Free Shipping & Free Returns*

FREE SHIPPING on Over 250,000 Products

Enjoy free shipping during the holidays! Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC and to all U.S. Military APO/FPO/DPO addresses.

Enjoy Our Extended FREE RETURNS

We want to ensure that making a return is as easy as possible! With our Hassle-Free, Extended Holiday Returns, eligible orders placed from November 12, 2025 on will benefit from an extended return deadline (January 13, 2026 or 30 days after receipt of your order - whichever is later). We'll even cover the cost of return shipping. Learn more about our Return Policy.

Shopping Cart
Government Export Restriction Government Export Restriction
Questions & Answers
Customer Reviews
Helpful Positive Review
Streamlight 2.0 hp by M, Verified Owner, June 13, 2025
Works well, tested at night to 200 plus yards and could see a coyote through my 3x spitfire. Mounted well to my handrail with included mounts. Pressure switch had to mount to top picatinny rail due to aftermarket piccatinny rail I mounted to side was...
Read More...
1/1 found this helpful
Helpful Positive Review
One very bright light! by Tyler M., Verified Owner, June 23, 2025
Streamlight knocked it out of the park with this one. Super bright rated at 2000 lumens. Coming with the 45 degree rail mount allowed me to mount it on the side nice and tight to the rail. It comes with everything pictured and worked perfectly right ...
Read More...
1/1 found this helpful
Most Recent Reviews
this thing is so bright, I have to wear shades. by Scar, Verified Owner, October 24, 2025
The Protac 2.o is a screaming ball of light. The strobe feature will definitely stop anything inits tracks. The pressure switch works very well with the light. I think the fact that it's rechargeable with a type C plug is awesome. And I would most ...
Read More...
Most Recent Reviews
Great tactical light by J, Verified Owner, October 14, 2025
Super easy to install with either pic rail or mlok. Its like having car headlights on your rifle!
Most Recent Reviews
Streamlight Protac 2.0 HP by Grimey556, Verified Owner, October 11, 2025
Absolutely fantastic light and and objects are easily visible at 100 yards and around 25 to 35 yards wide on full brightness only downside it is a chunky light and it is heavy. M-loc mounting screws are a little long and may obstruct your gas block i...
Read More...
Most Recent Reviews
Incorrectly sized hardware. by Johnson, Verified Owner, September 7, 2025
The replacement screws for the m-lock mount do not fit in the flashlight. I bought new screws of the same size which did fit. The m-lock mount also did not have the correct depth to fit my handguard, and because I bought cheap screws - they ended up ...
Read More...
0/1 found this helpful
Read All 8 Reviews
Show In Stock Only
2 Models Available
Condition
All
Condition Quality
All
Condition Details
All
Search
Click to select this item for your bundle offer!

Buy Together and Save

As low as $273.88
You Save Up to 49%
Receive $6.16 OP Bucks

Product Info for Streamlight Protac 2.0 Rail Mount HP USB SL-B50 Rechargeable 2000 Lumens Weapon Light System

With an illumination that soars beyond many of the competition's lighting systems, Streamlight Protac 2.0 Rail Mount HP USB SL-B50 Rechargeable 2000 Lumens Weapon Light System was crafted to pierce through some of the toughest areas. The firmness and the rich power source of these Gun Mounted Flashlights are exactly the systems that customers need. Streamlight has been a devoted leader in the shooting industry for several years, due to its determination to deliver superb lighting systems for its customers, and the Streamlight Protac 2.0 Rail Mount HP USB SL-B50 Rechargeable 2000 Lumens Weapon Light System is the perfect result of that commitment. Delivering nearly effortless operation and durability, Streamlight Protac 2.0 Rail Mount HP USB SL-B50 Rechargeable 2000 Lumens Weapon Light System is an impeccable firearm light. At OpticsPlanet, we are excited to be your guide in locating the perfect product that meets the demands of what your firearm needs, and Streamlight Protac 2.0 Rail Mount HP USB SL-B50 Rechargeable 2000 Lumens Weapon Light System shares in the many gun lights that we are delighted to provide. For a shot at effectiveness and stability, don't hesitate to get the Streamlight Protac 2.0 Rail Mount HP USB SL-B50 Rechargeable 2000 Lumens Weapon Light System.

Specifications for Streamlight Protac 2.0 Rail Mount HP USB SL-B50 Rechargeable 2000 Lumens Weapon Light System:

Manufacturer: Streamlight
Light Output: 2000 lumens
Battery Type: Rechargeable
Color: Black
Beam Distance: 583 m
Weapon Mount Type: Picatinny
Battery Life: 11 hours
Weather Resistance: Dustproof
Package Type: Box
Water Resistant Mark: 2 m
Water Resistance Level: IP67

Features of Streamlight Protac 2.0 Rail Mount HP USB SL-B50 Rechargeable 2000 Lumens Weapon Light System

  • 2,000 lumens and 583 meter beam on High mode
  • Switch to Low mode for 11 hours of runtime
  • High/Low/Strobe modes
  • TEN-TAP Programming to choose your preferred operating mode
  • Powered by the SL-B50 battery pack that charges using a USB-C cord outside of the light or inside - no need to remove from your weapon!
  • Securely fits a broad range of weapons. Mounts directly to guns with MIL-STD-1913 (Picatinny) rails or M-LOK and M-LOK compatible rail systems
  • IP67 rated; Dust-tight and waterproof to 2 meters

Package Contents:

  • Streamlight Protac 2.0 Rail Mount HP USB SL-B50 Rechargeable 2000 Lumens Weapon Light System
  • M-LOK Mount
  • Mounting Hardware
  • Straight Momentary Pressure Switch
  • (1) SL-B50 Rechargeable Battery Pack
  • USB-C Cord

Streamlight Protac 2.0 Rail Mount HP USB SL-B50 Rechargeable 2000 Lumens Weapon Light System Orderable Models

List of Orderable Models

  • Streamlight Protac 2.0 Rail Mount HP 2000 Lumens Weapon Light System, SL-B50 Rechargeable with M-LOK Mount, Mounting Hardware, Straight Momentary Pressure Switch, USB-C Cord, Black, 89014 , MPN: 89014 , UPC: 080926890145 , Code: SQ-FLW-STR0135-89014
  • USED, Streamlight Protac 2.0 Rail Mount HP 2000 Lumens Weapon Light System, SL-B50 Rechargeable with M-LOK Mount, Mounting Hardware, Straight Momentary Pressure Switch, USB-C Cord, Black, 89014 , MPN: 89014-EDEMO , Code: SQ-FLW-STR0135-89014-EDEMO-RE-C

Streamlight Protac 2.0 Rail Mount HP USB SL-B50 Rechargeable 2000 Lumens Weapon Light System Unavailable & Discontinued Models

List of Unorderable Models

  • DEMO, Streamlight Protac 2.0 Rail Mount HP 2000 Lumens Weapon Light System, SL-B50 Rechargeable with M-LOK Mount, Mounting Hardware, Straight Momentary Pressure Switch, USB-C Cord, Black, 89014 , MPN: 89014-DEMO , Code: SQ-FLW-STR0135-89014-DEMO
Compare (0)