| DOD AMMUNITION CODE | 1310-B593 |
| DOT WARNING LABEL CODE | 1.2C |
| DOT HAZARD CLASS/DIVISION | 1.2 |
| DOT IDENTIFICATION NUMBER | UN0328 |
| CARTRIDGE DESIGN TYPE | ARMOR PIERCING-TRACER LOCATION NOT OTHERWISE SPECIFIED |
| CARTRIDGE GROUPING TYPE | CLIPPED |
| CARTRIDGE MODEL NUMBER | PGU-31/B LOCATION NOT OTHERWISE SPECIFIED |
| CRITICALITY CODE JUSTIFICATION | FEAT |
| MATERIAL | COPPER ALLOY OR STEEL CARTRIDGE CASE |
| SPECIAL FEATURES | CONTAINS EXPLOSIVES;17.60 IN LG |
| TRACER ELEMENT | NOT INCLUDED |
| WEAPON FOR WHICH DESIGNED | GUN M2A1 |