The length of the on-off pin does not affect anything to do with the trigger rod. The length of the pin affects the rotational distance between when the on-off closes and the sear releases the bolt. The trigger rod has to be adjusted so that the sear can rotate far enough forward to allow the on-off to open and to push the sear far enough to allow it to release the bolt. Adjust the trigger rod so that it almost touches the back of the trigger when you hold the trigger against the safety. That gives you maximum rotational range without any restrictions.
Originally Posted by magfan
Except for the Automag in front, its usually the man behind the equipment that counts.