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 Ak rear trunnion pressing help 
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Location: Lakewood
Joined: Thu Jun 8, 2017
Posts: 1
Real Name: Damian
Got a MAK 90 that sheared its rear trunnion pins and need to get it fixed. Anyone near Olympia or Lakewood have AK jigs and a shop press?

Also, does anyone have advice to offer for dimpling the thick Chinese receiver? Do I also dimple the trunnion or can it just be chamfered with a drill?ImageImage

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Tue Sep 19, 2017 10:15 am
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Location: Snoqualmie
Joined: Fri Jun 1, 2018
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Did you have any luck finding someone? I too am in need of assitance


Fri Jun 01, 2018 3:00 pm
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Location: Renton, WA
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Welcome to WaGuns, guys. :wavey:

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Fri Jun 01, 2018 3:17 pm
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Location: Auburn West Hill
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contact member Tactical Assault, he has the tools and experience to fix it right

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Fri Jun 01, 2018 3:24 pm
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Location: Woodinville
Joined: Fri Mar 11, 2011
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TINCANBANDIT wrote:
contact member Tactical Assault, he has the tools and experience to fix it right



:thumbsup2:

Indeed. It can be a bitch but I have everything and then some to cover any aspect of AK badssery. :AR15firing:

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Wed Jul 18, 2018 7:09 pm
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Location: Bonney Lake WA
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Please forgive my ignorance on this platform, and my jumping off topic, but is this area a common failure point? Is it basically a rivet?

Thanks, curiosity was bugging me.

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Wed Jul 18, 2018 7:19 pm
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Location: Woodinville
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todd1803 wrote:
Please forgive my ignorance on this platform, and my jumping off topic, but is this area a common failure point? Is it basically a rivet?

Thanks, curiosity was bugging me.

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It's not basically a rivet...it IS a rivet. Two in fact. I wouldn't say it's "common" but it does happen on high mileage AK's or ones that have had the wrong rivets installed and incorrectly pressed. I have owned and built more than a few AK's and I have never had it happen to me. The reason is because all the mass of the bolt and carrier slams into that rear trunnion/stock tang every time it's fired. After repeated use they can fail. A lot of guys will put a recoil buffer in there which is actually doing more harm than good. Leave the recoil buffers out and periodically check the stock for front to rear movement. Adding to that, I recommend removing the stock and checking the trunnion itself for the movement because sometimes the stocks fit so tight into the receivers that they won't wiggle if installed. :thumbsup2:

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Wed Jul 18, 2018 7:59 pm
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