Est. 2014 | USA Small Business
Holosun Optics: High-Performance Red Dots and Tactical Aiming Systems
Unmatched Aiming Precision: The modern tactical environment moves fast. You need a faster aiming solution. Whether you are a police officer on duty, a hunter tracking big game, or a civilian protecting your home, your equipment cannot fail.
Is Holosun good?: Absolutely. Holosun has completely changed the tactical optics market. Ten years ago, shooters had to choose between cheap "toy" sights or military optics that cost as much as the rifle. This brand bridged that gap. They offer life-saving features—like 100,000-hour battery life and titanium housings—at a price that makes sense for every shooter.
The Mission Profile: At Atomic Defense, we provide gear for those who go into harm's way. This guide breaks down the technology inside a Holosun red dot, from solar power to thermal overlays. We will help you select the exact optic holosun for your specific mission.

Configuration | High-Impact Capability Blocks
- 100,000 Hour Battery Life: Some models can stay powered for over 11 years on a single battery.
- Grade 5 Titanium: Available "T" models use housings stronger than aluminum but lighter than steel.
- 0.5 Millisecond Activation: Shake Awake technology ensures your reticle is live the moment you touch your firearm.
- Multi-Reticle Versatility: Switch between a 2 MOA dot and a 65 MOA circle instantly without losing zero.
The Multi-Reticle System (MRS)
One of the most popular features of a Holosun sight is the Multi-Reticle System. In the past, you bought a sight with a single dot size and were stuck with it. Now you can change your reticle's appearance to match your environment.
- The 2 MOA Dot: Best for long-range precision. It doesn't cover up small targets.
- The 32/65 MOA Circle: Best for close-quarters speed. Your eye finds the large circle much faster under stress.
- The Combined Reticle uses both the dot and the circle for maximum versatility.
User Tip: If you are wondering how to change the Holosun reticle, it is simple. Most models allow you to hold the "Minus" (-) button for three seconds to cycle through the options.
Advanced Power Management
A dead battery in a self-defense situation is a liability. Holosun uses two primary systems to ensure your sight is always on.
- Shake Awake: The sight turns off when it is perfectly still to save power. The moment it senses movement—even a slight bump—it turns back on.
- Solar Failsafe: A small solar panel sits atop the sight. If your battery dies, the sun (or even indoor overhead lights) will power the reticle so you can stay in the fight.
Structural Metallurgy | Aluminum vs. Titanium
Atomic Defense focuses on protection. We know that gear gets dropped, hit against door frames, and dragged through the dirt.
- 7075 T6 Aluminum: Used in the standard Holosun optics. This is "Aircraft Grade" material, much stronger than the 6061 aluminum used by cheaper brands.
- Grade 5 Titanium: Used in the elite models (like the 508T and 509T). Titanium is significantly harder to crush or crack. If you are a police officer or a soldier, titanium is the standard for duty use.
Pistol Optic Compatibility and Footprint Matrix
Mounting a sight to a handgun requires matching the correct footprint pattern to your pistol slide. Use this table to find the correct fit for your weapon.
|
Holosun Model Series |
Emitter Architecture |
Native Footprint Standard |
Adapter Plates Included |
Target Handgun Platform |
|
407K / 507K X2 |
Open Reflex |
K-Series (Modified RMSc) |
None |
Micro-compacts (Glock 43X, SIG P365) |
|
407C / 507C X2 |
Open Reflex |
Trijicon RMR |
None |
Full-size / Compact (Glock 19, SIG P320) |
|
508T X2 |
Open Reflex |
Trijicon RMR |
None |
Duty / Full-size (Titanium housing) |
|
EPS Carry |
Enclosed Emitter |
K-Series (Modified RMSc) |
Shield RMSc Plate |
Micro-compacts / EDC Concealment |
|
EPS (Full Size) |
Enclosed Emitter |
K-Series (Modified RMSc) |
Trijicon RMR Plate |
Full-size / Compact Duty Pistols |
|
509T X2 |
Enclosed Emitter |
Proprietary 509T Clamp |
Trijicon RMR Plate |
Duty / Tactical / Harsh Environments |
|
SCS Series |
Open Reflex |
Direct-to-Gun |
None (Direct Mount) |
Optics-ready (MOS, PDP, 320) |
|
507COMP |
Open Reflex |
Trijicon RMR |
None |
Competition / Range (Large Window) |
Rifle Optic and Digital Sensor Specification Matrix
For rifles and carbines, you need a larger field of view. These sights are designed to be paired with our ballistic helmets and night vision gear.
