SKU CSSI|SM89025 Category

Streamlight Protac Rail Mount 1L-X Pro Handgun Weapon Light SL-B9 850 Lumens Black

Streamlight Protac Rail Mount 1L-X Pro Handgun Weapon Light SL-B9 850 Lumens Black

Streamlight Protac Rail Mount 1L-X Pro Handgun Weapon Light SL-B9 850 Lumens Black

$128.00

12 in stock

The ProTac Rail Mount 1L-X Pro is a compact multi-fuel high-output tactical light designed for short-barreled rifles carbines and submachine guns. Featuring the innovative Jack-Cap tail cap this light offers dual operational redundancy — choose push-button activation or remote pressure switch control for ultimate flexibility. The integrated port ensures secure attachment of the remote pressure switch while the rail clamp system fits MIL-STD-1913 Picatinny rails. It also includes an M-LOK mount for alternative mounting options on M-LOK compatible rail systems. This tactical light delivers high lumen output for superior visibility in low-light environments. It is perfect for law enforcement military and tactical applications.

  • Multi-Fuel: Uses (1) Streamlight SL-B9 protected Li-Ion USB rechargeable battery pack; also accepts (1) CR123A lithium batteries
  • TEN-TAP Programming Allows for Selection of Three Different Operating Programs:
    1) High/Strobe (Factory Default)  2) High Only  3) Low/High
    • High: 850 lumens; 30000 candela; 346m beam distance; 0.5 hours (SL-B9). 500 lumens; 18000 candela; 268m beam distance; 1.75 hours (CR123A)
    • Low: 100 lumens; 3400 candela; 117m beam distance; 4.5 hours (SL-B9). 100 lumens; 3400 candela; 117m beam distance; 6.5 hours (CR123A)
    • Strobe: 1.25 hours (SL-B9); 2.5 hours (CR123A)
  • Mounts directly to guns with MIL-STD-1913 (Picatinny) rails or M-LOK and M-LOK compatible rails
  • Jack-Cap tail cap offers push-button switch and port for a remote pressure switch.
  • Multi-function push-button tail switch with momentary and latching constant-on operations. Momentary only remote switch included 
  • One-handed snap-on and tighten interface keeps hands away from muzzle when attaching/detaching from the firearm
  • 6000 Series machined aircraft aluminum with black anodized finish
  • High-temperature shock-mounted anti-reflective coated impact-resistant BOROFLOAT glass.
  • Extensively live fire tested impact-resistant construction
  • IP67 rated with standard push-button switch installed; waterproof to 1 meter for 30 minutes
  • IP54 rated with the remote pressure switch installed for water-resistant operation
  • Weight: 5.5 oz (155.9g) with (1) CR123A battery; 5.6 oz (158.8g) with (1) SL-B9 rechargeable battery pack
  • Streamlight's Limited Lifetime Warranty

Additional information

Upc

080926890251
Manufacturer

Streamlight
Manufacturer part number

89025
Lumens

850
Model

ProTac Rail Mount
Product type

Weaponlight
Shipping weight

0.733
Style

Rail Mounted

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FAQ

BJ Firearms LLC is a federally licensed firearms business focused on providing quality firearms, accessories, and related services while promoting responsible ownership, education, and community engagement.

The company was founded to serve firearm enthusiasts with knowledgeable service, real-world experience, and a commitment to professionalism and safety.

We focus on real experience, personalized service, hands-on product knowledge, and community involvement — not just sales. Our goal is to help customers make informed decisions and feel confident with their equipment.

Yes. We operate as a federally licensed firearms dealer (FFL), following all applicable federal, state, and local regulations.

Yes. We partner with trusted suppliers to provide quality products and reliable sourcing.

Yes. We partner with content creators and industry professionals to provide real-world insights and experiences.

We work with everyone — from first-time buyers to experienced enthusiasts. Education and guidance are a big part of what we do.

We offer firearms, accessories, gear, and related equipment depending on availability and customer needs.

Yes. We help customers evaluate their needs, experience level, and intended use to find the right fit.

Yes. Depending on the request, we can help source specific products or assist with custom configurations.

Yes. We actively engage in hands-on experiences, demonstrations, and community-related firearm activities when possible.

Yes. We support content that helps people learn about equipment, safety, and responsible firearm ownership.

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Customer Reviews

“Outstanding customer service.” I had a lot of questions before buying, and they walked me through everything without pressure. Super knowledgeable and easy to work with. You can tell they actually care about their customers.
Verified Customer
“Best experience I’ve had buying gear.” Professional, responsive, and honest. They helped me choose exactly what I needed without overselling anything. I’ll definitely be coming back.
Verified Customer
“Great people, great service.” Very down-to-earth and easy to talk to. They explain things clearly and make sure you understand your options. Highly recommend, especially if you’re new.
Verified customer

BJ FIREARMS LLC

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