Kev xaiv lub tsho tiv thaiv lub cev kom zoo yuav tsum muaj kev ntsuas dav dav raws li hom kev hem thawj (pistol/rifle/armor-piercing rounds), kev siv cov xwm txheej (nruam zais / siab- kev pheej hmoo ua haujlwm), thiab cov qauv kev tiv thaiv (xws li NIJ lossis GA). Lub hauv paus ntsiab lus tseem ceeb yog txuam nrog kev hem thawj rau qib kev tiv thaiv, zam kev tiv thaiv tsis txaus lossis lub nra hnyav.
1. Lub Cev Kev Tiv Thaiv Lub Cev Qib: Txheeb xyuas qhov hem thiab sib tw qib Cov peev xwm tiv thaiv lub cev tiv thaiv lub tsho tiv thaiv yog txhais los ntawm thoob ntiaj teb lees paub US NIJ tus qauv lossis Suav GA 141-2010 / GB 45834-2025 tub ceev xwm tus qauv. Cov qib sib txawv sib txawv rau cov phom phom sib txawv:
NIJ IIA / GA Theem 1: Kev tiv thaiv qis- rab yaj phom nrawm nrawm (xws li Hom 64 7.62 hli rab yaj phom puag ncig), tsim nyog rau kev nqa txhua hnub, hnav, thiab tuaj yeem hnav hauv qab khaub ncaws.
NIJ II / GA Qib 2-3: Kev tiv thaiv nruab nrab- rab yaj phom nrawm nrawm (xws li Hom 54 7.62 × 25mm rab yaj phom puag ncig), haum rau nruab nrab- cov xwm txheej txaus ntshai xws li kev tiv thaiv kev cai lij choj thiab kev nyab xeeb. NIJ IIIA/GA Theem 4: Muaj kev tiv thaiv cov phom loj tshaj plaws thiab lub voj voog loj (xws li .44 Magnum). Nws sawv cev rau qib kev tiv thaiv siab tshaj plaws rau cov mos mos lub cev armor thaum tuav tswj tau zoo.
NIJ III/GA Theem 5: Yuav tsum muaj daim hlau nyuaj thiab muaj kev tiv thaiv phom phom (xws li Hom 56 7.62 × 39mm puag ncig). Tsim nyog rau siab - ib puag ncig muaj kev pheej hmoo xws li tawm tsam- kev ua phem thiab kev ua haujlwm tactical.
NIJ IV/GA Theem 6 thiab Cov Qib Tshwj Xeeb: Muab kev tiv thaiv cov cuab yeej tiv thaiv- tho qhov sib tw (xws li 7.62 × 54mm armor- tho qhov incendiary rounds). Qhov no yog qib kev tiv thaiv siab tshaj plaws thiab feem ntau yog siv hauv kev sib ntaus sib tua lossis kev ua haujlwm tshwj xeeb.
Piv txwv li, yog tias koj tab tom ntsib kev ruaj ntseg hauv nroog tsis sib haum xeeb uas qhov kev hem thawj tseem ceeb yog rab yaj phom thiab riam, Qib IIIA mos lub cev muaj zog yog txaus. Txawm li cas los xij, hauv thaj chaw ua tsov ua rog lossis qhov chaw phom tua hluav taws tau ua tau, cov khoom siv lub cev sib xyaw nrog Qib III lossis IV ceramic phaj yog tsim nyog.
