Ratings of Bullet Resistant materials as identified by UL 752

Rating Ammunition Weight (grains) Weight (grams) Min FPS Max FPS Number of Shots
Level 1 9mm Full Metal Copper Jacket with Lead Core 124 8.0 1175 1293 3
Level 2 .357 Magnum Jacketed Lead Soft Point 158 10.2 1250 1375 3
Level 3 .44 Magnum Lead Semi-Wadcutter Gas Checked 240 15.6 1350 1485 3
Level 4 .30 Caliber Rifle Lead Core Soft Point (.30-06 Caliber) 180 11.7 2540 2794 1
Level 5 7.62mm Rifle Lead Core Full Metal Copper Jacket Military Ball (.308 Caliber) 150 9.7 2750 3025 1
Level 6 9mm Full Metal Copper Jacket with Lead Core 124 8.0 1400 1540 5
Level 7 5.56mm Rifle Full Metal Copper Jacket with Lead Core (.223 Caliber) 55 3.56 3080 3383 5
Level 8 7.62mm Rifle Lead Core Full Metal Copper Jacket Military Ball (.308 Caliber) 150 9.7 2750 3025 5
Shotgun 12-Gauge Rifled Lead Slug 1 0z. 28.3 1585 1744 3
Shotgun 12-Gauge 00 Buckshot (12 pellets) 1.5oz 42 1200 1320 3