5 Best Red Dots for Sig P226

Can you put a red dot on P226? of course you can!

Here are the 5 best red dot sights for Sig P226 and an optic plate adapter you can buy to mount all of it.

We will also take a look at some of the newer optic ready P226 slides you can buy at the end.

Let's check it out...

5 Best Red Dot Sights for Sig Sauer P226

Trijicon RMR - Best Durability

Trijicon RMR Type 2 Adjustable Red Dot Sight, 6.5 MOA Red Dot, No Mount, Black, RM07-C-700679

Trijicon RMR RM07-C-700679 is the gold standard of all modern pistol red dot sights. This is the most durable for duty use on your Sig Sauer P226

Multi MOA Dot Size Options - We highly recommend 6.5 MOA model for P226 (for users with astigmatism)

Improved G Force Handling Performance - The RMR Type 2 grips the CR2032 battery tighter to prevent loose electrical contact - The dot stays on no matter what

Slide Racking Assist - RMR is very rugged for slide racking against any hard surfaces. 

Trijicon SRO - Largest FOV

Trijicon SRO Adjustable LED Red Dot Sight, 5.0 MOA Dot Reticle, 2500003

The Trijicon SRO features the largest FOV in a circular shape profile for Sig P226. The sight uses the same RMR footprint, and the battery loads from the top instead of bottom.

Fast Dot Acquisition  - No wasted time looking for the reticle or get lost in the window during follow up shots.

Easier Battery Access - Load/Replace battery right from the top! 

Better Follow Up - Reacquire sight after follow-up shots muzzle flip without losing the dot inside the window.

Read Detailed Review

Holosun 507C X2 - Best Overall

holosun 507c acss reticle slow motion

NEW ACSS Model - Watch the 250 MOA outer ring guides the eye back to the reticle center

The Holosun HE507C X2 is a Trijicon RMR competitor, and it's a much affordable and features a slightly larger field of view.

In addition, the optic features side loading battery access. This means the user no longer has to deal with annoying sight removal or re-zeroing when changing out the battery.

Uses RMR Footprint - The optic uses on the same Trijicon RMR mounting holes

Bigger Buttons - Adjustment buttons in the dark or day easily even with big fingers

Near Infinite Battery life - 50,000 hours of battery life plus solar panel backup power if the battery goes out.

Side Loading Battery - This eliminates the need to remove the sight for battery swap and re-zeroing. Access the battery from the side tray

Solar Power BackUp - Solar fail-safe power kicks in immediately when the battery dies, so the optic will always remain on and ready.

Read Holosun 507C Review

Leupold DeltaPoint Pro - Large FOV Like SRO

Leupold DeltaPoint Pro 6 MOA Dot Red Dot Sight, Matte Black, 181105

The DeltaPoint Pro is Leupold's best open emitter red dot sight. The field of view is as much as a Trijicon SRO but in a rectangular shape. The field of view is actually similar to Trijicon SRO but in an rectangular shape. 

6 MOA and 2.5 MOA - 6 MOA option is much easier to see and it's now available for shooters with astigmatism

Extra Lens Hood Protection - The lens hood protects the main optic frame from direct impact to increase durability and making it fail proof.  

Easier Battery Access - This user friendly design has been implemented into many other newer optics today.

Read more DeltaPoint Pro review

Sig Romeo 1 Pro - Best Sig Red Dot 

The Sig ROMEO 1 Pro is a premium Sig Branded 1X30mm pistol red dot sight, and it's very similar to the DeltaPoint Pro as far as aesthetics. The molded glass aspheric lens is improved to eliminate distortion and provides your Sig P226 responsive target acquisition.

TruHold Design - Sig Sauer's Lockless Zeroing System uses two adjustment springs to endure 9mm recoil and holds zero

Motion Sensor - Same as DeltaPoint Pro, the sight will turn off after sitting idle for a long time to save battery (Overall 20K hrs battery life if left)

IPX 7 - Made with durable aircraft grade CNC aluminum housing to handle field stress

Super Lightweight - Weighing only 1.0 oz


Common FAQ

Where To Get Sig P226 Slide Milling Service?

Sig Sauer P226 users can use the following paid slide milling services:

  • CHPWS
  • Springer Precision
  • Vulcan Machine Werks

In addition, we recommend checking out these optic ready P226 slides to buy:

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