Crimson Trace HRO Integrated Pic Rail Mount Reflex Red Dot Sight 1x 2 MOA Red Dot Black. Packed with best-in-class features like CT Motion "shake-to-wake" sensor and integrated Pic Rail mount the HRO looks good and performs even better. Specifications for Crimson Trace 1x Reflex Sight HRO Integrated Pic Rail Mount: Manufacturer: Crimson Trace Color: Black Finish: Matte Fabric/Material: Aerospace Grade Aluminum 6061-T6 Magnification: 1 x Reticle: 2 MOA Red Dot Illumination Type: LED Illumination Color: Red Brightness Settings: 12 Eye Relief: Unlimited Adjustment Type: MOA Adjustment Click Value: 1 MOA Emitter Type: Open Lens Material: Glass Optical Coating: Multi-Coated Battery Type: CR2 Battery Quantity: 1 Battery Life: 50000 hours Weather Resistance: Rainproof Water Resistance Level: IPX-7 Shockproof: Yes Fogproof: Yes Gun Make: Universal Gun Model: Universal Weight: 8.5 lb Lens Finish: Multi-Coated Quantity: 1 Switch Type: Button Red Dot Sights-Footprint: Not Applicable Lens Type: Reflex Mount Type: Picatinny Attachment Type: Picatinny Features of Crimson Trace Reflex Sight HRO Integrated Pic Rail Mount Picatinny rails smaller than the standard .835in are incompatible Known Incompatible Firearms; Kel Tec KSG S&W Performance Center M&P 15-22 series Package Contents: Crimson Trace Reflex Sight Hro Integrated Pic Rail Mount Crimson Trace 01-01810: Reflex Sight HRO Integrated Pic Rail Mount 2 MOA RED DOT