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Red Dot Sights & Magnifiers

Red Dot Sights & Magnifiers: Rapid Target Acquisition and Unmatched Situational Awareness

If you want to hit your target faster and more accurately, upgrading your firearm's optics is one of the best choices you can make. At their core, these are electronic optics that project a glowing aiming point onto a glass lens. Instead of struggling to line up traditional front and rear metal posts, you simply place the glowing dot on your target and shoot.

Military operators, law enforcement officers, hunters, and everyday civilians focused on home and self-defense use these optics heavily. Because they allow you to shoot with both eyes open, you keep your full field of view and real-time situational awareness. You will commonly see a tactical red dot sight used in close-quarters battle environments, poorly lit buildings, and dense woods. Whenever speed and visibility are critical, these tools give the shooter an incredible advantage.

Optics and Magnifiers: Specifications

When you are looking at Red Dot Sights & Magnifiers for sale, it helps to understand how they are built and how they function. Modern gear is designed to survive heavy weapon recoil, bad weather, and rough tactical handling. Here is a breakdown of the materials and technical setups you will find in top-tier optics:

Component

Common Configuration

Benefit to the Shooter

Housing Material

Aerospace-grade aluminum

Keeps the optic lightweight while remaining completely waterproof, fog-proof, and shockproof.

Battery Life

10,000 to 50,000+ hours

Many modern red dot optics use motion-sensing technology (shake-awake) to save battery life.

Reticle Size

2 MOA to 6 MOA dots

Smaller dots are better for precision rifle distance; larger dots are faster to spot for handguns.

Mounting

Picatinny or Weaver standard

Allows for quick, secure attachment to almost any modern rifle, shotgun, or platform.

Magnification

1x base, 3x or 5x add-on

A magnifier for red dot setups sits behind the optic and easily flips into place when you need to see farther away.

Choosing Your Optic: Compare and Contrast

Shooters often wonder which exact setup is right for their specific needs. This quick red dot sight buying guide breaks down the most common comparisons so you know exactly what to put on your firearm.

  • Red Dot vs Holographic Sight: A standard electronic dot uses a highly battery-efficient LED light to create the aiming point. A holographic sight uses a laser and mirrors to project a glowing hologram. Holographic sights are excellent for shooters with astigmatism, but they generally drain batteries much faster.

  • Red Dot vs LPVO: A Low Power Variable Optic (LPVO) is a traditional rifle scope that can adjust from 1x magnification up to 6x or 8x. While an LPVO is great for dedicated long-range shooting, an electronic dot paired with a flip-to-side magnifier is much lighter and much faster for close-quarters engagements.

  • 3X vs 5X Magnifier: When picking red dot magnifiers, think about the distance you plan to shoot. A 3X multiplier provides a wider field of view for targets within 100 to 200 yards. A 5X multiplier gives you more reach but narrows how much you can see around the target.

  • Prism Scope vs Red Dot: Prism scopes have a physical reticle permanently etched into the glass. If your battery dies, you can still see the crosshairs. However, they have restricted eye relief, meaning your head must be perfectly positioned. Electronic dots offer unlimited eye relief, meaning your head can be anywhere behind the glass.

Red Dot Optic FAQs: What You Should Know

If you are new to upgrading your firearms, you probably have some basic questions. Here is what people are constantly searching for when learning about these products:

  • What Is a Red Dot Sight? It is a zero-magnification (1x) aiming device that projects an illuminated dot for targeting. It completely replaces the need to align traditional iron sights, taking the guesswork out of aiming.

  • How do Red Dot Magnifiers Work? A red dot magnifier is a secondary tube of magnifying glass placed directly behind your main optic on the rifle rail. It enlarges both the glowing dot and the target so you can make accurate shots at longer distances.

  • Red Dot vs Iron Sights: Which is better? Iron sights are highly reliable backups, but electronic aiming points are far superior in low light and allow for much faster reaction times under stress.

  • Are these good for handguns? Yes. Upgrading to reliable pistol sights featuring a bright illuminated dot helps you quickly find your target without needing perfect wrist alignment.

Tactical Set-Up: Upgrading Your GEAR

Build a reliable setup by pairing the right gear for your mission. When you buy red dot sights and magnifiers from Atomic Defense, you get equipment trusted by professionals. Here are some of our major collections for you to complete your setup:

Red Dot Sight

  • Match your red dot sight to your specific firearm, whether it is a tactical rifle or a duty handgun. Pair handgun red dot optics with tall pistol sights to act as a reliable backup if the battery dies. Use a tactical red dot with night-vision settings if you run helmet-mounted gear, like our Ops-Core collection.

