Vortex Optics Crossfire II 4-12x50 AO, Second Focal Plane Riflescope - Dead-Hold BDC Reticle (MOA)
4. 0-12. 0x Magnification, 50mm Objective / Fast Focus Eyepiece Nitrogen Purged Interior / Fully Multicoated Optics One-Piece Aerospace Aluminum Housing / Dead-Hold BDC Reticle Waterproof/Fog proof/Shockproof