The Argos HMR 4-20x50mm Riflescope was designed for traditional hunting setups with practicality and versatility in mind. It comes equipped with a BDC 600A Reticle. This reticle is compatible with a wide range of rifles, and features hold over points to effectively compensate for bullet drop at longer ranges and bullet drift in windy conditions. The BDC 600A Reticle is highly compatible with the following rifle cartridges:.223 Win 55gr / .243 Win 95gr / .25-06 Rem 115gr / .270 Win 130gr / .270 WSM 150gr / 7mm Rem Mag 150gr / 7mm WSM 150gr / .300 Winchester Mag 180gr / 300 WSM 180gr / .308 Win 150gr / .338 Win 200grFeatures of the Argos HMR 4-20x50mm Riflescope: Etched Glass ReticleProvides superior backing support for complex reticles and enhanced recoil resistance One-Piece Heat Treated Main TubeProvides significantly more strength and moisture protection when compared to multi-piece tube designsAircraft Grade Aluminum Delivers extra strength and durability while remaining lightweight Advanced Fully Multicoated Lenses Reduces reflection and enhances light transmission for a brighter, crystal clear image Athlon Scopes Athlon Argos HMR 4-20x50mm BDC600A SFP IR Riflescope 214006