Best AR-15 Flashlights of 2020 – Complete Review

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Low-light situations in the dead of night or early morning can seriously hinder your AR-15 accuracy. Whether it’s for home defense against intruders or it’s being used on a camping trip, you need a clear picture of what you’re aiming at.

These AR-15 flashlights equip you for every lighting situation you could find yourself in.

Comparison of the Best AR-15 Flashlights

IMAGEPRODUCT
  • Made with a nice heavy-duty aluminum body
  • Very quick to install on a wide variety of rifles
  • Nice compact design for better portability
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  • Quick and easy to install on rifle
  • A compact but strong design to improve mobility
  • High-quality materials used with this strong foregrip
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  • Best for the Money
  • Comes with up to 600 lumens to easily light your environment
  • Made weatherproof to last much longer
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  • Best Tactical Flashlight For AR-15
  • Waterproof up to 1 meter to be more durable
  • Comes with up to 70 minutes of battery life included
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  • Best AR-15 Flashlight Laser Combo
  • LED designed to maximize output and battery life
  • Made from high grade aluminum to be durable
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When Would an AR-15 Flashlight Come In Handy?

This is where you define the primary use for your rifle and decide whether or not a flashlight comes in handy. These are the most common uses for an AR-15 and where you could find yourself needing a flashlight.

Home Defense

Intruders break in, and you’re left with limited visibility. You grab your AR-15 for defensive purposes, but you can’t see a thing—that’s when these lights come into play. With high lumens and ultra-bright output, you can light up any dark corner of your home and ensure that potential assailants or burglars have nowhere to hide.

Hunting

When you go hunting in the early morning, your visibility is cut down, but many preys (such as whitetail deer) have heightened visibility. Bright light helps you get to hunting spots such as tree stands without encountering hostile animals, and helping with low-lit areas covered by treetop canopies. If you’re venturing somewhere new for a hunting trip, this level of visibility will come in handy.

Tactical Use

You’re an enthusiast, and you own your fair share of guns and tactical gear. Whether you’re preparing for the end of the world, or you just enjoy using your AR-15 for target practice and bettering your reflexes with a gun, your flashlight can help you out in tactical situations. Visibility is everything, and in tactical circumstances, it’s the difference between success and mistakes.

What to Look for When Buying an AR-15 Flashlight

No two AR-15 flashlights are built the same, which is why you need to be able to spot defining factors and key features, then decide which ones matter the most to you.

Brightness

This is measured in lumens. The brighter your flashlight is, the more useful it’s going to be to you in every situation. Some flashlights have a simple on/off setting, while others have ways for you to adjust the brightness depending on your particular needs. Look for variable functions and total brightness levels.

Battery Life

The longer the battery lasts, the more useful your flashlight will be. The battery life of an AR-15 flashlight typically lasts about 90 to 120 minutes, depending on which brand you’re looking at. It’s difficult to imagine using an AR-15 flashlight for 90 straight minutes, so as long as it has enough battery life to fit your needs, you’re good to go. Keep in mind that lithium-ion batteries lose 20% energy retention after 500 charges.

Weight

Carry weight is important whether it’s tactical, survival, or hunting. You want lighter gear without sacrificing performance, so keep the weights in mind.

It’s a flashlight, so while you won’t find many of them that are technically heavy, these ounces will compound with other attachments on your AR-15.

Streamlight TLR-1 HL Flashlight

Review of the Best AR-15 Flashlights

We won’t leave you waiting: it’s time to look at the five best AR-15 flashlights, talk about what makes them tick, and why we decided to show them above all the others on the market.

You need to know every little detail before deciding on a purchase.

Best Overall:
Streamlight TLR-1 HL Rail-Mounted Tactical Flashlight

Pros

  • Long battery life of about 105 minutes
  • Anodized finish for extensive durability
  • LED bulbs are crystal clear and have a long life
  • Up to a staggering 1,000 lumens of brightness
  • 245 meter beam distance for long-range visibility

Cons

  • IPX-7 waterproofing is imperfect
  • The thick bezel surrounding light output is noticeable

What Recent Buyers Report

Recent buyers cite exceptional in-home use for self-defense and home security, as well as simple installation. Out of every benefit, many users say that the controls are particularly simple to use, which can help in low-light and survival situations.

