ATHLON Ares BTR Gen3, Rifle Scope, 2.5-15X Magnification, First Focal Plane, APRS13 Reticle, 50mm Objective, 30mm Main Tube, Black 212015 The Ares BTR GEN3 HD 2.5-15x50 offers a high-definition viewing experience and a long list of top-shelf features without breaking the bank. With a magnification range that hits the sweet spot, this scope is a workhorse that is ideal for an array of applications.