UTG® 4.2" ITA Red Green CQB Dot with QD Mount, Riser Adaptor redline Doesn't rattle due to a GAS M45 IWO BBB UCM Doesn't rattle due to a light weight build for increased stealth Its rigid aluminum construction • Great Field of View and Unlimited Eye Relief • Clear and Sharp 4 0 MOA Dot Sight • No Reflection High Tech Emerald Coatings • Red or Green Dot Adapts to Any Environmental Background • Optimal Height Design to Co witness with Iron Sights • Includes Both Smart Adaptor & Straight up Quick Detachable Tactical Mount with Innovative Quick Detach Mounting Deck to Use on Any Picatinny Rail • Illumination Rheostat with Variable Brightness Levels Offers Stealthy and Infinitely Fine Adjustment • Aim and Instant Lock On Target to Enhance Shooting Accuracy and Performance • Most Versatile Dot Sight for Wide Range of Pistols