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 MGC 68 MP40 deactivated restoration

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ljerr2
Modelgun Master
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Number of posts : 398
Location / Country : Iowa, USA
Registration date : 2008-11-26

PostSubject: MGC 68 MP40 deactivated restoration   Wed Dec 05, 2018 4:19 am

Hi guys-

Just thought I'd share my experience with restoring a "deactivated" MGC 68 MP40.
I took on this project for a friend and fellow forum member. I wasn't sure what I'd get into as I've never had one of these models. Many of these imported to the US were modified to not be able to fire. The challenge was to see if we could get this one to a firing model. I've done it a number of times with the MGC Thompson, but I have never touched an MP40.

The barrel nut was secured by two nested roll pins, so removing them was the first step.
The barrel had a steel plug press fit into it at the chamber end. After removing the steel plug, I noticed that the barrel was fully blocked, end to end. I was unable to detect any ferrous metal in the barrel, so I decided to drill it for venting purposes.
The zinc chamber was also blocked. I removed the blockage and sized the hole appropriately to fit the p220 custom detonator.
Some other minor tweaks and it was ready to roll. Tested it and I was pleasantly surprised. However, during the test shots the little feed lip on the bolt face gave out and that had to be repaired. Another friend hooked me up with a steel bolt face for the zinc bolt - amazing! Smile

Long story short, the restoration was a success I think! Keep in mind this particular MP40 was never meant to be a firing model! Here's a quick 10 round test using KD220 carts and MGC 7mm caps:

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Chris Rush
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Number of posts : 71
Age : 69
Location / Country : 19352 Pennsylvania United States
Registration date : 2015-03-07

PostSubject: MGC68 MP40 restoration project   Wed Dec 05, 2018 7:39 am

Thanks.
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8ace
Modelgun Perfectionist
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Number of posts : 2394
Location / Country : UK
Registration date : 2008-08-06

PostSubject: Re: MGC 68 MP40 deactivated restoration   Wed Dec 05, 2018 7:48 am

Great work. Nice to see another one back to firing condition.

8ace
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claymore
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Number of posts : 810
Age : 58
Location / Country : London
Registration date : 2008-09-07

PostSubject: Re: MGC 68 MP40 deactivated restoration   Wed Dec 05, 2018 11:20 am

Nice work on the restoration, how long did it take?
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mystikchepas
Modelgun Enthusiast
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Number of posts : 121
Location / Country : France
Registration date : 2013-05-15

PostSubject: Re: MGC 68 MP40 deactivated restoration   Wed Dec 05, 2018 11:53 am

This is really good Smile
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capuetz
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Number of posts : 16
Location / Country : Tehachapi, CA, USA
Registration date : 2016-09-10

PostSubject: MGC 68 MP40 deactivated restoration   Thu Dec 06, 2018 2:59 pm

Great Work. Question where can I purchase the MGC 7mm caps in the USA? I have several MGC68 MP-40's I am in the process of restoring which take time and $$$.
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MadMike
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Number of posts : 369
Location / Country : Germany (Stuttgart)
Registration date : 2008-08-06

PostSubject: Re: MGC 68 MP40 deactivated restoration   Fri Dec 07, 2018 4:51 pm

Stunning work, Jerrod! You have done a great job. A big thumps up from me.
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philb
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Number of posts : 82
Location / Country : Anglia
Registration date : 2016-01-31

PostSubject: Re: MGC 68 MP40 deactivated restoration   Sat Dec 08, 2018 7:22 am

years ago ww2 reenactors used to convert these to fire 9mm blanks

good ones used to sell for 1000
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