Information is definitely out-dated, and you shouldn't really take it to heart.
It added a small flashlight to the gun which could be activated by pressing "E" at the time.
The Flashlight wasn't quite as popular as the Holo. Within two months of its existence, copycats trying to cash in on the trend popped up on the market. The TrueNite TN12 and the Fenix PD35 were worthy competitors.
To stand out, the product's name was later changed to GG-X. It had a nice ring, but due to the limited release of the guns it supported, it quickly died out.
- This Attachment used to be named "Flashlight" before it was renamed to "GG-X" at v0.4.0.
- This attachment was removed alongside the gun for unknown reasons.