Nightstick Weapon Mounted Tactical Light - High Lumen, Durable, and Compact

SKU:
115685793
|
UPC:
017398806503
|
MPN:
TWM852XL
$89.95
$133.20
(You save $43.25 )
Current Stock:
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Finish-Color:
Black Anodized
OAL:
3.50"
Proofs:
Chemical/Impact Resistant/Waterproof
Battery Size:
CR123A
Material:
Aluminum
Weight:
4.50 oz
Bulb Type:
LED
Output:
850 Lumens
Rechargeable:
No
Filter Color:
White
Switch Type:
Push Button Tail
Body Diameter:
1.5"
For Series:
Long Gun Picatinny Rail
Head Diameter:
1.20"

The Bayco Nightstick TWM-852XL is a compact, rifle-mounted tactical light built for hunters, precision shooters, and operators who need reliable illumination on their long guns. This Picatinny rail-mounted light delivers 850 lumens with a 245-meter beam distance, enough output to light up target areas and identify threats in low-light conditions without overwhelming your night vision or breaking your cheek weld. At just 3.5 inches long and 4.5 ounces, it won't throw off your gun's balance or add bulk to your setup.

Built from aircraft-grade 6061-T6 aluminum with Type III hard anodizing, the TWM-852XL is engineered for durability in the field. The housing carries an IP-X7 waterproof rating, so rain, creek crossings, or heavy condensation won't kill your light when you need it most. The single rear-mounted switch gives you both momentary and constant-on operation—tap it for a quick look, hold it for sustained illumination. Runtime on a pair of CR123 lithium batteries is 1.75 hours at full output, and the light can handle a 2-meter drop without failure.

Installation is straightforward: the light ships with cross-rail inserts pre-installed, two fresh CR123 batteries, and an Allen wrench so you're ready to mount and shoot. This is a no-nonsense tool for hunters working dark timber or late-season sits, tactical shooters running night drills, or anyone who wants white-light capability without complexity.

Key Features

  • 850-lumen LED output with 245-meter beam distance for reliable long-gun illumination
  • Momentary and constant-on switching for flexible tactical operation
  • Compact 3.5-inch length and 4.5-ounce weight—minimal impact on gun handling and balance
  • IP-X7 waterproof rating protects against rain and submersion
  • Aircraft-grade 6061-T6 aluminum with hard anodized finish resists corrosion and impact
  • Secure Picatinny rail attachment with pre-installed cross-rail inserts
  • Drops to 2 meters without failure—built for rough field use
  • Includes two CR123 lithium batteries and Allen wrench for immediate deployment

Specifications

Lumens850
Beam Distance245 meters
Candela15,000
Runtime1.75 hours
Light SourceLED
Switch FunctionMomentary or constant-on
Length3.5 inches (89 mm)
Width1.5 inches (38 mm)
Depth1.5 inches (38 mm)
Head Diameter1.2 inches (30 mm)
Weight4.5 ounces (128 grams)
MaterialAircraft-grade 6061-T6 aluminum, Type III hard anodized
ColorBlack
Water RatingIP-X7 waterproof
Drop Rating2 meters
Power Source2 × CR123 lithium primary batteries
Battery Type CompatibilityCR123 lithium primary only (not compatible with rechargeable batteries)
Rail AttachmentPicatinny rail with cross-rail inserts

Frequently Asked Questions

Will this weapon light work with rechargeable batteries?

No. The TWM-852XL is designed for CR123 lithium primary batteries only and is not compatible with rechargeable battery types. Two CR123 batteries are included with the light.

What guns is this tactical light compatible with?

The Nightstick mounts to any long gun with a Picatinny rail using the included cross-rail inserts. It's designed for rifles and shotguns with standard Picatinny rail systems.

How long will the battery last on a single charge?

At full 850-lumen output, a set of two CR123 batteries will run the light for 1.75 hours of continuous use.

What's included in the box?

The package includes the Nightstick light with pre-installed cross-rail Picatinny inserts, two CR123 lithium batteries, and an Allen wrench for installation and adjustment.