TacFire Official Product, 1-4x24 tactical CQB rifle scope is constructed of one solid piece of T6 6061 aircraft grade aluminum, made to withstand heavy recoil. It is fog proof with shock resistant housing, nitrogen purged with O-ring sealed. It features tri-illumination with 3 adjustable intensity settings to select from & it also includes a cantilever scope base mount. Green fused, multi-coated & scratch resistant lens for high quality light transfer & superior clarity. This scope is great for use in close quarter combat, fast target acquisition & also for long range shooting. Includes removable flip-up lens covers.