This weapon can receive the following minor customization services:
* '''QCQ-05'''
* '''CS/LS2'''
* Combination: '''CS/LS2 CQ'''
=== QCQ-05 ===
* Muzzle, standard accessory: Becomes '''None'''
* With this modification installed, the weapon cannot receive muzzle threading.
=== CS/LS2 ===
''This modification converts the QCW-05 to 9x19mm, modifies the magazine well to accept MP5 9mm magazines, and replaces the original carry-handle upper receiver with a flat-top, side-charging handle model, complete with optics rail and backup iron sights. The barrel and suppressor are both appropriately replaced with 9x19mm versions, keeping it integrally suppressed.''
Cost: [[File:Parallar symbol.png|10px]]'''450'''
Modifications:
* Caliber: Becomes [[9x19mm Parabellum]]
* Feeding: Becomes [[MP5 9mm magazines]]
* Optics: Becomes '''NATO-S mount'''
=== CS/LS2 CQ ===
''With this configuration, you get all of the advantages of the QCQ-05 but in 9x19mm. It's gonna be very hard to beat.''
Cost: [[File:Parallar symbol.png|10px]]'''650'''
This is a '''two-step''' modification from the original weapon, which combines the effects of the '''QCQ-05''' and '''CS/LS2''' conversions.
Modifications:
* Caliber: Becomes [[9x19mm Parabellum]]
* Weight: Becomes '''3 units'''
* Feeding: Becomes [[MP5 9mm magazines]]
* Muzzle, standard accessory: Becomes '''None'''
* Optics: Becomes '''NATO-S mount'''
* With this modification installed, the weapon cannot receive muzzle threading.
[[Category:Class 2 weapons]]