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Gunsmithing Welding Scope mount to the reciever

Re: Welding Scope mount to the reciever

Than fix that first. I say NO to welding.
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: wco24u</div><div class="ubbcode-body">Hole spacing on the rear of the reciever is not in line with the front mounting holes. </div></div>
 
Re: Welding Scope mount to the reciever

i know there was some great arguing going on during the last time this subject was brought up
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Re: Welding Scope mount to the reciever

As an ex-welder and retired tool & die maker, personally I would never do it. If strength were the problem I would get one of the custom receivers with the mount machined in.
 
Re: Welding Scope mount to the reciever

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: wco24u</div><div class="ubbcode-body">Hole spacing on the rear of the reciever is not in line with the front mounting holes. </div></div>

How did you determine this? And no don't even think about welding the base to the receiver.
 
Re: Welding Scope mount to the reciever

I'd make sure the holes in the base aren't off first by trying another base. It doesn't have to be a high $ base, just something to eyeball off of, just to make sure you know which holes are off.

I wouldn't weld anything to a receiver. Ever.
 
Re: Welding Scope mount to the reciever

Hi i would never weld a reciever and if the holes are out a small amount have them drilled to a larger size in a mill to re alighn them if the worst is they are to far out a custom base with the holes ofset will work or have new holes drilled and tapped into a diferent place between the holes that are out then have the mount machined to suit.
 
Re: Welding Scope mount to the reciever

I have welded a couple ring pairs to the receiver.
Before the FBI put Federal Arms Corp out of biz, they imported from China a 91/30 type sniper mount for AK47s that required drilling and tapping.

But if once cut off the bottom half, they had 1" steel rings on a half arch.

I made a fixture but turning a rod on the lathe until it fit the bolt bore.
I turned a rod until it was 1" to fit in the rings.
I made two plates with V grooves in them.
I clamped the two rods between the plates.

The receiver and rings were then fixtured in position.
I welded the bottom of the half arch to the left side of the receivers.

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Scope mounts are often soldered to the receiver in $10k Mausers. This is the double bridge.

M_DSR.jpg

 
Re: Welding Scope mount to the reciever

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Clark</div><div class="ubbcode-body">I have welded a couple ring pairs to the receiver.
Before the FBI put Federal Arms Corp out of biz, they imported from China a 91/30 type sniper mount for AK47s that required drilling and tapping.

But if once cut off the bottom half, they had 1" steel rings on a half arch.

I made a fixture but turning a rod on the lathe until it fit the bolt bore.
I turned a rod until it was 1" to fit in the rings.
I made two plates with V grooves in them.
I clamped the two rods between the plates.

The receiver and rings were then fixtured in position.
I welded the bottom of the half arch to the left side of the receivers.

---------------------------------------

Scope mounts are often soldered to the receiver in $10k Mausers. This is the double bridge.

M_DSR.jpg

</div></div>

Hi dont even think that soldering and welding are the same, soldering is done at a low heat and does not change the properties of the steel but with welding you will change the structure of the steel. i have welded a lot of steel in my life and their are ways that things can be reduced in the way you change the properties like manganese type steels when welded with low hydrogen or other carbon steel electrodes if you tap the item welded onto them it just shatters off but if your urse stainless it is solid and the only way to attach lifting lugs to them safley to be remover later. aslo tig welding with the correct setup reduces excessive overheating of the item but in high carbon steels like actions the best thing is dont do it.

Now on an action like an AK the steel is crap and welding would not likley make the action weeker but it could by inducing stress points into one and one day the thing could just let go. if you had an action that does not actualy have any pressure like one with the lugs inside the barrel that the bolt locked into like an ar or rem pump rifle welding the reciever would not make it unsafe but any reciever that has to be an integral part in the locking of the lugs and holding the barrel in at over 60000psi is asking for trouble. their are rifles out there with lightweight alloy recievers but they dont take any pressure they just hold the bolt in lace and the trigger so the rifle can function.

The best thing is Never weld any rifle action or reciever because it might blow up.