Kapangidwe ka Chikwama cha Mafuta Onunkhira a Amuna Cain Grenade ndi kapangidwe ka chikwama cha mafuta onunkhira a amuna. Chotengeracho chili ndi mawonekedwe angular a grenade, zomwe zimapatsa chinthucho mawonekedwe amphamvu ndi olimba mtima. Mitundu yosinthasintha yosanjikizana imakuta pamwamba pake ndipo imasintha ndi kuwala. Bokosi lakunja lapangidwa ndi mizere yosavuta komanso yomveka bwino yotengedwa ku zokongoletsa zakale, zomwe zimapanga mawonekedwe abata komanso okongola. Mitundu ingapo yosiyanitsana yaphatikizidwa pa bokosilo, ndipo mawonekedwe okwezeka ndi ozama agwiritsidwa ntchito kuwonjezera kuya. Bronzing imapangitsa tizigawo ting'onoting'ono kukhala tokongola kwambiri. Chikwamachi chili ndi masentimita 60 mm m'lifupi, 55 mm kuya ndi 120 mm kutalika.