25% muzzle velocity loss.
10 stud detection radius.
A unique suppressor designed for the MAC-10, famous for making the gun so quiet that the action could be heard cycling.
Preserves damage at distance, improves hipfire stability, and provides incredible sound masking, but reduces damage up close.
–In-game description
Sionics Suppressor


Sionics MAC10

Attachment Type Barrel
Kills Required 2500
Note Can only be equipped by the MAC10.

The Sionics Suppressor is a barrel attachment exclusive to the MAC10. It is unlocked when the player achieves 2,500 kills with the MAC10, or it may be purchased with credits.

Statistic modification

  • Hides muzzle flash, reduces weapon noise by 70%
  • Reveal range: 10 studs
  • Hipfire stability: +30%
  • Muzzle velocity: -25%
  • Maximum damage: -20%
  • Maximum damage range: -20%
  • No minimum damage reduction.
  • No minimum damage range reduction.

Tactics & Usage

The Sionics Suppressor greatly reduces the MAC10's damage output, turning it from a 3SK to a 4SK up close. This is counterbalanced by the fact that the Sionics is incredibly quiet, so much that it's nearly impossible to hear in a firefight. The sound also attenuates rapidly, making the Sionics only barely audible in close quarters, about as loud as an enemy's footstep. This makes the Sionics an excellent attachment for a player who plays stealthily. Compared to the standard Suppressor, the damage penalty is more punishing, but the Suppressor lacks the ability to suppress sound like the Sionics can, while providing none of the hipfire recoil control benefits. Speaking of those benefits, the recoil control provided by the Sionics makes the MAC10 even more dangerous in close quarters, as the weapon will have less tendency to sweep its way off target. The barrel extension does make point blank fighting more dangerous as there is a chance that the barrel could stick through an enemy player. This should be a non-issue, however, as the Sionics is meant for a sneaky player who flanks around their enemies to get the drop on them. Most PDWs are capable of outdamaging a Sionics-equipped MAC10 at any range, meaning that a player who uses the Sionics must take advantage of their map and enemy knowledge to ensure kills even with the damage reduction.


  • The Sionics Suppressor was the first muzzle attachment exclusive to one weapon.
  • The description for this attachment is cut off at the end, which the Ballistics Tracker's description used to do as well.
General trivia
  • Suppressors, by themselves, do not actually slow down bullets in real life - in fact, they tend to increase bullet velocity slightly. Rather, this mechanic is probably to reflect the fact that suppressors are usually used with subsonic ammunition. Standard ammunition makes a distinctive crack due to it going at supersonic velocities, which would ruin the point of having the firing sound of the weapon decreased, however, in combat conditions, with a sniper rifle, it may be difficult to pinpoint the exact location of the sniper with a suppressor, unless the supersonic ammunition reveals the location.
    • Certain weapons used this trope by virtue of their bullets being so slow that the suppressor improved the bullet velocity. However, in Update 4.3.0 to present, the suppressors reduce bullet velocity using percentages instead of fixed values, eliminating this exploit.
    • Another quirk of suppressors is that they increase the cycling speed of many of the weapons they are attached to due to gas blowback. Manufacturers tend to try and avoid this as while it may increase the firing rate of weapons and thus their firepower, unintended increases in cycling speed can seriously damage guns not designed to take advantage of or withstand such side effects.
  • Shotgun slugs have priority over the suppressor's velocity reduction, which means every slug will still travel 1800 suds/s regardless of barrel attachment.
    • This make shotguns particularly effective with suppressors when taken for mid range sniping.
  • The Stevens DB and Sawed Off cannot attach suppressors, as the double barrel would be troublesome to suppress, but still possible. Along with this, no revolver can attach a suppressor either, due to the structure of a revolver not being suited that way.
    • The only exception would be the Nagant M1895 (not in-game), as this revolver has a gas seal mechanism that allowed it to be suppressed properly. However, there are other silent revolvers as well, such as the OTs-38 Stechkin Silent Revolver (also not in-game). Unlike the Nagant revolver, they involve using silent ammunition, not external means, and as such, they do not count.
      • Integrally Suppressed Weapons cannot attach barrel attachments, due to the barrel design not being able to accept such an attachment. However, manufacturers can make their suppressors with built in muzzle devices such as muzzle brakes and compensators.


Optics Primary

ACOG Scope - Animu Sight - Barska Electro - C79
Comp Aimpoint - Coyote Sight - DDHB Reflex - EOTech 552
EOTech XPS2 - Hensoldt 3x Sight - Kobra Sight - Leupold M8-2x
Leupold M8-6x - Lyman Sight - M145 - MARS - OKP-7 - Pilad 3
PK-A - PKA-S - PM II - PSO-1 Scope - PSO-1M2 Scope
PU-1 Scope - Reflex Sight - TA01 ACOG - TA11 ACOG
TA33 ACOG - VCOG 6x Scope - Z-Point - Extended Stock


Delta Sight - Full Ring Sight - Half Ring Sight - Mini Sight

Barrel Flash and Sound Suppression

ARS Suppressor - Flash Hider - PBS-1 Suppressor
PBS-4 Suppressor - R2 Suppressor - Suppressor
Osprey Suppressor - Sionics Suppressor

Recoil Management

Compensator - Muzzle Brake - Muzzle Booster

Barrel Modification

CTAR Barrel - Extended Barrel

Underbarrel Grips

Angled Grip - Folding Grip - Stubby Grip - Vertical Grip


Flashlight - Laser - Green Laser

Other Aiming Aids

Boom Stock - Extended Stock - G Stock - Raffica Stock
Ballistics Tracker - Laser - Green Laser

Backup Sights

Canted Delta Sight - Canted Iron Sight


20rd Drum - 33rd Mag - Extended Magazine - Pro Mag
30rd Mag - 50rd Drum

Ammo Regular Ammunition

Armor Piercing - Hollow Point

Shotgun Ammunition

Buckshot - Flechette - Birdshot - Slugs

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