We have narrowed down the 3 best weapon lights for STI Staccato pistols that we liked based on beam performance, control ergonomics, durability and conceal carry. 

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Streamlight TLR 1 HL - Best For Duty Use

sti staccato steamlight tlr 1 hl

Why Buy The TLR 1 HL - The TLR 1 HL 's control ergonomics works very well on a STI 2011 pistol frame. In addition, the illumination performance is top notch for home defense and professional duty use. 

Tight Beam & Throw - Want to see things in the dark from far away without a dimmed light? The 1000 lumen focused hot spot + 20K candela rating help you see as far as 220 ft with plenty of brightness and details in the dark. 

Easy Toggle Switch - Smooth as butter control switches for two-hand or one-hand operation without the need to hard press to activate the light

Simple Strobe Mode- Double tap for strobe. No mode switching or complicated button combo press!

Replaceable Lens Bezel - Replace damaged front lens without having to replace the whole unit to saves money and do force on force training with a peace of mind

Features:

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

Surefire X300U - Best Durability 

sti staccato surefire x300u

Why we picked the X300U - Superior quality and durability for anyone looking for a high premium quality pistol weapon light for the STI Staccato for duty use or as a range eye candy

Wide Low Light Situational Awareness - Beam covers from 9 o'clock to 3 o'clock in low light, so you won't miss a thing in the dark with the TIR lens 

surefire x300u light beam top down

Slide Always In Battery - Light bezel sticks out pass the muzzle for STI Staccto P and C models to prevent the slide from getting out of battery when the muzzle is pressed against the target.

NOTE: If you want strobe mode, go check out the XH30

Features:

  • 1000 Lumens
  • 11300 Candela
  • TIR Lens - Super Wide
  • 2 CR123A Batteries
  • 4.8 oz
  • 3.7 in
  • IPX7

Also Try Enlarged PLHster ARC Switches For Better One Hand Index Finger Reach

Streamlight TLR 7A - Best For Compact Carry

sti staccato c streamlight tlr 7a

Why Use TLR 7A - The Streamlight TLR7 A is the best compact size handgun light for mid size STI 2011 handguns like the Staccato P, and C2 models. 

Upgraded Control - Added ambidextrous control from both sides, and the user can easily activate the light simply by pushing the button.

For Conceal Carry - Fits very well with STI Staccato P and C2 models just like a regular compact 1911.

streamlight tlr 7A beam top down

Bright Compact Light - See as far as 150 ft with enough brightness to positive ID targets in the dark. It produces up to 500 lumens & 5000 candela on just 1 CR123A battery

Wide Low Light Situational Awareness - Illuminate as far as 150 degrees from your 9 to 3 o'clock for indoor applications without compromising throw performance down range.