Athlon Optics 4-20x50 Helos BTR GEN2, APRS6 FFP, .1 MIL, 30mm Tube

Athlon Optics 4-20x50 Helos BTR GEN2, APRS6 FFP, .1 MIL, 30mm Tube

4-20x magnification 50mm objective lens 30mm aircraft-grade aluminum tube Exposed locking turrets Precision zero stop High-precision erector system 3.6" eye relief 10 yds to infinity side parallax adjustment 27.9-5.6 feet Field of view at 100 yards 0.1 MIL Click Value 10 MIL adjustment per rotation 32 MIL total elevation adjustment 25 MIL total windage adjustment 13.3" long 27.6 oz APRS6 FFP (First Focal Plane) MIL Etched Glass Reticle Illuminated reticle with variable brightness Advanced Fully-Multicoated lenses XPL protective coating Heat-treated one piece tube Waterproof Fogproof Shockproof Argon purged Lifetime warranty