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4/22/2019 5:32:20 PM
Posted: 8/12/2014 9:49:50 PM EDT
I have my stamp finally and wanted to know the proper length to cut the shroud. I will have a walther 1/2 x 28 adapter for my suppressor. I have laid it out and come up with Cutting 7 1/8 from the end. Seem about right?
Link Posted: 8/17/2014 11:54:50 PM EDT
Did you have your barrel threaded or did you buy a new barrel and where did you get it?
Link Posted: 8/19/2014 8:56:00 PM EDT
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Originally Posted By PDXsparky:
Did you have your barrel threaded or did you buy a new barrel and where did you get it?
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I had to have it cut at 9" and rethreaded. Umarex is out of stock and has no idea when they will get any more.
Link Posted: 8/20/2014 11:40:18 PM EDT
Here's a link with a full write up on SBR'ing the Umarex MP5. Hope it helps.

SBR MP5 .22
Link Posted: 8/21/2014 11:58:47 PM EDT
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Originally Posted By BigHunter27:
Here's a link with a full write up on SBR'ing the Umarex MP5. Hope it helps.

SBR MP5 .22
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Thanks for the link. I also want to SBR my HK MP5 22
Link Posted: 8/22/2014 9:53:01 AM EDT
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Originally Posted By dbl00buck:


I had to have it cut at 9" and rethreaded. Umarex is out of stock and has no idea when they will get any more.
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Originally Posted By dbl00buck:
Originally Posted By PDXsparky:
Did you have your barrel threaded or did you buy a new barrel and where did you get it?


I had to have it cut at 9" and rethreaded. Umarex is out of stock and has no idea when they will get any more.


I've been calling Umarex for months for a 9" barrel with no luck. Where did you send your barrel to have it cut and re-threaded?
Link Posted: 8/22/2014 5:34:34 PM EDT
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Originally Posted By BigHunter27:


I've been calling Umarex for months for a 9" barrel with no luck. Where did you send your barrel to have it cut and re-threaded?
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Originally Posted By BigHunter27:
Originally Posted By dbl00buck:
Originally Posted By PDXsparky:
Did you have your barrel threaded or did you buy a new barrel and where did you get it?


I had to have it cut at 9" and rethreaded. Umarex is out of stock and has no idea when they will get any more.


I've been calling Umarex for months for a 9" barrel with no luck. Where did you send your barrel to have it cut and re-threaded?


I know a guy. lol, I have had others barrels cut or threaded from same guy in Northeast Ohio. On the steep end for a cut and thread job. But when you need it done, gotta get it done. If you cant find anybody local IM me I can give you his info. He has had it for 2 weeks now. Hopefully not to long more.
Link Posted: 8/22/2014 5:35:28 PM EDT
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Originally Posted By BigHunter27:
Here's a link with a full write up on SBR'ing the Umarex MP5. Hope it helps.

SBR MP5 .22
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Thanks that was exactly what I needed.
Link Posted: 9/3/2014 2:21:40 PM EDT
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Originally Posted By dbl00buck:


I had to have it cut at 9" and rethreaded. Umarex is out of stock and has no idea when they will get any more.
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Originally Posted By dbl00buck:
Originally Posted By PDXsparky:
Did you have your barrel threaded or did you buy a new barrel and where did you get it?


I had to have it cut at 9" and rethreaded. Umarex is out of stock and has no idea when they will get any more.


If the barrel is cut at ~9" does that put the sleeve flush with the front sight or about a 1/2" in front of it? I want mine to look identical to the factory MP5 barrel. I plan for the adapter to be nearly flush with the front sight and then I plan to add a HK three lug adaptor.
Link Posted: 9/3/2014 8:29:28 PM EDT
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Originally Posted By Napalmsticks:


If the barrel is cut at ~9" does that put the sleeve flush with the front sight or about a 1/2" in front of it? I want mine to look identical to the factory MP5 barrel. I plan for the adapter to be nearly flush with the front sight and then I plan to add a HK three lug adaptor.
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Originally Posted By Napalmsticks:
Originally Posted By dbl00buck:
Originally Posted By PDXsparky:
Did you have your barrel threaded or did you buy a new barrel and where did you get it?


I had to have it cut at 9" and rethreaded. Umarex is out of stock and has no idea when they will get any more.


If the barrel is cut at ~9" does that put the sleeve flush with the front sight or about a 1/2" in front of it? I want mine to look identical to the factory MP5 barrel. I plan for the adapter to be nearly flush with the front sight and then I plan to add a HK three lug adaptor.


I'm still waiting on my barrel, any day now. But I cut the shroud down 7.25" from the end and it is about 1" from sight.I can slip the fake lug on and there is about .25" of shroud. I have a walther adapter so I can put my suppressor on.
Link Posted: 9/10/2014 12:16:27 PM EDT
[Last Edit: 9/10/2014 12:17:19 PM EDT by Napalmsticks]
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Originally Posted By dbl00buck:


I'm still waiting on my barrel, any day now. But I cut the shroud down 7.25" from the end and it is about 1" from sight.I can slip the fake lug on and there is about .25" of shroud. I have a walther adapter so I can put my suppressor on.
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Originally Posted By dbl00buck:
Originally Posted By Napalmsticks:
Originally Posted By dbl00buck:
Originally Posted By PDXsparky:
Did you have your barrel threaded or did you buy a new barrel and where did you get it?


