Here are the 4 best FN 57 lights

As seasoned users with extensive experience using these lights in low light training, and know exactly what to look for in a pistol light, we have rigorously tested these lights for an extended period to provide authoritative recommendations. 

Our evaluation criteria include lumen intensity, beam pattern, control ergonomics, battery life, and price.

Explore our in-depth analysis to uncover the pros and cons of each model, empowering you to make an informed buying decision.

Best 4 Lights For FN FIVE SEVEN

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Streamlight TLR 1 HL - Best Overall

The Streamlight TLR 1 is by far the most popular duty grade pistol light for the FN FIVE SEVEN with great illumination capabilities just under $170.

fn 57 streamlight tlr 1 hl

(HL Model) Increased Lumen - 1000 lumens provides much brighter beam to extend the visibility to see further in the dark, and accurately hit targets with this rifle alike caliber 5.7mm bullet

streamlight tlr 1 hl beam pattern drone shot

Wide Illumination - Great flood beam pattern to lit up everything near the shooter without having to point the muzzle all over the place

Easy Toggle Switch - Very user friendly rocker switches to use even when wearing thick gloves. No hard press required

Serviceable Lens Bezel - Easy to clean and replace the reflector if damaged


  • 1000 Lumens
  • 15000 Candela
  • 2 CR123A Batteries
  • 4.18 oz
  • 3.39 in
  • IPX7


  • Very affordable duty light
  • Field grade durability
  • Replaceable lens bezel
  • Very easy to activate the light
  • Balanced throw and spill


  • Not much

Surefire X300U - 2nd Best Duty Light

This is the gold standard MIL-SPEC pistol weapon light for most pistols including the Glock, HK USP and others.

fn 57 light surefire x300u

Balanced Throw & Spill - Wide illumination like the TLR 1 to illuminate far away and also ID targets in low light. 

Slide Always In Battery - Extra light bezel length goes over the muzzle to prevent the slide from getting out of battery during close up contact shoot situations

Mounts Directly To The Rail - Slides on FN 57 rail. (X300U thumb screw model has better retention)

Very Durable - One unit construction battle proven

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Highly recommended - SUREFIRE DG SWITCHES for shooters that can't easily reach the toggle switch 


  • 1000 Lumens
  • 11300 Candela
  • 2 CR123A Batteries
  • 4.8 oz
  • 3.7 in
  • IPX7


  • Bright lumen intensity
  • Field grade durability
  • Balanced throw and spill


  • Activation switches are stiff to press sometimes

The TLR 7A is small and short on the FN FIVE SEVEN frame to minimize the front profile of the gun.

fn five seven light tlr 7a
streamlight tlr 7a beam pattern drone shot

See Further In The Dark! - Extend the range capability of the FN 57 in low light personal defense and range training

Great Illumination - Runs on only 1 CR123A battery (50,000 hours) that can produce up to 500 lumens & 5000 candela

Responsive Ambi Control - Works for lefties & righties just like all other lights

Strobe Mode Included - Constant On, Momentary & Strobe all built into one unit

Very Compact Profile - Faster to reholster and draw on the 57


  • 500 Lumens
  • 5000 Candela
  • 1 CR123A Batteries
  • 2.40 oz
  • 2.58 in
  • IPX7'

Check out TLR 7A review here


  • Bright lumen intensity
  • Strobe mode built in
  • Balanced throw and spill for CQB uses


  • Candela performance doesn't match up to a full size light

Olight PL Pro - Best Battery Life

The PL Pro's USB charging capability makes it very cost effective for high volume low light training without having to worry about buying batteries.

fn 57 light olight pl pro

High Lumen - Higher illumination output compared to ones we have recommended above

QD Lever Mount - Mount the light on the rail and lock it in place

Positive Control Switch - Activation control switch with positive feedback even when wearing gloves

Saves Money On Batteries - When the battery runs out, Just charge it via a USB cord

Check out Olight PL Pro review here


  • Bright lumen intensity
  • Strobe mode built in
  • USB Rechargeable battery


  • Strobe mode requires both buttons press