The Firefield 1x Combat Sight is a versatile optical gunsight, designed like a universal scope for accurate short and medium range shooting. Featuring an illuminated red or green circle dot reticle, the Firefield 1x Combat Sight has up to five brightness settings that can adapt to any terrain. The brightness settings allow for optimal shooting in low light scenarios without the inherent problems of fiber optics or auto-adjusting systems. The 1 MOA adjustment provides precision accuracy, perfect for short and medium range combat situations. Compatible with AR15s and picatinny mounts, the Firefield 3x Combat Sight handles recoil well and is waterproof and fog proof, for maximum durability. The Firefield 1x Combat Sight features a durable, aluminum die-cast construction and multi-coated lenses for a crisp, clear image. The Firefield 1x Combat Sight is a must have for any tactical shooter. Protected by a manufactures warranty and the quality that comes with the Firefield name, the Firefield 1x Combat Sight takes any shooter to the next level. Firefield-Victory Justifies Everything.