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Gideon Optics |SKU: JD10RD

Gideon Optics Judge (RMSC) Single Red Dot Reflex Sight

$179.99

Product highlights

  • Compatible with RMSC/Holosun K footprint handguns
  • 3 MOA red or green dot for quick target acquisition
  • 10 brightness levels with night vision support
  • 1 MOA windage and elevation adjustments
  • Up to 50,000-hour battery life with CR2032
  • Shake-to-awake and power-saving mode
  • Durable 7075-T6 aluminum construction
  • IPX7 waterproof and shockproof build
  • Lightweight 1 oz compact design
  • Includes low-profile 1913 Picatinny mount

In the box

  • Gideon Optics Judge (RMSC) Single Red Dot Reflex Sight

Free standard shipping

*Orders placed before 1 PM EST Mon - Thur will ship the same day. Orders placed beyond these hours will be shipped the next business day. Exclusions apply. See shipping policy

Free Local Pickup

Please call for store stock availability. Requests made before 2:30 PM EST can be available for next-day pickup. Learn more

Questions? We’re Here to Help

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The Gideon Optics Judge RMSC Red Dot Sight is designed for handguns with slimmer slides, offering precise target acquisition and consistent accuracy. It fits models such as the Sig P365XL, Glock 43X, and Canik Elite SC, or any firearm compatible with the RMSC/Holosun K footprint or adapter plate.

Crisp 3 MOA Dot Reticle

The 3 MOA red or green dot reticle provides a clear aiming point for fast target alignment. It includes adjustable windage and elevation settings with 1 MOA click adjustments for fine-tuned accuracy.

10 Brightness Settings with Night Vision Compatibility

The sight includes eight daytime brightness levels and two night vision compatible modes, giving clear visibility across different lighting conditions.

Long Battery Life and Power-Saving Mode

Powered by a single CR2032 lithium battery, the Judge offers up to 50,000 hours of battery life. The automatic power-saving mode activates after 225 seconds of inactivity and instantly reactivates with shake-to-awake motion sensing.

Durable Aluminum Build

Constructed from 7075-T6 aluminum alloy, the sight is lightweight, shockproof, and IPX7 waterproof, ensuring performance under various conditions.

Compact and Lightweight Design

Weighing only 1 oz and measuring 41 x 35 x 24 mm, this sight keeps your firearm balanced and easy to handle without adding bulk.

Flexible Mounting Options

The Judge includes a low-profile 1913 Picatinny mount and fits directly onto slides pre-cut for RMSC or Holosun K patterns, providing easy installation and compatibility with multiple platforms.

Shipping & Returns

  • Same Day Shipping


    All orders placed by 1PM( EST), Monday through Thursday, and by 11AM (EST) on Friday, are shipped same day. Orders placed outside these times will ship the next business day. We do not ship internationally or to Puerto Rico, Guam and other US territories at this time. For more details click here.

  • Free Standard Shipping


    We offer free standard shipping on thousands of items within the continental USA (this does not include Alaska and Hawaii).



  • Easy returns


    If you're not happy with your purchase for any reason, our flexible 30-day free return policy makes it easy to get a full refund. Click here to view our return policy.

Frequently Asked Questions

How do I return an item?

Returns are incredibly simple. Please log into your account, find your item you wish to return and follow the prompts to make a return. If you do not have an account, click here to find your order and make a return.

Will I receive a full refund when I return an item?

You will receive a full refund when you return an item in its original manufacturer’s packaging, undamaged and unmarked. If the item you are returning is priced at less than $35, you will be charged a 15% restocking fee. Please note you will not be refunded any shipping charges.

How many days do I have to make a return?

You have 30 days to make a return. During the holiday season, from November 1 to December 31, we extend the return window to 60 days. 

My item was damaged in transit. How do I place a return?

If your order has been noticeably damaged in transit, we strongly recommend that you refuse delivery and notify us immediately. Claims for missing items or items damaged in transit must be made within 48 hours of delivery. If there is carrier damage, please contact support@focuscamera.com with your order number and a description of the damage. 

There’s an issue with my order, what should I do?

Oh no! Please contact our customer service team so we can resolve the issue immediately. You can call us on 1.800.221.0828, email us at support@focuscamera.com, or send us a message here.

Can I exchange an item?

We do not currently offer exchanges. Please return the item you purchased within 30 days and order what you’d like instead.

If I ordered a kit, do I have to return all the items?

If you ordered a kit, you must return all components and accessories to receive a full refund.

I ordered a product that included a free item. I’d like to return it, do I need to return the free item as well?

If you ordered a product that included a free item, you must include the free item with your return. If not, your return will not be accepted and you will not receive a full refund.

Do you offer repairs?

We currently only offer camera repairs at our Brooklyn store. The item must be dropped off and collected in person as we do not accept shipped items for repair. For more information, please call our Brooklyn store on 1.718.431.7900.

What is your return policy?

Most items can be returned within 30 days for a full refund. Click here to read our full return policy. 

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