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Page AR-15 » Troubleshooting
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Posted: 3/11/2021 4:28:01 PM EDT
I have a dust cover where the detent (the small ball that keeps it closed) is stuck inside so it won't stay in the closed position in the upper.

Is there an easy way to get it out to either fix it or replace it? The dust cover is an engraved one so I'd like to fix it rather than replace the entire dust cover.
Link Posted: 3/11/2021 5:16:40 PM EDT
[#1]
Try a drop or two of oil and try to work it with a punch or paper clip.
Link Posted: 3/11/2021 5:49:42 PM EDT
[#2]
Link Posted: 3/12/2021 10:04:01 AM EDT
[#3]
Is that roll pin the same size on any dust cover and if so, what size is it?
Link Posted: 3/14/2021 11:45:45 AM EDT
[#4]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Is that roll pin the same size on any dust cover and if so, what size is it?
View Quote

Hopefully the chart in this link is accurate. Scroll down to "Ejection port hinge pin".

http://www.biggerhammer.net/ar15/pins.html
Link Posted: 3/16/2021 5:40:01 PM EDT
[#5]
I ended up pressing the stuck one out of the printed dust cover and replaced it with another one. Bent the dust covers, but they bent back easily enough.
Link Posted: 3/17/2021 4:32:25 PM EDT
[#6]
All is well now?
Link Posted: 3/20/2021 2:54:54 PM EDT
[#7]
Yes, thanks.
Link Posted: 3/20/2021 6:09:08 PM EDT
[#8]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Is that roll pin the same size on any dust cover and if so, what size is it?
View Quote


MS16562-95

or

1/16 x 3/16
Link Posted: 3/20/2021 6:11:20 PM EDT
[#9]
Discussion ForumsJump to Quoted PostQuote History
Quoted:

Hopefully the chart in this link is accurate. Scroll down to "Ejection port hinge pin".

http://www.biggerhammer.net/ar15/pins.html
View Quote

Ejection port hinge pin = 0.125" x 3.850"

That little roll pin is not four inches long.
Link Posted: 3/21/2021 1:11:55 PM EDT
[#10]
Good catch.
Link Posted: 4/2/2021 12:38:02 PM EDT
[#11]
Discussion ForumsJump to Quoted PostQuote History
Quoted:

Ejection port hinge pin = 0.125" x 3.850"

That little roll pin is not four inches long.
View Quote

Nor is it a hinge.
Link Posted: 4/5/2021 2:09:46 PM EDT
[#12]
Discussion ForumsJump to Quoted PostQuote History
Quoted:

Nor is it a hinge.
View Quote

I think the item listed is not the roll pin that keeps the dust cover detent in place, but the hinge the dust cover swings on.
Link Posted: 4/6/2021 8:40:17 AM EDT
[#13]
Discussion ForumsJump to Quoted PostQuote History
Quoted:

I think the item listed is not the roll pin that keeps the dust cover detent in place, but the hinge the dust cover swings on.
View Quote

You reckon? Believe that's been made most clear.
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AR Sponsor: bravocompany
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