Leapers UTG OP3 Micro Red Single Dot 4.0 MOA for RMR Footprint SPECIFICATIONS BATTERY RUN TIME: 55000+ HR AT MIDDLE BRIGHTNESS SETTING BATTERY TYPE: 3V-CR2032 BRAND: LEAPERS BRAND FAMILY: UTG CA PROP 65: YES COLOR: BLACK CONDITION: NEW COUNTRY OF ORIGIN: CHINA MATERIAL: ALUMINUM OPTICS ELEVATION ADJUSTMENT: YES OPTICS ILLUMINATED RETICLE: YES OPTICS INCREMENTAL ADJUSTMENT: 1 MOA OPTICS LENS COATING: MULTI-COATED OPTICS MOUNTING SYSTEM: PICATINNY MOUNT OPTICS RETICLE: 4 MOA DOT OPTICS RETICLE COLORS: RED OPTICS TYPE: RED DOT OPTICS WINDAGE ADJUSTMENT: YES WARRANTY: MFG LIFETIME WATERPROOF: IPX7 (1M FOR 30 MINUTES) WEIGHT: 1.1 OZ DESCRIPTION Features: Includes Removable Low Profile Picatinny Mounting Base Mounting Base Interface Uses the Common RMRŽ Footprint Optic Height Co-witnesses with Most Suppressor Height Iron Sights Tertiary Aiming Point Laser Engraved on Rear Face of Optic Hood Protective Optic Cover Included Compatible with Most Optics Ready Pistol Systems CAUTION: Only use the included #6-32 or #4-40 screws for optic installation. NOTE: Leapers recommends to tighten the #6-32 or #4-40 screws with torque value of about 12 inch-lb and the side plate screw with torque value of about 35 inch-lb.