Ballistics Chart and International Equivalences

B1 - B2 - B3

I - IIA

L1 - L2

12 - 17 mm

Rev 38, 380 Auto, 40 S&W, 9mm 357 Magnum 4"

B4

IIIA

L3 - L4

19 - 24 mm

All Level 2 + 9mm Sub, 45 Auto 357 Magnum, 44 Magnum

B5

n/a

L5 - L6 - L7

30 - 36 mm

All Level 3 + AK47 7.62x39 NATO

B6 - B7

III

L8

39 - 45 mm

All Level 4 + AR15, M16, 7.62x51 Fall, 7.62x63 NATO, 5.56x45 NATO SS109

FSG

IV

Supplement Shotgun

49 -54 mm

All Level 5 + 7.62x39 AP, 7.62x51 AP