Yes the CMMG Conversions can/will run with the Fostech Echo. Yes it takes some fine tuning to make it run but so worth it and $$$ saving:)
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How did you modify it?
What did you do to the CMMG bolt to get it to work with the Fostech?
A vertical handgrip on a pistol that length is an NFA weapon. I am assuming it is not because of the pistol brace.
The trigger cost more than that whole gun…..
Did you use the cmmg 22 auto sear trip or just block the trigger lock forward?
FYI, a vertical grip is a big no no on an ar pistol. ATF says vert grip makes it an SBR.
Nice video!! What modification did you do? Can you please explain..
did you have to modify the conversion kit at all for it to work with the echo trigger?
throw a 4.5" barrel on that thing and you won't need that hearing protection, even with bulk ammo.