Pride Fowler PFI Rapid-Reticle RR Evolution 3-12x42mm, Illuminated Rapid Ranging 5.56/7.62x51 Reticle RRE002 Rapid Reticle BDC for 7.62NATO holdovers to 900yards and featuring Rapid Ranging (9 and 18 objects), wind holds up to 10mph, and elevation differential (175gr 7.62NATO) Nitrogen filled one piece 30mm diameter 6061 T6 aluminum tube with matte black anodized finish Shock, fog, and water proof multi-coated lenses 3-12x42mm with fast focus ocular and objective parallax adjustment First focal plane reticle with true ballistic holds throughout the magnification range Positive  MOA adjustments on low profile target turrets with reset to zero feature