MP5K RIS Frontguard

Hello, everyone,

While rummaging through my hard disk I found this file very well designed: a RIS type handguard for MP5K.
You can found the source here https://grabcad.com/library/stinger-r36-airsoft-gun , to go and thank the guy who designed everything

[Edit 13/12/2018]
I finally found on a used mp5k JING GONG and printed the part on HP MJF. (Fixing part : RightHalf because one of hole was not open)

The assembly of the parts is done with M3x15 screws and M3 nut,

It is almost per