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Posted: 4/20/2024 9:33:20 PM EDT
[Last Edit: DoverGunner]
I lost the lower pin to my Ballistic Advantage barrel gas block.
What size is it? Where can I find a replacement. Any help will be greatly appreciated. Thank you. Memory loss sucks ETA I found them |
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Posted: 4/20/2024 9:45:01 PM EDT
[#1]
Was it a roll pin or a taper pin?
You should be able to tell if the holes on both sides are the same size then it would be a roll pin. https://blackrivertactical.com/WP/BRT-Gas-Block-Pins-3-pcs-p45819588 |
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Posted: 4/20/2024 9:57:37 PM EDT
[#2]
Quote HistoryOriginally Posted By Nobody69s: Was it a roll pin or a taper pin? You should be able to tell if the holes on both sides are the same size then it would be a roll pin. https://blackrivertactical.com/WP/BRT-Gas-Block-Pins-3-pcs-p45819588 As per BA it is a coil pin. Thank you |
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CT, USA
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Posted: 4/20/2024 10:22:53 PM EDT
[#3]
Quote HistoryOriginally Posted By DoverGunner:As per BA it is a coil pin. Fancy roll pin. Use drill bits to easily figure what size pin you need. |
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Posted: 4/20/2024 10:45:03 PM EDT
[#4]
For future reference, there are machinist references online for matching spring/coil pin sizes with hole sizes.
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GA, USA
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Posted: 4/22/2024 12:22:45 PM EDT
[#5]
Thinking he bought one of those BA barrels that has a pre drilled and roll pin gas block, he removed the roll pin to get gas block off to put on barrel nut and lost the single roll pin.
I once tried to source a similar pin from McMaster but could never match it up as it was an odd size. I might still have mine somewhere, I will look tonight. |
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Posted: 4/22/2024 2:07:43 PM EDT
[#6]
Quote HistoryOriginally Posted By OTDR: Thinking he bought one of those BA barrels that has a pre drilled and roll pin gas block, he removed the roll pin to get gas block off to put on barrel nut and lost the single roll pin. I once tried to source a similar pin from McMaster but could never match it up as it was an odd size. I might still have mine somewhere, I will look tonight. Quote HistoryOriginally Posted By OTDR: Thinking he bought one of those BA barrels that has a pre drilled and roll pin gas block, he removed the roll pin to get gas block off to put on barrel nut and lost the single roll pin. I once tried to source a similar pin from McMaster but could never match it up as it was an odd size. I might still have mine somewhere, I will look tonight. Originally Posted By DoverGunner: ETA I found them 
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Posted: 5/2/2024 3:52:37 PM EDT
[#7]
Well? What size was it so the rest of us will know? I don't feel like taking off the hand guard to measure the one on a my .625 Hanson barrel.
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