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FL, USA
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Posted: 3/21/2024 7:30:47 PM EDT
[Last Edit: RRsAR]
Something is wrong with the Geissele barrel nut.
In order for the mounting screw to catch the grove in the barrel nut, I have to keep the barrel nut loose. If I hand tighten as far as it will, the screw will not go in the grove. I ended up damaging the anodizing trying to force the screw in. https://imgur.com/a/guXEu1n Any ideas what’s wrong? Is it the barrel nut or handguard? The build is new. https://youtu.be/Xjzv5PKJNxY?feature=shared |
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Posted: 3/21/2024 7:39:14 PM EDT
[Last Edit: Advance]
[#1]
Don't butt the handguard up against the upper.
Edit: You need barrel shims. https://www.wingtactical.com/firearm-parts/ar-15-parts/handguards-rails/rail-system-parts-accessories/aero-precision-ar15-barrel-nut-shim-kit/ |
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MN, USA
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Posted: 3/21/2024 10:40:23 PM EDT
[#2]
Originally Posted By RRsAR: Something is wrong with the Geissele barrel nut. In order for the mounting screw to catch the grove in the barrel nut, I have to keep the barrel nut loose. If I hand tighten as far as it will, the screw will not go in the grove. I ended up damaging the anodizing trying to force the screw in. https://imgur.com/a/guXEu1n Any ideas what’s wrong? Is it the barrel nut or handguard? The build is new. https://youtu.be/Xjzv5PKJNxY?feature=shared Where's the barrel? |
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Posted: 3/21/2024 10:50:00 PM EDT
[Last Edit: seand1111]
[#3]
lol.
When you have the barrel in place, the nut does not go tight against the receiver face. It stands off just a bit and tightens against the barrel extension. Hence why it works when you have the nut a little loose… |
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FL, USA
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Posted: 3/22/2024 1:24:33 AM EDT
[Last Edit: RRsAR]
[#4]
Quote HistoryOriginally Posted By seand1111: lol. When you have the barrel in place, the nut does not go tight against the receiver face. It stands off just a bit and tightens against the barrel extension. Hence why it works when you have the nut a little loose… I could’ve sworn I test fitted everything without the barrel mounted but apparently not. My neighbor ended up coming over and told me to install the barrel and no issues at all. Disregard my stupidity…. Thanks! |
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Posted: 3/22/2024 8:42:09 AM EDT
[#5]
Quote HistoryOriginally Posted By RRsAR: I could’ve sworn I test fitted everything without the barrel mounted but apparently not. My neighbor ended up coming over and told me to install the barrel and no issues at all. Disregard my stupidity…. Thanks! You're not the first, nor the last. 
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Posted: 3/22/2024 4:02:13 PM EDT
[#6]
Quote HistoryOriginally Posted By TGWLDR: You're not the first, nor the last. Hell yeah! I have built numerous AR's and way more uppers and still do that sometimes when test fitting a rail to an upper receiver. |
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USA
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Posted: 3/28/2024 9:00:05 AM EDT
[#7]
Quote HistoryOriginally Posted By RRsAR: I could’ve sworn I test fitted everything without the barrel mounted but apparently not. My neighbor ended up coming over and told me to install the barrel and no issues at all. Disregard my stupidity…. Thanks! is that why the pics, video are deleted? others want to see, perhaps learn, perhaps LOL. so not fair. 
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USA
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Posted: 3/28/2024 9:04:25 AM EDT
[Last Edit: x248716x]
[#8]
oops, dupe posting. glitch in the matrix.
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