ðɪs wʌz tˈɑːpt wɪð ɐn ˈɛlɪvˌeɪɾᵻd sˈaɪt tɹˈæk ɹˈɪb wɪð ɐ wˈaɪt stɹˈaɪp tʊ ɪmpɹˈuːv fˈæst tˈɑːɹɡɪt ɐkwɪsˈɪʃən.
This was topped with an elevated sight track rib with a white stripe to improve fast target acquisition.