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600AT Action lock pin

DownRange

Copper BB
The 600 AT is supposed to be the same as the 500.
I think someone "fixed" my trigger group with a too short pin for the action lock bar/spring, maybe they lost the original? Or, mixed up the sear pin which is longer, with the lock pin, the wrong holes?
There's enough room for it to slide sideways far enough to dis-engage allowing the action lock bar to stay in the up position.
If the pins are the same diameter, I could see where swapping the 2 pins should give sufficient length to function reliably.
Can anyone tell me if the 2 pins are supposed to be about the same length?
Or is the front/sear pin shorter?
 
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