Iyi serivisi ikora isesengura ry’imbunda n’ibindi bimenyetso bifatika. Igamije kumenya niba isasu cyangwa igice cy’amasasu cyagaragajwe cyarasohowe n’imbunda ikekwa, ndetse no kumenya ubwoko n’ingano (caliber) by’imbunda ishobora kuba yarakoreshejwe mu kurasa.
Iri shami rikora ibizamini bitandukanye ku mbunda, harimo kugenzura amasasu n’ibice by’amasasu (cartridge cases), kugereranya ibimenyetso byabyo n’imbunda zikekwa, no gusesengura ibindi bimenyetso bifatika bifasha mu iperereza ry’ibyaha bikoresheje imbunda.