Was in the market for another one and got lucky. $339 is a good price. Impact guns, I’ve ordered from them before with no issues.
https://www.impactguns.com/semi-aut...r-optic-sights-30rd-mag-640832002676-ktpmr30/
https://www.impactguns.com/semi-aut...r-optic-sights-30rd-mag-640832002676-ktpmr30/