IOS - Interchangeable Optic System

Join Nighthawk Custom Design Engineer Dan Thomas as he walks through the Interchangeable Optic System, a revolutionary solution for running iron sights or your favorite red dot on the same 1911 slide.

Dan explains the engineering behind the IOS, how it maintains perfect zero when switching optics, and why it offers unmatched flexibility for shooters. From the precision-machined cut to the locking plate system, the IOS allows quick transitions between iron sights and multiple optic footprints without compromising performance.

This is your inside look at how Nighthawk Custom continues to push 1911 innovation to the next level.