SIG ROMEO4B COMPACT RED DOT SIGHT CIRCLE DOT

Magnification: 1x - Objective Clear Aperture: 20mm - Red Dot: 2 MOA + 65 MOA Circle - Elevation/Windage: +/- 50 MOA - Eye Relief: Unlimited - Length: 2.65 - Width: 1.4 - Height: 1.6 - Weight: 3.2 oz - ROMEO4 sights are parallax-free so point-of-aim is point-of-impact and the red dot remains parallel to the bore of your firearm no matter what your viewing angle is relative to the optical axis of the sight - Unlimited eye-relief allows you to acquire the aiming point and the target regardless of the position of your eye behind the sight - Dual reticle option on select models toggle between 2 MOA red dot or circle dot (2 MOA red dot with 65 MOA circle) - ROMEO4 utilizes an ultra-efficient red LED illumination system for daylight visibility with extended runtime and mil-spec objective coatings to limit downrange light leakage in tactical situations - Features our MOTAC (Motion Activated Illumination System) that powers up when it senses motion and powers down when it does not. Provides for optimum operational safety and enhanced battery life - 5000+ hour battery life and the readily available CR2032 battery is side-loading allowing for quick battery replacement - Extremely strong and lightweight aircraft grade CNC Aluminum housing ensures a lifetime of reliable service - Dependable waterproof (IPX-7 rated for complete water immersion up to 1 atmosphere) and fog-proof performance - Available with M1913 Picatinny low mounts (standard) or 1.41 co-witness riser mounts (standard or Qu