Streamlight TLR-7A: Specs, Output, Fitment, and Who It's For (2026)

The Streamlight TLR-7A is a compact weapon-mounted light (WML) designed for handguns. It produces 500 lumens of white light and is small enough to fit on compact and subcompact pistols without extending past the muzzle on most models.

This guide covers the TLR-7A's specifications, how it compares to similar lights, which pistols it fits, and who should consider it for concealed carry or duty use. Whether you're new to weapon lights or looking to upgrade from a smaller light, understanding the TLR-7A's capabilities and limitations will help you make an informed decision.

People often ask about the TLR-7A because it offers a good balance of output, size, and price. It's become a popular choice for those who want more light than the TLR-6 but don't need the higher output of larger lights like the TLR-1 HL.

What Is the Streamlight TLR-7A?

The TLR-7A is a compact weapon-mounted light from Streamlight, a well-known manufacturer of tactical lighting. The "A" designation refers to the ambidextrous switches, which replaced the original TLR-7's side-only switch design. This makes the light easier to operate for both right and left-handed shooters.

The TLR-7A is designed to be compact enough for concealed carry while providing enough light for target identification and engagement in low-light situations. It's one of the most popular compact weapon lights on the market due to its balance of features, size, and price.

The light uses a single CR123A battery and features multiple mounting keys to fit various pistol rail systems. It's commonly used on Glock 19, Sig P320, and other compact pistols popular for concealed carry. For comparison with other Streamlight options, see our TLR-7 HL-X vs TLR-7A guide.

Specs & Key Features

  • Output: 500 lumens
  • Beam Distance: 140 meters (claimed)
  • Runtime: 1.5 hours
  • Battery: 1x CR123A lithium battery
  • Weight: 2.4 ounces (with battery)
  • Length: 2.58 inches
  • Width: 1.26 inches
  • Height: 1.46 inches
  • Switch Type: Ambidextrous toggle switches
  • Mounting: Universal rail mount with multiple keys
  • Water Resistance: IPX7 (waterproof to 1m for 30 minutes)
  • MSRP: Approximately $140-160

How It Compares to Similar Options

TLR-7A vs TLR-6

The TLR-6 is a smaller, lower-output light (100 lumens) that's designed for subcompact pistols. The TLR-7A offers five times the output but is larger and may not fit smaller pistols. Choose the TLR-6 for maximum compactness; choose the TLR-7A for more light output.

TLR-7A vs TLR-1 HL

The TLR-1 HL produces 1,000 lumens (double the TLR-7A) but is significantly larger and extends past the muzzle on most compact pistols. The TLR-1 HL is better for full-size duty pistols, while the TLR-7A is better for concealed carry where size matters. For those considering the TLR-7A's higher-output sibling, see our TLR-7 HL-X vs TLR-7A comparison.

TLR-7A vs Olight PL-Mini 2

The Olight PL-Mini 2 offers similar output (600 lumens) and uses a rechargeable battery. The TLR-7A uses a replaceable CR123A battery, which some prefer for reliability and availability. Both are compact options, with the choice often coming down to battery preference and brand trust.

Fitment: Which Pistols It Works With

The TLR-7A uses Streamlight's universal rail mount system with interchangeable keys. It fits most pistols with a Picatinny or Glock-style rail. However, fitment can vary, and the light may extend past the muzzle on smaller pistols.

Common pistols the TLR-7A fits include:

  • Glock 19, 19X, 45 (fits flush or slightly past muzzle depending on model)
  • Glock 17, 34 (sits behind muzzle on longer slides)
  • Sig Sauer P320 Compact, Full Size
  • Sig Sauer P365 XL (fitment varies by P365 variant/rail type—verify before buying)
  • Smith & Wesson M&P 2.0 Compact
  • Springfield XD, XDM models
  • Many other compact and full-size pistols with rails

Note: Protrusion past the muzzle can occur on shorter/subcompact pistols depending on rail length and dust cover length. On longer-slide guns like the Glock 17 and 34, the light typically sits behind the muzzle.

Always verify fitment for your specific pistol model. Some pistols may require adapter keys or may not be compatible due to rail design differences.

Output & Performance

At 500 lumens, the TLR-7A provides enough light for target identification and engagement in most low-light situations. The beam is focused enough to reach out to reasonable distances while providing adequate spill for peripheral vision.

Runtime is approximately 1.5 hours, which is adequate for most defensive scenarios but may require battery replacement after extended use.

