Element Helix 2-16x50 HDLR 30mm SFP SF APR-1C MRAD Reticle/Turrets Scope
HDLR = High Definition Long Range. APR stands for “All-Purpose Reticle”, and that’s the concept behind the design of the APR C & D variants. The “C” is the “clean”, or simpler of the two, with fewer markings than the “D” variant.