BR Level
(UL752)
Weapon
Shots
Ammunition
Velocity
Min/Max FPS
Velocity
MPS
Nominal
Weight
LBS/SQFT
Nominal
Thickness
Inches/MM
Level 1 9mm Single 124 GR FMJ 1175-1295 358 2.9 (14.6) 1/4 (6)
Level 2 .357 Magnum | Jacketed Lead Soft Point Single 158 GR SP 1250-1375 385 4.1 (20) 3/8 (10)
Level 3 .44 Magnum | Lead Semi-Wadcutter Gas Checked Single 240 GR LEAD 1350-1485 411 5.3 (25.6) 1/2 (13)
Level 4 .30 Caliber Rifle | Lead Core Soft Point (.30-06 Caliber) Single 180 GR SP 2540-2794 774 13.7 (67) 1 3/16 (30)
Level 5 7.62mm Rifle | Lead Core Full Metal Copper Jacket, Military Ball (.308 Caliber) Single 150 GR FMJ 2750-3025 838 14.9 (73) 1 3/8 (35)
Level 6 9mm UZI | Full Metal Copper Jacket with Lead Core Multiple 124 GR FMJ 1400-1540 427 4.1 (20) 3/8 (10)
Level 7 5.56mm M-16 Rifle | Full Metal Copper Jacket with Lead Core (.223 Caliber) Multiple 55 GR FMJ 3080-3388 939 12.1 (59) 1 1/16 (27)
Level 8 7.62 Rifle  | Lead Core Full Metal Copper Jacket, Military Ball (.308 Caliber) Multiple 150 GR FMJ 2750-3025 838 15.5 (76) 1 7/16 (37)

UL - Underwriters Laboratory
SP- Soft Point
GR - Grains
LRHV - Long Rifle High Velocity
MPSA - Medium Power Small Amrs
HPSA - High Power Small Arms
SPSA - Super Power Small Arms
NIJ - National Institute of Justice
HPR - Hig Power Rifle
FMJ - Full Metal Jacket
JSP - Jacketed Soft Point
FPS - Feet Per Second