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New Reising Owner


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#1 gregg877

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Posted 13 July 2017 - 01:29 PM

Hi All,

I've just taken delivery of a Reising M50 and am really excited about it. I took it out today to shoot it for the first time and for the most part it ran well, but had a couple of minor issues. When you insert a mag with rounds into the gun and try to charge it, the action bar goes fully to the rear, but the bolt stays closed. With no mag in i can cycle the action and the bolt goes in and out if battery with no problems. If i hold the bolt open and insert a mag, it chambers and runs full or semi auto no problem. I've had it apart and back together and cycles dummy rounds and snap caps no problem. I'm using 2 original 20 rounders and I have some of keystone Joe's 30's and all feed no problem. Any insights would be greatly appreciated. The gun is not a numerich, but an original bearing s/n 1062xx.

Thanks,

Gregg
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#2 jim c 351

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Posted 13 July 2017 - 02:33 PM

Gregg,

Please post a pic of your bolt and action bar, specifically the camming slot on each.

Advise that you do not do any more shooting until we have a look.

Jim C


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#3 gregg877

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Posted 13 July 2017 - 04:49 PM

Jim,

Thanks for the reply, here are the requested photos.Attached File  IMG_5564.JPG   182.25K   12 downloadsAttached File  IMG_5563.JPG   192.25K   13 downloadsAttached File  IMG_5570.JPG   128.13K   17 downloadsAttached File  IMG_5568.JPG   147.3K   16 downloadsAttached File  IMG_5569.JPG   169.09K   15 downloads

Let me know if you need to see something else or from a different angle.

Gregg
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#4 jim c 351

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Posted 13 July 2017 - 06:25 PM

Greg,

Well I compared your parts to my parts and can't see any significant differences.

The front top surface of your action bar cam surface seems a little battered, but that shouldn't cause the problem you describe.

Hopefully someone else will come along with a different idea.

Sorry I couldn't help.

Jim C


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#5 emmagee1917

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Posted 14 July 2017 - 12:53 PM

The only way I can see your problem happening is if the action bar disconnects from the bolt . Try charging it with the stock removed and see if anything shows up . Does it do it on safe / semi / full ?

Chris


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#6 Springman

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Posted 14 July 2017 - 08:42 PM

I just tried to recreate the problem you described, seems like if the bolt and action bar are mating together correctly , then the receiver must be so worn that a mag can push the bolt high enough to make the action bar miss the bolt? Does anybody think thats possible? 


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#7 jim c 351

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Posted 15 July 2017 - 06:09 AM

Gregg,

A long shot, but how about a pic of the top of the mag housing, where the action bar rides and the 2 pins that secure the housing.

Jim C


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#8 Springman

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Posted 15 July 2017 - 04:05 PM

Attached File  IMG_0045.jpg   128.13K   6 downloadsThis was the bolt that was in my Reising when I first bought it, I noticed this chip on the bolt while cleaning, the gun functioned perfectly even with the chipped bolt but I changed it out just because i knew it was a potential accident waiting to happen. I think your bolt and action bar are not the source of your problems.


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#9 gregg877

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Posted 18 July 2017 - 05:15 PM

I found the culprit; the rear block that the magwell is pinned to had a broken weld. I welded it back together the other night, but after a couple of bursts it broke again. Does anyone know if the magwell blocks were theeaded in? i can't imagine with the action bar slamming into it a small weld is enough to hold it in place.

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#10 Springman

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Posted 18 July 2017 - 08:58 PM

Take a few good measurements,  remove the block completely, grind off all of the old weld, tig weld the block back in the correct location, and try it again. I am sure it can be fixed.


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#11 emmagee1917

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Posted 19 July 2017 - 12:20 PM

Yes , they are threaded about three turns , then about half of the top half of threads are cut away in a front to rear "U" . A very poor design and a definate weak spot .

Chris


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#12 gregg877

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Posted 05 October 2017 - 04:31 PM

Hey guys, thank you for the multiple replies and info. I took the gun To Dan Cullity restoration in Sandwich Ma, he is very reputable and a skilled craftsman. He re-attached the block and test
Fired it and was good to go.

I picked it up and took it to the range today; 1- 3 round burst and the bolt would not come back with the action bar. I pulled the gun apart and discovered that the rear of the cam slot on the bolt sheared right off. I'll post pictures in a little bit... but I am seriously bummed.

Gregg
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#13 gregg877

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Posted 05 October 2017 - 04:56 PM

Here are some pictures... I talked to Joe at Keystone, he said he may have some bolts but was getting ready to head to the creek and to check back. There doesn't seem to be any others original or other wise anywhere right now. My serial number is 106251.

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Edited by gregg877, 05 October 2017 - 05:20 PM.

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#14 skoda

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Posted 05 October 2017 - 07:20 PM

Try to find a shop that can weld and remachine it. At least keep it in oil so you can have it repaired in the future even if you get a bolt from Keystone.


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#15 emmagee1917

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Posted 06 October 2017 - 04:53 PM

I think  we've had several here that are around that range fail there . I think it might have been a bad batch of bolts .

Chris


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#16 gregg877

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Posted 21 October 2017 - 07:28 AM

Well... after many trials and tribulations i aquired two bolts, neither of which were complete. One is original and the other appears to be brand new/ new manufacture. I pulled what I needed off of the broken one and made the original complete. It head spaces and cycles dummies out of both original 20 rounders and my keystone christie mags.... hopefully out for a test fire today.
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#17 gregg877

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Posted 21 October 2017 - 05:20 PM

Success!! It lives...

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#18 dalbert

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Posted 21 October 2017 - 09:20 PM

gregg877,

 

Glad to hear that it works, and to see the video.  

 

David Albert

dalbert@sturmgewehr.com


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