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What is the difference between the #6 and #8 sight size? — 2 Answers

by Eddward, from WA, United States Asked on September 30, 2017

Name TruGlo TFX Pro Sight Set for Sig Sauer #8/#8 (4.7)
$169.99 $132.79 Save 22%
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Answered by Carly R., Gear Expert, from IL, United States, on October 03, 2017

The actual difference is very small and you can use varying sizes to adjust your sight picture, but the Sig standard is that you use #8 / #8 for 9mm or .357 and #6 / #8 for S&W40 or 45ACP.

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Answered by Harry Frank, guest, from MI, United States, on February 13, 2018

I believe the #8/#8 also fits the Sig P239 .40.

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