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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 stays true 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!

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Red Dot Sights & Magnifiers

Red Dot Sights & Magnifiers (92 Results)

  • G45.NMTAN
    G45.NM

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

    $635.00
    $635.00 - $635.00
    $635.00
    $635.00
    $635.00 - $635.00
    $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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  • SRO2-C-2500002
    SRO1-C-2500001
    Backordered

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

    $822.00
    $822.00 - $822.00
    $822.00
    $822.00
    $822.00 - $822.00
    $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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  • RM06-C-700817

    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
    $925.00 - $925.00
    $925.00
    $925.00
    $925.00 - $925.00
    $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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  • RM06-C-700816

    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
    $950.00 - $950.00
    $950.00
    $950.00
    $950.00 - $950.00
    $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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  • RM06-C-700815

    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
    $950.00 - $950.00
    $950.00
    $950.00
    $950.00 - $950.00
    $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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  • RM06-C-700800

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

    $810.00
    $810.00 - $810.00
    $810.00
    $810.00
    $810.00 - $810.00
    $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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  • RM06-C-700780

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

    $823.00
    $823.00 - $823.00
    $823.00
    $823.00
    $823.00 - $823.00
    $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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  • RM06-C-700696
    RM06-C-700694

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

    $835.00
    $835.00 - $835.00
    $835.00
    $835.00
    $835.00 - $835.00
    $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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  • CC07-C-3100002
    CC06-C-3100001

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

    $734.00
    $734.00 - $734.00
    $734.00
    $734.00
    $734.00 - $734.00
    $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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  • 8800
    Save $181.50 Save $0.00

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

    $833.99
    $833.99 - $833.99
    $833.99
    $652.49
    $652.49 - $652.49
    $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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  • 8700-MPSFDE
    Backordered

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

    $689.99
    $689.99 - $689.99
    $689.99
    $539.99
    $539.99 - $539.99
    $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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  • 8700-MPS
    Backordered

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

    $399.99
    $399.99 - $399.99
    $399.99
    $399.99
    $399.99 - $399.99
    $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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  • SCRS-RD-2
    Save $40.59 Save $0.00

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

    $270.58
    $270.58 - $270.58
    $270.58
    $229.99
    $229.99 - $229.99
    $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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  • RONIN-HS507COMP-RD
    Save $69.70 Save $0.00

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

    $464.69
    $464.69 - $464.69
    $464.69
    $394.99
    $394.99 - $394.99
    $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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  • RONIN-EPS-CARRY-RD-MRS
    Save $68.82 Save $0.00

    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

    $458.81
    $458.81 - $458.81
    $458.81
    $389.99
    $389.99 - $389.99
    $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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  • RONIN-AEMS-MAX-RD
    Save $95.29 Save $0.00

    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

    $635.28
    $635.28 - $635.28
    $635.28
    $539.99
    $539.99 - $539.99
    $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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  • HS515GM
    Save $56.47 Save $0.00

    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

    $376.46
    $376.46 - $376.46
    $376.46
    $319.99
    $319.99 - $319.99
    $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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  • HS515CM
    Save $61.76 Save $0.00

    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

    $411.75
    $411.75 - $411.75
    $411.75
    $349.99
    $349.99 - $349.99
    $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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  • HM3XT
    Save $52.94 Save $0.00

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

    $352.93
    $352.93 - $352.93
    $352.93
    $299.99
    $299.99 - $299.99
    $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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  • HM3X-MICRO
    Save $40.59 Save $0.00

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

    $270.58
    $270.58 - $270.58
    $270.58
    $229.99
    $229.99 - $229.99
    $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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  • HE515GT-RD
    Backordered

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

    $470.58
    $470.58 - $470.58
    $470.58
    $399.99
    $399.99 - $399.99
    $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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  • EPS-CORE-RD-MRS
    EPS-CORE-GD-MRS
    Save $49.41 Save $0.00

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

    $329.40
    $329.40 - $329.40
    $329.40
    $279.99
    $279.99 - $279.99
    $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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  • EPS-CORE-RD-3
    EPS-CORE-GD-3
    Save $40.59 Save $0.00

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

    $270.58
    $270.58 - $270.58
    $270.58
    $229.99
    $229.99 - $229.99
    $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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  • MAG-C-2600001

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

    $583.00
    $583.00 - $583.00
    $583.00
    $583.00
    $583.00 - $583.00
    $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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  • G43.STS

    EOTECH G43 Magnifier - 3X Magnification - QD Mount - Switch-to-Side - Tool-Free Vertical and Horizontal Adjustments - Matte Finish - Black

    $709.00
    $709.00 - $709.00
    $709.00
    $709.00
    $709.00 - $709.00
    $709.00

    Regardless of the scenario, the EOTECH magnifier provides an unparalleled advantage when transitioning from short-range to long-range shooting. KE...

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  • G43.STSTAN

    EOTECH G43 - 3X Magnification - QD Mount - Switch-to-Side - 34mm - Matte Finish - Tan - Includes Mount

    $709.00
    $709.00 - $709.00
    $709.00
    $709.00
    $709.00 - $709.00
    $709.00

    The G43 Magnifier is a miniaturized version of EOTECH's battle-tested G33 Magnifier, making it one of the most compact and lightweight magnifiers a...

