QQ9 is a great SMG (Submachine Gun) to use while playing Call of Duty: Mobile. The gun is very similar to an MP5. It deals a lot of damage at close range and has a high fire rate, like others in its class.
The DLQ-33 appears to be some hybrid bolt action, being a combination of the CheyTac Intervention and some other unnamed bolt action rifle. Being fed from an Intervention magazine, it's chambered for . 408 CheyTac (I can now confirm for a fact that the DLQ-33 is chambered for this round with the addition of the .