PAPA 4 ZERO Posted April 29 Share Posted April 29 Got myself one of the above, but I found while change the rubber, it has no way to add/change the nub itself (some sort of built in nub at the end of the adjustment arm). Any had experience with these or know what what hop unit a could swap it out for? Would a g&g unit work? Link to comment Share on other sites More sharing options...
Skara Posted April 29 Share Posted April 29 At one point I swapped the hop arm with a Madbull Ultimate one I had laying around.. But in all honesty you're better off with a different hop unit. Link to comment Share on other sites More sharing options...
Shamal Posted April 29 Share Posted April 29 I have an Ares hop unit with built in nub. It works as it should. A g&g hop will work👍 Link to comment Share on other sites More sharing options...
Hudson Posted April 29 Share Posted April 29 I've got ZCI hop units from @ak2m4 in my Amoeba; which I'm assuming might be similar. One was a straight drop in, the other needed just the tiniest bit of filing on the other barrel to fit in (Despite being the same model gun!) Link to comment Share on other sites More sharing options...
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