Grab the Holosun HE509T-RD X2 premium reflex sight for a great price from Bear Creek Arsenal! The HE509T-RDX2 is a completely Titanium enclosed red/green dot sight that features improved glass clarity and a full Multi-Reticle System providing 32MOA circle with 2MOA dot, dot only, or circle only reticle options. The HE509T-RDX2 has up to 50k hours of battery life with Lock Mode and Solar Failsafe to allow you to continue shooting even if your battery fails. Holosun's Shake Awake technology also shuts the reticle off when not being used and instantly turns it on when motion is detected. Included RMR Adapter (not compatible with ZEV or Shadow Systems style RMR interfaces) T10 L Key User Manual CR1632 Battery Lens Cloth SpecsOptical DataReticle: 2 MOA Dot & 32 MOA CircleLight Wavelength: 650nmReticle Color: RedParallax Free: YesUnlimited Eye Relief: YesMagnification: 1xMulti-Coatings: YesElectronic DataPower Source: Solar & BatteryBattery Type: CR1632Battery Life (Hours): 50000Brightness Setting: 10 DL&2 NVPhysical DataWindow Size: 0.66x0.9Dimension (in): 1.6x1.16x1.13Weight (oz): 1.72Mechanical DataHousing Material: TitaniumSurface Finish: TitaniumAdjustment per Click: 1 MOAW&E Travel Range: 30 MOAEnvironmental DataStorage Temperature: -40?~70?Working Temperature: -30?~60?Submersion: IP67Vibration: 5000G