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9/22/2017 12:11:25 AM
Posted: 12/16/2005 4:41:56 AM EDT
I need to chase the threads on the front sight of a recently refinished upper.

Can someone tell me what size tap I need?

Link Posted: 12/16/2005 8:08:42 AM EDT
Take the front sight post to the hardware store. They should be able to help you out. What makes you think you need to chase the threads? I ask because I had a FSB that had glass bead blast media in the sight post threads. I had to flush it out with solvent and re-lube with CLP.
Link Posted: 12/16/2005 12:10:48 PM EDT
[Last Edit: 12/16/2005 12:11:17 PM EDT by PALADIN-hgwt]
Per Brownells, the threads are 8-36.

Link Posted: 12/16/2005 12:47:20 PM EDT
Thanks Paladin!

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