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Industry Standard RMR/SRO Footprint & 1913 Picatinny Base.

A20 green dot sight is compatible with RMR/SRO cut slide or mounting plate, suits for most pistols and handguns (The same base as Trijicon RMR/SRO, Holosun 407C/507C/508T).

In addition, a low-profile Picatinny mount is included to be mounted on shotguns, rifles or anything that uses a Picatinny rail interface.

Note: NOT fit for Doctor footprint pistols or RMSc footprint ultra-compact pistol models such as glock 43x/48 mos.

gowutar a20 green dot sights mounted on Taurus display

Shake Awake Technology

The RMR red dot sight integrates with motion sensing illumination tech to help save battery life, a CR1632 battery can be used for up to 50,000 hours. After 4 minutes without motion, illumination shuts off; even the smallest tap or tilt will wake it up to the previous brightness setting.

Note: You need to activate the function by turn on the sight manually, and the function will turn off accordingly after turn off the sight manually.

gowutar a20 green dot sights shake awake technology display

Why Choose the A20 RMR Green Dot Sight?

■ Constructes from aviation-grade 7075 aluminum, 1800Gs shockproof, IPX8 waterproof and anti-rust for use in rugged conditions.

■ Easy return to zero and hold zero without fail (passed 1000 Rounds without losing it).

■ 2 MOA green dot reticle is crisp and very clear on the brightest days.

■ 1 MOA per click Windage and Elevation adjustment, you will hear crisp sound.

■ 10 illumination settings (8 daylight plus 2 NV) for visibility in all light conditions.

■ LED emiter is 100% waterproof, can be used in the rain and even more aggresive water situations.

■ Optical glass with multilayer coatings applied to facilitate maximum light transmission and wear resistance while reducing glare.

■ With parallax corrected & unlimited eye-relief, the green dot won't move with your head or body.

gowutar a20 green dot sights mounted on rifles 45 degree offset display

45° Offset Optic Mounted

gowutar a20 green dot sights mounted on glock display

Handgun Mounted

gowutar a20 green dot sights mounted on Picatinny rail display

Picatinny Rail Mounted 


  • Dot Size: 2 MOA
  • Dot Color: Green
  • Objective Lens Diameter: 24 Millimeters
  • Magnification: 1x
  • Body Material: 7075 aircraft grade Aluminum
  • Lens color: Fully Multi-Coated Clear glass
  • Click Value: 1 MOA per click
  • Windage/Elevation Movement Range: ±45 MOA
  • 10 Illumination Settings: 8 Daytime/2 NV
  • Shockproof: 1800Gs
  • Waterproof: IPX8
  • Battery Type: CR1632
  • Battery Life: 160h-50000h
  • Net weight: 41g/1.45oz
  • Length: 43mm/1.69in
  • Width: 29mm/1.14in
  • Height: 27mm/1.06in

Package Includes

  • 1 x RMR Green Dot Sight
  • 1 x CR1632 Battery
  • 1 x Picatinny Mount
  • 1 x Cleaning Cloth
  • 2 x Mini Wrenches
  • 1 x Screw sets
  • 1 x Protective Cover
  • 1 x Packing Box

gowutar a20 green dot sights accessories display

Press “UP" arrow to power on, hold “DOWN" arrow for 3 seconds to power off.

Note: If you see a splashed dot, please take a picture of the dot with your phone. If you see a perfect dot in the picture, then the dot is normal and you may have astigmatism (because phones are machines that do not have human astigmatism).

gowutar green dot sights size parameters

Check if the Base Fits for your Pistol

Compatible footprint for RMR pistol cut/slide/mounting plate.

gowutar green dot sights top battery display

Top-loading Battery

Top-loading battery is easy to replace without removing the sight from the equipment retaining your zero.

gowutar green dot sights mounted on glock display

Rugged Aluminum Construction

Tough and durable design, hold up to various types of recoils. The rmr red dot sight withstands waterproof test, dropping test and low temperature test, can be used in rugged environment.

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