Faster acquisition and accuracy is achievable with a Firefield Impact Reflex Sight atop your firearm. Parallax corrected lenses with AR Red coating and unlimited eye relief gives you intuitive both-eyes open targeting acquisition. Customize your view with 4 reticle options and 5 brightness settings. The light, durable aluminum/polymer housing and shockproof design will handle repeated .308 rounds. Both are ideal for shotgun use, the XL model is compact and designed for MSR platforms, while the full-sized XLT is better suited for AR rifles. PLEASE NOTE: Lens cover not included. Parallax corrected lenses have an AR Red coating for maximum light transmission Multiple reticle options include 5 MOA dot, 3 MOA dot with 50 MOA circle, 3 MOA dot with 50 MOA crosshair and 3 MOA dot with 30 MOA circle/crosshair Aluminum/polymer housing and shockproof design handles recoil of .308 rounds Unlimited eye relief and a total elevation adjustment range of 120 MOA Impact XL Standard Weaver/Picatinny mount Battery: (1) CR1632 Battery life: approx. 25-120 hours Dimensions: 3.6 inch x 2.04 inch x 2 inchw. Weight: 5.6 oz.Impact XLT Weaver/Picatinny mount with quick release lever Battery: (1) CR2032 Battery life: approx. 40-250 hours Dimensions: 3.6 inch x 2.1 inch x 2.5 inchw. Weight: 7.8 oz. Order today!