zentico handguard reciever bar
thingiverse
the bar held in place by two m5 flat screws on the back of the hand guard/rail that fits into the receiver. if you are missing this block (like i was) or yours doesn't fit, damaged, etc, this is a direct fit. tested on LCT RPK.
Download Model from thingiverse
With this file you will be able to print zentico handguard reciever bar with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on zentico handguard reciever bar.