|
Holosun Model |
Optic Style |
Reticle System |
Battery / Power |
NV / Thermal Capability |
Core Tactical Benefit |
|
Enclosed Micro |
MRS (Red or Green) |
50k Hours |
Excellent (Passive) |
Large window in a tiny, light body |
|
|
510C |
Open Reflex |
MRS (Red or Green) |
50k Hours |
Average |
Massive FOV, built-in QD mount |
|
515 (GM/CM) |
Enclosed Micro |
MRS (Red or Green) |
50k Hours |
Exceptional |
Military-grade; includes kill-flash |
|
Digital Hybrid |
Red Dot + Digital NV |
8 Hrs (NV mode) |
1080p NV Sensor |
Onboard NV overlay with video record |
|
|
DPS-TH |
Digital Hybrid |
Red Dot + Thermal |
Varies |
Thermal Sensor |
50 FPS thermal overlay for pistols |
Open vs. Enclosed Emitters
- Open Sights: These have one lens. They are lighter and hide better under a shirt. However, if rain or mud gets on the LED bulb, the dot will disappear.
- Enclosed Sights: These have two lenses with the LED sealed inside. They are slightly larger but much more reliable. If mud covers the glass, you just wipe it off. Rain and snow cannot stop an enclosed Holosun sight.
Next-Generation: Thermal and Night Vision
Holosun is currently leading the market in "Digital Fusion."
The Holosun thermal red dot (DPS-TH) allows you to see heat signatures through your pistol sight. This means a suspect hiding in tall grass or a dark alley will "glow," making them impossible to miss.
For rifle users, the DRS-NV provides digital night vision. You can record your hunt or your mission directly to the sight’s internal memory. When paired with a Holosun Raid Light, you gain total control over low-light environments.
Night Vision Integration and Passive Aiming
If you wear night vision goggles (NVGs), you know that turning on a laser is like shining a flashlight in the dark—everyone can see you.
"Passive Aiming" means looking through your optic with your goggles. This requires extremely clear glass and very dim "NV settings" so the dot doesn't burn your goggles. The AEMS and 515 models are famous for their night vision performance, rivaling sights that cost three times as much.
Warranty and Purchasing
Do Holosuns come zeroed? No. You must zero your sight to your specific gun. However, they are built to hold that zero through thousands of rounds.
The Holosun warranty is a Limited Lifetime Warranty. It covers the housing and the electronics against defects. Warning: You must buy from an Authorized Dealer. Atomic Defense is a certified dealer. If you buy from a random third-party site, your warranty may be void, and you might receive a fake product.
For the highest level of reliability and protection, trust Atomic Defense for your Holosun optics.
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Holosun - Red Dots, Thermal & Night Vision - Faster Aiming & Extreme Battery Life
Holosun - Red Dots, Thermal & Night Vision - Faster Aiming & Extreme Battery Life (149 Results)
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Holosun Technologies Micro Titanium Red Dot - Green Reticle - Three Different Reticles - Solar - QD Mount - Black
Original price $541.16Original price $541.16 - Original price $541.16Original price $541.16Current price $459.99$459.99 - $459.99Current price $459.99| /The 515CT is a compact 20mm micro optic packed with innovations. Featuring Holosun's Multi-reticle system, the 515CT allows the operator to switch ...
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Holosun Technologies Open Reflex - Green 2 MOA Dot or 2 MOA Dot with 65 MOA Circle - Solar with Internal Battery - Quick Release Mount - AR Riser - Protective Hood - Black Finish
Original price $399.99Original price $399.99 - Original price $399.99Original price $399.99Current price $339.99$339.99 - $339.99Current price $339.99| /The HE510C-GR Elite is Holosun's flagship Open Reflex optic. Now equipped with Holosun's highly efficient green reticle, the HE510C-GR Elite has an...
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Holosun Technologies Picatinny Mount - Fits Holosun 407C/507C/508T - Matte Finish - Black
Original price $23.52Original price $23.52 - Original price $23.52Original price $23.52Current price $19.99$19.99 - $19.99Current price $19.99| /The Holosun Picatinny-Style Mount for 407C, 507C, 508T allows you to mount your Holosun 407C, 507C, 508T optics to a picatinny rail. KEY FEATURES:...
