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Overview Siege
For the other AR-15 derivatives in Siege, see R4-C, 416-C Carbine, C8-SFW, C7E and AR-15.50

"This government-issued assault rifle has been customized with additional features."
— In-game description

The M4 is an assault rifle featured in Tom Clancy's Rainbow Six Siege in the Operation Grim Sky expansion pack. It is available for use by Maverick.

Overview[]

The M4 is a well-rounded weapon with decent handling, above-average damage, and adaquate rate of fire. Its first-shot recoil is noticeable, so the Flash Hider attachment is recommended over the Compensator. That being said, it is still suitable for mid-range engagements.

Pros[]

  • Above-average damage output
  • Good rate of fire
  • Versatile attachments

Cons[]

  • Subpar vertical recoil
  • Harsh damage dropoff

Weapon Attachments[]

Sight
Barrel
Grip
Under Barrel

Gallery[]

Gameplay[]

Models[]

Patch Changes[]


Trivia[]

  • Maverick's Operator Image has him equipped with the M4, which is customized with a Suppressor and an Angled Grip.
  • The weapon is generically designated as an 'M4', which is the burst-fire specific version of the gun, which has only 2 firing modes, semi-auto and 3-round burst. The later M4A1 is the correct designation for this weapon due to its ability to fire full-auto. With that said, either version of the weapon shouldn't have the option of both 3-round burst and full auto firing modes, however the Colt "M4 Enhanced" Models (RO-738, 778, 938, & 978) have this trigger group that includes both three round burst and fully automatic included.
  • This M4 has a custom trigger group which is capable of both three-round burst and fully-automatic, alongside semi-automatic fire, which has only been present in the M16A2 assault rifle as far as AR platform military rifles go.
  • There is no gas block on the M4's model, which means that in reality, the rifle would not be able to automatically cycle after each shot.
  • The M4 is based on a customized M4A1 Block II rifle with a Daniel Defense MK18 RIS II railed handguard and a Command Arms UMPG16 pistol grip.
  • The M4 features a unique Suppressor, yet similar to Caveira's Luison.
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