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Old 07-19-2018, 09:31 PM   #1
bulldog1776
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Default AR15 Bolt



Is this the right amount an ar bolt should close? I think it's normal but you can see a tiny space towards the front.

Thanks guys
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Old 07-19-2018, 10:57 PM   #2
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"tiny space", you say?

Got a bigger picture? ( a link will do )
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Old 07-19-2018, 11:07 PM   #3
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The best I could tell from that pic is that the bolt isn't all the way closed. You shouldn't see any gap between the carrier and ejection port.
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Old 07-19-2018, 11:33 PM   #4
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If your talking about a small gap between the front shoulder of the carrier
and the front edge of the ejection port, that is normal.
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Old 07-19-2018, 11:44 PM   #5
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Quote:
Originally Posted by Nacho Man View Post
If your talking about a small gap between the front shoulder of the carrier
and the front edge of the ejection port, that is normal.
I think that is what it is.

This should be a bigger pic link

http://imgdump4.novarata.net/view-im...375dd2ef75.jpg
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Old 07-19-2018, 11:48 PM   #6
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Quote:
Originally Posted by bulldog1776 View Post
I think that is what it is.

This should be a bigger pic link

http://imgdump4.novarata.net/view-im...375dd2ef75.jpg
Rifle is fine
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Old 07-19-2018, 11:58 PM   #7
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Yeah looks gtg, I think you have one of those new enhanced bolt carriers.
Those are shaped a little different than the standard type.
But every Ar15 I've owned had that gap to some extent.
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Old 07-20-2018, 05:12 PM   #8
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Is that a 9MM? I don't see gas ports.
It looks ok from the pic but that's not a standard bolt carrier either
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Old 07-20-2018, 05:17 PM   #9
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Quote:
Originally Posted by carbine85 View Post
Is that a 9MM? I don't see gas ports.
It looks ok from the pic but that's not a standard bolt carrier either
Why 9mm?

It could be a gas-piston-driven rifle.
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Old 07-20-2018, 07:07 PM   #10
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Thanks guys for the help.

It is a piston driven, chambered in 5.56
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Old 07-20-2018, 10:21 PM   #11
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On my piston drive there should be a slight gap between the piston rod and the carrier.
that is so the carrier is not bottoming out on the piston . Be sure to check that .

I used some plastic gauge on mine when I installed it .
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Old 07-22-2018, 07:45 AM   #12
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Quote:
Originally Posted by nalioth View Post
Why 9mm?

It could be a gas-piston-driven rifle.
Because the 9mm doesn't have gas ports. They are blow back.
I wasn't thinking about piston.
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