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Holosun Technologies - Red Laser - Fits 1913 Picatinny Rail - C1/3N Battery - Matte Finish - Black RMLt-RD
$152.93Original price $152.93 - Original price $152.93Original price $152.93$152.93$152.93 - $152.93Current price $152.93| /The Rail Mounted Red Laser (RML) features excellent zero retention, tactile Windage & Elevation adjustments, weapon light holster compatibility...
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Holosun Technologies - Infrared Laser - Fits 1913 Picatinny Rail - C1/3N Battery - Matte Finish - Black RMLt-IR
$152.93Original price $152.93 - Original price $152.93Original price $152.93$152.93$152.93 - $152.93Current price $152.93| /The Rail Mounted Infrared Laser (RML) features excellent zero retention, tactile Windage & Elevation adjustments, weapon light holster compatib...
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Holosun Technologies - Rifle Area Illuminated Device - 1000 Lumen - Fits 1913 Picatinny Rail - Anodized Finish - Black RAID
$164.69Original price $164.69 - Original price $164.69Original price $164.69$164.69$164.69 - $164.69Current price $164.69| /The RAID (Rifle Area Illumination Device) is an all-new, high-power, long-gun white light that brings powerful illumination and user-interface vers...
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Holosun Technologies Holosun P.ID - Weapon Light Laser Combo - 900/450 Lumen - Green Laser - Fits Picatinny or Pistol - Anodized Finish - Black
$199.99Original price $199.99 - Original price $199.99Original price $199.99$199.99$199.99 - $199.99Current price $199.99| /The Holosun Positive Identification Device offers illumination capability of up to 900/450 lumens using a rechargeable power source. The P .ID+ Bri...
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Holosun Technologies Holosun P.ID High Candela - Weapon Mounted Light - 42 - 000 Candela - Fits Pistol and Picatinny - Anodized Finish - Black
$199.99Original price $199.99 - Original price $199.99Original price $199.99$199.99$199.99 - $199.99Current price $199.99| /The P.ID series of weapon lights are compact, and powerful pistol mounted white lights that are designed for Positive IDentification of threats in ...
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Holosun Technologies Holosun - Weapon Mounted Light - 1000 Lumens - Fits Picatinny or Pistol - Anodized Finish - Black P.ID
$135.28Original price $135.28 - Original price $135.28Original price $135.28$135.28$135.28 - $135.28Current price $135.28| /The Holosun P.ID is a pistol mounted weapon light with a maximum output of 1,000 lumens as well as a 500 lumen low mode. The P.ID features a rechar...
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Holosun Technologies 407/507K Adapter - Black - Fits Glock 19/17/45 MOS - Will Not Fit 43X/48 MOS
Original price $47.05Original price $47.05 - Original price $47.05Original price $47.05Current price $39.99$39.99 - $39.99Current price $39.99| /The Holosun 407/507K Adapter for GLOCK MOS is a rugged and reliable mount, perfect for use with law enforcement, the military, and the everyday sho...
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Holosun Technologies 407/507K Adapter - Black - Fits FN 509
Original price $47.05Original price $47.05 - Original price $47.05Original price $47.05Current price $39.99$39.99 - $39.99Current price $39.99| /The Holosun 407/507K Adapter for FN 509 is a rugged and reliable mount, perfect for use with law enforcement, the military, and the everyday shoote...
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Holosun Technologies 407/507K Adapter - Black - Fits CZ P10
Original price $47.05Original price $47.05 - Original price $47.05Original price $47.05Current price $39.99$39.99 - $39.99Current price $39.99| /The Holosun 407/507K Adapter for CZ P10 is a rugged and reliable mount, perfect for use with law enforcement, the military, and the everyday shoote...
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Holosun Technologies IRIS 1 - Rifle Laser System - Red Laser - Fits Picatinny - Remote Activated Button - Anodized Finish - Black
Original price $352.93Original price $352.93 - Original price $352.93Original price $352.93Current price $299.99$299.99 - $299.99Current price $299.99| /IRIS 1 is a single-function laser device with a redesigned 7075 aluminum housing that reduces weight by 33% and overall height by 20%. Additionally...
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Holosun Technologies IRIS 1 - Rifle Infrared System - IR Laser - Fits Picatinny - Remote Activated Button - Anodized Finish - Black
Original price $352.93Original price $352.93 - Original price $352.93Original price $352.93Current price $299.99$299.99 - $299.99Current price $299.99| /IRIS 1 is a single-function laser device with a redesigned 7075 aluminum housing that reduces weight by 33% and overall height by 20%. Additionally...