Why it Stand Out to Us

The bezel looks like a camera lens, so initially, it doesn’t look like a light. The wide size allows for more light reflection from the LED source, and the 1,000 lumens are fantastic. Out of everything that stands out, this level of light power in such a small package makes the Streamlight TLR-1 a force to be reckoned with.

Bottom Line

Long battery life, insane 1,000-lumen output, and an anodized aluminum body for durability. You really can’t get any better than this, and it doesn’t even cost as much as many other AR-15 flashlights. This is an absolute steal with little to no caveats.

Runner-up:
Hawke Sport Optics Red Laser/LED Flashlight for Foregrips

Pros

  • Excellent foregrip traction
  • Super fast foregrip mounting system saves you time
  • Nice low weight (when you minus actual foregrip weight)
  • Generous 165-meter beam distance for long-range engagements and visibility

Cons

  • Low battery life of around 60-75 minutes
  • 5mW red laser output needs more strength

What Recent Buyers Report

Buyers reported seeing increased grip and traction with this new foregrip over their existing foregrips, essentially upgrading their AR-15 in two ways for the price of one. Durability and the rigidness of the construction are noticeable and appreciated by many, as well as the stellar 165-meter range.

Why it Stand Out to Us

It’s not often that you see foregrip and light combinations, and when you do, it’s not often that they improve the grip from the original. If this were just being sold as a foregrip, it would still be a benefit to put on your AR-15, so the way that Hawke Sport Optics found a way to combine these two and improve upon them is out of this world.

Bottom Line

The guided laser isn’t a selling point here because it’s not all-too powerful, but the foregrip itself is a major upgrade to most stock AR-15 foregrips. This has a middle-of-the-road price, a far range, and it’s out of the way, so you won’t have any of your FOV obstructed by a side-reading light.

Best for the Money:
Surefire G2X Pro Dual Output LED Flashlight

Pros

  • Soft white LED light for clarity
  • Tailcap click switch for ease of use
  • Exceptionally long battery life of 150+ minutes
  • Hard anodized aluminum exterior shouts high quality
  • Ranges from low-light 15-lumen output to 600 lumens

Cons

  • Included batteries are sub-par quality
  • Light color doesn’t mesh well with AR-15 aesthetics

What Recent Buyers Report

Most buyers talk about the low mode of saving tons of battery life and the high mode being enough to temporarily blind assailants like a tactical flashlight. This can easily be removed from your AR-15 and used as a standalone flashlight. Buyers appreciated the weight and extensive battery life regardless of which mode you use.

Why it Stand Out to Us

This initially didn’t stand out for a good reason (unattractive exterior), but then it surprised us with the high output of 600 lumens. Price is always a factor, and when we were trying to keep that in mind, this kept popping up. The Surefire G2X is one of the few exceptions to the “You get what you pay for” rule in terms of cost. You can save money and have a high output flashlight.

Bottom Line

The Surefire G2X saves you money, but the available colors don’t mesh well with most AR-15 models out there. 600 lumens in this price range is powerful, and along with being lightweight and having adjustable modes, it’s an excellent pick for handheld use as well as multiple gun mount use.

Best Tactical Flashlight for AR-15:
Crimson Trace CWL 102 Weapon Mounted Light

Pros

  • 500 lumen output
  • Rugged design is tough-as-nails to damage
  • Great for ultralight gun owners at 3.9 ounces
  • Rests low on the right to keep your sights free and clear
  • Designed to detach in an instant and be used handheld should the need arise

Cons

  • Battery life caps out at 70 minutes on a good day
  • Very low-grade waterproof rating, not good for drizzly days

What Recent Buyers Report

Plenty of buyers refer to the durable construction above all else, but also enjoy the lumen cap of 500 because it’s not too bright as to give away their position in tactical situations. While some users wish this came with a rechargeable lithium-ion battery, they understand that the housing size is a positive trade-off to keep their sights free and clear.

Why it Stand Out to Us

It hits all the marks you want, such as high lumen output, and is relatively compact, without draining your wallet. Knowing what we know about the optics industry, it makes you wonder if Crimson Trace is taking a huge loss on this flashlight as an entryway product or not. Either way, it saves your money while outperforming other flashlights in the same price range. Yes, they cut corners on the battery life, but you have to weigh that against your expected use to determine if that’s a viable excuse not to pick this up.

