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Universal Carbine Help

This is a discussion on Universal Carbine Help within the Gunsmithing forums, part of the M14 M1A Forum category; Can not modify GI slide. His Universal is a late version where the slide is stamped and welded steel. The receiver slide slot is different ...


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Old February 17th, 2017, 03:15 PM   #16
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Can not modify GI slide. His Universal is a late version where the slide is stamped and welded steel. The receiver slide slot is different and the slide takes two recoil springs. 1 spring on each side.

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Old February 17th, 2017, 05:21 PM   #17
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Didn't the early Universal's use GI parts? Here's some more info on Universal's

http://www.maxicon.com/guns/universa...m1_carbine.htm

Casey

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Old February 17th, 2017, 05:40 PM   #18
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Brand new ones on Gunbroker for $96

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Old February 17th, 2017, 07:26 PM   #19
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Quote:
Originally Posted by Earthquake View Post
Didn't the early Universal's use GI parts? Here's some more info on Universal's

http://www.maxicon.com/guns/universa...m1_carbine.htm

Casey
Yes early ones used GI parts but around 1966 the design was changed. The slide design was completely changed as was the receiver, Never heard of the early version cracking a slide. In fact ever early one I ever saw had a GI slide on it. The later slides use a stamped rear half welded to a block. The slide has a cut out in the side for the bolt cam. Because of this cut out section the slide is not nearly as strong as a GI slide. As the rear half is stamped steel the cam cuts are cut completely thru the slide.

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Old February 19th, 2017, 06:17 AM   #20
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Hey all. Here are some pics of what I did. Range test today. My fingers are crossed. If this does not work the then I will purchase another slide.

The screw holes are not in line because the drill bits (I broke 6 of them) would not drill through the previous weld. Oh and I broke 2 taps. Darn thing.
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Old February 19th, 2017, 06:19 AM   #21
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Another pic.

Before the range test I will sand off the rough spots from the jb weld.
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Old February 19th, 2017, 06:30 AM   #22
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Please at least wear safety glasses, I'm being serious.

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Old February 19th, 2017, 06:39 AM   #23
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That's the plan! Thanks... before the jb weld, the gun would cycle back to battery on an empty case and a live case. I will absolutely be safe and more than likely test one round in the mag at a time. I also plan to not cheek weld this for the first few tests. I have a bench and a piece of thick weld blanket (the high temp stuff) that I will lay over too the action. It'll be fine.

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Old February 19th, 2017, 06:49 AM   #24
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Just be safe, would hate for you to lose a finger or and eye over a 100 bucks! Inspect it closely after each shot it will likely so signs of cracking before it completely flies apart.

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Old February 19th, 2017, 06:51 AM   #25
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https://youtu.be/GVmeeYwEiQw

Lol.. good luck

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Old February 19th, 2017, 07:50 AM   #26
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I understand not wanting to spend more money on this carbine. So throw it away! Trying to rig up this part makes no sense at all. Even if it does work for a while you'll always have a rifle that you won't trust to fire the next round. And I wouldn't trust firing this with a face shield, they only stop so much!

Hopefully I've convinced you to buy the correct new part or drop it off at your police station if nothing else.

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Old February 19th, 2017, 08:57 AM   #27
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Six broken drill bits and two taps?..

There's your sign!

No "atta boy" from me for "rigging" a part when the parts are available for probably what you spent for the bits, taps and time involved.

You have successfully created a potential danger to yourself or anyone else that ever picks up that rifle.

All this is IMHO..

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Old February 19th, 2017, 09:00 AM   #28
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Yep... 6 bits and 2 taps. One of those moments where once I started it was going to be finished.

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Old February 19th, 2017, 09:01 AM   #29
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Range test sat!

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Old February 19th, 2017, 09:13 AM   #30
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I do thank all of you for your concerns. Honestly. But let's discuss potential dangers for this part of it were to fail again. What would happen? Well, it won't cycle. It won't fire. It won't shoot out of battery. The bolt went fully forward to battery and that it how I set it, I can't rotate any further, nor could it wiggle forward or back so the lockup was tight. Sure there will be a moment where I wonder if it'll work but this by no means is a home defense gun or stake my life on it gun. I have other guns for that. My only worry in this project was the head space and that has been resolved. Please someone explain what else could potentially go wrong other than another malfunction i.e. the part breaks again that is potentially hazardous to health. I am not trying to sound naive or obtuse in this and I would not have done it had I thought for a second that it would be unsafe. Again if it breaks again, the cycle of operations ceases, the gun stops firing. I have to extract the spent case by hand with the charging handle which would not be attached to the slide at that moment. How is this dangerous? Granted the gun wouldn't work and I would have to stop shooting at that point but until then? I will say however if it does happen again I most certainly will buy another part. Ok, let the roasting begin... please explain where the dangers are. I will accept all cautions and take it all on board. Thanks all.

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