M1 Garand rear sight disassembly tips?


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1KPerDay
June 26, 2008, 02:29 PM
My new service grade HRA's rear sight is gunked up with cosmo, including the aperature. :D I'd like to disassemble it and really clean it if possible. Any tips or online how-tos around? Should I just leave the innards alone and clean up the outside?

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10X
June 26, 2008, 03:31 PM
It is easy to disassemble the sight.

Assuming you have the late sight, the tension nut within the windage knob just needs to be unscrewed as far as it will go. It won't come all the way out. That nut holds the elevation knob shaft. If you have the cross bar sight, unscrew the cross bar (watch for a spring under the cross bar). Push the elevation knob shaft from right to left. Unscrew the windage knob. Use your thumb to push up on the rear sight aperature. This will pop off the rear sight cover. Clean as needed. Oil when done. You don't need grease here, this is not a heavy wear area.

Reassemble.

GATechAE07
June 26, 2008, 03:51 PM
In case you need pictures...

CMP - Detail Strip - M1 Sights (http://www.civilianmarksmanship.com/striphtml/detailstripsightone.html)

1KPerDay
June 26, 2008, 05:52 PM
duplicate... see below

1KPerDay
June 26, 2008, 05:57 PM
Thank you... pics always help me. :cool:

Reassembly for those interested
http://www.civilianmarksmanship.com/assemblyhtml/reassemblerearsight3.html


10X, I'm sure at least one of my Garands has the cross-bar sight... any tips on reassembly of that type?

1KPerDay
July 3, 2008, 02:16 AM
Got it apart, cleaned, and back together. The rear sight is a bit tricky, but that CMP how-to helped immensely. Thanks!

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