Iyo HK flip-up system ine kaviri buffer basa. Kana jira remusuwo richivhurwa kune kona ye60 ° ± 15 ° kana kupfuura, rinogona kutenderera pane chero chinzvimbo, kuvhurika zviri nyore uye kuvhara zvinyoro, zvichibvumira kupinda nyore kuzvinhu zvakakwirira. Inogona kukurumidza kuparadzaniswa pasina zvishandiso.