This sticky will list threads that are exceptionally educational and informative- timeless threads that will be used for years to come.
Please nominate threads by posting a link in this thread.
As time permits, we'll review them and add good threads to this list.

SEARCH Instructions

Welcome to the Sigma Auto Section!

S&W Collectors Association Application

Letter of Authenticity (formerly the "Factory Letter")

The ultimate Sigma picture thread thingy!

Sigma FAQ

All the Sigma variants / Model designations / Pics

Need Gear For Your Sigma? Find It Here

The ultimate Sigma picture thread thingy!

I believe this is a real value (S&W Sigma)

Target Pistol Shot Analysis

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Regards,
Lee Jarrett