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Hi, 

 

What does everyone recommend for lubricating a rifle bolt? 

Oil? Grease? Ptfe? Silicone?

Also any particular brand

 

Thanks

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There is some mil stuff from March UK that is brilliant. I got a small syringe years ago and still got loads left 

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16 minutes ago, MrCetirizine said:

I rub on oil then rub it dry.

phwarrrr 🤣

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11 hours ago, Popsbengo said:

phwarrrr 🤣

😂😂😂

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I’ve used all sorts and find GT85 best, not gun specific but just works for me. 

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Dab of moly on the lugs and cam, remove firing pin assy, dip in light oil, shake well and reassemble.

Pete

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I use this white lithium grease on back of bolt lugs, a little in the raceways and back of the bolt & caming surface. 

Excelkent stuff, a little goes a long way and doesn't seem to attract/bond with grime & carbon.

https://mil-comm.com/tw25b/

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20 hours ago, furrybean said:

There is some mil stuff from March UK that is brilliant. I got a small syringe years ago and still got loads left 

It’s called TW25 extreme performance grease. It’s without doubt the best you’ll ever get.

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Yes, the MilCom stuff is rather good, as you say that small syringe seems to go on forever :)

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6 minutes ago, terryh said:

Yes, the MilCom stuff is rather good, as you say that small syringe seems to go on forever :)

If you buy your own syringes then you can fill them up with any grease you like

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Mark, not if someone’s already done it for you 😁

Probably any good high pressure grease would work? MDS based possibly? Pet Pill dispenser for the syringe - different colours for different lubes- job done.

or just buy shite that works 

T

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I’ve tried just about everything mentioned in this thread: TW25, Tetra, moly and lithium greases and I now just use plain old Ballistol mineral oil. Works just as well and far less messy.

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Grease is just a medium for holding shite in wee crannies. So you are paying premium prices for Branded slippy stuff to make a grinding paste ?? 🙉

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49 minutes ago, Chanonry said:

Grease is just a medium for holding shite in wee crannies. So you are paying premium prices for Branded slippy stuff to make a grinding paste ?? 🙉

Agreed.   The whole point of "wonder grease" seems to be for use by the military in the field - military actions made to cope with sand, mud, snow etc.  For a precision instrument like a Barnard action, just the hint of high pressure lube on the locking lugs and a clean after every session. Wipe down with oil occasionally then wipe off - corrosion protection.

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3 hours ago, Popsbengo said:

Agreed.   The whole point of "wonder grease" seems to be for use by the military in the field - military actions made to cope with sand, mud, snow etc.  For a precision instrument like a Barnard action, just the hint of high pressure lube on the locking lugs and a clean after every session. Wipe down with oil occasionally then wipe off - corrosion protection.

Well, the British military uses OX24, which is a plain old mineral or synthetic lubricating oil, with added corrosion and oxidation inhibitors. This is also used for bolt actions such as the L115A3. No grease.

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The anti-greasers are usually the folk that turn up, having reduced a blueprinted or custom action, to scrap, by galling its lugs.....

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Can't recall where I got this tip from but it seems to work great. Get a cartridge/sachet of automotive suspension grease which is  lithium/moly/.. based and put it in small syringes which you grovel off a vet or doctor- ~ 5cc ones are about right. I cut and drill small blocks of stiff closed cell foam as caps. Waaay cheaper than fancy specialist stuff and definitely does the biz.

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4 hours ago, baldie said:

The anti-greasers are usually the folk that turn up, having reduced a blueprinted or custom action, to scrap, by galling its lugs.....

+1

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If closing your bolt is hard enough to cause galling then you have bigger issues than no lube.

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5 hours ago, MrCetirizine said:

If closing your bolt is hard enough to cause galling then you have bigger issues than no lube.

It's not closing - it's opening after firing - after being loaded to 50-60,000 psi.

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Same thing. If it's clean then there shouldn't be an issue. Anything greasy or oily will make it more likely to attract grit that would get compressed when firing.

A manual bolt action will never create enough friction on its bolt to need lube except on the cocking cam.

Also, the pressure loading is primarily on the chamber walls not backwards towards the bolt otherwise you'd always blow primers.

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