Given that the name implies, Aero Precision incorporates a historical past in aerospace engineering and machining since the early 1990's. In More moderen decades, they've brought their Extraordinary focus to detail for the firearms field. Even though I'm personally not a supporter of preset front sight bases, the AERO AC-15M https://redgearguru.com/the-right-to-bear-arms-defending-liberty-and-freedom/right-to-bear-arms/