Cobra 1x28x20



Red Win HD Cobra 1x28x20 RMR Red Dot Scope 50000 hrs 3MOA Auto Light Sense Pistol Collimater Sight for GLOCK 17 19 9mm AR15 M4

Large and Unobstructive field of view

Multi Coated Lens


Auto Light Sens

Manual adjustment


• 3 MOA Red Dot
• Multi Coated Lens
• 8 Level Red Illumination + 2 Night Vision
• 50000 Hours Battery Life
• Ambidextrous Digital Switch Brightness Control
• Auto Light Sense + Manual adjustment
• 4 hours Auto Turn OFF
• IPX67 Waterproof ( 1 m water, 0.5 hour )
• RMR Mount Base
• Shockproof 1200g’s


• Aircraft grade Aluminum T-6061 one piece built red dot house brings an outstanding compact, light weight and durability.

• Multi coated optical lens extremely increased the image quality and reduced the parallax in the target area.

• O-ring seal with waterproof 703 glue built battery house + 502 glued LED hold warehouse prevent moisture, dust and debris from penetrating. Waterproof tested in 1 m water, 0.5 hours.

• Up to 50000 hours Battery life. 3 MOA dot size, 8 level red illumination, dot is visible in sunlight. 2 level extra low light brightness fit for night vision.

• Intelligence Auto Light Sense system suitable for switching between indoor and outdoor shooting environments. Press “+” 3 seconds for manual adjustment of red dot level

• 4 hours Auto Turn OFF saving energy for your next shooting



Magnification: 1x
Objective Lens: 28mmx20mm
Reticle Type: 3 MOA Dot
Reticle Color: Red
Brightness: 8 level daylight, 2 level night vision
Eye Relief: Unlimited
Windage Range of Adjustment: 45MOA
Elevation Range of Adjustment: 45MOA
Adjustment Value : 1MOA
Maximum Recoil: 1200g’s
IP Standard: IPX67
Shockproof:yes, (3ft /0.9m Drop Test)
Fog Proof: yes
Mount Type: Weaver/RMR
Battery Type: CR2032
Batter Life: 50000 Hours (low), 4000 Hours (Level 5), 300 Hours (Level 10)
Battery Voltage: 3 V
Operating Temperature: -20℃ - 60℃ (-4℉ - 76℉)
Length: 1.8 in (45.6mm)
Width:1.22 in (31.1mm)
Height: 1.06 in (27mm)
Net Weight: 28.4g (1 oz)


3 MOA Red Dot

Package Including

Picatinny Mount Base x 1pc
Wrench x 1pr
6-32 x 7/16" Screws x 1pr
6-32 x 1/4” Screws x 1pr
Rubber Lens Cover x 1pc
Cleaning Cloth x 1pc
User's Manual x 1pc