K72 mndandanda wa chuck wodziyimira pawokha wa nsagwada zinayi utenga silinda yayifupi komanso mawonekedwe afupi ozungulira, mawonekedwe afupi ozungulira atha kugawidwa m'mitundu iwiri molingana ndi njira yolumikizirana ndi ndodo yamakina: Mtundu A (wophatikizidwa ndi screw), Mtundu C (malo otsekera bawuti), Mtundu D (chikoka ndodo, cholumikizira kamera)
