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Best Red Dot Sight For Under 100

From leading brands and best sellers available on the web.
#1

Winner

HOLOSUN HS507K X2 Multi-Reticle Red

HOLOSUN

HOLOSUN HS507K X2 Multi-Reticle Red 2 MOA Dot & 32 MOA Circle Open Reflex Pistol Sight - Durable Shake-Awake Parallax-Free Aluminum Sight for Subcompact Handguns

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#2
HOLOSUN HS407K-X2 Compact 6MOA Dot

HOLOSUN

HOLOSUN HS407K-X2 Compact 6MOA Dot Only Open Reflex Sight w/Shake Awake HS407K-X2

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#3
HOLOSUN HS507C X2 Red 2 MOA Dot & 3

HOLOSUN

HOLOSUN HS507C X2 Red 2 MOA Dot & 32 MOA Circle Open Reflex Pistol Sight - Durable Shake-Awake Solar Failsafe Parallax-Free Aluminum Sight for Full-Sized Handguns - Green & Red Dot Options

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#4
SIG SAUER Romeo5 1X20mm Tactical Hu

Sig Sauer

SIG SAUER Romeo5 1X20mm Tactical Hunting Shooting Durable Waterproof Fogproof Illuminated 2 MOA Red Dot Reticle Gun Sight | Picatinny Mount Included

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#5
HOLOSUN HS407C X2 Red 2 MOA Dot Ope

HOLOSUN

HOLOSUN HS407C X2 Red 2 MOA Dot Open Reflex Sight - Durable Shake-Awake Solar Failsafe Parallax-Free Aluminum Pistol Sight for Full-Sized Handguns

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#6
HOLOSUN HE407K-GR-X2 6MOA Green Dot

HOLOSUN

HOLOSUN HE407K-GR-X2 6MOA Green Dot-Only Open Reflex Sight w/Shake Awake HE407K-GR-X2

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#7
SIG SAUER Romeo-X Compact Pistol-Mo

Sig Sauer

SIG SAUER Romeo-X Compact Pistol-Mounted Red Dot Sight - Rugged Durable Aluminum Lightweight Waterproof MOTAC Micro Open Reflex Sight with 15 Illumination Settings, Black, 2 MOA / 32 MOA Circle Dot

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#8
Sig Sauer SOR01300 Romeo Zero Refle

Sig Sauer

22%OFF

Sig Sauer SOR01300 Romeo Zero Reflex Sight, 3 MOA Red Dot, Black, One Size

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#9
Vortex Optics Strikefire II Red Dot

Vortex

12%OFF

Vortex Optics Strikefire II Red Dot Sight - 4 MOA Red/Green Dot,Black

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#10
Sig Sauer ROMEO1PRO 1x30mm 3 MOA Re

Sig Sauer

21%OFF

Sig Sauer ROMEO1PRO 1x30mm 3 MOA Red Dot Sight | Durable Fogproof Waterproof Corrosion-Resistant Compact Open Reflex Sight with Protective Shroud

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Buying Guide for the Best Red Dot Sight For Under 100

Choosing the right red dot sight can significantly enhance your shooting accuracy and overall experience. Red dot sights are popular for their ability to provide quick target acquisition and ease of use. When selecting a red dot sight, it's important to consider several key specifications to ensure you get the best fit for your needs. Here are the main specs to look at and how to navigate them.
Dot SizeDot size refers to the size of the red dot that appears on the sight. It is measured in MOA (Minutes of Angle). A smaller dot size (1-3 MOA) is ideal for precision shooting at longer distances, as it covers less of the target. Larger dot sizes (4-6 MOA) are better for quick target acquisition at closer ranges, as they are easier to see. Choose a dot size based on your typical shooting distance and the level of precision you require.
Battery LifeBattery life indicates how long the red dot sight can operate before needing a new battery. Longer battery life is crucial for reliability, especially in situations where you may not have immediate access to spare batteries. Look for sights with battery life ranging from hundreds to thousands of hours. If you plan to use the sight frequently or for extended periods, opt for a model with longer battery life to avoid frequent replacements.
Reticle Brightness SettingsReticle brightness settings allow you to adjust the intensity of the red dot to match different lighting conditions. This is important for maintaining visibility and accuracy in various environments, from bright daylight to low-light situations. Sights with multiple brightness settings offer greater versatility. If you shoot in diverse lighting conditions, choose a sight with a wide range of brightness adjustments.
Mounting OptionsMounting options refer to the compatibility of the red dot sight with different firearms and mounting systems. Some sights come with built-in mounts, while others require separate mounts. Ensure the sight you choose is compatible with your firearm and preferred mounting system. If you plan to use the sight on multiple firearms, look for a model with versatile mounting options.
Durability and Build QualityDurability and build quality determine how well the red dot sight can withstand rough handling, recoil, and environmental conditions. Look for sights made from robust materials like aluminum and those that are water-resistant or waterproof. If you use your firearm in harsh conditions or for activities like hunting, prioritize a sight with high durability to ensure it lasts longer and performs reliably.
ParallaxParallax refers to the sight's ability to maintain accuracy when the shooter's eye position changes. A parallax-free sight ensures that the red dot remains on target regardless of eye position, which is crucial for consistent accuracy. Most modern red dot sights are designed to be parallax-free at a certain distance, typically around 50 yards. If you need consistent accuracy, especially in dynamic shooting scenarios, choose a parallax-free sight.