--- product_id: 212523675 title: "Crusader RD3-009 Red Dot Reflex Sight for Sig Sauer P365 Handgun Pistol, Black" brand: "ade advanced optics" price: "€ 176.89" currency: EUR in_stock: true category: "Ade Advanced Optics" url: https://www.desertcart.at/products/212523675-crusader-rd3-009-red-dot-reflex-sight-for-sig-sauer store_origin: AT region: Austria --- # 5 MOA precision dot Waterproof 30 min @ 4ft Fully adjustable & lockable Crusader RD3-009 Red Dot Reflex Sight for Sig Sauer P365 Handgun Pistol, Black **Brand:** ade advanced optics **Price:** € 176.89 **Availability:** ✅ In Stock ## Summary > 🎯 Lock, Load, and Lead with Confidence! ## Quick Answers - **What is this?** Crusader RD3-009 Red Dot Reflex Sight for Sig Sauer P365 Handgun Pistol, Black by ade advanced optics - **How much does it cost?** € 176.89 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/212523675-crusader-rd3-009-red-dot-reflex-sight-for-sig-sauer) ## Best For - ade advanced optics enthusiasts ## Why This Product - Trusted ade advanced optics brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Power That Lasts:** Powered by a long-lasting CR2032 lithium battery with 5 illumination settings to adapt to any lighting condition. - • **Built to Brave the Elements:** Shockproof, fogproof, and waterproof for 30 minutes under 4 feet of water—ready for any environment. - • **Custom Fit for Sig Sauer P365:** Includes a dedicated mounting plate designed specifically for the P365 base model for seamless installation. - • **Pinpoint Accuracy, Every Time:** 5 MOA red dot with parallax-free optics ensures rapid target acquisition and flawless precision. - • **Effortless Adjustments, Locked In:** Windage and elevation are fully adjustable and lockable, guaranteeing your zero stays true under pressure. ## Overview The Ade Advanced Optics Crusader RD3-009 is a rugged, precision-engineered red dot reflex sight tailored for the Sig Sauer P365 handgun. Featuring a 5 MOA reticle, waterproof and shockproof durability, and fully adjustable windage and elevation, it delivers reliable performance in diverse conditions. Its custom mounting plate ensures a perfect fit, while the included CR2032 battery powers five brightness settings for optimal visibility. Ideal for professionals and enthusiasts seeking affordable, high-quality optics that don’t compromise on accuracy or resilience. ## Description While it is possible to install this mount without the use of a Gunsmith, we recommend hiring a professional gunsmith. Please note. Unprofessional installation such as improper torque will result in screw loose, not holding zero, damage to the firearm/optic and personal injury. When you first receive ADE red dot. It might has a picatinny mounting plate pre-assembled (might be packaged separately in the retail package, depends on the ADE model). Please use the allen wrench provided to take out the 2 hex screws(M3x6mm) on the top behind the glass frame. It will disconnect the red dot from the picatinny mounting plate. You will then be able to attach the red dot to a variety of handgun mounting plates that are sold separately（please read the description to see if this listihng comes with an optic plate for a specific handgun). ## Features - Ade Advanced Optics first made its appearance in the firearms accessory industry by doing private label production for several major manufacturers and retailers. During this period, Ade Advanced Optics began receiving requests from numerous customers for access to the affordable, high quality products that Ade Advanced Optics was capable of producing. By soliciting feedback from both clients and end users, Ade Advanced Optics was able to overcome the challenges a new company often faces when entering a global market and industry, especially one as competitive as the shooting, hunting, and outdoors industry. - Comes with a Picaitnny mounting plate. Also comes with ADE all new designed adapter plate is to REPLACE the rear sight for Sig Sauer P365 Handgun - The handgun mounting plate only fits Sig Sauer P365 base Model. It does NOT fit P365XL which is already Optics Ready. ADE have a different plate made to fit P365XL that allow ADE RD3 series and other Doctor/Vortex Venom type red dot to be able to fit P365XL - Crusader RD3-009 Red Dot. Shockproof, Fogproof and waterproof for 30 minutes under 4ft water. Lenses are precision ground and polished to exacting geometries to virtually eliminate parallax and to provide a very clear, crisp sight picture. - Fully windage and elevation adjustable and lockable; Unlimited Eye Relief - 5 MOA. 5 Illumination Settings. Powered by a lithium CR2032 battery(Included) ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08BL5Y8YF | | Best Sellers Rank | #677,173 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #1,484 in Gun Sights | | Brand Name | Ade Advanced Optics | | Color | Black | | Compatible Devices | Handgun | | Customer Reviews | 3.3 3.3 out of 5 stars (25) | | Hand Orientation | Ambidextrous | | Included Components | Optics, optic mount | | Item Type Name | Optic Sight | | Item Weight | 1 Pounds | | Lens Color | Black | | Magnification Maximum | 1 x | | Magnification Minimum | 1 x | | Manufacturer | Ade Advanced Optics | | Manufacturer Part Number | RD3-009+P365 | | Material Type | Aluminum | | Model Name | RD3-009+P365 PLATE | | Mounting Type | Picatinny Mount | | Night vision | No | | Product Style | Reflex Sight | | Reticle Type | Single Dot | | Sport Type | Hunting | | Thread Type | Picatinny | | UPC | 640978388429 | | Unit Count | 1.0 Count | | Warranty Description | 1 year manufacturer | ## Product Details - **Brand:** Ade Advanced Optics - **Color:** Black - **Compatible Devices:** Handgun - **Item Weight:** 1 Pounds - **Magnification Maximum:** 1 x - **Magnification Minimum:** 1 x - **Material:** Aluminum - **Mounting Type:** Picatinny Mount - **Sport:** Hunting - **Style:** Reflex Sight ## Images ![Crusader RD3-009 Red Dot Reflex Sight for Sig Sauer P365 Handgun Pistol, Black - Image 1](https://m.media-amazon.com/images/I/41BbOrbaZ+L.jpg) ## Frequently Bought Together - Ade Advanced Optics Crusader RD3-009 Red Dot Reflex Sight for Sig Sauer P365 Handgun Pistol, Black - WARRIORLAND Mini Gun Light with Kydex Holster Combo - Compatible with Sig P365 / P365X / P365 XL Pistol, 150 Lumens Rail Mount LED Tactical Flashlight SL-1 w/ Holster --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.at/products/212523675-crusader-rd3-009-red-dot-reflex-sight-for-sig-sauer](https://www.desertcart.at/products/212523675-crusader-rd3-009-red-dot-reflex-sight-for-sig-sauer) --- *Product available on Desertcart Austria* *Store origin: AT* *Last updated: 2026-07-11*