AR Optics TRS-25 HiRiseWeighing in at a mere 6 oz. the TRS-25 HiRise provides heavyweight performance.It features a 3 MOA red dot for precision shot placement. 11 brightness settings provide optimum illumination in any light condition. The supplied riser block positions the sight at optimum height on flat top ARs and tactical shotguns.Features:3 MOA Red DotMulti-coated opticsAmber-Bright high contrast lens coating100% waterproof/fogproof/shockproof constructionCR2032 batterySpecifications:Finish: MattePower x Obj. Lens: 1x25mmReticle: 3 MOA Red DotLens Coating: Multi-CoatedRainGuard HD: NoTube Diameter: Not ApplicableParallax Adjustment: FixedField of View: UnlimitedWeight: 6.3oz./180gramsLength: 2.4"/61.8mmEye Relief: UnlimitedExit Pupil: 22mm