The HM3X is an aluminum housing 3X magnification designed for use with a red dot sight. The HM3X is full of features and includes a side-swivel Picatinny rail quick mount (both hands). The HM3X includes a spacer for absolute and lower 1/3 point height compatibility. The HM3X has a generous 2.75-inch eye relief. IP67 certified waterproof and includes windage and elevation adjustments to accurately zero your optics to the zero point. The HM3X also includes a built-in minus screwdriver (tool) for easy adjustment. Adjustable focus.

Waterproof: IP67
Dimensions: 10.16 x 4.32 x 6.35 cm
Weight: 278g
Material: aluminum
Storage temp: -20℃~65℃
Use temp: -20℃~51℃
Vibration resistance: 1000G