Hands On Like Your Mom | The Streamlight ProTac Rail Mount 2

streamlight protac rail mount 1 vs 2
May 2, 2016  
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Categories: Assorted Ramblings

This is the first post of our Illumination Rumination Week. Each day we’ll be publishing a hands-on no-bullshit review of a different illumination device. We’re kicking it off with the brand new dedicated rifle light from Streamlight: The ProTac Rail Mount 2. Read up. Mad Duo

 

The Streamlight ProTac Rail Mount 2

Streamlight pistol lights are probably the most commonly used weapon mounted light in American law enforcement. Realistically speaking, I don’t think most would put the Streamlights into the ‘A+++’ category, but they’re usually adequate and hold a decent value/performance rating. But something Streamlight has been missing from the lineup is a dedicated rifle light or two. Sure, people have been mounting TLR-1’s to rifles since they were first introduced and others have been rigging up handhelds in various manners. Still, it’s not quite as good as having something literally made to do it.

Streamlight heard the complaints. So they released the ProTac Rail Mount series, and it has a very clear target in its sights: The Surefire Scout Light.

Streamlight mounted with a zip-tie.

Two ProTac Rail Mount Models

There are currently two models of Streamlight ProTac Rail Mount lights: The Rail Mount 1 and the Rail Mount 2. The Rail Mount 1 is the smaller of the pair and can accept either (1) AA battery or (1) CR-123 battery. They call it ‘dual fuel’ and no doubt you’ll always be able to find a battery for it. Unfortunately, the output corresponds with its diminutive size, giving you only 150 lumens with a single AA battery and 350 lumens with a CR-123.  The Rail Mount 2, the subject of this piece, runs on (2) CR-123’s and pumps out 625 lumens. Much more my style.

Cracking open the package you’ll find everything you need to get started:

streamlight ProTac rail mount 2 contents

-Flashlight Body with Head and Picatinny mount

-Push Button tailcap

-Remote Switch tailcap

-Double-sided adhesive for remote switch

-Remote switch Picatinny mount

-Hex Wrench

-(2) CR-123A Batteries

-(4) Zip ties: Two long ones for remote management, and two short ones for cable management.

-(2) Small screws, presumably for attaching the remote switch to a wooden handguard or something–your guess is as good as mine.

Just add a rifle and you’ll be good to go.

Size-wise you’re looking at something slightly longer than an M600 Surefire Scout light, but not enough to make much of a difference.

The Streamlight ProTac Rail Mount 2 is slightly longer than the M600 Surefire Scout.

Streamlight ProTac Rail Mount 2 Anatomy

Let’s just roll down the parts and talk.

Body

The ProTac Rail Mount 2, like many things these days, is made in China. That being said, it doesn’t have that “China feel” to it; the finish is deep and even, and nothing appears to be cheap. While the head cannot be completely removed from the body (I suspect it’s held in place with a thread locker of some variety), the lens and reflector can be detached to expose the raw emitter. As an aside, without the lens and reflector, you get pure diffused light upon activation. There’s an O-ring on the body for weather sealing and there doesn’t appear to be a way to remove the LED emitter itself.

Streamlight ProTac Rail Mount 2, disassembled.

The ProTac Rail Mount 2 comes with an integral Picatinny mount, and as luck [*ahem*] would have it, it’s also 100% compatible with Surefire Scout mounts. If you already have a favorite, you can run it. It should be noted that while the ProTac Rail Mount 2 certainly fits on Arisaka Scout mounts, the head and tailcap themselves are different than a Surefire Scout so you can’t run the excellent Arisaka low-profile bodies.

Push Button Tailcap

The push-button tailcap can activate the light either with a soft push for momentary-on, or a full click for constant-on. The button is nicely recessed to help prevent white light NDs. There is a decent amount of knurling for swapping or removal, and a bright red O-ring for weather sealing.

Remote Switch Tailcap

In lieu of a separate tailcap and remote switch ala’ current Surefire lights, Streamlight opted for a tailcap with an integral remote switch. This means that routing cables may be more of a pain in the ass, and if you want to swap batteries while the tape and light are mounted things can get a bit twisty. To prevent broken wires, Streamlight took the extra step of adding a little perpendicular routing channel into the tailcap itself if you have to mount the light at an off-angle. The integral cable is ~7″ long.

Streamlight ProTac Rail Mount 2 - remote switch tailcap.

Like the excellent Surefire SR-0[x] series of switches (which are the only remote switches I’ve come to trust), there are two buttons on this remote activator. The long rectangular pad is for momentary-on, and the button is for constant-on. When the light is switched to constant-on, the momentary pad is deactivated. One can also use the constant-on as a momentary switch exactly in the same manner as with the push button tailcap. The momentary pad is a soft rubber that unfortunately attracted all the dust and dog hair in the house immediately upon unpacking.

