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Type IIIA
(.357 SIG; .44 Magnum)  New armor protects against 8.1 g (125 gr) .357 SIG FMJ
Flat Nose (FN) bullets at a velocity of 448 m/s ± 9.1 m/s (1470 ft/s ± 30
ft/s) and 15.6 g (240 gr) .44 Magnum Semi Jacketed Hollow Point (SJHP)
bullets at a velocity of 436 m/s (1430 ft/s ± 30 ft/s). Conditioned armor
protects against 8.1 g (125 gr) .357 SIG FMJ Flat Nose (FN) bullets at a
velocity of 430 m/s ± 9.1 m/s (1410 ft/s ± 30 ft/s) and 15.6 g (240 gr) .44
Magnum Semi Jacketed Hollow Point (SJHP) bullets at a velocity of 408 m/s ±
 9.1 m/s (1340 ft/s ± 30 ft/s). It also provides protection against most
handgun threats, as well as the threats mentioned in [Types I, IIA, and II].


Type III
(Rifles)        Conditioned armor protects against 9.6 g (148 gr) 7.62× 51mm NATO
M80 ball bullets at a velocity of 847 m/s ± 9.1 m/s (2780 ft/s ± 30 ft/s).
It also provides protection against the threats mentioned in [Types I, IIA,
II, and IIIA].

美軍公發裝備OTV戰術防彈背心至少要達到Type IIIA的防護等級

出任務還會加裝SAPI防彈板達到Type III的防護

可以擋下AK的7.62x39mm

至於只能擋9mm手槍彈的，那是警用裝備

國內目前只有這種

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