Hammers Compact Prism Rifle Scope 4x32 with BDC Illuminated Multi-line Reticle Optical Fiber Backup Iron Sights Accessory Rails and Quick Detach QD Cam Lever Lock Compact 4x scope made of advanced prism Lens design Multi-line bullet drop compensation reticle illuminated in three colors for the best contrast setup Optical fiber back up iron sights and accessory rails built in Quick detach QD cam lock lever allows quick installation and detachment