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Old September 22, 2018, 02:14 PM   #1
gregnsara
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AR 15 buffer tube fitting problem

I just got an ATI commercial buffer tube and a Mako Fab Defense survival stock. The stock said it fits comm. and mil spec both. The buffer tube is 1.168" and the opening in stock is 1.18", but tube won't go in stock at all. I had it about halfway in and barely got it back out. Am I doing something wrong?
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Old September 22, 2018, 07:23 PM   #2
stagpanther
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I'm sure you know this--but are you pulling the lever which disengages the lock pin down far enough to get started on the buffer tube?
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Old September 22, 2018, 08:53 PM   #3
Mobuck
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MORE GREASE
(that's what she said)
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Old September 22, 2018, 09:40 PM   #4
Sharkbite
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Quote:
The stock said it fits comm. and mil spec both
Im not sure thats possible. The tubes are different diameters. So, if it fits the small..it will not fit the big. If it fits the big...it will be loose on the small
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Old September 22, 2018, 10:00 PM   #5
gregnsara
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I tried it on a mil spec tube and it fits fine. The package clearly says it will fit both. It's tight right from the start. To me it looks like it's tight on top and bottom so I'm wondering if it has been misshapen somehow.
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Old September 23, 2018, 09:52 AM   #6
ed308
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From what I've read about those stocks, they are difficult to get on until you get past the tensioners in the stock. But I'd stick with the milspec tube.
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Old September 23, 2018, 10:30 AM   #7
gregnsara
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Ya I beat it all the way on and it was tight enough that it was a chore to beat it back out. It either is mil spec and marked wrong or somehow maybe it has gotten misshapen.
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Old September 23, 2018, 10:50 AM   #8
stagpanther
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Tubes are generally cheaper than stocks--or just return the stupid thing.
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Old September 23, 2018, 11:05 AM   #9
marine6680
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Return the buffer tube you have now for a true milspec tube. Milspec tubes are stronger anyway.

Unless that isn't an option...
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