Magnifiers

  • Place a red dot magnifier directly behind your main optic to shoot distant targets accurately. Use a flip-to-side magnifier for red dot setups (3X or 5X) to instantly switch between close and mid-range targets. Red dot magnifiers improve target identification without adding the heavy weight of a traditional scope.

Red Dot Mounts

  • Use tough aluminum mounts so your optic holds a true zero under heavy recoil. Choose absolute or lower 1/3 co-witness mounts to properly align your dot with backup iron sights. Pick a high-rise mount for a comfortable, heads-up aiming position, which is perfect when wearing night vision or tactical masks.

Explore our full inventory of Red Dot Sights & Magnifiers for sale above to build your ultimate tactical setup today!

Filters

  • CompM4™ Red Dot Reflex Sight - No Mount

    Original price $1,120.00
    Original price $1,120.00 - Original price $1,120.00
    Original price $1,120.00
    Current price $1,009.00
    $1,009.00 - $1,009.00
    Current price $1,009.00

    The Aimpoint® CompM4 sight, with a high battery compartment, belongs to the CompM4 series, which are the finest sights Aimpoint has ever produced. ...

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  • 3X-C™ Maginifier - 39mm FlipMount and TwistMount base

    Original price $963.00
    Original price $963.00 - Original price $963.00
    Original price $963.00
    Current price $868.00
    $868.00 - $868.00
    Current price $868.00

    The Aimpoint® 3X-C Magnifier is a premium optic designed to increase capabilities for observation or target acquisition at longer distances. Whethe...

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  • Hunter H30S™ Red Dot Reflex Sight - 2 Rings

    Original price $1,126.00
    Original price $1,126.00 - Original price $1,126.00
    Original price $1,126.00
    Current price $999.00
    $999.00 - $999.00
    Current price $999.00

    The Aimpoint Hunter H30S is a modern, advanced red dot sight designed for increased speed and accuracy in the field. Primarily designed for use on ...

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  • EOTECH G45 Magnifier - 5X Magnification - QD Mount - Switch-to-Side - 34mm - Matte Finish - Tan - Includes Mount

    $755.00
    Original price $755.00 - Original price $755.00
    Original price $755.00
    $755.00
    $755.00 - $755.00
    Current price $755.00

    The G45.STS mini 5X Magnifier has the similar weight and dimensional properties as the existing G33 Magnifier, but with an additional 2X magnificat...

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  • EOTECH G45 Magnifier - 5X Magnification - No Mount - Matte Finish - Black

    $635.00
    Original price $635.00 - Original price $635.00
    Original price $635.00
    $635.00
    $635.00 - $635.00
    Current price $635.00

    The G45.STS mini 5X Magnifier has the similar weight and dimensional properties as the existing G33 Magnifier, but with an additional 2X magnificat...

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  • Unity FAST 4X Magnifier - Instant 4X Magnification & No Re-Zeroing - 7075-T6 Aluminum & FTC Omni Compatible

    Original price $495.00
    Original price $495.00 - Original price $495.00
    Original price $495.00
    Current price $450.00
    $450.00 - $450.00
    Current price $450.00

    Unity Tactical FAST 4X Magnifier: The 4X Optic That Folds Center to Prevent Snags The Unity Tactical FAST 4X Magnifier is a professional optical e...

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  • Sig Sauer Juliet4 4X Magnifier - PowerCam 90° Rotation Mount w/ Height Adjustment

    $399.99
    Original price $399.99 - Original price $399.99
    Original price $399.99
    From $399.99
    $399.99 - $419.99
    Current price $399.99

    Sig Sauer Juliet4 4x Magnifier with Flip-to-Side Mount Seamless Transition Between Views: Quickly switch between close-quarters and magnified vie...

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  • Aimpoint 6x Magnifier - No Re-Zeroing for Instant Magnification - Shockproof & Waterproof

    Original price $1,193.00 - Original price $1,652.00
    Original price $1,193.00 - Original price $1,652.00
    Original price $1,193.00
    From $1,074.00
    $1,074.00 - $1,487.00
    Current price $1,074.00

    Aimpoint 6XMag-1: 6X Magnification to Command long-range target acquisition. The Aimpoint 6XMag-1, aka simply as the Aimpoint 6x Magnifier, is a p...

