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Old July 30, 2020, 07:04 PM   #1
Shadow9mm
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blasted front sight taper pins

trying to get a front sight off an AR. I cant get either of the taper pins to move. I checked diameter with calipers and started on the smaller side. Using a piece of wood with a hold drilled it it so it can move out. Must have hit it 100 times per pin, I alternated pins every 20 hits or so. Nothing is moving with good solid hits.... what am I doing wrong?
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Old July 30, 2020, 07:22 PM   #2
10-96
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I came across one like that a few years ago. I gave up on trying to get them out on my bench with a wood backer block. I used a metal plate and a wood spitting wedge and way-layed the tar out of it on the concrete floor. They'll eventually move.
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Old July 30, 2020, 08:32 PM   #3
Chipperman
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Try soaking them with penetrating oil for a day or two then heating the FSB before pounding the pins
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Old July 30, 2020, 08:38 PM   #4
Shadow9mm
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got them out. I got fed up and put the front sight straight on the vice jaws. I'm guessing the wood soaked up too much of the hits.
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Last edited by Shadow9mm; July 30, 2020 at 09:48 PM.
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Old July 30, 2020, 10:31 PM   #5
44caliberkid
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I have the bench block for driving them out and still had one I could never get out. It was comical, I was hitting them so hard stuff was falling off my garage walls and shelves. It was an assembled barrel and front sight from a cheap complete AR parts set that Sarco was selling a couple years ago for $299. Probably all Chinese made. Most of the parts were out of spec, the springs were improperly tempered, defective. I think the only useable parts were the detent pins.
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Old August 1, 2020, 01:12 PM   #6
bfoosh006
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While this may sound silly.. you were hitting them on the correct side of the taper .. right ?

I say this because, maybe not everyone realizes that is exactly why they are called taper pins.
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Old August 1, 2020, 02:47 PM   #7
jetinteriorguy
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Read the first post.
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Old August 1, 2020, 10:09 PM   #8
HiBC
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As you said these are questionable parts....not all taper pins are equal.

A lot of them are soft,by design And some are hardened. Surface hardened,generally. You want the hard pins.

The soft ones can peen like a rivet on the small end as you beat on them.
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Old August 1, 2020, 10:16 PM   #9
bfoosh006
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Oops.. my bad.
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Old August 2, 2020, 02:27 PM   #10
Bartholomew Roberts
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*ACHIEVEMENT UNLOCKED*
Removed reluctant front sight taper pins without a Dremel

2 more achievements remain until true AR15 owner.
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