While we are talking HK.....initial G36 at the Yuma proving ground....24000 rounds fired, no lubing and no cleaning. No other platform in the world can perform like that.
Then the anti HK German Defense minister starts a political agenda to stop Germany from selling weapons of war to the world and poof you have the G36 controversy,
which was very easy for the anti HK / Colt DI loving American gun public to perpetuate....when almost none of them had any experience with the G36 system.
Rich
PS: you are right, HK 416 / 417 / G36 have very, very little fouling compared to almost any other platform !