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  • Trijicon RCR - 3.25 MOA Enclosed Red Dot with Direct RMR Mounting - Up to 6-Year Battery Life

    Original price $1,019.00 - Original price $1,019.00
    Original price
    $1,019.00
    $1,019.00 - $1,019.00
    Current price $1,019.00

    Trijicon RCR Red Dot Sight: The Next Enclosed Red Dot for Extreme Durability and Direct RMR Mounting The Trijicon RCR Red Dot Sight is a rugged...

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  • Trijicon SRO (Specialized Reflex Optic) - 1 MOA - Adjustable LED - Matte Black Finish

    $822.00
    Original price $822.00 - Original price $822.00
    Original price $822.00
    $822.00
    $822.00 - $822.00
    Current price $822.00

    The Trijicon Specialized Reflex Optic (SRO) 1.0 MOA Adjustable LED red dot is best suited for use on a rifle or target pistol application or in app...

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  • Trijicon Trijicon Dual Defense Kit - RMR - Reflex Sight - Red Dot - 3.25 MOA - Adjustable LED - Black - Includes M17/18 Mount with Integrated Suppressor/Optic Height Sights

    $925.00
    Original price $925.00 - Original price $925.00
    Original price $925.00
    $925.00
    $925.00 - $925.00
    Current price $925.00

    The Trijicon Dual Defense Kit combines the legendary RMR and the Suppressor/Optic Height Sight Set into one, easy-to-use kit. This new kit adds spe...

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  • Trijicon Trijicon Dual Defense Kit - RMR - Reflex Sight - Red Dot - 3.25 MOA - Adjustable LED - Flat Dark Earth - Includes M17/18 Mount with Integrated Bright and Tuff Suppressor/Optic Height Sights - Tritium with Black Outline

    $950.00
    Original price $950.00 - Original price $950.00
    Original price $950.00
    $950.00
    $950.00 - $950.00
    Current price $950.00

    The Trijicon Dual Defense Kit combines the legendary RMR and the Suppressor/Optic Height Sight Set into one, easy-to-use kit. This new kit adds spe...

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  • Trijicon Trijicon Dual Defense Kit - RMR - Reflex Sight - Red Dot - 3.25 MOA - Adjustable LED - Flat Dark Earth - Includes M17/18 Mount with Integrated Suppressor/Optic Height Sights

    $950.00
    Original price $950.00 - Original price $950.00
    Original price $950.00
    $950.00
    $950.00 - $950.00
    Current price $950.00

    The Trijicon Dual Defense Kit combines the legendary RMR and the Suppressor/Optic Height Sight Set into one, easy-to-use kit. This new kit adds spe...

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  • Trijicon RMR Type 2 Reflex Sight - Green Dot - 3.25 MOA - Adjustable LED - Black

    $810.00
    Original price $810.00 - Original price $810.00
    Original price $810.00
    $810.00
    $810.00 - $810.00
    Current price $810.00

    Available in red or green, the 3.25 MOA dot in the RM06 is the most versatile and popular of all RMR dot sizes. The dot is small enough to allow ac...

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  • Trijicon RMR - Type 2 - Adjustable - 3.25 MOA - Hard Anodized Coyote Brown Finish

    $823.00
    Original price $823.00 - Original price $823.00
    Original price $823.00
    $823.00
    $823.00 - $823.00
    Current price $823.00

    The RMR Type 2 was selected by U.S. Special Operations Command (USSOCOM) for the Handgun Reflex Sight (HRS) Contract after extensive testing and ev...

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  • Trijicon RMR Type 2 Reflex Sight - 3.25 MOA - Adjustable LED - Gray

    $835.00
    Original price $835.00 - Original price $835.00
    Original price $835.00
    $835.00
    $835.00 - $835.00
    Current price $835.00

    The RMR Type 2 is designed with a patented housing shape that absorbs impacts and diverts stresses away from the lens to increase durability. It al...

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  • Trijicon RMRcc (Concealed Carry) - Micro Reflex Sight - 13mm Objective Lens - 3.25 MOA Red Dot - Matte Finish - Black

    $734.00
    Original price $734.00 - Original price $734.00
    Original price $734.00
    $734.00
    $734.00 - $734.00
    Current price $734.00

    Split seconds matter. The new Trijicon RMRcc has a thinner, lower-profile design that reduces the risk of snags for a faster and easier draw. Altho...

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  • Steiner T1Xi | Red Dot | 1X Magnification | 2 MOA Dot | 24 Objective | Matte Finish | Black

    Original price $833.99
    Original price $833.99 - Original price $833.99
    Original price $833.99
    Current price $652.49
    $652.49 - $652.49
    Current price $652.49

    At the heart of the new T1Xi are crystal-clear Steiner lenses coupled with three distinct reticle options: a 60 MOA circle with a 2 MOA dot, a stan...