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Holosun Technologies - Rifle Infrared System - IR Laser - Fits Scout Pattern Mount - Anodized Finish - Black IRIS-ARC
Original price $588.22Original price $588.22 - Original price $588.22Original price $588.22Current price $499.99$499.99 - $499.99Current price $499.99| /The Holosun IRIS-ARC is a compact IR illuminator built to give night-vision users fast, precise control of their light. A high-output IR VCSEL driv...
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Holosun Technologies HS510C - Reflex Sight - Multiple Reticle - 65 MOA Circle - 2 MOA Green Dot - Aluminum Housing - Matte Finish - Flat Dark Earth - Solar with Internal Battery
Original price $399.99Original price $399.99 - Original price $399.99Original price $399.99Current price $339.99$339.99 - $339.99Current price $339.99| /The HE510C-GR is a versatile open reflex optic designed for long gun applications. HE510C-GR is at home on carbines, PCCs, and shotguns due its dur...
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Holosun Technologies 507COMP - Green Dot - Open Pistol Sight - 2 MOA Dot - 1X Magnification - Anodized Finish - Black
Original price $435.28Original price $435.28 - Original price $435.28Original price $435.28Current price $369.99$369.99 - $369.99Current price $369.99| /The Holosun HE507COMP-GD brings a high-contrast gold competition reticle to the 507COMP platform, giving shooters faster visual pickup in bright li...
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Holosun Technologies 507COMP X3 - Gold Dot - Open Pistol Sight - 2 MOA Dot with 32 MOA Circle - RMR Footprint - 1X Magnification - Anodized Finish - Black
Original price $352.93Original price $352.93 - Original price $352.93Original price $352.93Current price $299.99$299.99 - $299.99Current price $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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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
Original price $470.58Original price $470.58 - Original price $470.58Original price $470.58Current price $399.99$399.99 - $399.99Current price $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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Holosun Technologies 407K-X2 - Red Dot - 6 MOA Dot - Black Color - Side Battery HS407K X2
Original price $264.69Original price $264.69 - Original price $264.69Original price $264.69Current price $224.99$224.99 - $224.99Current price $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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Holosun Technologies 407COMP - Gold Dot - Open Pistol Sight - 6 MOA Dot - 1X Magnification - Anodized Finish - Black
Original price $329.40Original price $329.40 - Original price $329.40Original price $329.40Current price $279.99$279.99 - $279.99Current price $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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Holosun Technologies 407COMP X3 - Gold Dot - Open Pistol Sight - 2 MOA Dot - 1X Magnification - RMR Footprint - Anodized Finish - Black
Original price $282.34Original price $282.34 - Original price $282.34Original price $282.34Current price $239.99$239.99 - $239.99Current price $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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Holosun Technologies HS403C Micro Red Dot and HM3X Magnifier Combo Pack HS403C+HM3X Combo
Original price $442.34Original price $442.34 - Original price $442.34Original price $442.34Current price $375.99$375.99 - $375.99Current price $375.99| /The HS403C is a 20mm micro optical sight designed for rifle and carbine applications. Features include Solar Failsafe, 12 brightness settings, Holo...
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Holosun Technologies - Magnifier - 6X Power - 28mm Objective - 1/3 Co-Witness Riser - Quick Detach Picatinny Mount - Switch To Side - Anodized Finish - Black HM6X
Original price $388.22Original price $388.22 - Original price $388.22Original price $388.22Current price $329.99$329.99 - $329.99Current price $329.99| /The HM6X is a flip-to-side 6X magnifier designed for use in conjunction with a red dot sight. The HM6X is feature-packed and includes a quick relea...
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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 $352.93Original price $352.93 - Original price $352.93Original price $352.93Current price $299.99$299.99 - $299.99Current 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 $270.58Original price $270.58 - Original price $270.58Original price $270.58Current price $229.99$229.99 - $229.99Current 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 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
Original price $588.22Original price $588.22 - Original price $588.22Original price $588.22Current price $499.99$499.99 - $499.99Current price $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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Holosun Technologies 530C - Green 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
Original price $623.52Original price $623.52 - Original price $623.52Original price $623.52Current price $529.99$529.99 - $529.99Current price $529.99| /The HE530C-GR is an ultra durable, titanium, 30mm micro sight designed for hard-use rifle and carbine applications. The HE530C-GR is made from grad...