Mounting

Unlike the Surefire SR-0[x] series of switches, the ProTac Rail Mount 2 remote switch does not have an integral mount. Instead, Streamlight chose a more modular approach. You can use the included rail grabbers, the adhesive tape, or zip ties. When mounted on the top rail, which is my preference due to the ease of ambidextrous use, it’s pretty low.

Streamlight ProTac Rail Mount 2 switch profile.

There are two slots specifically molded for extra fastening with the included zip-ties, which I definitely recommend you utilize. There is a little front/back play without them.

But — those holes in the switch. Those holes on the switch happen to line up exactly with a Centurion CMR rail system. But there’s a problem: the holes have too small of a diameter to accept the appropriate screws for a CMR compatible rail.

So of course, I reamed them out. Normally I’d have some trepidation about performing this action. After all, there are obviously wires and whatnot inside. Someone had to do it though. I used a hand reamer and I was careful. And after grabbing some random screws……?

The Streamlight ProTac Rail Mount 2 direct mounted to a Centurion CMR-compatible rail.

Fits. Direct mount to a Centurion CMR compatible rail. But I didn’t stop there.

Add some KeyMod hardware?

Streamlight ProTac Rail Mount 2 with KeyMod hardware.

Fits. (I used oversized machine screws I found in the shop because the standard screws were a tad short).

M-LOK? Easy Peazy.

Streamlight ProTac Rail Mount 2 direct mounted to M-LOK.

While Streamlight doesn’t advertise this, nor as far as I know advocate this, it can be done. No, you don’t have recoil lugs or locking pieces, but provided you have the spare hardware, you can direct-attach the ProTac Rail Mount to CMR, KeyMod, and M-LOK with some minor modifications.

How about you make the holes a tad larger in the next version, Streamlight?

ProTac Rail Mount 2 - mounted.

Streamlight ProTac Rail Mount 2 Functionality

Programming

It’s usually a good thing when a company gives people what they want. Unfortunately, some people are stupid so you end up with things like a strobe function. Thankfully, it’s very easy to disable. The new Streamlight dedicated rifle options have ‘TEN-TAP’ programming which allows you to easily switch modes. Starting with the light off, you activate the light nine times in quick succession, and then hold it down on the tenth. The light will switch to the new mode, and then shut itself off. All in all, it’s not a terrible method, and it’s pretty hard to switch modes accidentally.

The three modes are:

-High/Strobe

-Low/High

-High/High

To activate the secondary function, you simply press the switch twice in quick succession. Frankly, I haven’t practiced this at all because as far as I’m concerned, the ProTac Rail Mount 2 only has one mode: High/High. Also, it’s worth a mention that the flashlight is smart enough to remember the last mode you used, even if you’ve removed the batteries. As previously mentioned, the ‘High’ with the ProTac Rail Mount 2 is 625 lumens. The ‘Low’, giving me flashbacks to the best weapon lights of 2002, is 60 lumens.

‘High’ run time is listed as 1.5 hours of regulated output and 2 hours until 10% output.

‘Low’ run time is listed as 18 hours of regulated output and 21 hours until 10% output.

Beam Shots

High Setting. Good hotspot and pronounced corona. Streamlight says it’ll throw to 297m (weird number, I know).

Streamlight ProTac Rail Mount 2 - beamshot on high setting.

Low setting. Give it a good look, because this is the only time it’ll be there.

Streamlight ProTac Rail Mount 2 beam shot - low setting.

Animated gif image of the two:

ProTac Rail Mount 2 animated gif of low vs high beam shot settings.

An X300U-A for comparison purposes:

Beamshot - Surefire x300U-A.

Conclusions, Concerns, and the Future

My favorite feature on this WML is also my greatest concern. Namely: the remote switch. I like the conscientious care that Streamlight put into designing it, but even trusting one tape switch (the Surefire SR-0[x]) took a long time. We will see how it’s all holding up in the months (years?) to come.

And the street price? $120 for the Rail Mount 2 with everything you’ve seen here, and only $110 for the Rail Mount 1. There are light mounts out there with higher price points.

So long as it holds up into the future, the Streamlight ProTac Rail Mount 2 hits way, way above its weight class. With cautious optimism combined with a limited lifetime warranty (which I no doubt violated by mucking with the switch)–I will move forward and get more.

 

Read everything we’ve written about Streamlight.

 

Dave Merrill

Dave Merrill

About the Author

About the Author: A combat veteran of the United States Marine Corps, Dave "Mad Duo Merrill" is a former urban warfare and foreign weapons instructor for Coalition fighting men. An occasional competitive shooter, he has a strange Kalashnikov fetish the rest of the minions try to ignore. Merrill, who has superb taste in hats, has been published in a number of places, the most awesome of which is, of course, here at Breach-Bang-Clear. He loves tacos, is kind of a dick and married way, way above his pay grade. You can contact him at Merrill(at)BreachBangClear.com and follow him on Instagram here (@dave_fm).

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