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  • Steiner MPS-C | Pistol Sight | 1X Magnification | 21X19mm Objective | 1.6 MOA Red Dot | Matte Finish | Black

    Original price $574.99
    Original price $574.99 - Original price $574.99
    Original price $574.99
    Current price $449.99
    $449.99 - $449.99
    Current price $449.99

    Purpose-built for the demanding environments faced by law enforcement professionals and protection-minded citizens alike, the MPS-C carries forward...

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  • Steiner MPS | Red Dot | 1X Magnification | Red Dot | 3.3 MOA | Matte Finish | Flat Dark Earth

    Original price $689.99
    Original price $689.99 - Original price $689.99
    Original price $689.99
    Current price $539.99
    $539.99 - $539.99
    Current price $539.99

    Steiner brings battle-proven durability and mil-spec ruggedness to pistol red dots with the NEW MPS (Micro Pistol Sight). All-metal construction an...

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  • Steiner MPS | Pistol Sight | 1X Magnification | 20x16mm | Red Dot | 3.3 MOA | Matte Finish | Black | ACRO Footprint

    $399.99
    Original price $399.99 - Original price $399.99
    Original price $399.99
    $399.99
    $399.99 - $399.99
    Current price $399.99

    Steiner brings battle-proven durability and mil-spec ruggedness to pistol red dots with the NEW MPS (Micro Pistol Sight). All-metal construction an...

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  • Holosun Technologies SCRS - Red Dot Sight - Non-Magnified - Fits 509T Footprint - Red 2 MOA Dot - Matte Finish - Black - Solar with 2032 Battery

    Original price $270.58
    Original price $270.58 - Original price $270.58
    Original price $270.58
    Current price $229.99
    $229.99 - $229.99
    Current price $229.99

    The SCRS-RD-2 (Solar Charging Rifle Sight) advances Holosun's SCS technology creating an all-new, ultra compact 20mm tube sight designed for rifle ...

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  • Holosun Technologies Ronin 507 COMP - Red Dot - Non-Magnified - Multi-Reticle System (MRS) - 32 MOA Circle and 2 MOA Dot - Anodized - Black

    Original price $464.69
    Original price $464.69 - Original price $464.69
    Original price $464.69
    Current price $394.99
    $394.99 - $394.99
    Current price $394.99

    The Ronin 507COMP handgun sight features a large 1.1"" x 0.87"" objective lens for enhanced shooting performance and Holosun's 32MOA ring with 2MOA...

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  • Holosun Technologies Ronin EPS Carry - Red Dot - Non-Magnified - Multi Reticle System (MRS) - 32 MOA Circle with 2 MOA Dot - Shake Awake - Anodized Finish - Black

    Original price $458.81
    Original price $458.81 - Original price $458.81
    Original price $458.81
    Current price $389.99
    $389.99 - $389.99
    Current price $389.99

    The Ronin EPS Carry is an enclosed handgun sight designed for single or 1.5 stack handguns. The Ronin EPS Carry is engraved with the Iconic Ronin d...

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  • Holosun Technologies Ronin AEMS MAX - Red Dot - Non-Magnified - Multiple Reticle System (MRS) - 32 MOA Circle with 2 MOA Dot - Shake Awake - Solar Failsafe - Anodized Finish - Black

    Original price $635.28
    Original price $635.28 - Original price $635.28
    Original price $635.28
    Current price $539.99
    $539.99 - $539.99
    Current price $539.99

    The Ronin Advanced Enclosed Micro Sight MAX (AEMS-MAX) offers the largest objective lens dimensions of any Holosun optic measuring a staggering. Th...

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  • Holosun Technologies Micro Red Dot - 2 MOA Dot with 65 MOA Circle or 2 MOA Dot - QD Mount - Removeable/Rotating Flip Lens Caps - Side Battery - Black

    Original price $376.46
    Original price $376.46 - Original price $376.46
    Original price $376.46
    Current price $319.99
    $319.99 - $319.99
    Current price $319.99

    The HS515GM is a micro red dot optic equipped with a 65 MOA circle dot reticle with the option of switching to a 2MOA dot only. The G signifies tha...

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  • Holosun Technologies Micro Red Dot - 2 MOA Dot with 65 MOA Circle or 2 MOA Dot - QD Mount - Removeable/Rotating Flip Lens Caps - Side Battery - Black

    Original price $411.75
    Original price $411.75 - Original price $411.75
    Original price $411.75
    Current price $349.99
    $349.99 - $349.99
    Current price $349.99

    The HS515CM is a micro red dot optic. The operator can switch from a 2 MOA dot to a 65 MOA circle dot with a push of a button. Holosun's highly eff...