Bottom Line

It’s difficult to imagine using all 70 minutes of battery life, but it is possible. While being compact and relatively sturdy, it’s also insanely inexpensive, opening the door for AR-15 owners of all budgets.

Best AR-15 Flashlight Laser Combo:
SureFire M600 Scout Flashlight

Pros

  • Highly water-resistant
  • Fits guns beyond the AR-15
  • LED bulbs glow white for clarity
  • Tailcap switch is simple to operate
  • Anodized aluminum housing can take a beating

Cons

  • Low lumen output of just 200
  • Very long and pretty bulky design

What Recent Buyers Report

Buyers wouldn’t use this in open fields, but for in-home tactical use, it does the trick. Certain purchasers cited the specific size of the light, but that installation was simple, and the tail cap configuration was favorable.

Why it Stand Out to Us

It’s pretty big, but it concentrates the light in one specific area off the end of the barrel, so you’re getting more lux and fewer lumens. It’s an odd trade-off in this instance, but it gets the job done. It stood out for being odd while having similar features (anodized aluminum housing, etc.) to other flashlights, and then it stood out for the price. LED flashlights don’t usually hit this high of a price point, but if it fits your needs, it’s worth every penny.

Bottom Line

You don’t get a high lumen, high brightness output here, but you do get enough to handle indoor or short-range engagements. It’s bulky and may not be the best in an objective sense, but it’s built tough and won’t give out on you.

Types of AR-15 Flashlights

No two lighting methods are created equal. From LED to xenon, combination flashlights, and more, we have different options to choose from.

Xenon vs LED Flashlight

Both of these lights produce low levels of heat runoff, don’t take up much energy, and they’re both viable on an AR-15 flashlight. Xenon uses gas instead of a metal filament, while LEDs run electricity through semiconductors. Objectively speaking, you’re in good hands with both lighting methods.

Lux vs Lumens Flashlight

Lumens are the power going out, and lux is the brightness level on a surface or area when the light hits it. When a flashlight focuses on lumen output, it’s trying to make a certain amount of light escape the flashlight chassis, but a lux flashlight will have a more concentrated beam of light with the focus of producing more light on surfaces.

Hawke Sport Optics Red Laser/LED Flashlight Foregrip

Flashlight Laser Combo

Brightness is important, but we have to remember that in situations where we’re shining an AR-15 light and barrel towards someone, the goal is not to shoot. The goal is to intimidate first and only shoot when necessary. Laser dot precision produces a stream of red or green light from the flashlight to tell a target that your aim is dead center on them.

How To Mount a Flashlight On an AR-15

The most common way to successfully mount a flashlight on an AR-15 is with an accessory Picatinny rail. These attach to the narrow slots on the front of your AR-15 at the forearm. You can remove the forearm from your gun and mount an accessory Picatinny rail to it before reattaching it to your gun. This mount is great for flashlights but also comes in handy for other AR-15 accessories.

Conclusion

Five choices, each with different battery life, carry weight, upsides, and downsides. There are five on this list because they each offer something different, and while we can’t assume what metrics you value the most, you can apply these reviews to what you treasure in an AR-15 flashlight to make your final pick.

People Also Ask

We’ve done our best to cover everything you need to know about these top five flashlights and AR-15 lights in general. If you find yourself with a few unanswered questions, we have you covered. Here are a few other bits of food for thought when it comes to selecting an AR-15 flashlight.

Should I Put a Flashlight On My AR-15?

Will you be relying on your AR-15 when a home invader breaks in or when you’re protecting your family during a camping trip? It could come in handy even if you don’t necessarily need it right now for current uses. It’s better to be prepared than wishing you had an AR-15 flashlight at the moment.

How Many Lumens Does a Rifle Light Need?

You don’t want to go under about 200 lumens. Lumens are measures of brightness power, and in a situation that you would find yourself using an AR-15 flashlight, you want clear, perfect visibility of whatever you’re aiming at before you pull the trigger. Between 200 lumens and 500 lumens is the sweet spot.

Which Side Of Rifle To Mount Light?

You want to mount your light on the right side of your rifle. We don’t want a blinding flash of light directly down our line of sight or for the chassis of the flashlight to block our vision. These flashlights provide enough brightness and power that right-side mounting won’t negatively impact or impair your ability to aim an AR-15.