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Questions & Answers
WHAT ADDITIONAL MOUNT WILL I NEED FOR THIS SIGHT ON AN AR556? THANKS Expert Answer

There is no additional mount necessary. This red dot will mount directly to the top of a picatinny rail on an AR.

by Armando R., Gear Expert, March 24, 2020
can I use magnification on this sight? Expert Answer

Yes, you can use a magnifier with this red dot as long as its around an absolute co-witness height.

by Armando R., Gear Expert, March 24, 2020
Customer Reviews
Helpful Positive Review
Hard enough to run in Alaska by Sivispace, August 26, 2018
I received this sight through my work at a gun shop. The reticule is sharper on this sight than on my $560 EoTech 551. The sight is night vision compatible and submursible. I mounted mine on my Remington 870 Marine Magnum using a Mesa Tactical saddle...
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5/6 found this helpful
Helpful Positive Review
Great Option for Close Range by Tyler, June 29, 2018
The Sightmark M-SPEC is exactly what I needed for close-range carbine applications. It is plenty bright for the days when the sun is shining, but seems to hold up well in respects to battery life. It is night-vision compatible if you are shooting on ...
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6/6 found this helpful
Helpful Positive Review
Great sight great price by Joe Wade, Verified Owner, October 2, 2018
Mounted this on my new AK, and the reticle is crisp and clear. Haven't gotten it out to the range yet, but it is solidly constructed. Adjustments are easy and clicks are positive. The auto shutoff feature is very nice and hard to find at this price...
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2/3 found this helpful
Helpful Positive Review
Great Sight by Charlie, January 4, 2017
I purchases this sight for my DP-12 shotgun. I am very happy with how it performs. I shoot a lot of 3" magnum loads in quick succession, and it keeps zero. I also run a Sightmark 3x Magnifier Pro which this is fully compatible with - no issues. O...
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2/2 found this helpful
Helpful Positive Review
Sightmark milspec by ALAN, June 27, 2018
I suffer from severe astigmatism. I need to use a side when I shoot with both eyes open. After much research I found this particular model. It was very easy to sign in using a laser bore. And I'm able to use it with both my eyes open. All of the issu...
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4/4 found this helpful
Helpful Positive Review
Great for the price. by Wyman, November 17, 2016
Looked at a lot of reviews and saw mixed answers on some specifics I was looking good for. First was that, the battery is a CR2. Some say a CR123, some say CR2. The FMS has a motion sensor so you can keep it "on" all the time. That's the main reason ...
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3/3 found this helpful
Read All 8 Reviews
Color: Black Magnification: 1 xReticle: Multiple reticles Illumination Color: Red Eye Relief: Unlimited Adjustment Type: MOA Adjustment Click Value: 1 MOABattery Type: CR2 Battery Quantity: 1 Shockproof: Yes Fogproof: No Included Accessories: Neoprene cover/adjustment tools/CR2 battery/manual Condition: Factory DEMO Magnification Type: Fixed Lens Finish: AR Red Attachment Type: Picatinny , Weaver Mount Type: Weaver

Code: XK-RD-SM26010-DEMO

MPN: SM26010-DEMO

Product No Longer Available

Product Info for SightMark SM26010 Ultra Shot M-Spec FMS Reflex Sight

Tighten your groupings and quickly acquire targets using the SightMark SM26010 Ultra Shot M-Spec FMS Reflex Sight. SightMark crafted these Red Dot Sights with an incredibly durable magnesium alloy housing that's waterproof and shockproof for use in harsh conditions and on weapons with powerful recoil. The SightMark Ultra Shot M-Spec FMS 1x Reflex Sight offers multiple brightness settings for the 65-MOA circle-dot reticle, and with up to 1,000 hours of battery life, you can confidently head out on your next hunt or range session knowing you have plenty of power to keep your aim on target. Unleash your full potential with your firearm by mounting a SightMark Ultra Shot M-Spec FMS LED Reflex Sight.image

Make your Mark.

Features of SightMark SM26010 Ultra Shot M-Spec FMS Reflex Sight:

  • Six variable brightness levels for daytime use and six settings in night vision mode
  • Magnesium alloy housing
  • Battery life of up to 1,000 hours
  • Protective hood that shields it from impact and a shock-proof frame for up to .50 caliber recoil
  • Fully submersible up to 40 feet of water
  • Dual-pane glass and a parallax-corrected lens system, allowing shooters to sight accurately from 10 yards to infinity
  • This M-Spec uses an accelerometer that detects motion, so if the rifle sits motionless for more than 5 minutes, the attached sight will shut off. When the rifle is picked up or moved the sight will turn on again.

Package Contents:

  • SightMark Ultra Shot M-Spec FMS Reflex Sights

Red Dot Accessories

1–60 / 60
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Red Dot Sight Magnifier

1–17 / 17
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Related Products to SightMark SM26010 Ultra Shot M-Spec FMS Reflex Sight

SightMark SM26010 Ultra Shot M-Spec FMS Reflex Sight Unavailable & Discontinued Models

List of Unorderable Models

  • Demo, SightMark Ultra Shot M-Spec FMS Reflex Sight SM26010 , MPN: SM26010-DEMO , Code: XK-RD-SM26010-DEMO
  • SightMark Ultra Shot M-Spec FMS Reflex Sight SM26010 , MPN: SM26010 , UPC: 812495020728 , Code: XK-RD-SM26010-EE
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