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  #1  
Old 01-03-2021, 01:50 AM
lennnorment lennnorment is offline
 
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Default Demilled recievers

I saw some back halves of M14s at a local show recently. They were from real M14 rifles and not from some commercial rifles. They had been shear cut just forward of the rear sight base. Other than a paper weight, what would these possibly be good for?

Last edited by lennnorment; 01-03-2021 at 02:01 AM.
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Old 01-03-2021, 04:47 AM
1563621 1563621 is offline
 
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I know many years ago there were rewelds of these. I think they had a license to do it. Now , no, really just a item to place on shelf for memories, Good & Bad!
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Old 01-03-2021, 06:01 AM
nf1e nf1e is offline
 
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Paper weights is about the best idea for them.
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  #4  
Old 01-03-2021, 06:24 AM
TLB TLB is offline
 
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At one show a few years ago, someone had cut off heals behind the sight ears and mounted one of each manufacturer at the quarter hour, making a custom clock.
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  #5  
Old 01-03-2021, 08:30 AM
Random Guy Random Guy is offline
 
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I have 4 heels, one from each manufacturer. I wish James River Armory was still offering to make civilian receivers out of them (ATF-complaint) - but they quit doing that a couple of years ago, so my de-milled heels are just sitting on a shelf gathering dust....

Last edited by Random Guy; 01-05-2021 at 12:57 PM.
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  #6  
Old 01-03-2021, 03:53 PM
Ted Brown Ted Brown is offline
 
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I have several receiver demills. I use them as a reference when checking tolerances on commercial receivers.
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  #7  
Old 01-03-2021, 05:03 PM
rickgman rickgman is online now
 
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Quote:
Originally Posted by Ted Brown View Post
I have several receiver demills. I use them as a reference when checking tolerances on commercial receivers.
Ted, I would be concerned that the huge mechanical stresses imparted on the receiver when it was sheared in two would deform the remaining piece to the point where it would not be useful as a reliable reference for dimensions. A part print would be far more reliable and would also give the tolerance range - not just the dimension of the speciic part in your possession.
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  #8  
Old 01-03-2021, 06:21 PM
Hawk Hawk is offline
 
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I have a bunch of them. In most cases, the bridge is damaged beyond repair. If I remember correctly, JRA only used demills that had an intact bridge. Might be the reason they stopped doing the welding due to there just not being enough of those with intact bridges.
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  #9  
Old 01-03-2021, 06:58 PM
fartblossom1953 fartblossom1953 is offline
 
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De-mill has changed with the passing of time. I have seen saw cut, torch cut, and sheared receivers as well as captain crunch bits. The best were the saw cut.
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  #10  
Old 01-04-2021, 10:01 AM
ZvenoMan ZvenoMan is offline
 
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Quote:
Originally Posted by rickgman View Post
Ted, I would be concerned that the huge mechanical stresses imparted on the receiver when it was sheared in two would deform the remaining piece to the point where it would not be useful as a reliable reference for dimensions. A part print would be far more reliable and would also give the tolerance range - not just the dimension of the speciic part in your possession.
Can't argue the value of a print but sometimes a 3D reference is best.
If you verify whatever dimensions you are using on the demilled part it doesn't matter what stresses it suffered.
Kind of like a go-no go gauge. It doesn't matter what it is or how it was made, if the key dimension is accurate (and it's a suitable material) then it works for that purpose.
In the warbird restoration field recovered wrecks are disassembled and many parts, clearly not airworthy are used in the same manner.

Again like the warbird field, demilled receivers have a value to some people simply because of what they were and where they may have been.

JH
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