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So it should, i found an article on a website called "realgunreviews" and the guy who wrote the article said sig bases the sight number on their pistols by caliber, and not by model. But many of the optics ready x series and legion pistols that are optics ready have the rear site attached to the cover plate, so for these models, your not going to have cross platform compatibility. "Which SIGs Use Which Heights? For classic P-Series pistols, the "general" rule for what are considered the "standard" SIG sight numbers is actually based on the gun's caliber, not the model. The standard SIG sight numbers for particular calibers are: 9mm & .357 SIG: #8 front / #8 rear .40 S&W & .45 ACP: #6 front / #8 rear For the SIG X-RAY sights (like the ones that come on the Legion series pistols), things seem to be a bit different, and the model does seem to matter: P226 Legion 9mm (DA/SA & SAO): #8 front / #8 rear P226 Legion .40 DA/SA & P229 Legion 9mm DA/SA: #6 front / #6 rear" ---------- Full

These Sights will fit most models that use #6 Sig Front sights. https://www.realgunreviews.com/sig-sauer-sight-heights-sight-numbers/ -------- I would verify your model with Sig Customer Service at 603-610-3000 OPTION 1 8:30am – 5:00pm EST.