ˌæmjuːnˈɪʃən ɪz səplˈaɪd baɪ ɐ tˈuːbjʊlɚ mˌæɡɐzˈiːn ˌʌndɚ ðə bˈæɹəl wˌɪtʃ hˈoʊldz fˈɪftiːn dˈæʃ twˈɛnti tˈuː ɹˈaʊndz dᵻpˈɛndɪŋ ɔnðə kˈɑːɹtɹɪdʒ jˈuːzd.
Ammunition is supplied by a tubular magazine under the barrel which holds 15-22 rounds depending on the cartridge used.