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Holosun Technologies 512T - Red Dot - 1X28MM - Black Finish - 2 MOA Dot with 65 MOA Circle - Titanium Housing
Original price $588.22Original price $588.22 - Original price $588.22Original price $588.22Current price $499.99$499.99 - $499.99Current price $499.99| /The HE512T-RD is a versatile open reflex optic designed for long gun applications. HE512T-RD is at home on carbines, PCCs, and shotguns due its dur...
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Holosun Technologies 512T - Green Dot - 1X28MM - Black Finish - 2 MOA Dot with 65 MOA Circle - Titanium Housing
Original price $623.52Original price $623.52 - Original price $623.52Original price $623.52Current price $529.99$529.99 - $529.99Current price $529.99| /The HE512T-GR is an enclosed reflex optical sight designed for rifle and carbine applications. Features include a Titanium housing, Holosun's Green...
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Holosun Technologies 509T X2 Red Dot - Multi-Reticle System (MRS) 32 MOA Circle and 2 MOA Dot - 2 MOA Dot - 32 MOA Circle Black - Solar Failsafe - Shake Awake - Black - Titanium - Includes RMR Adapter Plate (Not compatible with ZEV or Shadow Syste
Original price $505.87Original price $505.87 - Original price $505.87Original price $505.87Current price $429.99$429.99 - $429.99Current price $429.99| /The HE509T-GR X2 is an enclosed reflex optical sight designed for pistol applications. Features include a Titanium housing, Holosun's Super LED wit...
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Holosun Technologies 508T-RD-X2 - Red Dot - 32 MOA Ring & 2 MOA Dot - Black Color - Side Battery - Solar Failsafe - Mount Not Included HE508T-RD X2
Original price $435.28Original price $435.28 - Original price $435.28Original price $435.28Current price $369.99$369.99 - $369.99Current price $369.99| /The HE508T-RD X2 is a titanium, open reflex optical sight designed for pistol applications. The X2 Series pistol optics feature two improvements. F...
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Holosun Technologies 507 Elite Competition - Green Dot - MRS Reticle (2 MOA Dot with 8/20/32 MOA Circle) - 1.1"x0.87" Objective Lens - Matte - Black
Original price $470.58Original price $470.58 - Original price $470.58Original price $470.58Current price $399.99$399.99 - $399.99Current price $399.99| /The HE507COMP-GR handgun sight features a large 1.1"" x 0.87"" objective lens for enhanced shooting performance and Holosun's new Competition Retic...
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Holosun Technologies 507COMP X3 - Green Dot - Open Pistol Sight - 2 MOA Dot with 32 MOA Circle - RMR Footprint - 1X Magnification - Anodized Finish - Black
Original price $388.22Original price $388.22 - Original price $388.22Original price $388.22Current price $329.99$329.99 - $329.99Current price $329.99| /The Holosun HE507C-X3-GR-MRS updates the proven 507C platform with a refined X3 housing and the added visibility of a crisp green reticle, deliveri...
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Holosun Technologies 507 Pro Max - Green Dot - Open Pistol Sight - 2 MOA Dot with 8/20/32 MOA Circle - RMR Footprint - 1X Magnification - Anodized Finish - Black
Original price $505.87Original price $505.87 - Original price $505.87Original price $505.87Current price $429.99$429.99 - $429.99Current price $429.99| /The Holosun 507-PROMAX-GR-PRS delivers maximum visibility and speed with a high-contrast green reticle, an enlarged performance window, and a forwa...
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Holosun Technologies 407K-X2 Green Dot - Black Color - Side Battery - 6 MOA Dot HE407K-GR X2
Original price $282.34Original price $282.34 - Original price $282.34Original price $282.34Current price $239.99$239.99 - $239.99Current price $239.99| /The HE407K-GR X2 is an open reflex optical sight designed for subcompact pistol applications. It improves on the previous version by adding Lock Mo...
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What People Like You Are Saying
11/10! The small touches made such a big impact, like the patch, stickers and jolly ranchers were something I am beyond grateful for! Amazing product! Great price, very much satisfied.
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It's comfortable, like 8.9/10. I'm happy I went with Atomic Defense. Genuine equipment you can trust your life with.(*Modified for read-ability and formatting.)
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