8 Large Window Red Dot Sights
In this guide, let's check out some of the 8 best large window red dot sights for pistol and rifle use
Get good optics that will NOT lose zero, check out these proven products below:
For Pistol Use
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Trijicon SRO - Best Overall
Overall Window Size: 1X24mm
Why we picked this one - The SRO uses the same RMR footprint to fit any existing RMR optic cut slide. If you want the largest field of view red dot sight on a pistol, the Trijicon SRO is the way to go.
Same RMR mounting footprint - Using the exact Trijicon RMR mounting footprint keeps everything compatible without having to buy special accessories.
Not Lose The Dot - Acquire the dot fast and consistent even if you're slightly off center with full arm length pistol draw
Automatic Mode - Improved brightness control system to lock the mode for conceal carry
Various Dot Sizes - Choose from 1 MOA to 6.5 MOA. 6.5 MOA is highly recommended for pistol use
Top Battery Access - Load/Replace battery right from the top! No sight removal or re-zero required
Better Follow Up - Reacquire the dot much faster after each follow-up shots, and waste no time finding the dot
Leupold DeltaPoint Pro - Best Durability
Overall Window Size: ~1X25.7mm
Why Use The DeltaPoint Pro - This sight has similar FOV size as the Trijicon SRO but in a retangular shape. This is Leupold's best selling micro red dot sight for pistol and rifle use.
Larger Window Than RMR - The first well known handgun optic in the market with a large window for faster target acquisition speed.
Extra Housing Protection - Lens hood protects the main optic glass frame from direct impact to increase the durability
Easier Battery Access - Load/Replace battery right from the top
6 MOA - 6 MOA dot size is now available for pistol applications. Works better for shooters with astigmatism
Swampfox Liberty - Unique FOV Design
Overall Window Size: ~1X27mm
Why we picked this one - The Swampfox Liberty uses the same RMR footprint to fit on any existing RMR optic cut. The FOV gets bigger on top without increase the base width of the optic.
Track The Dot Better - Wide 1X27mm FOV helps dot tracking within the window.
Skeletonized Body - Weight reduction and fits most optic ready holsters including ALS series duty holsters
Shake Awake - IMotion sensor activates the optic reticle when in motion (Even just a small tap)
Top Loading Battery - Same user friendly design as the Trijicon SRO
Sig ROMEO3 MAX - Unique FOV Design
Overall Window Size: 1X30mm
The Sig ROMEO 3 MAX 1X30mm is an product in direct competition to the Trijicon SRO around the same time they were released.
This open reflex optic is designed for competition (influenced by Max Michel) use that features similar large circular window like the SRO.
The run time is about 20K hours (uses CR2032 battery) shorter than the Trijicon SRO, but the rest of the optic features similar specs.
3 and 6 MOA dot size are available.
As far as for users with astigmatism who want bigger dot sizes, the 6 MOA dot size is a better option.
For Long Gun Use
Trijicon MRO - No Tube Effect
Overall Window Size: 1X25mm
Why Get The MRO - The MRO is as strong as the Aimpoint Micro, but with bigger field of view at a cheaper price point. It accepts all types of aftermarket mounts to make it work on your gun.
Reduced View Obstruction - No view obstruction on the sides due to turret or brightness adjustment knobs. It's also ergonomical for lefties and righties.
Reduced Tube Effect - The tapered body design allows the tube to remain small while giving the shooter a wide view.
Battle Proven Durability - The 7075 T6 aluminum body survives rough handling, drops, recoils and kicks
Holosun 510C - Best For The Money
Overall Window Size: ~1X32mm
Find Target Fast - It's very helpful when shooting on the move or transitioning with both eyes open thanks to the large viewing window that doesn't obstruct shooter's view.
Flexible Head Movement - Parallax free reticle stays on target accurately even if the shooter's eye shifts off center horizontally or vertically.
Versatile Reticle System - Use the 65 MOA reticle circle for range estimation
Holosun AEMS - Unique FOV Design
Overall Window Size: 1X28mm
The AEMS is Holosun's newest large window enclosed emitter red dot sight (IPX7 rated). In many ways, this product will set the new standard for Holosun rifle and PCC red dot sights.
Smaller Profile - AEMS is small and almost look like an Holosun 509T for PDW type rifle setup
Lens Cover - Included both front and back see through lens cover
7075 T6 Construction - Built with materials stronger than the standard 6061 T6 aluminum
Motion Sensor - It features the same MOTAC system as many Holosun products
Green or Red Reticle - Pick the reticle color you like
CQB Ring Reticle - 2 MOA center dot with the option to turn on the 65 MOA ring for range estimation and mechanical offset
Steiner R1X - Unique FOV Design
Overall Window Size: 1X32mm
The Steiner R1X is one of a kind red dot sight that's compact and beefy looking. The R1X reduces the “tunnel vision” of hard-focus iron sights for quicker target acquisition, enhanced accuracy and greater situational awareness.
Other Mentions Worth Checking Out
Holosun 507C ACSS - Best Dot Tracking Reticle
Overall Window Size: 1X23mm
The Holosun 507C ACSS has a similar size window as a Trijicon RMR, but it's ACSS Vulcan reticle is design to help shooter find the reticle faster without increasing the window size.
The whole point of a big window red dot sight is to have wider field of view and to track the dot better. The ACSS Vulcan reticle is an unique design worth checking out
