Nightstick TCM-550XLS | 550 Lumens Weapon Light

The Nightstick TCM-550XLS is a compact weapon-mounted light that produces a maximum output of 550 lumens through a precision-engineered TIR lens and delivers a focused beam rated at 136 meters. It uses ambidextrous rear-facing toggle switches offering momentary, constant-on, and strobe modes, and is built with aircraft-grade 6061-T6 aluminum and a polymer rear housing. The light ships with four handgun-specific modular rail inserts (pre-configured with a Glock insert), spare hardware, an Allen wrench, and one CR123 battery.

Common applications for this light include everyday carry (EDC) setups on compatible pistols and low-light target identification during range training or duty use.

Product Specifications

• The model/part number is TCM-550XLS.
• The maximum output is 550 lumens.
• The beam is rated to 136 meters.
• The power source is a CR123A battery (included).
• The housing is constructed from aircraft-grade 6061-T6 aluminum with a polymer rear housing.
• The finish is Type III hard anodized (black).
• Switching is provided by ambidextrous rear-facing toggle switches offering momentary, constant-on, and strobe modes.
• The package includes 4 handgun modular rail inserts, spare Allen screws, and an Allen wrench.
• The light is listed as waterproof, impact & chemical resistant.
• The fit is specified for Glock pistols (modular inserts included).
• The runtime is listed as 2.50 hrs.
• The unit is not rechargeable.
• The serialized product is provided for personal identification.
• The weight is 2.50 oz.
• The UPC is 017398807050.

The TCM-550XLS balances compact size with a high-output LED and focused beam geometry, making it suitable for operators and informed shooters who need reliable illumination in low-light scenarios. Its ambidextrous controls and modular rail inserts add practical versatility for users mounting the light to compatible pistols.