Truglo Ar-15 Gas Block Sight

The fiber optic AR-15 style front gas block sight is the industrys 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 :

• Designed to mount on railed front gas blocks (lower height / DPMS-style)
• Click elevation adjustment
• Includes sight adjustment tool