Upper Group, Mk4LE OR, 5.56mm

Upper Group, Mk4LE OR, 5.56mm
Manufacture ID: 55BE191

The Mk4LE Optics Ready model is set up for your favorite scope or red dot sight as it has no front sight base to interfere with the sight picture.

Specifications:

- Caliber: 5.56mm
- Barrel: 16 M4 profile
- Muzzle: A2 comp., threaded 1/2-28
- Hand Guard: M4 type 2 piece hand guards
- Receiver: Forged 7075-T6 AL M4 type