King Arms Flip-Up Sight Set for M4 (Version 2)

This set composed Front & Rear Sight in a package  Sight is suitable for all M4 / M16 & AR-Series with Standard 20mm Scope & RIS Rail  Simply press the release button located on the left side of the sight to fold it up/down  Constructed of Steel and aluminum Material, extra Strong Shock Absorption ability SKU KA-SIS-01-V2 Item Weight (gram) 150 Major Color Black Built Material Steel and aluminum Manufacturer King Arms Hop-up N/A Shooting Mode N/A Gearbox Type N/A Fit Battery Pack N/A Bullet Type N/A Pistol Power Source N/A