Installed product on the Mossberg 500. Fits perfectly, operates perfectly. I would like to see a hand strap option, but he grip stays in my hand while firing very well. It's slightly rubbery. The position of the buttons activating the light are ambidextrous and easy to access. The illumination will give anything a "deer in the headlight" moment.
Wish Surefire made it strobe, too!
Instructions were insufficient for anyone who has never broken their shotgun down before. They do include however, the required guidance regarding the grip-length spacer.
Also, grip significantly increased the cross-sectional profile, and my Mossberg 500 no longer fits in my ruck-holster.
So with my greatly improved Mossberg 500, within insane illumination, I am shopping for a new holster.
Reviewed by Shane Hesse (Posted on 11/3/13)
- Nice, but...
Easy to install, but I had to remove the Mossberg heat shield due to clearance issues. Apparently a combination that wasn't tried in the design or testing. Installed on Mossberg 500 Cruiser.
Reviewed by Mark Miller (Posted on 10/28/13)
|Output / Runtime -- White Light|
|High||600||lumens / 1.5 hours*|
|Low||200||lumens / 3.0 hours*|
Featuring two levels of tactical illumination, ambidextrous switching, a slender ergonomic design, and legendary SureFire reliability and durability, the DSF-500/590 is the ultimate WeaponLight for Mossberg 500 or 590 shotguns.
This compact, lightweight system replaces the weapon’s original factory forend and features a recoil-proof LED that generates 600 lumens of blinding white light at maximum output, or 200 lumens with twice the runtime on its high setting. The LED’s light is focused by a precision reflector to create a smooth, wide beam perfect for closer-range shotgun applications typical in law enforcement and home defense—with enough reach and surround light to properly identify threats and maintain situational awareness.
The DSF-500/590 features large, tactile momentary and constant-on switches on both sides for precise control by left- and right-handed shooters. Selecting the LED’s output is achieved by activating the light in constant-on mode and then pressing the output-mode selector switch until the desired output level (600 or 200 lumens) is set. The selected output can then be left in constant-on mode or switched to momentary activation, and it stays at that output level until reset. Every DSF-Series WeaponLight also features an integrated system-disable switch to prevent accidental activation during transport, storage, or stealth operations.
A lightweight but strong aluminum module protects the optics, LED, and sophisticated electronics, minimizing length with side-by-side placement of the two lithium batteries that power the system. The module has a Mil-Spec hard anodized finish to protect against scratches, abrasion, and corrosion, while O-ring and gasket seals keep out moisture, dust, and debris. The slender forend body is made from extremely tough polymer and is textured for a secure hold and features large, tactile momentary and constant-on switching on both sides for precise control by left- and right-handed shooters.
The DSF-500/590 fits as-is any 500 or 590 shotgun variant with a 6¾" forend tube (magazine tube). An included internal spacer provides a proper fit for 7¾" forend tubes.
The DSF-500/590 provides unmatched power, versatility, and control, making it a must-have on Mossberg 500 and 590 shotguns used in combat, law enforcement, or home defense.
Fits: Mossberg 500 and 590 shotguns with either 6¾” or 7 ¾” forend tube
- Virtually indestructible, two-output LED generates 600 lumens of blinding light on its max setting, and 200 lumens with nearly twice the runtime on high
- Precision reflector shapes a versatile beam with ample reach and surround light for close- to medium-range applications
- Switching—ambidextrous momentary- and constant-on switches on both sides, output-mode-selector switch on left side, system-disable switch on forend bottom
- Slender, lightweight, high-impact polymer forend is textured for secure grip
- Construction—Mil-Spec hard-anodized aluminum body; coated, tempted window; O-ring & gasket seals for weatherproofing
- Includes high-energy 123A batteries with 10-year shelf life
- Backed by SureFire’s No-Hassle Promise