Loctite on Scope Mount Screws?

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Loctite on Scope Mount Screws?

Postby Bergie on Sun Mar 04, 2018 4:37 pm

Am wondering if it's a good practice to apply a small amount of blue Loctite to the screws on my Scope mount and screws on the rings. I can't think of a downside, unless someone knows of something I don't. Might be a little more difficult to remove quickly, but I've encountered loose screws after a day of shooting sometimes.
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Re: Loctite on Scope Mount Screws?

Postby Ghost on Sun Mar 04, 2018 4:56 pm

I do
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Re: Loctite on Scope Mount Screws?

Postby Holland&Holland on Sun Mar 04, 2018 5:33 pm

I do on bases. Have gone either way on rings, really depending on the style of ring.
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Re: Loctite on Scope Mount Screws?

Postby Randygmn on Sun Mar 04, 2018 5:36 pm

Bergie wrote:Am wondering if it's a good practice to apply a small amount of blue Loctite to the screws on my Scope mount and screws on the rings. I can't think of a downside, unless someone knows of something I don't. Might be a little more difficult to remove quickly, but I've encountered loose screws after a day of shooting sometimes.


Absolutely.
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Re: Loctite on Scope Mount Screws?

Postby Uffdaphil on Sun Mar 04, 2018 5:36 pm

I use low strength purple Loctite or Vibra-Tite VC-3 Threadmate.
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Re: Loctite on Scope Mount Screws?

Postby OldmanFCSA on Sun Mar 04, 2018 5:40 pm

Use PURPLE LocTite for the smaller screws.

Either way, you still need to properly torque to specification.

I use purple on barrel to action as I mainly want threads sealed from the solvents I use to clean barrels.

I use blue on some screws, but never use red or green.
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Re: Loctite on Scope Mount Screws?

Postby Amazi on Sun Mar 04, 2018 6:53 pm

I had to on my ar mount, the 15in lbs is a joke. I used loctite 680 it will never shake lose again haha.
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Re: Loctite on Scope Mount Screws?

Postby Bearcatrp on Sun Mar 04, 2018 7:44 pm

Put that on my 338LM screws. Haven’t loosened up since. Light recoil rifles I don’t use any.
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Re: Loctite on Scope Mount Screws?

Postby 2in2out on Mon Mar 05, 2018 7:32 pm

I have had scope ring and mounting screws work themselves loose, usually at the worst possible moment. Blue Loctite = not any more.
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Re: Loctite on Scope Mount Screws?

Postby Holland&Holland on Mon Mar 05, 2018 7:42 pm

I tend to find lapped rings make a bigger difference than locktight in keeping large recoiling set ups from moving the scope.
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Re: Loctite on Scope Mount Screws?

Postby Bergie on Mon Mar 05, 2018 9:11 pm

(OP here), I've noticed this -loose screws- on my Warne mount on my competition AR. So not much recoil at all, so I'll try the purple. Thanks to everyone who chimed it....obviously great minds think alike.
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Re: Loctite on Scope Mount Screws?

Postby Ghost on Mon Mar 05, 2018 9:15 pm

Holland&Holland wrote:I tend to find lapped rings make a bigger difference than locktight in keeping large recoiling set ups from moving the scope.

The manufacturer of all my mounts specifically says to not lap the rings.
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Re: Loctite on Scope Mount Screws?

Postby Holland&Holland on Mon Mar 05, 2018 10:40 pm

Ghost wrote:
Holland&Holland wrote:I tend to find lapped rings make a bigger difference than locktight in keeping large recoiling set ups from moving the scope.

The manufacturer of all my mounts specifically says to not lap the rings.


Really? Which manufacturers?
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Re: Loctite on Scope Mount Screws?

Postby UnaStamus on Tue Mar 06, 2018 12:46 am

Make sure to degrease all threads with either denatured alcohol or some other kind of drying degreaser.

I use blue loctite on all of my screws. And paint pen witness marks.
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Re: Loctite on Scope Mount Screws?

Postby UnaStamus on Tue Mar 06, 2018 1:01 am

Holland&Holland wrote:
Ghost wrote:
Holland&Holland wrote:I tend to find lapped rings make a bigger difference than locktight in keeping large recoiling set ups from moving the scope.

The manufacturer of all my mounts specifically says to not lap the rings.


Really? Which manufacturers?

ADM, Badger Ordnance, Bobro, Nightforce, GDI, Leupold Tactical (not the hunting line), Seekins, Spuhr, TPS, US Optics, Vortex, Zero Delta, to name a few.

Most tactical scope rings of good quality are cut from a single piece of aluminum or use such high tolerances that there are no variances.
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