The Meprolight MPO-F is a closed-emitter pistol sight with an RMR footprint.It was designed to be a very durable optic, to meet the needs of military and law enforcement operations in any environment.Meprolight sent me one out for review, and I’m ready to give you my full and unbiased opinion and feedback on the optic.Specs & FeaturesSpecs: MPO-F3 MOA Red Dot, with a selectable 33 MOA Circle/ Dot configurationRMR footprint20,000 plus hour battery lifeFeatures: MPO-FAutomatic / Manual Brightness AdjustmentShake AwakeBattery, hardware, tools, and cleaning cloth includedIP67 WaterproofMEPROGUARD WarrantyFog proofPackageThe MPO PRO-F shares many similarities with the MPO-F open emitter that I reviewed in an earlier article, including the packaging.