Heckler & Koch HK121 and MG4 (Flat Dark Earth) Photos

Posted March 20, 2013 in NFA / Suppressors / Class III by Steve Johnson with 28 Comments
Tags: H&K, HK121, mg4

Heckler & Koch had their MG4 5.56mm machine gun and their rare/still in development HK121 7.62mm machine gun both in their new Flat Dark Earth color scheme on display at IWA. In the above photo the MG4 is at the top and the HK121 is in the middle.

HK121 Stock

HK121 Trigger Group

HK121 Quick Change Barrel

HK121 Foreend / Heat Guard

H&K MG4

H&K MG4 Foreend

Many thanks to Dom for the photos.

Steve Johnson

I founded TFB in 2007 and over 10 years worked tirelessly, with the help of my team, to build it up into the largest gun blog online. I retired as Editor in Chief in 2017. During my decade at TFB I was fortunate to work with the most amazing talented writers and genuinely good people!