Used in conjunction with the latest generation Razor HD 27-60x85mm spotter, range work, calling shots and spotter/shooter communication become seamless. It's essentially like having a ruler in your spotting scope —which comes in quite handy. Compatible Models : RS-85A, RS-85S.
Vortex Optics Razor HD Reticle Eyepiece Ranging (MRAD) Specifications:

• Magnification (85mm): 22X
• Linear Field of View (85mm): 130.3 ft/1000 yds
• Angular Field of View (85mm): 2.5 degrees
• Eye Relief: 31 mm
• Length: 3.1 inches
• Weight: 11.5 OZ

In The Box: Vortex Optics Razor HD Reticle Eyepiece Ranging (MRAD) with Wearable4U Bundle (May Vary. Choose Your Variation).