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Questions & Answers
How do you lessen the wiggle on a 590s? There is a bit of wiggle! Manufacturer Answer

Some side-to-side play of the SFL when mounted is normal. It is a byproduct of the spring-loaded action tube action bars. This is by Mossberg's design to reduce the binding of the action bars into the receiver.

by Nightstick, Manufacturer, February 19, 2025
Customer Reviews
Helpful Positive Review
Nice Equipment by Buckethead, Verified Owner, February 8, 2026
I purchased 2 of these lights/laser combo after seeing them at 2026 Shot Show. It was and easy install and works nicely.
2/2 found this helpful
Helpful Positive Review
VERY SATISITIED by ScubaRanger, February 5, 2025
I have a Mossberg 500 shotgun that I have used very little. I have cleaned it but never have broken it down. I watched a 3 minute video on YouTube and spent another 5 minutes to disassemble the shotgun, remove the old foregrip, install the Nightsti...
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1/1 found this helpful
Helpful Positive Review
Point & Shoot by Competition Papi, August 11, 2023
Out of the box the solid & rugged. Installs in minutes and looks awesome. Then comes the rubber to road moment. Turn on the laser & fire……bullseye. No tweaking, no sighting —just solid on target hits from the waist on a 590M Shockwave. No need to rai...
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3/3 found this helpful
Helpful Positive Review
Great for a home protection shotgun by Rambo, Verified Owner, December 15, 2023
Purchased this for a Mossberg 500 short barrel Cruiser I've had for many years. Doesn't even have the tapped holes for the top rail. Any way, I wanted a better option for a light and saw this with a laser. I personally think it is perfect for handli...
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1/1 found this helpful
Helpful Positive Review
Great addition by Nacho, Verified Owner, October 19, 2022
Quality. Light is bright and laser is strong. I wish however that the modes were assigned to a button rather than pressing opposite ends to change it. The tool for loosening the nut however was very weak and broke upon tightening it. I had a spare ho...
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4/4 found this helpful
Helpful Positive Review
Great service by RM2 SS, Verified Owner, July 2, 2022
Super fast delivery. I was told it was on back order and may be 2 weeks. I got it in 4 days. The light is awesome. I had 1 problem with the castle nut tool plastic tabs shearing off. No big deal I got a metal one from another vendor.
2/2 found this helpful
Read All 20 Reviews
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Product Info for Nightstick Shotgun Forend LED Light For Mossberg 500/590/Shockwave with Laser

The shotgun forend weapon light is a complete forend replacement for your 12 gauge Mossberg 500/590/590A1 or Shockwave pump-action shotgun. Built from a one-piece body of heavy-duty glass-filled nylon with an over-molded rubber grip area, it features a super-bright LED rated at 1200 lumens with an hour and a half runtime. Designed around a high-efficiency deep parabolic reflector, the tightly focused beam has a 203-meter beam distance.image

The SFL forend features ambidextrous switches positioned intuitively towards the front for easy activation. Both buttons are surrounded by a small raised bump guard that helps prevent accidental activation while racking the action or laying it on its side. The light also features an ergonomic palm swell design to improve grip during light activation and weapon manipulation under stress.

Each SFL comes with an optional hand stop/safety strap and Nightstick's SFL action tube nut wrench for removal of factory-installed castle nut and pump handle fore-end. Comes with two CR123 batteries, but can be upgraded to li-ion rechargeable with optional 18650-KIT.

WARNING: California`s Proposition 65

Specifications for Nightstick Shotgun Forend LED Light For Mossberg 500/590/Shockwave with Laser:

Manufacturer: Nightstick
Light Output: 1200 lumens
Bulb Type: LED
Battery Type: CR123
Beam Color: Green
Gun Model: Mossberg Model 500, Mossberg Model 590 Shockwave
Beam Distance: 203 m
Length: 7.1 in
Weight: 17.5 oz
Bezel Diameter: 1.3 in
Gun Make: Mossberg
Battery Life: 1.5 hours
Weather Resistance: None, Waterproof
Battery Quantity: 2
Included Accessories: Standard
Condition: New
Gun Type: Shotgun
Fabric/Material: Glass-Filled Nylon

Features of Nightstick Shotgun Forend LED Light For Mossberg 500/590/Shockwave with Laser:

  • LED technology;
  • Ambidextrous switches;
  • Light, Laser or Light & Laser operation modes;
  • Momentary or constant-on light function;
  • Sharp focused beam for distance illumination;
  • Robust one piece glass-filled nylon body with rubber over-molded grip area;
  • Beam distance rated at 203 meters;
  • IP-X7 Waterproof;
  • Impact & chemical resistant;
  • Serialized for personal identification;
  • Limited Lifetime Warranty

Package Contents:

  • Nightstick Shotgun Forend LED Light For Mossberg 500/590/Shockwave with Laser
  • Action tube nut wrench
  • Nylon hand strap
  • Mounting hardware
  • Allen wrench
  • Optional action tube spacer
  • Laser adjustment allen wrench
  • Battery carrier
  • (x2) CR123 batteries
  • Instruction manual

Nightstick Shotgun Forend LED Light For Mossberg 500/590/Shockwave with Laser Orderable Models

List of Orderable Models

  • Nightstick Shotgun Forend LED Light For Mossberg 500/590/Shockwave w Green Laser, Black, SFL-11GL , MPN: SFL-11GL , UPC: 017398808200 , Code: 28X-FLW-STG59M-SFL-11GL
  • Nightstick Shotgun Forend LED Light For Mossberg 500/590/Shockwave w/ Green Laser, Less-Lethal Orange, SFL-12GL , MPN: SFL-12GL , UPC: 017398808224 , Code: 28X-FLW-STG59M-SFL-12GL

Nightstick Shotgun Forend LED Light For Mossberg 500/590/Shockwave with Laser Unavailable & Discontinued Models

List of Unorderable Models

  • USED, Nightstick Shotgun Forend LED Light For Mossberg 500/590/Shockwave w Green Laser, Black, SFL-11GL , MPN: SFL-11GL-EDEMO , Code: 28X-FLW-STG59M-SFL-11GL-EDEMO-IN-C
  • DEMO, Nightstick Shotgun Forend LED Light For Mossberg 500/590/Shockwave w Green Laser, Black, SFL-11GL , MPN: SFL-11GL-DEMO , Code: 28X-FLW-STG59M-SFL-11GL-DEMO
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