Holosun’s HS407K X2 is a versatile reflex sight, ideal for pistols or rifles, offering streamlined design and compact size for concealed carry applications.
What is the Holosun 407K?
The Holosun 407K is an open reflex sight meticulously engineered for both pistol and rifle platforms. Its compact footprint and streamlined profile make it exceptionally well-suited for concealed carry scenarios, without compromising on performance or durability. This red dot sight boasts a robust construction and reliable operation, providing quick target acquisition.
Designed for ease of use, the 407K offers intuitive controls and clear visibility, enhancing accuracy and confidence for shooters of all skill levels. It’s a versatile optic for various shooting applications.
Key Features and Benefits
The Holosun 407K delivers exceptional benefits, including its compact size ideal for concealed carry, and its adaptability to both pistols and rifles. Key features encompass Shake Awake technology, extending battery life, and a last-known setting memory for instant-on functionality.
Its durable construction ensures reliability, while multiple reticle options cater to diverse shooting preferences. Experience enhanced accuracy, rapid target acquisition, and user-friendly operation with this versatile optic.
Unboxing and Components
Carefully inspect the package contents upon arrival, ensuring all listed components are present and undamaged before proceeding with installation or use.
Package Contents
The Holosun HS407K X2 package typically includes the HS407K X2 open reflex sight itself, a CR1632 battery for initial power, a rubber cover to protect the lens, and necessary mounting hardware. This hardware usually consists of a Picatinny rail mount, screws, and Allen wrenches for secure attachment. Additionally, a lens cleaning cloth is often provided to maintain optimal clarity. Verify all these items are present to ensure a complete setup before beginning installation or operation of your new optic.
Initial Inspection
Upon receiving your Holosun HS407K X2, carefully inspect the package for any signs of damage during shipping. Examine the sight itself for scratches or defects on the lens and housing. Confirm all listed components are present – the sight, battery, rubber cover, mount, screws, and Allen wrenches. Ensure the battery compartment is securely closed. If any issues are detected, immediately contact the retailer or Holosun customer support before attempting operation to avoid potential problems.
Mounting the Holosun 407K
The HS407K X2 is designed for both pistol and rifle platforms, utilizing a streamlined profile and compact size for versatile mounting options.
Compatible Mounting Platforms (Pistol & Rifle)
The Holosun HS407K X2 demonstrates exceptional adaptability, functioning seamlessly on both pistol and rifle platforms. For pistols, compatibility extends to various mounting solutions, including direct mounting onto slides with a Trijicon RMR footprint, or utilizing adapter plates for other systems.
Regarding rifles, the HS407K X2 can be mounted using a Picatinny rail mount, offering a stable and secure zero; Its compact size doesn’t hinder performance on long guns, making it a versatile optic for diverse shooting scenarios. Ensure proper torque specifications are followed during installation for optimal stability.
Mounting Procedure – Step-by-Step
Begin by ensuring the firearm is unloaded and safe. Loosely attach the chosen mount to the firearm, then position the HS407K X2 onto the mount. Gently tighten the mount screws, ensuring the optic remains centered.
Progressively tighten the screws in a crosswise pattern to evenly distribute pressure and prevent warping. Once secure, double-check all screws for tightness. Final adjustments may be needed after zeroing, but a solid initial mount is crucial for accuracy and repeatable performance.
Zeroing the 407K
Achieving accurate point-of-aim requires utilizing the windage and elevation adjustments, typically done at 25 yards for pistol applications, for precise targeting.
Understanding Adjustments (Windage & Elevation)
The Holosun 407K features adjustment turrets for windage and elevation, allowing precise sight alignment. Windage corrects for horizontal bullet deviation, moving the point of impact left or right. Elevation adjusts for vertical bullet deviation, correcting for shots too high or too low. These adjustments are typically made in Minute of Angle (MOA) increments.
Each click of the turret will move the reticle a specified amount, usually 1 MOA. Understanding the direction to turn the turrets – clockwise or counterclockwise – for desired adjustments is crucial for accurate zeroing. Refer to the manual for specific MOA values per click.
