Soldier Systems Daily has some pics of latest variations of HK433 ver 4 and HK416A7
Both are using H&K's RAL8000 color.
HK433
http://soldiersystems.net/2018/03/15/hk433-in-ral8000/
HK416 is using a grip that looks very similar to VP9 grip design. It says backstraps can be changed using different inserts.
http://soldiersystems.net/2018/03/15/hk416a7/
From: Soldier Systems Daily
