Est. 2014 | USA Small Business

Princeton Tec Switch Rail | Weapon Light | Made in USA
FREE Delivery & Lifetime Warranty
☑️ Ships for FREE from Texas*
Ships today or next day on most orders that are "In Stock". Some orders that are custom or large may take extra time to prepare.
- Free shipping is 3-10 days and requires a purchase of $70 or more, or choose a faster method at checkout. Be sure to account for the 0-2 days it will take us to pack and ship an order, in addition to the shipping speed you choose.
- All orders ship as soon as possible. We don't like waiting and you probably don't either.
- If there are delays: (Only if delays are in green, above, do we expect them), just know that we are on your side. If you're waiting, we're waiting for you, plus hundreds and sometimes thousands of others to finish being made.
- Shipping times are estimations. Items that are custom, delayed, rejected, or affected by other acts of god will take additional time.
☑️ Why shop with Atomic Defense?
- Highly-rated 4.8/5 star service with 1200+ reviews, and counting!
- Secure transaction guaranteed. AES-256 Military Encryption.
- USA Family-Owned Small Business.
- BBB A+ Rated and Accredited.
- Open Monday to Friday. 9:00 AM to 4:00 PM Pacific.
- Lifetime Warranty.
- Free Shipping on orders over $70 inside the USA.
- Easy Returns and Exchanges.
- Our support doesn't end after the sale. We're here whenever you need us.
Need 10+ of these? Request a quote here:
Fill out the form for 10+ units by clicking here. (Total order must be $5,000 USD or more in value.)
CAGE: 9FAL3
UEI: QQ1EKLBAT886
Address: 2491 Alluvial Ave. Clovis, CA 93611
Need to submit a PO for your department? Fill this out and leave a note at the end.
Return & Exchange policy:
- Summary: Don't take those sweet Instagram pics and then try to return a used item. Must be within 30 days of delivery.
- Exchanges: Realized you need a different item? That's ok! Exchanges and returns are incredibly easy.
- We are a Small Business: We do the most we can to help with return costs, but we are not Amazon and cannot take hits or losses like Amazon.
- Wrong Items: Mistakes rarely happen. Atomic Defense takes pictures of orders before they are packaged and shipped. We pay for return, recertification, and exchange shipping costs if we ever make a mistake on your orders.
- Rules for Returns: We will deduct refurbishing costs, plus materials and labor, of used products or modified products - or decline the return. This includes, but is not limited to; products with residue, smells, scratches, missing parts, debris, dents and damage. **We reserve the right to refuse returns. Refused returns shipping cost back to the buyer are not covered by Atomic Defense.
- Packaging: Ensure returns are packaged safely with thick padding on all six sides. Failure to correctly package returns may damage products and cost will be deducted from Buyer's account or return refused.
- Bulletproof products: No one else accepts returns on ballistic items. We do.** However, recertification X-Ray costs on returned ballistic items is 20%.
- Starting a return/exchange: Click here
Become a product tester:
- Save money, live... wait, that's Walmart... Earn money for reviewing products on your social medias.
- Apply by clicking here.
Princeton Tec MPLS Multi-Light: Versatile, Lightweight, and Durable Lighting Solution
- The Princeton Tec Switch Rail Light is a compact and versatile lighting solution designed specifically for mounting onto a Picatinny rail.
- It offers high performance in a low-profile design, perfect for tactical, hunting, or recreational applications.
- Equipped with multiple lighting options, including white light, red light, and infrared light, to meet diverse operational needs.
- Lightweight at only 22g, ensuring it does not add significant weight to your gear.
- Water-resistant with an IPX7 rating, it can withstand tough outdoor conditions, including rain or accidental submersion.
- Features three brightness modes with adjustable beam patterns for optimal illumination in any situation.
- Long runtime of up to 28 hours on red low mode, allowing for extended use without frequent battery changes.
- Utilizes standard 2016 Lithium Coin Cell batteries for easy replacement and reliability.

What are some common accessories to add to the Princeton Tec Switch Rail?
- Clip mounts for helmets or gear attachment
- Additional Picatinny rail mounts for enhanced versatility
- Replacement coin cell batteries (2016 Lithium Coin Cell)
- Colored lens filters for various light adjustment needs
- Protective carrying cases for storage and transportation
- Pressure switches for tactical light activation
Princeton Tec Switch Rail Features and Specifications
The Princeton Tec Switch Rail is a compact, versatile lighting solution designed for tactical and outdoor use. With multiple light modes, durable construction, and a lightweight design, it combines functionality with convenience. Its compact form and advanced features make it an excellent choice for users requiring reliable illumination in a variety of situations.
Key Features
- Brightness: 20 lumens on high mode with 6 lumens for red high and 1 lumen for red low.
- Runtime: Offers up to 28 hours on red low mode, with 5 hours on high modes and reserve power for extended use.
- Multiple Light Colors: Includes white light, red light, and infrared light for different applications.
- Compact and Lightweight: Weighs only 22g, making it highly portable and easy to mount.
- Durable Design: Water-resistant to IPX7 standards, ensuring performance in wet conditions.
- Versatile Mounting Options: Specifically designed for Picatinny rails, providing secure and adaptable mounting.
What's in the box of the Princeton Tec Switch Rail?
- (1) Princeton Tec Switch Rail Light
- (1) Picatinny Rail Mounting Hardware
- (1) Product Information Card
- (2) 2016 Lithium Coin Cell Batteries
Princeton Tec Switch Rail FAQs
What is the weight of the Princeton Tec Weapon Light Rail Mount?
The Princeton Tec Switch Rail weighs 22 grams, making it lightweight and easy to carry or mount.
What types of light modes are available in the Weapon Mounted Light Rail?
The device features White Light, Red Light, and Infrared Light modes for versatile usage in different environments.
What is the battery type used in the Princeton Tec Switch Rail Mounted Tactical Light?
It uses two 2016 Lithium Coin Cell batteries, which are compact and reliable.
Is the Princeton Tec Direct Mount Weapon Light Rail water-resistant?
Yes, the device is rated IPX7 for water resistance, meaning it can withstand immersion in water up to 1 meter for 30 minutes.
What are the mounting options for the Princeton Tec Tactical Light Rail Mount?
The mounting options include compatibility with Picatinny rails, ensuring secure and customizable placement.
How long does the battery last on the White and Red Weapon Light Rail?
The battery provides up to 5 hours of runtime on Flood High mode at 20 lumens.
Can the Low Profile Weapon Light Rail be used for long-distance visibility?
The Princeton Tec Switch Rail supports an effective distance of up to 19 meters, depending on the mode used.
Is Infrared Light supported for tactical applications?
Yes, the device includes an Infrared Light mode suitable for tactical and specialized applications.
Can this device be used in extreme environments?
With its IPX7 water resistance and durable design, the Princeton Tec Switch Rail is great for various outdoor and tactical environments.
Where can I purchase the Princeton Tec Switch Rail?
The Princeton Tec Switch Rail is available on Atomic Defense, your trusted source for high-quality tactical and safety equipment.