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Rimfire Firearms .22, .17 and other Rimfire Handguns and Rifles

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  #1  
Old 03-02-2017, 3:39 PM
creampuff creampuff is offline
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Default HK/Umarex MP5 A2 fixed stock install

Since Umarex is no longer producing the A2 fixed stock for their MP5 22LR, I purchased a used real MP5 A2 stock. Whether it is a genuine HK or it is for MP5 9mm clone, I am not real sure. But certainly the quality is better than a cheap airsoft stock. I could tell, because the insert in the inside of the stock was metal, and pretty tough to dremel away.

The distance from the outside of the left pathway for the rails to the outside of the right pathway is 1 inch exactly on the mp5 22LR. However the distance on the genuine stock between the guide rails is 1 and 5/32 inch. So it just meant dremeling off 5/32 inch total, or 5/64 inch off of each sides. It is just plastic so it dremeled off quickly.

After that the stock inserted easily, except the pin hole did not match up exactly. It wasn't drastically off, but enough that the pin would not insert. This portion of the hole was reinforced with a metal insert, so it was more resistant to my aluminum oxide grinding stone. I ended up taking my round metal file and opened up the hole just enough so the pin would insert. I'll admit that is not an aesthetically pleasing looking hole that I widened with the file. But I don't own safe queens.

Voila..A2 stock for the MP5 22LR. Very snug fit, with no wiggle at all. I believe the GSG is different so I don't know if the a2 stock can be dremeled for the GSG.

http://www.gatewoodsupplyco.com/Germ...sed_p_268.html






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  #2  
Old 03-03-2017, 9:21 AM
marcopolo_9mm marcopolo_9mm is offline
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Cool - good to know. I would think having a proper cheek weld, along with a fully co-witnessed red dot would make this gun more accurate.

For me though, I like the collapsible stock and I deliberately have my red dot not co-witnessed so no cheek weld is necessary. It's accurate enough for me lol.
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  #3  
Old 09-17-2017, 3:52 PM
Foesbane77 Foesbane77 is offline
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Default Modifying the mp5 A2 stock to fit 22lr rifle

Could someone please explain what needs to be dremeled down
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Old 09-18-2017, 6:21 AM
creampuff creampuff is offline
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photobucket has removed embedded images, so I've attached my old images.
Attached Images
File Type: jpg re1IMG_2450.JPG (74.8 KB, 51 views)
File Type: jpg re2IMG_2448.JPG (71.0 KB, 42 views)
File Type: jpg IMG_2452.JPG (44.8 KB, 44 views)
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  #5  
Old 09-18-2017, 7:13 AM
Foesbane77 Foesbane77 is offline
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So I take 1inch off of each rail?
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Old 09-18-2017, 7:16 AM
Foesbane77 Foesbane77 is offline
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Thank you by the way
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Old 09-18-2017, 7:19 AM
Foesbane77 Foesbane77 is offline
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Or 5/64 off of each rail?
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Old 09-18-2017, 7:34 AM
creampuff creampuff is offline
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Quote:
Originally Posted by Foesbane77 View Post
So I take 1inch off of each rail?
No way.

Quote:
Originally Posted by Foesbane77 View Post
Or 5/64 off of each rail?
Yes Just mark 5/64 on each side with a sharpie so you keep the dremelling balanced on each side.
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Old 09-18-2017, 7:47 AM
Foesbane77 Foesbane77 is offline
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Thank you very much Have an awesome day
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Old 09-18-2017, 5:30 PM
Foesbane77 Foesbane77 is offline
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By the way when I take the 5/64 off when I dremel do I flatten the round rail or dremel the whole round
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Old 09-19-2017, 10:20 PM
creampuff creampuff is offline
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Quote:
Originally Posted by Foesbane77 View Post
By the way when I take the 5/64 off when I dremel do I flatten the round rail or dremel the whole round
Just take a little bit off at a time. And then fit the stock and keep going. You'll want a snug fit. The material dremmels off quickly
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Old 09-20-2017, 7:09 AM
Foesbane77 Foesbane77 is offline
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Thank you . You have been a great help to me . Waiting on my used stock to arrive
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Old 10-06-2017, 3:24 PM
Foesbane77 Foesbane77 is offline
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Got my stock and followed directions from cream puff. Thank you so much. Worked great
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