Nice rifle. I would let a gunsmith hone and set the original trigger before buying a Timney. The model 70/ Springfield style trigger is one of the pluses of the Montana action to me. I would only go aftermarket if I wanted less than 2 lbs of pull. But you may be able to get this with an Ernie the Gunsmith replacement spring and a little tuning. I think the M70 spring will fit but verify this before ordering.

"When you disarm the people, you commence to offend them and show that you distrust them either through cowardice or lack of confidence, and both of these opinions generate hatred." Niccolo Machiavelli