Pros & Cons

Pros

  • • Compact size fits flush on many compact pistols
  • • 500 lumens is adequate for most defensive scenarios
  • • Ambidextrous switches for left/right-hand use
  • • Good balance of output, size, and price
  • • Reliable brand reputation
  • • Easy to install and remove
  • • Multiple mounting keys included

Cons

  • • Lower output than full-size weapon lights
  • • May extend past muzzle on smaller pistols
  • • CR123A batteries can be expensive
  • • Not rechargeable (unlike some competitors)
  • • Limited runtime on high mode (1.5 hours)
  • • May not fit all pistol models

Common Misconceptions

"500 lumens isn't enough for self-defense"

500 lumens is adequate for most defensive scenarios. While higher-output lights exist, 500 lumens provides enough light to identify threats and engage targets at typical defensive distances. More lumens aren't always better, especially if they come with increased size and battery drain.

"The TLR-7A fits all pistols"

While the TLR-7A fits many pistols, it's not universal. Some pistols have rail designs that don't accommodate it, and it may extend past the muzzle on smaller models. Always verify fitment for your specific pistol before purchasing.

"You need a weapon light for concealed carry"

A weapon light is a tool, not a requirement. Many experienced carriers choose to use one, while others prefer a handheld light. The decision depends on your situation, training, and preferences. A weapon light is most valuable when you may need to use your firearm in low-light conditions.

Safety Considerations

Battery Maintenance

CR123A batteries have a long shelf life but should be checked regularly. Replace batteries annually or after extended use. Keep spare batteries available, especially if you rely on the light for defensive use.

Holster Compatibility

Adding a weapon light requires a compatible holster. Many holster manufacturers offer light-bearing options, but not all holsters accommodate lights. Ensure your holster is designed for your pistol with the TLR-7A attached before carrying.

Training with Weapon Lights

Using a weapon light requires specific techniques to avoid giving away your position or temporarily blinding yourself. Seek professional training on proper weapon light use, including activation methods, target identification, and low-light shooting techniques.

Mounting Security

Ensure the light is properly mounted and the mounting key is correctly installed. A loose light can affect reliability and safety. Check the mount regularly and follow Streamlight's installation instructions carefully.

Who Should (and Shouldn't) Choose It

Best For

  • • Concealed carriers who want a compact weapon light
  • • Those who want more output than the TLR-6
  • • Shooters who prefer replaceable batteries over rechargeable
  • • Those who want ambidextrous controls
  • • Budget-conscious buyers who want proven reliability

Consider Alternatives If

  • • You need maximum output (consider TLR-1 HL or similar)
  • • You prefer rechargeable batteries (consider Olight PL-Mini 2)
  • • You have a very small pistol that won't accommodate it
  • • You need extended runtime without battery changes
  • • Budget is extremely tight (consider used options or smaller lights)

Streamlight TLR-7A FAQ

Is the TLR-7A reliable?

Streamlight has a strong reputation for reliability, and the TLR-7A is widely used by law enforcement and civilian carriers. Many owners report years of trouble-free use with proper maintenance and battery care.

Will the TLR-7A fit my Glock 19?

Yes, the TLR-7A fits the Glock 19 and typically sits flush with or slightly past the muzzle depending on the specific model. It's one of the most popular light choices for the Glock 19 due to its compact size and good fitment.

How long do the batteries last?

Runtime is approximately 1.5 hours. Battery life depends on usage patterns, and you should replace batteries annually or after extended use even if they still work.

Can I use rechargeable CR123A batteries?

While rechargeable CR123A batteries exist, Streamlight recommends using high-quality lithium primary batteries for best performance and reliability. Rechargeable batteries may have different voltage characteristics that could affect performance.

What's the difference between TLR-7 and TLR-7A?

The TLR-7A features ambidextrous toggle switches, while the original TLR-7 had switches on one side only. The "A" designation refers to this ambidextrous improvement. Otherwise, the lights are very similar in specifications and performance.

Do I need a special holster for the TLR-7A?

Yes, you'll need a holster designed to accommodate your pistol with the TLR-7A attached. Many holster manufacturers offer light-bearing options. Ensure the holster is specifically designed for your pistol model with the TLR-7A, as fitment can vary.

Bottom Line

The Streamlight TLR-7A is an excellent compact weapon light that offers a good balance of output, size, and price. Its 500-lumen output is adequate for most defensive scenarios, and its compact size makes it ideal for concealed carry applications.

It's best for shooters who want more light than smaller options like the TLR-6 but don't need the higher output and larger size of full-size weapon lights. The ambidextrous switches make it user-friendly for both right and left-handed shooters.

If you prioritize maximum output or prefer rechargeable batteries, other options may be better. If you need a light that fits flush on very small pistols, the TLR-6 might be a better choice despite lower output.

As with any weapon-mounted light, proper training on low-light shooting techniques and weapon light use is essential for safe and effective deployment.