Jarvis BR-5A igenewe gutyaza inzembe z'inyuma kugeza zityaye neza.
- Ityaza urucyero rukozwe nk'uruziga rifite ubunini bwa milimetero 110mm kugeza rugaruye ubugi nk'ubwo rwakoranywe.
- Ntabwo yangiza inzembe z'urucyero - yongera igihe urucyero ruzamara.
- Akanya kari mu ityazo kangana n'uko amanyo y'urucyero angana.
- Iki gikoresho cyakorewe kugabanya amakoza akorwa n'ababazi
- Gukoresha iki gikoresho bisaba kubanza kubihugurirwa.
- Ityaza amenyo akata neza kandi nta kindi gikoresho gikenewe.