ATHLON Helos BTR Gen2, Rifle Scope, 2-12X Magnification, First Focal Plane, AHMR2 Reticle, 42mm Objective, 30mm Main Tube, Black 214105 Affordable, solid, and reliable are seldom associated with long range shooting and hunting. The Helos BTR GEN2 is the exception. Advanced Fully Multi-Coated lenses and XPL coatings balance out this optic for a wide variety of conditions. Cross-over features such as Locking turrets are not just for hunting, they instill confidence in mid to long range shooters as well.