automatic attachments.

Fire Rate variations
Assault Rifles
Weapon Standard Burst Fire
SC-2010 750 RPM 681 RPM per burst (387 overall)
SA-805 769 RPM 699 RPM per burst (393 overall)
AK-12 689 RPM (390 overall)
FAD 882 RPM 802 RPM per burst (424 overall)
Remington R5 631 RPM (371 overall)
Honey Badger 800 RPM 727 RPM per burst (402 overall)
ARX-160 857 RPM 779 RPM per burst (417 overall)
Maverick 652 RPM (378 overall)
Marksman Rifles
Weapon Standard Burst Fire
MR-28 600 RPM
(200 in Extinction)
750 RPM per burst (409 overall in Multiplayer)
(333 overall in Extinction)
[1]
MK14 EBR 480 RPM 600 RPM per burst (360 overall)
IA-2 545 RPM 681 RPM per burst (387 overall)
SVU 400 RPM 500 RPM per burst (321 overall)

Extinction

Burst Fire is an attachment that can be found in Extinction. It is applicable to all assault rifles and marksman rifles.

Burst Fire will convert the weapon from its default firing state into that of a three round burst, except on the MR-28, which uses a two round burst. In addition to receiving a two round burst, other properties of the MR-28 are changed, with it receiving an augmented magazine capacity of twelve rounds, a larger max ammo loadout, and somewhat reduced bullet damage.

Burst Fire conflicts with Extended Mags, and equipping either attachment while the other is already present will swap that attachment out. On the MR-28, since Burst Fire has Extended Mags essentially built into the attachment, the MR-28 does not lose ammo when swapping between Extended Mags and Burst Fire, unlike most other weapons do when swapping out Extended Mags.

Burst Fire is one of the least desirable attachments in Extinction, as it restricts the freedom the user has with fire, being unable to make single shots or just keep the trigger held down for an extended period of time. Burst Fire doesn't confer a rate of fire increase nor any noticeable effect on damage. Some may consider it for semi-automatic weapons like the SC-2010 or IA-2, but it is very rarely used on fully automatic weapons.

Call of Duty: Mobile

Burst fire was available in Call of Duty: Mobile as Burst. It is an exclusive perk for the Outlaw. It is currently bugged and is replaced by Stealth Kill.

Call of Duty: Modern Warfare

"Changes fire mode to 3-round burst."
— in-game description

In Call of Duty: Modern Warfare, burst fire is available as a weapon perk called Burst. It is available to the Kilo 141, FAL, M4A1, M13, RAM-7 and Grau 5.56 assault rifles, and to the AUG and MP5 submachine guns. It replaces the fully-automatic mode by three-round burst on most of these weapons, and consequently the player can switch between burst and semi-auto. In the case of the FAL, the perk replaces the only existing semi-automatic mode by 3-round burst.

References

  1. This is due to its 2-round burst mode instead of 3.