The fiber optic AR-15 style front gas block sight is the industry's brightest AR-15 fiber optic gun sight. It has an extra long" super bright" protected green fiber and integral mount for Mil-Spec 1913 picatinny rails.
Features :
Features :
- Designed to mount on railed front gas blocks (lower height / DPMS-style)
- Click elevation adjustment
- Includes sight adjustment tool