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Mar 25th, 2012
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Question about action screws #7029674
01/08/18 05:41 PM
01/08/18 05:41 PM
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Big A Offline OP
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I have a tikka ctr that I have had the action screw come loose before.

I put this into a Mcmillan Stock torqued to about 40lbs and they came lose over the weekend hunting do I need to try a little loctite to help or more torque.


Stock is new

Last edited by Big A; 01/08/18 10:08 PM.


Originally Posted By: NTX_Hunter
"The only thing that stops a bad guy with a gun, is a good guy with a gun"
Re: Question about action screws [Re: Big A] #7029706
01/08/18 06:09 PM
01/08/18 06:09 PM
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40 ft lb or inch pounds?

I hope inch pounds.

But found this thread that says 51-51 in lb.

http://www.tikkashooters.com/public_html/gunsmithing/tightening-the-action-screws-on-a-t3/


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Re: Question about action screws [Re: Big A] #7029718
01/08/18 06:16 PM
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I would be carefull adding more torque than what you have. Some other users have had issues when going over, maybe they will respond.

I would try some locktight before I really strapped on them, you don't want to overdo it. Torque on action screws depends a lot on what kind of bedding you have. Wood or synthetic no pillar bedded I think 30-40 is what most manufacturers recommend.


It's hell eatin em live
Re: Question about action screws [Re: Big A] #7029724
01/08/18 06:20 PM
01/08/18 06:20 PM
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Loctite is fine. Use the low-strength stuff (blue I think).

40 in-lbs should be fine. Since the CTR has actual metal as the bottom metal, more torque would probably be OK, but I wouldn't personally go past 50 in-lbs. And Loctite will do a better job keeping it secure than more torque will anyway. The Tikka action screws use a pretty big torx bit, so the low-strength Loctite would be totally fine.

I torqued my Tikka Varmint rifle to 55 in-lbs and found out that my action screws were preventing my bolt from closing because the plastic bottom metal had somewhat given way. The CTR shouldn't have that same issue, but there's no reason to go past 40 or 50 anyway IMHO.

Re: Question about action screws [Re: Big A] #7029828
01/08/18 07:12 PM
01/08/18 07:12 PM
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How many rounds fired before you noticed they were lose?
Originally Posted By: Big A
I have a tikka ctr that I have had the action screw come lose before.

I put this into a Mcmillan Stock torqued to about 40lbs and they came lose over the weekend hunting do I need to try a little loctite to help or more torque.


Stock is new


An unethical shot is one you take, that you know you shouldn't.
Re: Question about action screws [Re: Big A] #7030025
01/08/18 09:23 PM
01/08/18 09:23 PM
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3 rounds where fired from mounting stock to it being lose.



Originally Posted By: NTX_Hunter
"The only thing that stops a bad guy with a gun, is a good guy with a gun"
Re: Question about action screws [Re: Big A] #7030032
01/08/18 09:27 PM
01/08/18 09:27 PM
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3 rounds makes me wonder if something else is up. I would retorque and try again. If it comes loose again I would maybe consult the stock manufacturer. Did it do it before you replaced the stock?


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Re: Question about action screws [Re: Big A] #7030077
01/08/18 09:54 PM
01/08/18 09:54 PM
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Houston
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For what it's worth...I torque mybsfock savage action screws onto my hs stock to 65in-lbs. I've taken them on and off several times and it's never it's never come loose during use.

Re: Question about action screws [Re: redchevy] #7030099
01/08/18 10:08 PM
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It has come loose before in the factory stock.



Originally Posted By: NTX_Hunter
"The only thing that stops a bad guy with a gun, is a good guy with a gun"
Re: Question about action screws [Re: Big A] #7030107
01/08/18 10:12 PM
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blue or purple locktite 40-50 in-lbs

Re: Question about action screws [Re: Big A] #7030361
01/09/18 12:50 AM
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Odd that it has happened on both the Tikka and McMillan stocks. Are these the original screws that came with the rifle? Without the stock, do the screws seem to thread properly into the action? I would suggest cleaning/degreasing the action and screw threads thoroughly and torque to specs with red BLUE loctite. Threadlockers will not cure properly with oil residue on the threads. If it comes loose again there is something else going on.

Last edited by Big Fitz; 01/09/18 03:57 PM.

Originally Posted By: syncerus
I prefer to think of myself as a control enthusiast. wink
Re: Question about action screws [Re: Big A] #7030813
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I do mine to 60-65 in-lbs, no Loctite, no problems yet.

Re: Question about action screws [Re: Big Fitz] #7031092
01/09/18 02:35 PM
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Originally Posted By: Big Fitz
I would suggest cleaning/degreasing the action and screw threads thoroughly and torque to specs with red loctite.

Pretty sure red is semi-permanent and requires heat to remove bolt. Maybe you meant blue?

Re: Question about action screws [Re: Big A] #7031164
01/09/18 03:21 PM
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I'd use blue if any at all. Maybe even purple.


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Re: Question about action screws [Re: garyrapp55] #7031252
01/09/18 03:59 PM
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Originally Posted By: garyrapp55
Originally Posted By: Big Fitz
I would suggest cleaning/degreasing the action and screw threads thoroughly and torque to specs with red loctite.

Pretty sure red is semi-permanent and requires heat to remove bolt. Maybe you meant blue?


Yes, thanks for catching that! Red can be removed but heat is required. Use BLUE for this application.


Originally Posted By: syncerus
I prefer to think of myself as a control enthusiast. wink
Re: Question about action screws [Re: Big A] #7031439
01/09/18 06:10 PM
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