..or the bolt carrier didn't go all the way forward.
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..or the bolt carrier didn't go all the way forward.
Sorry to bring this one back to life but my brother-in-law had the same issue with his new rifle when we sighted it in the other weekend. (PSA upper, Rguns BCG, Surplus Arms lower).
Turned out to have a gritty trigger that didn't want to reset. Makes me wonder if that was my issue years ago with that RRA...
OP,
Just out of curiosity, what are you cleaning the firing pin channel with? I.E. q-tip, pipe cleaner, patch, just CLP etc...