H&K MP7s are OEMd by KWA.
Internally I don't think you have to do anything to it. Other than replacing the bolt with a CQB bolt if you wanna play 360 fps CQB. Or NPAS works too. Research both and decide which you like.
Externally it's whatever attachments you want to match with SWAT or SF.
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VFC HK416C Crushed Orchid - VFC SR16 BCM ZTW
TM G17 Loki Tactical Pink - TM G19 TTI Combat Master
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