Nightstick Xtreme Lumens Metal Weapon-Mounted Light – 850 Lumens
$82.13
TWM-850XL Xtreme Lumens Tactical Weapon-Mounted Light
The Nightstick TWM-850XL is a 850-lumen weapon-mounted light featuring a high-efficiency deep parabolic reflector and ambidextrous toggle switches for momentary and constant-on modes. Constructed from aircraft-grade aluminum, this light emits a 245-meter beam. Suitable for handgun use with compatible firearms.
Out of stock
The TWM-850XL Xtreme Lumens? Tactical Weapon-Mounted Light uses an LED rated at 850 lumens working in conjunction with a high-efficiency deep parabolic reflector to create a usable beam of light rated at 245 meters. This weapon light features a unique and completely ambidextrous Dual Dependent Toggle Switch on each side of the light to operate the momentary-on and constant-on lighting modes. The housing of the TWM-850XL is constructed from aircraft-grade 6061-T6 Aluminum with a Glass-filled Nylon Polymer battery door and toggle switches. Power comes from two included CR123 batteries. (Not compatible with rechargeable batteries.)
Specifications:
- Xtreme Lumens: Yes
- Multi-Function: Yes
- Flashlight Lumens: 850
- Beam Distance: 245 m
- Candela: 15000
- Drop Rating: 2 m
- Dust/Water Rating: IP-X7 Waterproof
- Flashlight Runtime: 1.75
- Length: 3.75 in (95 mm)
- Width: 1.5 in (38 mm)
- Depth: 1.5 in (38 mm)
- Weight: 5.4 oz (155 g)
- Head Diameter: 1.2 in (30 mm)
- Light Source: LED
- Case Material: Aircraft-grade 6061-T6 Aluminum w/Type III Hard Anodized Finish
- Body Color: Black
- Quantity of Batteries: 2
- Power Source: CR123 Lithium batteries
- Package Contents: Light modular rail inserts & screws Allen wrench 2 CR123 Lithium batteries
- US Patent: 9713217
- US Patent: 10451384
- Warranty: Limited Lifetime
| Weight | 0.450 lbs |
|---|---|
| Dimensions | 6.650 × 3.850 × 2.700 in |
| Manufacturer | Bayco Products dba NightStick |
| Frame Material | Aluminum |
PROCESSING & SHIPPING
Orders typically ship within 1–3 business days (Monday–Friday) after payment and all required documentation are received. Time to arrival after shipment depends on the carrier. Shipping method is at BT Gun Company’s discretion; ammunition and oversized accessories are charged at actual shipping cost. We do not ship to Hawaii or Alaska.
FIREARM TRANSFERS
- Firearms must ship to a licensed FFL dealer of your choosing — confirm with them first that they can accept the transfer.
- Your receiving FFL will need to email their license to [email protected] before we can ship.
- Inspect your firearm at your FFL’s location before signing ATF Form 4473 — once signed, the firearm is considered accepted.
You’re responsible for knowing the firearms laws in your state before ordering. For complete shipping, returns, and restocking-fee policy details, see our Shipping & Returns page.

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