I had to have it cut at 9" and rethreaded. Umarex is out of stock and has no idea when they will get any more.


If the barrel is cut at ~9" does that put the sleeve flush with the front sight or about a 1/2" in front of it? I want mine to look identical to the factory MP5 barrel. I plan for the adapter to be nearly flush with the front sight and then I plan to add a HK three lug adaptor.


I'm still waiting on my barrel, any day now. But I cut the shroud down 7.25" from the end and it is about 1" from sight.I can slip the fake lug on and there is about .25" of shroud. I have a walther adapter so I can put my suppressor on.


If it isn't too much trouble please post pictures when you get everything back.
Link Posted: 9/10/2014 7:51:03 PM EDT
You betcha. This waiting sucks!
Link Posted: 9/10/2014 7:58:55 PM EDT
Where is everyone engraving? Just received my stamp. Called umarex a few days ago. The pistol barrels are on the way. Said 2 weeks.
Link Posted: 9/10/2014 8:17:08 PM EDT
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Originally Posted By tbuck:
Where is everyone engraving? Just received my stamp. Called umarex a few days ago. The pistol barrels are on the way. Said 2 weeks.
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I just dropped off mine at TSC Machine locally. He does a lot of H&K work and was very excited to SBR mine. He is engraving, cutting and enlarging the end of the barrel shroud and cutting, crowning and threading the barrel. He also gave me a good price. The thread adaptor will be flush with the front sight base and have the correct H&K look. I will shoot a few pics and pass on his info when it is done if anyone is interested.
Link Posted: 9/10/2014 8:32:45 PM EDT
I was wanting to know where on the gun itself. I'm assuming on one of the plastic half's
Link Posted: 9/10/2014 8:35:01 PM EDT
[Last Edit: 9/10/2014 8:39:01 PM EDT by Napalmsticks]
Left side just up and forward of the rear takedown pin hole on the metal receiver.

ETA: I think the receiver halves are metal, right?
Link Posted: 9/10/2014 9:06:26 PM EDT
Yes I think they are metal. Just tore mine appart.
Link Posted: 9/10/2014 10:01:27 PM EDT
So how is everyone getting the shroud out from the front sight tower? I was able to tear it down and put back together. Short of getting the shroud out.
Link Posted: 9/10/2014 10:07:56 PM EDT
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Originally Posted By tbuck:
So how is everyone getting the shroud out from the front sight tower? I was able to tear it down and put back together. Short of getting the shroud out.
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You have to remove the charging handle and use an extra long 2.5mm alan wrench to unscrew the cocking handle guide tube from the front sight post. Once you remove that the shroud will slide right out.
Link Posted: 9/10/2014 10:22:03 PM EDT
Right on thanks.


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Originally Posted By Napalmsticks:

You have to remove the charging handle and use an extra long 2.5mm alan wrench to unscrew the cocking handle guide tube from the front sight post. Once you remove that the shroud will slide right out.
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Originally Posted By Napalmsticks:
Originally Posted By tbuck:
So how is everyone getting the shroud out from the front sight tower? I was able to tear it down and put back together. Short of getting the shroud out.

You have to remove the charging handle and use an extra long 2.5mm alan wrench to unscrew the cocking handle guide tube from the front sight post. Once you remove that the shroud will slide right out.

Link Posted: 9/11/2014 8:22:05 PM EDT
[Last Edit: 9/12/2014 11:50:48 AM EDT by Napalmsticks]
Mine is done. All the work was done by TSC Machine in Ruther Glen, VA including engraving.




Link Posted: 9/11/2014 9:11:23 PM EDT
[Last Edit: 9/11/2014 9:34:22 PM EDT by tbuck]
It that a threaded adapter like all the threads I've seen on the internet? PM me contact info and how much he charges.

Thanks, Tom
Link Posted: 9/11/2014 10:04:46 PM EDT
[Last Edit: 9/11/2014 10:05:42 PM EDT by Napalmsticks]
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Originally Posted By tbuck:
It that a threaded adapter like all the threads I've seen on the internet? PM me contact info and how much he charges.

Thanks, Tom
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I used a 1/2 x 28 thread adapter and a 1/2 x 28 three lug adapter from hkparts.com. I will shoot you the requested info in the morning. Here is how it looks with the adapter removed:


-Rob

ETA: the barrel is 8.1"
Link Posted: 10/2/2014 6:47:05 PM EDT
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That looks awesome. I'm waiting on two Stamps right now, but I might go ahead and have my MP5 converted. What was the cost if you don't mind my asking?
Link Posted: 10/2/2014 7:39:59 PM EDT
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Originally Posted By AL25:



That looks awesome. I'm waiting on two Stamps right now, but I might go ahead and have my MP5 converted. What was the cost if you don't mind my asking?
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Originally Posted By AL25:



That looks awesome. I'm waiting on two Stamps right now, but I might go ahead and have my MP5 converted. What was the cost if you don't mind my asking?

He is charging $325 I think and includes engraving.
Link Posted: 11/26/2014 2:49:19 PM EDT
[Last Edit: 11/26/2014 2:50:39 PM EDT by BigHunter27]
Just got off of the phone with Umarex. The HK416 Pistol Barrels are IN STOCK

HK416 .22LR pistol barrel --- part #576.52.02 ---- 479-646-4210
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