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Need help on first Build

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Need help on first Build
TheDroz66 Offline
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#1
03-23-2014, 09:19 PM
I am finally starting on my first build and right off the bat I have a question. First I have 20" Lilja 704 profile barrel and a seekins IRMT-3 upper. They will not go together - very tight. Just wondering if I need to put the barrel in the freezer and warm the upper up. Is this the best option or is there a better way?
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TheDroz66 Offline
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#2
03-23-2014, 10:36 PM
Got it to fit. upper in the oven at 200 for 7-8 min and the barrel in the freezer for an hour and they slid together perfectly!!
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NugginFutz Offline
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#3
03-23-2014, 10:50 PM
Don't you just love it when a plan comes together? Good job. You've clearly been doing your research.
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TheDroz66 Offline
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#4
03-23-2014, 10:56 PM
Yes, and thanks. Hopefully will have time to finish tonight and will post pics when done.
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cbe1962 Offline
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#5
03-24-2014, 12:50 AM
Good to hear it is coming together for you. Look forward to the pics.
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joker31
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#6
04-16-2014, 10:01 PM
not sure how your going to get it apart if you have to, Im assuming it was very tight. I heard the Seekins uppers are tight, I want to try one soon for one of my next builds.
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TheDroz66 Offline
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#7
04-17-2014, 01:29 AM
joker31 Wrote:not sure how your going to get it apart if you have to, Im assuming it was very tight. I heard the Seekins uppers are tight, I want to try one soon for one of my next builds.

I have been wondering the same thing. I hope I never need to take it apart. Within second of putting them together I could not move the barrel at all. I am sure someone here has had to take apart an upper and barrel that were incredibly tight!?
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NugginFutz Offline
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#8
04-17-2014, 01:53 AM
I've read several cases of people using hairdryers with great success to do the deed.
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VASCAR2 Offline
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#9
04-17-2014, 02:22 PM
Bill A said Kroil, low heat and a lot of patience.
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TheDroz66 Offline
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#10
04-17-2014, 06:35 PM
Good to know! Thanks!
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NugginFutz Offline
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#11
04-17-2014, 06:57 PM (This post was last modified: 04-17-2014, 06:59 PM by NugginFutz.)
VASCAR2 Wrote:Bill A said Kroil, low heat and a lot of patience.

I believe the Kroil (or other penetrating oils) is for releasing a loctited assembly, such as free float tube, or a barrel that was bedded with loctite. I don't believe thedroz66 used (or needed) any loctite on this barrel and upper. In a case such as this, heating the upper and removing the barrel, before it warms, should be all that is required. Penetrating oil couldn't hurt, I suppose.
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joker31
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#12
04-18-2014, 02:10 AM
I use kroil for a ton of stuff too, started with using it to help lap chambers with JB paste
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