they do not work you need this set budsgunshop.com/catalog/product_info.php/products_id/16754/truglo+tritium+fiber+optic+sights+for+sig

Hi James. Unfortunately not, SIG Sauer pistols with a #6 Front sight and #8 Rear sight - Fits the P220/P225/P226/P228/P239/P245 and SIG PRO models. The Sig SP2022 in 9mm you need #8 front and #8 rear You will need these ones-- sigsauer.com/store/parts/sights.html?firearm_type=59&model=111

for sight I always suggest contacting Dawson precision

James, I would look at sig sites for proper mounting.

James, no Sir. These Fits: - SIG Sauer pistols with a #6 Front sight and #8 Rear sight - Fits the P220/P225/P226/P228/P239/P245 and SIG PRO models. The Sig SP2022 in 9mm you need #8 front and #8 rear which can be found here: sigsauer.com/store/parts/sights.html?firearm_type=59&model=111