Originally Posted by
MadAngler1
I agree with your assessment of their extended SEF lever. It looks exactly the same as the one my Zenith has.
I went ahead and ordered a FBI lower, a completely US made ambi trigger pack and the ambi ESSL level system. I went over all the parts with the HK Parts people, and they claim it should be compatible. If it doesn’t run, I can send it back. I’ll check it out and try it this weekend.
I feel like a total HK dork/nerd buying all these parts and playing with them :p