I’m getting the quirks worked out on 3 position binary which uses a M16 3 round burst trigger and two disconnectors.
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Sarco is the only place I’ve found that sells the triggers individually and the sear surface on theirs looks like 💩. Any other vendors that will sell the 3 round burst parts individually?
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Are the 3 round disconnector springs the same as standard AR disconnector springs? I couldn’t find any 3 round specific springs and used AR springs. They work but they don’t seat well and I can feel the coils rubbing/ binding when manually compressing the disconnector. You can see it in the right side disconnector.


like an scs discobin? doesn’t kak sell the m16 LPK? idk where to find burst parts but kak has the dual disconnector triggers and 3 pos selectors i believe.
This is a SCS cut binary disconnector and a M16 disconnector in a 3 round burst trigger. The AR disconnector springs don’t seat well.
i think they use the normal AR ones to my knowledge, does look a bit cockeyed though… gotta be someone with an SOT on here that has a better answer.