Holosun HS507K-X2: Compact Everyday Carry Optic with 2 MOA Dot, 32 MOA Circle, and 50K-Hour Battery Life
- The Holosun HS507K-X2 is a field-proven open reflex sight engineered specifically for subcompact and micro-compact everyday carry (EDC) pistols. Built with a rugged 7075-T6 aluminum housing, the Holosun HS507K X2 delivers rapid target acquisition during high-stress encounters. You gain an immediate tactical advantage to defend yourself without adding unnecessary bulk to your daily concealed carry gear.
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Mount Directly to Your Everyday Carry Pistol Using the Standard K-Footprint: This compact micro-optic design is built specifically for concealed carry on small pistols. It is cross-compatible with RMSc standards, allowing you to mount the Holosun HS507K-X2 directly to micro-compacts like the Sig Sauer P365X/XL, Springfield Hellcat, and Glock 43X MOS without bulky adapter plates.
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Acquire Targets Instantly with Your Choice of a 2 MOA Dot or 32 MOA Circle: The Multi-Reticle System lets you switch between a precise dot for distance and a wide circle for fast, close-range engagement. Available in red or the green HE507K-X2-GR model, it provides clear visual contrast against threats in any lighting condition.
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Leave Your Optic On for 50,000 Hours Powered by a Single CR1632 Battery: You get years of continuous runtime from one commonly available battery. The built-in Shake Awake technology instantly activates the sight the moment you draw your weapon and shuts down during total inactivity, so you never draw a dead optic.
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Secure Your Brightness Settings During Daily Carry Using the Built-In Lock Mode: The heavy-duty aluminum housing is vibration-tested to survive 5000Gs of recoil shock. You can activate the specific Lock Mode to freeze your settings, ensuring they do not accidentally change if the buttons rub against your clothing or holster.
Holosun HS507K X2 Review
Holosun HS5O7K X2 reflex sight Features & Specifications
The Holosun HS507K-X2 multi reticle reflex sight provides a massive tactical advantage for everyday carry by putting a professional-grade reflex sight on your subcompact pistol. Built from rugged 7075-T6 aluminum, this micro-optic mounts directly to popular concealed carry weapons using the standard K-footprint. It gives you a critical edge with a 50,000-hour battery life, instant Shake Awake activation, and a Lock Mode that secures your settings against accidental bumps. This optic ensures you acquire your target faster and more accurately during high-stress encounters without adding heavy bulk to your daily loadout.
Holosun HS507K X2 reflex sight Key Features
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Multi-Reticle System (MRS): Choose between a precise 2 MOA dot for distance shooting, a wide 32 MOA circle for fast close-quarters acquisition, or use both simultaneously.
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Shake Awake Technology: An internal motion sensor instantly activates the LED the moment you draw the weapon and powers it down completely during periods of inactivity to conserve battery life.
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Button Lock Mode: Activate this setting to freeze your brightness levels, preventing accidental adjustments from clothing or holsters while carrying inside the waistband.
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Side-Access Battery Tray: Swap out the CR1632 battery quickly from the side of the unit without having to unmount the optic or re-zero your weapon.
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Direct-Mount K-Footprint: Attaches directly to factory optics-ready micro-compacts like the Sig Sauer P365X/XL and Springfield Hellcat without requiring bulky adapter plates.
Holosun HS507K X2 red dot sight Specifications
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SKU (Red Dot Model)
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HS507K-X2
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SKU (Green Dot Model)
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HE507K-X2-GR
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Reticle Options
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2 MOA Dot & 32 MOA Circle
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Light Source
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Super LED
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Battery Type
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1x CR1632
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Battery Life
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Up to 50,000 Hours (Setting 6)
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Brightness Settings
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10 Daylight & 2 Night Vision Compatible
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Housing Material
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7075-T6 Aluminum
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Footprint Standard
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Holosun K-Series (RMSc Compatible)
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Waterproof Rating
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IP67
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Vibration/Shock Rating
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5000G
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What's in the box of the Holosun HE507k-GR X2 / HS507K X2?
- (1) Holosun HS507K-X2 or HE507K-X2-GR Open Reflex Sight
- (1) CR1632 Lithium Battery
- (1) T10 Torx Multi-Tool
- (2) M3x12 Mounting Screws
- (2) M4x12 Mounting Screws
- (1) Microfiber Lens Cleaning Cloth
- (1) User Manual
- (1) Warranty Card
HS507K X2 Holosun FAQs
Is the Holosun 507K X2 good?
Yes. It is a highly reliable choice for everyday carry. It features a tough aluminum body, also the Holosun HS507K X2 battery last up to 50,000-hours, and clear glass. You can count on it for fast and accurate aiming during high-stress situations.
What footprint is the Holosun 507K, and what is the K Footprint?
The Holosun HS507K X2 footprint is the famous Holosun K-Series footprint. A footprint is the shape of the bottom of the sight. The K footprint lets you mount the optic directly to small concealed carry pistols, like the Sig Sauer P365X/XL, without needing thick adapter plates.
What is MOA, and why use a 2 MOA or 32 MOA reticle?
MOA stands for Minute of Angle. It tells you how big the dot looks on your target. A 2 MOA dot is small and precise, which is perfect for hitting targets far away. A 32 MOA circle is large and easy to see, which helps you aim very fast at close range.
How do you change the reticle on the Holosun 507K X2?
You press and hold the minus (-) button for three seconds. This lets you cycle through three choices: just the 2 MOA dot, just the 32 MOA circle, or both turned on at the same time.
What is the difference between the red reticle and the green reticle?
The standard HS507K-X2 model uses a red light, which is classic and works well in most conditions. The HE507K-X2-GR model uses a green light. Human eyes often pick up green light faster and easier, especially in bright daylight. So whats the difference between the HE507K GR X2 vs HS507K, well its just the reticle color that differs.
How do you turn on Shake Awake on the Holosun 507K?
The Shake Awake feature works automatically. If your gun sits still for a while, the sight turns off to save power. The moment you move or draw your weapon, the sight turns back on instantly. You do not need to press any buttons to wake it up.
How do Manual Brightness and Lock Mode work?
You set your brightness manually by pressing the plus (+) or minus (-) buttons on the side. Once you find the best setting, you activate Lock Mode. This freezes the buttons so your brightness will not accidentally change if the sight rubs against your shirt or holster.
How do you adjust the Holosun 507K?
You use the included multi-tool to turn the small dials on the sight. Turning the top dial moves your aim up or down. Turning the side dial moves your aim left or right. This helps you match the dot exactly with where your bullets hit.
Is the sight waterproof?
Yes. It has an IP67 waterproof rating. This means it completely blocks out dust and survives in shallow water. It will easily handle heavy rain and daily sweat from concealed carry.
What is the battery life of the sight, and is it rechargeable?
A single CR1632 battery powers the sight for up to 50,000 hours. The battery is not rechargeable, but it lasts for years. When you need to replace it, the side tray lets you drop in a new battery without removing the optic from your pistol.
Where can I find the HS507K X2 manual?
If you want more details on installation, zeroing, or caring for your optic, you can view or download the full HS507K X2 manual here: Holosun HS507 X2 manual.
Where can I find the Holosun HS507K X2 for sale?
If you are looking for the HS507K X2 for sale, you can buy Holosun HS507K-X2 optics directly from Atomic Defense. We provide secure checkout and reliable shipping so you can upgrade your everyday carry setup with a field-ready sight.
