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Questions & Answers
Can this sight be used on a Ruger 556 with the factory front post on the barrel? Expert Answer

You could potentially cowitness the SightMark Ultra Shot R-Spec Reflex Sight with an A2 front sight post on a Ruger AR556. However, if you are going to continue using that front sight I recommend using a riser with the SightMark Ultra Shot R-Spec Reflex Sight.

by Hunter, Gear Expert, March 28, 2022
Can this be used with the sightmark 3x magnifier ? Or is that a different model of this same sight ? Expert Answer

The SightMark Ultra Shot R-Spec Reflex Sight can be used with the Sightmark 3x magnifier. The magnifier will work almost any reflex sight except for prismatic optics.

by Ethan, Gear Expert, February 2, 2022
Customer Reviews
Helpful Negative Review Returned due to non-functioning reticle switch by ideola, Verified Owner, December 17, 2019
I own several SightMark reflex sights, so I was excited to try this. Unfortunately, the switch for changing the reticle was non-functional. It did not change reticle, and it did not "click" when moved to the different "detents" as the instruction man...
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2/5 found this helpful
Most Recent Reviews SightMark Ultra Shot R - Spec Reflex Sight by Firing Flawess, August 19, 2021
A great product to attach to your Shotgun! Red and Green transition is smooth as well as the optional sights. Great product that gives you options but doesn’t cost too expensive. Battery is included with a nice snag wire for the battery cap to not ge...
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Most Recent Reviews best budget sight by patriot bill, August 7, 2021
second one bought, I've tried dozens of budget sights, this is by far my favorite! Would recommend To anyone !! Clear glass, sturdy mount, easy to zero.... I use a dime to make adjustments, can't beat it for the money !!
Most Recent Reviews pretty good by Jason Langley, November 24, 2020
It’s a runner , it’s no eotech but it’s worth the money it’s a little fuzzy but easy to use and zero I like it ! I’ve used it for about six months now and I’m going to get an optimizer for it if I can , I think the optimizer for it that is only a co...
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0/1 found this helpful
Most Recent Reviews Awesome optic by Nate, July 29, 2020
Optic held zero perfectly after countless rounds at the range. I also enjoy the option of having the reticle is red or green. The different reticle settings was also a plus. Will definitely recommend this sight to any of my friends that are looking f...
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Read All 5 Reviews

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Product Info for SightMark Ultra Shot 1x 33x24mm Reflex Red Dot Sight (R-Spec)

The SightMark Ultra Shot R-Spec Advanced Spec Reflex Sight - Dark Earth has been designed to provide shooters with the perfect reflex sight for target and tactical situations. Built with a rugged 6061-T6 aluminum body and protective shield, these Red Dot Sights will provide you with year after year of reliable and efficient service. The advanced AR-coated, scratch-resistant lens system on the SightMark Ultra Shot R-Spec Reflex Sight is parallax corrected beyond 25 yards. Unlimited eye relief and red/green reticle options with ten brightness settings on this Reflex Sight from SightMark allow you to quickly acquire your target in any lighting and weather conditions. For a red dot sight that will never let you down when you need it most, choose the Sight Mark Ultra Shot R-Spec Reflex Sight. Sightmark Ultra Shot R-Spec Reflex Sights feature industry-leading shockproof, multi-coated glass to ensure you have a sight that will last throughout the entirety of your hunting career. Make your Mark.image

Specifications for SightMark Ultra Shot 1x 33x24mm Reflex Red Dot Sight (R-Spec):

Manufacturer: SightMark
Finish: Matte
Fabric/Material: Aluminum 6061-T6
Magnification: 1 x
Objective Lens Diameter: 33 mm
Objective Window Size: 33x24 mm
Reticle: 4 pattern
Illumination Type: LED
Illumination Color: Red
Brightness Settings: 10
Eye Relief: Unlimited
Adjustment Type: MOA
Adjustment Click Value: 1 MOA
Emitter Type: Open
Lens Material: Glass
Battery Type: CR123A
Battery Quantity: 1
Water Resistance Level: IP55
Water Resistant Mark: 40 ft
Weight: 10.7 oz
Condition: New
Magnification Type: Fixed
Red Dot Sights-Footprint: RMSc
Mount Type: Picatinny

Features of SightMark Ultra Shot 1x 33x24mm Reflex Red Dot Sight (R-Spec):

  • Rugged lightweight aluminum alloy housing
  • Protective aluminum shield
  • Quick detach picatinny mount
  • Wide lens provides quick target acquisition
  • Slotted windage and elevation adjustments
  • Red and green reticle illumination
  • Low battery indication
  • Digital switch controls
  • 10 reticle brightness levels
  • 1 hour auto shutoff
  • Multiple reticle options
  • Scratch resistant lens coating
  • Interlock internal locking adjustment system

Package Contents:

  • SightMark Ultra Shot 1x 33x24mm Reflex Red Dot Sight (R-Spec)
  • Neoprene cover
  • Adjustment tools
  • Battery
  • Manual

SightMark Ultra Shot 1x 33x24mm Reflex Red Dot Sight (R-Spec) Orderable Models

List of Orderable Models

SightMark Ultra Shot R-Spec 1x 33x24 mm Reflex Red Dot Sight, 5 MOA Red Dot, 3 MOA Red Dot, Dark Earth, SM26031DE , MPN: SM26031DE , UPC: 812495023408 , Code: XK-RD-ULTRSP-SM26031DE
SightMark Ultra Shot R-Spec 1x 33x24 mm Reflex Red Dot Sight, 5 MOA Red Dot, 3 MOA Red Dot , Black, SM26031 , MPN: SM26033R , UPC: 812495027031 , Code: XK-RD-ULTRSP-SM26033R

SightMark Ultra Shot 1x 33x24mm Reflex Red Dot Sight (R-Spec) Unavailable & Discontinued Models

List of Unorderable Models

Refurbished, SightMark Ultra Shot R-Spec Reflex Sight - Dark Earth, Brown, SM26031DE , MPN: SM26031DE-REFURB , Code: XK-RD-ULTRSP-SM26031DE-REFURB
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