SureFire LM1-B-BK: Compact, Powerful, and Reliable 500-Lumen Forend WeaponLight Upgrade

• The SureFire LM1-B-BK is a powerful light upgrade for 600-series and 900-series dedicated forend WeaponLights. 
• Produces 500 lumens of brilliant LED white light, perfect for close- to mid-range engagements. 
• Features a proprietary TIR lens for a concentrated, far-reaching beam with ample surrounding light. 
• Compact and lightweight design enhances weapon handling, weighing only 1.7 oz (48 g) without the battery. 
• Built with aerospace aluminum, offering unmatched durability and reliability in tough conditions. 
• Weather-resistant with O-ring and gasket sealing, ensuring dependable performance in any environment. 
• Provides a one-hour runtime on a single 123A lithium battery, with gradual output reduction thereafter. 
• Designed and manufactured in the USA, delivering trusted quality for demanding users. 

What are some common accessories to add to the SureFire LM1-B-BK?

• 123A Lithium Batteries – Reliable, high-performance batteries to ensure uninterrupted use of the WeaponLight. 
• Pressure Pad Switches – Allows for remote activation of the light, improving ease of use during tactical scenarios. 
• Picatinny Rail Mounts – For securing the WeaponLight to a broader range of firearm setups. 
• Anti-Reflective Lens Covers – Protects the lens from damage while reducing glare and maintaining optimal beam performance. 
• Replacement O-Rings – Ensures continued water and weather resistance over time with regular maintenance. 
• Protective Carry Pouch – Offers a secure and convenient way to transport and store the LM1-B-BK. 
• These accessories enhance functionality, durability, and convenience, making the SureFire LM1-B-BK even more adaptable to a variety of applications. 

SureFire LM1-B-BK Features and Specs

The SureFire LM1-B-BK is a compact, high-performance LED upgrade for SureFire 600-series and 900-series dedicated forend WeaponLights. It delivers 500 lumens of bright, concentrated white light with a rugged design built for durability and reliability in all weather conditions. Powered by a single 123A battery, it offers a one-hour runtime and is optimized for close- to mid-range applications with its advanced TIR lens. Constructed from aerospace aluminum with a Mil-Spec hard-anodized finish, it is both lightweight and robust.

Key Features

• 500 lumens of bright, white LED light
• TIR lens for a concentrated beam with ample surround light
• Compact, durable design with a Mil-Spec hard-anodized aluminum body
• O-ring sealed for weather resistance
• Powered by one 123A battery (not included) for one hour of runtime
• Fits multiple forend WeaponLight models including 617, 618, 620, 628, and more
• Designed and built in the USA for superior quality and performance

What's in the box of the SureFire LM1-B-BK?

• (1) SureFire LM1-B-BK LED/TIR Lens Conversion Assembly
• (1) User Manual
• (1) Warranty Card

SureFire LM1-B-BK FAQs

What WeaponLights is the SureFire LM1-B-BK 3-Volt White Light For Dedicated Forends compatible with? 

The LM1-B-BK is compatible with all versions of the following forend WeaponLights: 617, 618, 620, 621, 623, 328, 628, 629, 636, 917, 918, 920, 923, and 936 models.

How long does the SureFire LM1-B-BK LED Module - 500 Lumens run on a single battery?

The LM1-B-BK provides a high output runtime of up to 1 hour using one 123A lithium battery, with a gradual decrease in output as the battery depletes.

What type of battery does the SureFire LM1-B-BK 600-Series and 900-Series Dedicated Forend WeaponLights require?

It uses a single 123A lithium battery (not included with the product).

What is the maximum output of the Surefire LM1 Lens Conversion Assembly For Dedicated Forends - LM1-B-BK?

The LM1-B-BK delivers a high output of 500 lumens with a peak beam intensity of 7,600 candela and a maximum beam distance of 175 meters.

Is the SureFire LM1-B 3-Volt Light Bezel - Black weather-resistant?

Yes, the LM1-B-BK features O-ring and gasket seals to ensure excellent resistance to harsh weather conditions.

What materials is the SureFire LM1 3V LED Conversion Head for Dedicated Forend WeaponLights, Black constructed from?

The LM1-B-BK is built from aerospace-grade aluminum with a Mil-Spec hard-anodized finish, making it rugged, durable, and ready for combat applications.

Does the SureFire 3-Volt White Light for Dedicated Forends (LM1-B) come with a warranty?

SureFire backs their products with a commitment to quality and durability.

Where is the Surefire LM1-B 3-Volt White Light For Dedicated Forends manufactured?

The SureFire LM1-B-BK is designed and built in the United States, ensuring high-quality craftsmanship.

Can I use the Surefire LM1-B-BK - 3-Volt White Light For Dedicated Forends for other lighting purposes?

While the LM1-B-BK is optimized for close-to-midrange applications and compatible with specific WeaponLights, it may not be ideal for non-dedicated applications. For broader solutions, refer to SureFire’s extensive range of lighting products.