TacFire Official Product, 2.5-10x40 dual-illuminated mil-dot reticle rifle scope features 5 adjustable rheostat settings for brightness control & an angle cut sunshade to help reduce glare. The scope is constructed of one solid piece of T6 6061 aircraft grade aluminum. It is fog proof with shock resistant housing, nitrogen purged and O-ring sealed. Comes with a fully adjustable integrated 2.4" red laser featuring an on/off activation push button for the laser. Green fused, multi-coated & scratch resistant lens for optimal light transfer & superior clarity. This scope is great for use in close quarter combat and for fast target acquisition with a BDC calibrated for a .223 with a 55 grain bullet.