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  • G43.NMTAN
    G43.NM

    EOTECH G43 Magnifier - 3X Magnification - Compact - No Mount - Matte Finish - Black

    $585.00
    $585.00 - $585.00
    $585.00
    $585.00
    $585.00 - $585.00
    $585.00

    The G43 Magnifier is a miniaturized version of EOTECH's battle-tested G33 Magnifier, making it one of the most compact and lightweight magnifiers a...

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  • G33.STSTAN
    G33.STS

    EOTECH Magnifier - 3X Magnification - QD Mount - Switch-to-Side - Matte Finish - Black

    $679.00
    $679.00 - $679.00
    $679.00
    $679.00
    $679.00 - $679.00
    $679.00

    The new G33.STS magnifier is shorter and lighter than previous models. The improved mount provides faster transitioning from 3X to 1X. The G33 offe...

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  • G33.NMTAN
    G33.NM
    Backordered

    EOTECH G33 Magnifier - 3X Magnification - No Mount - Matte Finish - Black

    $559.00
    $559.00 - $559.00
    $559.00
    $559.00
    $559.00 - $559.00
    $559.00

    The G33 Magnifier is the selected magnifier of USSOCOM, and is compact and lightweight. The optic offers tool-free vertical and horizontal adjustme...

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  • EFLX3RWTAN
    EFLX3RWBLK

    EOTECH EFLX - 3 MOA Red Dot - Aluminum Housing - DPP Footprint - Matte Finish - Black

    $359.00
    $359.00 - $359.00
    $359.00
    $359.00
    $359.00 - $359.00
    $359.00

    The new EFLX Mini Reflex Sight is EOTECH's first venture into reflex technology optics. Ideal for professional use, hunting, home defense, and more...

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  • HS507C-X3-RD
    HS507C-X3-GD
    Save $52.94 Save $0.00

    Holosun Technologies 507COMP X3 - Gold Dot - Open Pistol Sight - 2 MOA Dot with 32 MOA Circle - RMR Footprint - 1X Magnification - Anodized Finish - Black

    $352.93
    $352.93 - $352.93
    $352.93
    $299.99
    $299.99 - $299.99
    $299.99

    The Holosun HS507C-X3-GD-MRS brings a high-contrast gold reticle to the updated 507C-X3 platform, giving shooters faster visual pickup in bright li...

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  • HS507-PROMAX-GD-PRS
    Backordered

    Holosun Technologies 507 Pro Max - Gold Dot - Open Pistol Sight - 2 MOA Dot with 8/20/32 MOA Circle - RMR Footprint - 1X Magnification - Anodized Finish - Black

    $470.58
    $470.58 - $470.58
    $470.58
    $399.99
    $399.99 - $399.99
    $399.99

    The Holosun 507-PROMAX-GD-PRS delivers standout visibility with a high-contrast gold reticle, an enlarged performance window, and a forward-leaning...

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  • HS407KX2
    Save $39.70 Save $0.00

    Holosun Technologies 407K-X2 - Red Dot - 6 MOA Dot - Black Color - Side Battery HS407K X2

    $264.69
    $264.69 - $264.69
    $264.69
    $224.99
    $224.99 - $224.99
    $224.99

    The HS407K is an open reflex optical sight designed for concealed carry pistol applications. Features include Holosun's Super LED with up to 50k ho...

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  • HS407COMP-RD-6
    HS407COMP-GD-6
    Save $49.41 Save $0.00

    Holosun Technologies 407COMP - Gold Dot - Open Pistol Sight - 6 MOA Dot - 1X Magnification - Anodized Finish - Black

    $329.40
    $329.40 - $329.40
    $329.40
    $279.99
    $279.99 - $279.99
    $279.99

    The Holosun HE407COMP-GD6 brings a bold gold 6 MOA reticle to the 407COMP lineup, delivering enhanced contrast in bright light and against complex ...

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  • HS407C-X3-GD
    Save $42.35 Save $0.00

    Holosun Technologies 407COMP X3 - Gold Dot - Open Pistol Sight - 2 MOA Dot - 1X Magnification - RMR Footprint - Anodized Finish - Black

    $282.34
    $282.34 - $282.34
    $282.34
    $239.99
    $239.99 - $239.99
    $239.99

    The Holosun HE407C-X3-GD2 brings a high-contrast gold 2 MOA dot to the updated 407C-X3 platform, giving shooters faster visual pickup in bright lig...

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  • HE530C-RD
    Backordered

    Holosun Technologies 530C - Red Reticle - Black Finish - 2 MOA Dot with 65 MOA Circle - Quick Disconnect Mount - Fits 1913 Picatinny Rail - Titanium Housing - Three Different Reticles - Solar Failsafe - Shake Awake

    $588.22
    $588.22 - $588.22
    $588.22
    $499.99
    $499.99 - $499.99
    $499.99

    The HE530C-RD is an ultra durable, titanium, 30mm micro sight designed for hard-use rifle and carbine applications. The HE530C-RD is made from grad...

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