| Technical Specifications | |
| Cartridge Length | 138.43 mm |
| Cartridge Weight | ~ 114 g |
| Velocity (23.7 m) | 872 ± 12 m/sec |
| Mean Case Mouth Pressure | max. 4500 bar (P+3sd) |
| Accuracy (232.4 m) | Mean Radius Max. 21.54 cm |
| Bullet Extraction Force | min. 90 kgf |
| Tracer | At least 90 % of tracer bullets exhibit a continuous trace of satisfactory quality for at least 2.5 seconds. |
| Case Model Number | 12.7 mmx99 Case |
| Case Material | Brass (CuZn30 ) |
| Bullet Material | Gilding Metal, Lead, Tracer Composition |
| Primer | 12.7 mm Primer, Boxer |
| Link Type | M9 Link |
| Type of Propellant | Cylindrical Powder |
| Weapon to be used | M2, M3 |
| Bullet Weight | 41.7 g |
| Packing | 120 Cartridges in a M2A1 Metal Box, Two M2A1 Metal Boxes in a Wire Bounded Wooden Box and 45 Wire Bounded Wooden Boxes in a Pallet. (Total 10800 Bulk Cartridges) |
| Packing (alternative) | 100 M9 Linked Cartridges in a M2A1 Metal Box, Two M2A1 Metal Boxes in a Wire Bounded Wooden Box, 45 Wire Bounded Wooden Boxes in a Pallet. (Total 9000 M9 Linked Cartridges) |