Holosun 507K X2 Red Dot Scope: Lock Mode for Precise Defense Use

Choosing the right micro red dot for a subcompact carry pistol is a decision that impacts everyday reliability, concealability, and the ability to deliver accurate defensive shots under stress. A compact optic must resist accidental changes, survive exposure, and offer a clear, crisp aiming point when it matters most.

HOLOSUN 507 brings a focused set of features tailored to subcompact defense use. The HS507K X2 is an open reflex sight designed specifically for subcompact pistol applications and improves on prior models by adding Lock Mode to prevent inadvertent button changes.

HOLOSUN 507 compact reflex sight mounted on pistol slide

Giveaway Access

HWK XL 5.56 Giveaway

Live now • Ends Feb 1, 2026
Key details
Deadline: Feb 1, 2026
No purchase necessary
Entry link emailed immediately

A third-party retailer is currently hosting a giveaway for an HWK XL 5.56 pistol package (≈ $1,800 retail value).

I track legit firearm & gear giveaways and share the official entry links when they go live.

Sign up below to get the official entry link

Get access to the HWK XL 5.56 giveaway (live now)

By subscribing, you agree to receive emails from TaylorDefense. You can unsubscribe at any time. See our Privacy Policy. TaylorDefense is not affiliated with or sponsoring this giveaway. Giveaway is hosted and administered by a third party. Estimated value based on retail pricing. No purchase required. 18+ only.

Key features and how they help defensive shooters

The HS507K X2 adds Lock Mode — a critical improvement for carry optics. When activated, Lock Mode secures the adjustment buttons, eliminating accidental brightness or reticle changes from holstering or manipulation. The optic uses Holosun’s Red Super LED with up to 50,000 hours of battery life, paired with Shake Awake to conserve power until the sight is needed.

Multi-Reticle System and sight picture

The Multi-Reticle System provides options for shooters who prefer different aiming references for close-range engagement or precise sight alignment. The open reflex window keeps sight picture acquisition fast while maintaining situational awareness on a compact platform built around the Holosuns K footprint.

Shop this product to see the HS507K X2 specifications and price of $295.99 — the shop page will take you to the retailer where you can complete the purchase.

Durability, mounting, and maintenance

The housing is machined from 7075 aluminum for a balance of strength and light weight, and the side-mounted CR1632 battery tray allows quick replacement without removing the sight from the slide. The HS507K X2 is IP67 waterproof, making it resistant to rain and immersion, and it ships with the Holosun K footprint. It is a direct fit for P365X/XL slides and can be adapted to other four-boss interfaces using an adapter plate.

View product details and pricing for mounting options and compatible adapter plates before you order to ensure correct fitment for your slide.

Close-up of HOLOSUN 507 controls and side-mounted battery tray

Real-world applications

For concealed carry owners running P365X/XL or similar subcompact platforms, the HOLOSUN 507 delivers a rugged package: long battery life, practical anti-tamper Lock Mode, and a clear multi-reticle sight picture. The combination of Shake Awake and a side-mounted battery tray supports low-maintenance readiness without sacrificing reliability.

Check current availability — clicking the link will take you to our shop page where you can complete your purchase through the retailer.

Want exclusive intel on gear drops & discounts?




Insider-Only Tactical Deals, Straight to Your Inbox.

Exclusive intel on the best deals on firearms, ammo, optics, and gear — curated from trusted U.S. retailers.

       

By signing up, you agree to receive emails from TaylorDefense. See our Privacy Policy. You can unsubscribe at any time.





People Also Ask

What makes this product stand out from competitors?

This product offers superior quality and innovative features that set it apart in the market. Its design focuses on both performance and reliability, making it a top choice for professionals and enthusiasts alike.

Is this product suitable for beginners?

Yes, this product is designed with user-friendly features that make it accessible to beginners while still offering advanced capabilities for experienced users.

What warranty or support is available?

The product comes with comprehensive warranty coverage and excellent customer support to ensure your satisfaction and peace of mind.

How does this compare to similar products in its price range?

This product offers exceptional value for its price point, providing features and quality that typically cost significantly more in comparable alternatives.

What maintenance is required?

Minimal maintenance is required thanks to the product’s durable construction and quality materials. Regular cleaning and occasional inspections will keep it performing optimally.

Ready to Get Started?

Experience the quality and performance that makes this product a top choice.

Shop This Product

Privacy Policy

We value your privacy. Please review our Privacy Policy to understand how we collect, use, and protect your information.

Comments

0 responses to “Holosun 507K X2 Red Dot Scope: Lock Mode for Precise Defense Use”

Leave a Reply