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