| Bulletproof performances: |
| Protective
class |
Category of firearm |
Category of cartridge |
Speed of bullet
M/S |
| 1 |
7.62MM pistol in 1964 and 1977 |
7.62MM pistol bullet in 1964 |
300-320 |
| 2 |
7.62MM pistol in 1954 |
7.62MM pistol bullet in 1951 |
420-450 |
| 3 |
7.62MM light-duty submachine gun in 1979 |
7.62MM pistol bullet in 1951 |
480-515 |
| 4 |
7.62MM pistol in 1954 |
7.62MM/B pistol bullet in 1951 |
420-450 |
| 5 |
7.62MM light-duty submachine gun in 1979 |
7.62MM/B pistol bullet in 1951 |
480-515 |
| 6 |
7.60MM semiautomatic rifle in 1956 |
7.62MM general bullet in 1956 |
710-735 |
| Remarks: Protective classes over the sixth class is regarded as special class |