ðə ɹˈaɪflɪŋ ɡɹˈuːvz kˈʌt ɔnðɪ ɪnsˈaɪd ʌvðə bˈæɹəl kˈɔːz ðə pɹədʒˈɛktəl tə spˈɪn ɹˈæpɪdli ɪn flˈaɪt, ɡˈɪvɪŋ ɪt ɡɹˈeɪɾɚ stəbˈɪlᵻɾi ænd hˈɛns ɹˈeɪndʒ ænd ˈækjʊɹəsi ðɐn smˈuːðboːɹ ɡˈʌnz.
The rifling grooves cut on the inside of the barrel cause the projectile to spin rapidly in flight, giving it greater stability and hence range and accuracy than smoothbore guns.