The Athlon Helos BTR 6-24x50 APMR FFP IR MIL Scope is a first focal plane rifle scope designed for reliable accuracy at long-range. This Athlon Optics scope features fully multicoated lenses that increase light transmission to deliver bright, clear images. An illuminated reticle on this rifle scope offers increased visibility in low-light. The Helos BTR scope has locking elevation and windage turrets that ensure adjustments stay dialed-in during transport, storage, or recoil. The one-piece tube on this scope has been argon-purged to improve performance at a variety of temperatures, while waterproofing and fog-proofing ensure the optic stays clear in most weather conditions. Built with solid 6061 aluminum, the Athlon Helos BTR 6-24x50 is a feature-rich scope that offers clear aim and consistent accuracy perfect for long-range applications.