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Glock OEM coil trigger spring colors?


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Answered your GT thread on question.

Glock sent out a letter and a replacement Page 28 in April 2008 for the then-current 2002 revision of the manual regarding inspection of that spring and its installation. They listed recommendations for armorers to use when inspecting coil trigger springs, looking for signs of damage, stress and improper orientation.

The light grey spring became the current revision back in 2008. Dunno if there's been any further heat treat changes since then, but I imagine if there has been any significant change they'd have changed the finish again, so the newest version could be readily identified. One thing Glock did change since 2008 was how they spelled the word grey. Now they spell it gray. ;)

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