The difference between three levels of bulletproof and five levels of bulletproof

The difference between three-level bulletproof and five-level bulletproof lies in the type of protection and the speed of bullets, and five-level protection is better than three-level.

GA141-2001 "General Technical Conditions for Police Body Armor" in the police bulletproof vest bulletproof level settings:

Bulletproof level: 1 level

Gun type: 1977 type 7.62mm pistol

Gun bullet type: 1964 type 7.62mm pistol bullet

Bullet initial velocity (m/s): 300-320

Bulletproof Grade: Grade 2

Gun Type: 1954 Style 7.62mm Pistol

Shell Type: 1951 Style 7.62mm Pistol Shell

420-450

Bulletproof Grade: Grade 3

Gun Type: 1979 Style 7.62mm Lightweight Submachine Gun

Shell Type: 1951 Type 7.62mm Pistol Bullet

Bullet Muzzle Velocity (m/s): 480-515

Bullet Resistance Level: Grade 4

Gun Type: 1954 Type 7.62mm Pistol

Shell Type: 1951 Type B 7.62mm Pistol Bullet

Bullet Muzzle Velocity (m/s): 420-450

Bulletproof Grade: 5

Gun Type: 1979 7.62mm Light Submachine Gun

Shot Type: 1951 B 7.62mm Pistol Cartridge

Bullet Muzzle Velocity (m/s): 480-515

Bulletproof Grade: 6

Gun Type: 1956 Semi-Automatic Rifle

Bullet Type: 1956 7.62mm Regular Bullet

Bullet Muzzle Velocity (m/s): 710-735

Note: Bulletproof Grade 6 and above are listed as Special Grade

References

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