There's a version available on my profile that has an integrated foregrip

https://www.printables.com/model/425067-replica-tec-9-frame-scale-model

If you download a model of mine please leave a like, it goes a long way in motivating me to continue making polymer furniture & replicas, I appreciate it!

Note: This model may be Mirrored depending on your settings

I highly recommend having an assortment of drill bits available to ensure proper fitment.

WARNING!!:
THIS IS AN EDUCATIONAL REPLICA THAT SHOULD BE CONSTRUCTED IN PLASTIC - ANY ATTEMPT TO ALTER WITH THE INTENTION FOR USE WITH BLANK OR LIVE AMMUNITION MAY LIKELY RESULT IN INJURY, LOSS OF LIMB & PROSECUTION DEPENDING UPON YOUR LOCAL LAWS - ANY OF THESE EVENTS WILL BE YOUR OWN RESPONSIBLILITY.