Zeroing Process – Detailed Instructions
Begin zeroing at a known distance, typically 25 yards. Fire a group of shots at a target and observe the point of impact. Use the windage and elevation adjustments to move the reticle towards the center of the group. Adjust in small increments – one or two clicks at a time – and re-fire to assess the changes.
Repeat this process iteratively, gradually refining the adjustments until the reticle is consistently centered on the target. Patience and careful observation are key to achieving accurate zeroing with the Holosun 407K.
Operating the 407K
The HS407K features simple operation with intuitive controls for power, brightness, and adjustments, ensuring quick target acquisition and reliable performance.
Powering On/Off
The Holosun HS407K utilizes automatic power-on functionality thanks to its innovative “Shake Awake” technology; simply move the sight to instantly activate. To manually power off, ensure the sight remains completely still for a predetermined period, typically around 10 minutes. This conserves battery life during storage or periods of inactivity. Remember that the sight will automatically reactivate with even slight movement, providing immediate readiness when needed. This feature eliminates the need for manual buttons, streamlining operation and enhancing responsiveness.
Brightness Adjustment
The HS407K features adjustable brightness levels to suit varying lighting conditions. Side buttons control these settings; pressing them increases or decreases intensity. The sight boasts multiple brightness levels, including two night-vision compatible settings. Automatic brightness adjustment is also available, sensing ambient light and adapting accordingly. This ensures optimal dot visibility in any environment, from bright sunlight to complete darkness, providing a clear sight picture for enhanced accuracy and target acquisition.
Battery Installation and Replacement
The Holosun 407K utilizes a CR1632 battery, conveniently located in the battery compartment. To install, use the provided tool to open the cover and insert the battery with the positive side facing up. Replacement is straightforward – simply repeat the process. Battery life varies depending on brightness settings, but expect extended operation. Low battery indication is displayed by a flashing reticle, prompting timely replacement to maintain uninterrupted functionality during shooting sessions.
Understanding the Reticle
The 407K offers selectable reticles: a crisp 2 MOA dot, or a 2 MOA dot with a 32 MOA ring, enhancing target acquisition versatility.
Reticle Options (2 MOA Dot, 2 MOA Dot & 32 MOA Ring)
The Holosun 407K provides shooters with flexible reticle choices to suit diverse shooting scenarios. Users can select between a clean 2 MOA dot for precision, or combine it with a 32 MOA ring for faster target acquisition. This ring/dot combination is particularly useful in dynamic situations or when engaging moving targets.
The reticle selection is easily adjustable via side buttons, allowing quick transitions between configurations. This adaptability makes the 407K suitable for everything from competitive shooting to everyday carry and self-defense applications, catering to individual preferences and tactical needs.
Reticle Clarity and Visibility
The Holosun 407K boasts exceptional reticle clarity, ensuring a bright and focused aiming point even in challenging lighting conditions. Its multi-coated lenses minimize glare and maximize light transmission, enhancing visibility. The reticle remains crisp and defined across a wide range of ambient light levels, thanks to automatic brightness adjustment.
Furthermore, the 407K’s design minimizes obstruction of the target, providing an unobstructed field of view for faster target engagement and improved situational awareness. This clarity contributes to increased accuracy and confidence.
Advanced Features
The HS407K X2 incorporates ‘Shake Awake’ technology and last known setting memory, ensuring rapid activation and retaining preferred brightness levels efficiently.
Shake Awake Technology
Holosun’s innovative Shake Awake feature significantly extends battery life. The 407K automatically activates upon detecting motion, instantly displaying the reticle for quick target acquisition. When motionless for a pre-programmed duration, the sight enters a sleep mode, conserving power without requiring manual operation. This intelligent system ensures the optic is always ready when needed, providing reliable performance during critical moments and minimizing battery consumption for prolonged use in the field.
Last Known Setting Memory
The Holosun 407K incorporates a Last Known Setting Memory function, enhancing user convenience. Upon reactivation after being powered off, the sight automatically recalls and restores the previously selected brightness level and reticle choice; This eliminates the need to readjust settings each time the optic is turned on, ensuring a seamless and efficient shooting experience. It saves valuable time and maintains consistent performance, particularly in dynamic shooting scenarios.
