| Manufacturer: | Winchester |
| Cartridge: | 5.56x45mm NATO |
| Bullet Type: | Full Metal Jacket (FMJ) |
| Bullet Weight: | 55 grain |
| Cartridge Case Material: | Brass |
| Muzzle Velocity: | 3180 ft/s |
| Muzzle Energy: | 1235 ft-lbs |
| Application: | Recreational Shooting, Target |
| Primer Style: | Centerfire |
| G1 Ballistic Coefficient: | 0.246 |
| Lead Free: | No |
| Gun Type: | Rifle |
