Savage 220 Slug Gun - Action Screws Torque Specs

Appreciate if someone here could confirm correct torque spec for the two action screws on Savage 220 slug gun [synthetic stock]. Web search failed to reveal any concrete info.

I seldom use the slug gun since ammo is generally scarce and quite expensive too. Last time I had shot it was pre-Covid year. Recently took that out to the range to validate zero and found the group opened up.

Check revealed loose action screws. Hand tightened just enough (didn't have access to a torque driver) - rear (i.e. middle screw) first and then front. Group shrank but POI shifted which is a non-issue. Ran out of ammo, therefore, was unable to validate further.

Nonetheless, it would certainly help knowing actual torque specs for that firearm ....

Target @ 100m (loose screws) ....
https://i.imgur.com/KhmddiV.jpg


After screws were re-tightened ....
https://i.imgur.com/bCTCO0A.jpg
https://i.imgur.com/vhOzkKc.jpg

I don’t know the spec. But why did your action screws come loose?

Good question - I just don't have a precise answer. It is entirely possible that those screws weren't properly snugged up at the factory and may have backed out to some degree overtime.

I have observed the issue with in-line ML rifles too even when those had fore end screws fastened right. Only difference is that such issue isn't as relevant as it is on that slug gun. I have also experienced action screws backing out on heavier recoiling CF rifles after some years of use.

It may be a good idea to blue loctite those screws on the Savage to prevent a further possible recurrence - however, it would be essential to do so with correct torque specs.

I had the same issue with a savage 270 WSM, happened to be on a moose hunt when I noticed it. I would figure your torque setting would be what is recommended for their centrefires. 30-35in/lb for synthetic, wood and laminate stocks, 40in/lb if you have the newer model with the accustock since they have no separate torque numbers for the slug guns.

Get a hold of Savage or Stoeger Canada they will know the specs