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  • Holosun Technologies HS510C - Reflex Sight - Multiple Reticle - 65 MOA Circle - 2 MOA Red Dot - Aluminum Housing - Matte Finish - Flat Dark Earth - Solar with Internal Battery

    Original price $364.69
    Original price $364.69 - Original price $364.69
    Original price $364.69
    Current price $309.99
    $309.99 - $309.99
    Current price $309.99

    The HE510C-GR Elite is Holosun's flagship Open Reflex optic. The HE510C-GR Elite has an open frame for a wide sight picture. The HS510C Elite is po...

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  • Holosun Technologies HM3X - 3X Magnifier - Titanium - Black Finish - Quick Release Side Flip Mount - Absolute or Lower 1/3 Co-witness

    Original price $352.93
    Original price $352.93 - Original price $352.93
    Original price $352.93
    Current price $299.99
    $299.99 - $299.99
    Current price $299.99

    Since Holosun's inception in 2013, their main goal has been to bring cutting edge technology to the end user. Holosun continuously strives to impro...

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  • Holosun Technologies HM3X Micro - Magnifier - 3X Magnification - Black - Absolute and Lower 1/3 Co-Witness Mount

    Original price $270.58
    Original price $270.58 - Original price $270.58
    Original price $270.58
    Current price $229.99
    $229.99 - $229.99
    Current price $229.99

    The Holosun HM3X-MICRO delivers true 3X magnification in a compact, lightweight package built for modern rifle setups. Clear glass, generous eye re...

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  • Holosun Technologies Micro Red Dot - 2 MOA Red Dot with 65 MOA Circle or 2 MOA Dot - QD Mount - Side Battery - Black

    Original price $470.58
    Original price $470.58 - Original price $470.58
    Original price $470.58
    Current price $399.99
    $399.99 - $399.99
    Current price $399.99

    The 515GT is a compact 20mm micro optic packed with innovations. Featuring Holosun's Multi-reticle system, the 515GT allows the operator to switch ...

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  • Holosun Technologies EPS Core - Gold Dot - Enclosed Pistol Sight - 2 MOA Dot and 32 MOA Circle - RMSc Footprint - Anodized Finish - Black

    Original price $329.40
    Original price $329.40 - Original price $329.40
    Original price $329.40
    Current price $279.99
    $279.99 - $279.99
    Current price $279.99

    The Holosun EPS-CORE-GD-MRS delivers full-size EPS viewing performance in a compact RMSc-footprint optic with the added contrast of a high-visibili...

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  • Holosun Technologies EPS Core - Gold Dot - Enclosed Pistol Sight - 3 MOA Dot - RMSc Footprint - Anodized Finish - Black

    Original price $270.58
    Original price $270.58 - Original price $270.58
    Original price $270.58
    Current price $229.99
    $229.99 - $229.99
    Current price $229.99

    The Holosun EPS-CORE-GR3 delivers full-size EPS viewing performance in a compact RMSc-footprint optic with a clean 3 MOA gold dot. KEY FEATURES: E...

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  • Holosun Technologies EPS Carry - Reflex Sight - 2 MOA Red Dot - Aluminum Housing - Matte Finish - Black

    Original price $388.22
    Original price $388.22 - Original price $388.22
    Original price $388.22
    Current price $329.99
    $329.99 - $329.99
    Current price $329.99

    The EPS is a compact enclosed pistol sight designed for full size pistols. The EPS features 2 MOA dot. KEY FEATURES: Side Mounted Battery | 2 MOA ...

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  • Trijicon RCR - Closed Emitter Reflex Sight - 3.25 MOA Red Dot - Matte Finish - Black - Top Load Battery

    $1,019.00
    Original price $1,019.00 - Original price $1,019.00
    Original price $1,019.00
    $1,019.00
    $1,019.00 - $1,019.00
    Current price $1,019.00

    An extremely rugged and durable closed emitter optic which meets the demanding standards for military and law enforcement applications. The Trijico...

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  • Trijicon MRO HD Magnifier - Black - 3X Magnifier With Adjustable Height Quick Release - Flip to Side Mount

    $583.00
    Original price $583.00 - Original price $583.00
    Original price $583.00
    $583.00
    $583.00 - $583.00
    Current price $583.00

    The Trijicon Miniature Rifle Optic (MRO) HD Magnifier is a 3 power reflex optic magnifier specifically designed to magnify the target and target se...

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