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Something seems to be off forsure…here's what i would do…
– Clean the barrel and take the action out of the stock.
– Check stock for cracks or signs of compression
– Check the barrel crown
– Pull the recoil lug from the stock and check to make sure its actually fully seated in the stock properly.
There should be no rocking of the action when its seated properly in the stock with proper lug height.
– Flip the recoil lug (action indent will now go down into the stock so up side is new) and install fully back into the stock, plastic mallet works great to seat it.
– Check barrel clearance in the stock…I personally free float all my Tikka's right to the action, its works for me but guys will debate whether is necessary. I've only had positive results.
– Torque the rail & rings down to spec
– Reassemble and torque the action screws to 35in-lbs
– After you foul the bore, get your favourite ammo
– Shoot 1 group at 35in-lbs
– Shoot 1 group at 40in-lbs
– shoot 1 group at 45in-lbs*shoot 3 as fast as you can before barrel heats up, or shoot 3 completely cold bore shots…choice its yours, whatever you feel more comfortable with…
My guns have not really varied much with group size on different torque setting but some guns will like one over the other…I use 40-45in-lbs on all my Tikka stocks.
