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Ak rear trunnion pressing help https://www.waguns.org/viewtopic.php?f=26&t=84674 |
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Author: | machineghoul [ Tue Sep 19, 2017 10:15 am ] |
Post subject: | Ak rear trunnion pressing help |
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? Sent from my STV100-1 using Tapatalk |
Author: | GrandpaBlueArms [ Fri Jun 01, 2018 3:00 pm ] |
Post subject: | Re: Ak rear trunnion pressing help |
Did you have any luck finding someone? I too am in need of assitance |
Author: | MadPick [ Fri Jun 01, 2018 3:17 pm ] |
Post subject: | Re: Ak rear trunnion pressing help |
Welcome to WaGuns, guys. |
Author: | TINCANBANDIT [ Fri Jun 01, 2018 3:24 pm ] |
Post subject: | Re: Ak rear trunnion pressing help |
contact member Tactical Assault, he has the tools and experience to fix it right |
Author: | TacticalAssault [ Wed Jul 18, 2018 7:09 pm ] |
Post subject: | Re: Ak rear trunnion pressing help |
TINCANBANDIT wrote: contact member Tactical Assault, he has the tools and experience to fix it right Indeed. It can be a bitch but I have everything and then some to cover any aspect of AK badssery. |
Author: | todd1803 [ Wed Jul 18, 2018 7:19 pm ] |
Post subject: | Re: Ak rear trunnion pressing help |
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. Sent from my Nexus 10 using Tapatalk |
Author: | TacticalAssault [ Wed Jul 18, 2018 7:59 pm ] |
Post subject: | Re: Ak rear trunnion pressing help |
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. Sent from my Nexus 10 using Tapatalk 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. |
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