The Firefield Impulse Compact Red Dot is a budget-friendly red dot sight built for rifle and carbine duty. Compact housing keeps the optic from dominating the rail, and the 4 MOA reticle gives you fast acquisition for close-to-mid range work. Key specs: Reticle: 4 MOA red dot Magnification: 1x (unlimited eye relief) Illumination: 5 brightness settings, runtime up to 25,000 hours Adjustment: 1/2 MOA windage and elevation Battery: CR2032 Housing: aluminum, matte black anodized Mount: integrated Picatinny rail mount Parallax-free at 30 yards Best fit: AR-15 carbines, PCCs, shotguns - anywhere you want a fast, durable red dot without the price tag of a premium brand. Mounts on standard Picatinny / Weaver rails. Not designed for direct pistol slide mounting.