Top 5 Best Fnx 45 Upgrades

✔Made of high grade aluminum alloy which makes the red dot sight durable and light weight.
✔Integrated mount for standard 20mm Picatinny or Weaver rails which will not loose, made to last.
✔Tubeless design with 40mm reflex lens aperture provides quick target acquisition, also a wider field of view to maintain situational awarenes.

✔SHAKE AWAKE TECHNOLOGY: Equipment shuts the LED sight off during periods of low motion. When the pointer is under the sun you have a bright reticle, when you move indoors it will automatically switch to low conditions. Custom user programmable.
✔LONG BATTERY LIFE: Features includes a SUPER LED high capacity lithium battery to power the optic with up to 50,000 hours of battery life. With the long battery life span, it makes this the perfect sight to carry on long hunting treks.

✔Holosun optics with Solar Failsafe feature automatic brightness adjustment; when you’re under the sun you have a bright reticle, when you move indoors it will automatically dim down to match
✔ADVANCED TECHNOLOGY: There are 12 different brightness settings, including dim settings compatible with night-vision devices for nighttime use. Parallax free optical design, with unlimited eye relief
✔INCLUDES: Holosun HS507C-X2 Red Dot Sight | Coin Battery CR1632 | T10 L Key | Lens Cloth | User Manual | Warranty

✔Ultralight, waterproof and shockproof - Powered one 3V lithium battery (included).
✔Very sturdy and secure rail mounting system. Will not come loose, made to last.
✔Reticle allows for 4 different styles. Dot, Circle/Dot, Crosshair/Dot, Crosshair/Circle/Dot combinations. All in one sight!

✔✅Equipped with adjustable screws, the light can withstand strong impacts and vibrations without loosening after calibration; Easy to install and detach the light by pressing or loosening the side swing arm.
✔✅Compatible with both GL rail (installed on the product) and Picatinny rail (included in the package).
✔✅The output of the green light is <5mW, the class is 3R. Note: The total length of the compatible battery cannot exceed 34.12mm.