The Burris Fullfield TAC30 1 - 4 x 24 Tactical Scope features large-diameter lenses to help promote clarity and light transmission. The 1x magnification setting provides a wide field of view, while the 4x magnification setting allows you to engage targets out to 600 yards. The scope has a Ballistic CQ 5.56 reticle and is quad sealed and nitrogen purged for waterproof and fog-proof protection. Recoil tested. Matte finish.