Description
| Brand | Winchester |
| Caliber | 5.56 Nato |
| Model | WM1931000 |
| Bullet Weight | 55 Grain |
| Bullet Type | Full Metal Jacket |
| Reloadable | No |
| Case Type | Brass |
| Rounds Per Case | 1000 Rounds |
| Boxes Per Case | Bulk Loose Case |
| Muzzle Energy | 1282 ft-lbs |
| Muzzle Velocity | 3240 fps |











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