5,56X45MM (.223 REM) CALIBER BARREL
Technical Specifications
| Barrel Length | 7,5’’ to 20’’ |
| Barrel Material | SAE 4140 Steel |
| Caliber | 5,56 (223 Rem) |
| Twist Rate | 1/7 |
| Groove Sets | 6 |
| Groupment Value | 3 MOA Per 100 Meters |
| Barrel Outer Diameter Roughness Value | Ra 0,8 μm |
| Barrel Inner Coating | Ni-Boron |
| Barrel Outer Coating | Ni-Boron + Black Chrome |
| Coating Thickness | 0,15-,30 μm |
| General Tolerances Should According to | ISO 2768-F |