Maintenance and Care
Regular cleaning with a microfiber cloth keeps the lenses clear. Store the 407K in a dry location, protecting it from harsh elements and impacts.
Cleaning Procedures
To maintain optimal clarity, regularly clean the Holosun 407K’s lenses. Begin by gently brushing away any loose dust or debris with a soft brush. Then, use a high-quality microfiber cloth and lens cleaning solution specifically designed for optics.
Apply a small amount of solution to the cloth – never directly onto the sight. Gently wipe the lenses in a circular motion, avoiding excessive pressure. Ensure all residue is removed for a clear view. Avoid harsh chemicals or abrasive materials that could damage the coatings.
Storage Recommendations
Proper storage extends the Holosun 407K’s lifespan. When not in use, store the optic in a clean, dry environment, protected from extreme temperatures and humidity. A padded case is recommended to prevent scratches or impacts.
Remove the battery if prolonged storage is anticipated, mitigating potential corrosion. Avoid storing the sight with other metallic objects that could cause unwanted scratches. Regular inspection before storage ensures optimal condition upon retrieval.
Troubleshooting Common Issues
Addressing typical problems like power failures, dot visibility, or adjustment issues ensures optimal performance of your Holosun 407K reflex sight.
Sight Not Powering On
If the 407K fails to power on, first verify the battery installation is correct, ensuring proper polarity. A fresh battery is crucial; low battery levels are a common cause. Confirm the battery compartment is securely closed. The ‘Shake Awake’ feature might be active – attempt shaking the sight to activate it. If issues persist, inspect the battery contacts for any corrosion or debris, cleaning them gently if necessary. Finally, ensure the sight isn’t accidentally set to a very low brightness level, making the dot invisible.
Dot Visibility Problems
If experiencing dot visibility issues, begin by increasing the brightness level using the side buttons. Ambient light significantly impacts visibility; adjust accordingly. Ensure your eye is properly aligned with the optic – parallax can affect dot clarity. Check for any obstructions on the lens, like dirt or smudges, and clean gently. If using with night vision, confirm compatibility and adjust brightness for optimal viewing. A weak battery can also dim the dot, so replace it if necessary.
Adjustment Turret Issues
Should adjustment turrets feel stuck or unresponsive, avoid forcing them. Ensure you’re using the correct tool for adjustments, applying gentle but firm pressure. Verify the sight is securely mounted; a loose mount can mimic turret issues. Check for debris obstructing the turret mechanisms. If problems persist, avoid further manipulation and contact Holosun customer support for assistance, potentially indicating an internal malfunction requiring professional attention.
Safety Precautions
Always practice safe firearm handling, treating every firearm as loaded. Be mindful of surroundings and never point at anything you don’t intend to shoot.
Laser Safety (If Applicable ⏤ some models)
The Holosun 407K, in certain variants, may include a laser module. Direct or reflected laser beams can cause serious and permanent eye damage. Never intentionally point a laser at a person, animal, or reflective surface. Avoid looking directly into the laser beam, even briefly.
Ensure the laser is deactivated when not in use. Proper laser safety practices are crucial for responsible operation and preventing accidental injury. Always adhere to local regulations regarding laser devices.
General Handling Safety
Always practice safe firearm handling procedures when using the Holosun 407K. Treat every firearm as if it is loaded. Keep your finger off the trigger until ready to shoot. Be certain of your target and what is beyond it.
Store the firearm and optic securely, away from unauthorized access. Regularly inspect the 407K for any damage or loose components before each use. Responsible gun ownership is paramount for safe operation.
Technical Specifications
The HS407K X2 boasts a compact design, featuring dimensions suited for pistol or rifle use, alongside detailed specifications regarding parallax and battery life.
Dimensions and Weight
The Holosun HS407K X2 is meticulously designed for optimal balance and minimal bulk. Its overall length measures 2.83 inches (72 mm), width is 1.46 inches (37 mm), and height reaches 1;61 inches (41 mm).
