ATHLON ARES BTR GEN3 HD 4.5-27X50MM FFP ILLUMINATED RIFLE SCOPE The Ares BTR GEN3 HD 4.5-27x50 offers a high-definition viewing experience and a long list of top-tier features without breaking the bank. The 30mm argon-purged tube is crafted from a single piece of aircraft-grade aluminum, which makes it extremely durable and resilient. Additional features include Advanced Fully Multi-Coated glass, a precision zero-stop, XPL protective coating, and an illuminated, etched glass reticle. Whether on the range or in the woods, you'll appreciate the quality and craftsmanship of the new Ares BTR GEN3. SPECS Argon Purged High Precision Erector Syst Mfg: Athlon Optics