Feature A Balance Precision and Speed: 3 MOA Dot Size Supports Fast Target Acquisition while Maintaining Precise Aiming Control Performance A Adaptive Brightness Performance: Red Illuminated Reticle with 8 Levels and 2 NV Modes Adapts to Changing Outdoor Light Conditions A Expanded Viewing Awareness: Extra-Large 20 x; 28 mm / 0.8 x; 1.1 in Window Improves Overall Field of View and Enhances Target Tracking A Recoil-Proven Rugged Build: Rated for 9mm .45 ACP 12GA and .338 Lapua Magnum Impact while Preserving Reliable Overall Function A Broad Platform Compatibility: TEK Footprint Compatible w/ the DOCTERA(R) standard footprint for GlockA(R) 17/19 MOS and WaltherA(R) PDP Specification See our Terminology Guide for detailed explanations of each specification. Specification Details A Magnification: N/A A Window Lens Size: 20X28mm(0.8x1.1") A Length: 46mm / 1.8" A Width: 32mm / 1.2" A Height: 35mm / 1.4" A Weight (net): 56g / 2.0oz A Eye Relief: Free A Field of View: 27Adeg A Optics Coating: Multi-coated A Parallax: 1.0MOA 100 yds. A Elevation Range: 45MOA A Windage Range: 45MOA A Dot Size: 3MOA A Dot Intensity: 8 levels & 2 night vision dot A Mounting: Picatinny A Battery: CR2032 A Run time: 20,000 hours A Finish: Black matte A Package includes: retail package, weaver mount, rubber lens cover, hex keys and cleaning cloth etc. Footprint TEK Footprint A Compatible Industry Standard: Docter / NoblexA(R) A Original Compatible Pistol Optics-Ready (O.R.) Model: GLOCKA(R) Standard MOS Gen4/5 (exclude G48/G43X), WaltherA(R) PDP (w/ adapter plate), TAURUSA(R) G3 T.O.R.O (w/ adapter plate), M&PA(R) M2.0 C.O.R.E. (w/ adapter plate), etc. For more information about FOOTPRINT, please refer to the blog. Description Pistols Application 8 Levels+2 NV Dot 20,000H Runtime 3 MOA Micro Reflex Sight FAQ How to Mount the Vector Optics Frenzy 1x20x28 Red Dot Sight on a Glock Pistol Videos