Regarding weight, this reflex sight tips the scales at a mere 1.6 ounces (45 grams) without a mount. This lightweight construction ensures it won’t significantly add to the overall weight of your firearm, enhancing maneuverability and comfort during extended use.
Parallax
Understanding parallax is crucial for accurate shooting with the Holosun HS407K X2. This optic exhibits minimal parallax, meaning the point of aim remains consistent even with slight head movement. Specifically, the parallax is listed as ≤2 MOA.
This characteristic allows for a more forgiving shooting experience, particularly in dynamic situations where maintaining a perfect sight picture can be challenging. Minimal parallax contributes to faster target acquisition and improved accuracy.
Battery Life
The Holosun HS407K X2 operates on a CR1632 battery, providing substantial runtime for extended use. Battery life varies significantly based on brightness settings. At a medium brightness level (dot only), users can expect approximately 50,000 hours of operation.
With both the dot and ring reticles activated, battery life is reduced, but still offers considerable longevity. Conserving battery power is easily achieved through the automatic shut-off feature.
Warranty Information
Holosun provides a limited lifetime warranty covering defects in materials and workmanship, ensuring customer satisfaction and optic reliability for years to come.
Warranty Coverage Details
Holosun’s limited lifetime warranty safeguards against manufacturing defects in materials and workmanship. This coverage extends to the original purchaser and does not cover misuse, abuse, improper installation, or normal wear and tear. Alterations or repairs performed by unauthorized personnel void the warranty. Holosun will, at its discretion, repair or replace the product, excluding shipping costs. The warranty doesn’t encompass damage from accidental drops or impacts, or battery leakage. Proof of purchase is required for all warranty claims.
How to Claim Warranty
To initiate a warranty claim, contact Holosun’s customer support with your purchase details and a clear description of the issue. You may need to provide photos or videos demonstrating the defect. If approved, you’ll receive a Return Merchandise Authorization (RMA) number and instructions for shipping the product. Holosun is not responsible for lost or damaged returns. Ensure proper packaging to prevent further damage during transit. Warranty processing times vary; contact support for updates.
Frequently Asked Questions (FAQ)
The 407K is compatible with night vision, boasts robust water resistance, and delivers reliable durability for diverse shooting conditions and applications.
Compatibility with Night Vision Devices
The Holosun 407K is designed for seamless integration with night vision equipment, allowing for effective target acquisition in low-light scenarios. Users can operate the sight with both eyes open, enhancing situational awareness and quick engagement. This compatibility extends to various generations of night vision, providing a versatile solution for tactical applications and nighttime shooting activities. The red dot’s clarity remains consistent when viewed through night vision devices, ensuring accurate aiming and improved performance during nocturnal operations.
Water Resistance and Durability
The Holosun 407K boasts robust construction, ensuring reliable performance in challenging environments. It’s designed to withstand recoil and impact, maintaining zero retention during rigorous use. While specific IP ratings aren’t always explicitly stated, the sight demonstrates excellent water resistance, capable of functioning in wet conditions. This durability makes it suitable for outdoor activities, concealed carry, and demanding shooting applications, providing long-lasting reliability for the user.
Resources and Support
Visit the official Holosun website for manuals, FAQs, and support. Contact customer service for assistance with your 407K or any related inquiries.
Holosun Official Website
The Holosun website serves as a central hub for all product-related information, including comprehensive manuals for the 407K. Users can directly download the latest PDF version of the user guide, ensuring they have access to the most current instructions and specifications. Beyond manuals, the site features detailed product descriptions, specifications, and frequently asked questions addressing common user concerns.
Furthermore, the official website provides access to warranty information and claim procedures, alongside a wealth of resources designed to enhance the user experience and support optimal performance of your Holosun optic.
Customer Support Contact Information
For direct assistance with your Holosun 407K, or any related inquiries, Holosun provides multiple avenues for customer support. While specific contact details aren’t explicitly listed in readily available manuals, the official website is the primary resource. Users can typically find a “Contact Us” section with email addresses and potentially phone numbers for technical support and warranty claims.
Additionally, many online optics retailers and forums dedicated to firearms accessories offer valuable community support and troubleshooting advice for Holosun products.