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-   -   i'm putting a rifle back togther. extracting a broken bolt (http://forums.pelicanparts.com/off-topic-discussions/940277-im-putting-rifle-back-togther-extracting-broken-bolt.html)

vash 12-24-2016 09:01 AM

i'm putting a rifle back togther. extracting a broken bolt
 
when i fell, i sheared a fastener. i need to extract it.

are scope allen bolts hardened? this one was clearly loc tited..cuz despite that it is under zero tension i cant turn it.

it's making me worried about the health of the actual rifle. hope i didnt bend something in the fall.http://forums.pelicanparts.com/uploa...1482602459.JPG

svandamme 12-24-2016 10:08 AM

try a reverse drill bit..


Rifles can take a hit, after all, they are designed to withstand repeated heavy pressures inside of them

John Rogers 12-24-2016 11:28 AM

The allen bolts are just regular hardness and can be drilled out with a regular bit or a left-handed bit. Since it looks like a ridge is on the top of the broken section I would recommend removing the bottom half of the mount and using a drill press with a sleeve around the bit as the bit will wobble. If you use a regular bit the broken piece will go all the way through. I am surprised a bolt, just one broke so maybe they are make of an annealed steel on purpose? Good luck.

id10t 12-24-2016 11:40 AM

I would just get new rings.

craigster59 12-24-2016 02:07 PM

Quote:

Originally Posted by svandamme (Post 9407765)
try a reverse drill bit..


Rifles can take a hit, after all, they are designed to withstand repeated heavy pressures inside of them

This right here, you'll be back in action in no time. Besides, you might be able to find a set cheap at the French Army Surplus (badum bish!)

fanaudical 12-24-2016 03:04 PM

I second the recommendation on the drill press. Once you get that off, I'd put a couple drops of PB Blaster or Kroil (or your favorite rusted bolt remover) and let that sit for a day, then repeat.

HardDrive 12-24-2016 03:41 PM

Quote:

Originally Posted by id10t (Post 9407856)
I would just get new rings.

This. Rings aren't too $, and it removes an doubt about the condition of the rings.

targa911S 12-25-2016 05:27 AM

Quote:

Originally Posted by id10t (Post 9407856)
I would just get new rings.

this... but that looks like Leupold ring so about $25.00 the screws are soft and could be drilled out. However they are an 8-64 thread you won't find one of those at Lowes. Push to shove I'll look in my tool box junk at the shop if I have one i'll send it to you.

Tobra 12-25-2016 06:41 AM

If it has blue loctite on it, wouldn't a bit of heat soften it up?

John Rogers 12-25-2016 06:47 AM

The point about locktite is true as many scope screws are fastened with it. I forgot to mention if you do not have a Weaver Scope Mounting Kit I would very strongly suggest buying on. It has ring alignment tools, bubble levels, inch pound torque wrench and the various sized allen wrenches you might need. At the same time I would order a "gun screw set" and you'll have the needed replacement BUT since you have a set you'll NEVER break another one!

Gretch 12-25-2016 06:58 AM

Quote:

Originally Posted by id10t (Post 9407856)
I would just get new rings.

This........ how do you know the ring is true? Do you bed your scopes?

svandamme 12-25-2016 07:18 AM

Quote:

Originally Posted by Gretch (Post 9408383)
This........ how do you know the ring is true? Do you bed your scopes?


The rings are steel, they won't twist or bend that easy.
There is enough meat on them to resist deformation.

They took a hit and wanted to slide apart, the weakest bit broke, the screw.
The rest is fine.

Easy enough to check, if you put the 2 halves together, they will still fit.
if not, replace em.

Gretch 12-25-2016 09:06 AM

Not enough........ the two rings have to be in alignment with each other. I won't go into the details, but this is exactly why bedding a scope is done, especially when the rings are separate pieces.

just my opinion........... treat your firearms as you see fit.

svandamme 12-25-2016 09:40 AM

I don't see how you would twist the base of the scope rings, and not damage the top half.
Either way, it would be very obvious

targa911S 12-25-2016 10:18 AM

the front ring has a foot on it that twists into the base so it does in fact turn left to right. the rear one has a screw on either side holding it in place on the base. These screws can also be used to adjust windage. Bedding a scope is essential on rimfire guns.

vash 12-25-2016 10:25 AM

That scope was installed by a smith. He did align everything and bedded it. That's why I was hesitant to get new rings. Which I've decided to do. I'll let a gunsmith do it.

id10t 12-25-2016 11:34 AM

Quote:

Originally Posted by targa911S (Post 9408539)
the front ring has a foot on it that twists into the base so it does in fact turn left to right. the rear one has a screw on either side holding it in place on the base. These screws can also be used to adjust windage. Bedding a scope is essential on rimfire guns.

Huh Never heard that one . I do bed the receiver and sometimes part of the barrel channel. Will often add a pillar for the take down screws as well.

targa911S 12-25-2016 01:04 PM

Whaaaaaat? Never heard of Leupold dove tail mounting system?

http://forums.pelicanparts.com/uploa...1482703447.jpg

targa911S 12-25-2016 01:07 PM

http://forums.pelicanparts.com/uploa...1482703622.png

svandamme 12-26-2016 01:47 AM

Quote:

Originally Posted by targa911S (Post 9408539)
the front ring has a foot on it that twists into the base so it does in fact turn left to right. the rear one has a screw on either side holding it in place on the base. These screws can also be used to adjust windage. Bedding a scope is essential on rimfire guns.

I mean, the ring itself would not be damanged, it could be loose from a hit, but i doubt it would be damaged itself.
It can be rebedded withou replacing, right?


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