Federal RTP 5.56 55 Grain FMJ 20 round/box.
| Brand: | Federal |
| Ammo Type: | Centerfire |
| Series: | RTP |
| Caliber/Gauge: | 5.56 NATO |
| Caliber Description: | 5.56 NATO |
| Rounds Per Box: | 20 |
| Box Per Case: | 25 |
| Box Weight: | 0.00 (lbs) |
| Lead Free: | N |
| Bullet Type: | Full Metal Jacket |
| Bullet Weight: | 55 |
| Case Material: | Brass |
| Muzzle Velocity: | 3,240 |
