Now with night vision compatibility, the Vortex Spitfire HD is your dream come true, running on a BDC-style reticle designed to subtend with most popular 5.56 cartridges for quick holdovers at known distances to keep you locked on target. Plus, the prism design and etched reticle give you ultra-fast target while still functioning without illumination. The turrets of the Spitfire HD Gen II are exposed -- no more caps, no more snags. The 5x Model features a Micro Red Dot mounting Platform. Admit it. You&';re already picturing one on your go-to rifle. SPECIFICATIONS: a Battery: CR 2032 a Click Value: 1 MOA a Eye Relief: 2.6-2.7" a Focal Plane: Fixed a Illumination: 12 Settings a Length: 3.0"- 3.6" a Max Magnification: 3-5 a Objective Size: 21-25mm a Reticle: AR-BDC4 a Weight: 9.3 oz.-10.8 oz.