"Outrunning" the RUGER PC triggers

i have a RUGER PC chassis carbine with every M*CARBO upgrade except the discontinued trigger and mainspring upgrade. Are these discontinued parts the ones that keep the trigger from being outrun when shooting as fast as possible?

ALSO-> Would a Volquartson drop-in trigger group solve this problem with its faster reset than the factory trigger or is it still a mainspring problem?

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