Franklin Armory’s G-S173 Binary Trigger and Slide for GLOCK 17 Gen3 Pistols is Go

By
Dan Zimmerman
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Last year Jeremy and I got to shoot a prototype of Franklin’s G-S173 binary trigger for the GLOCK 17. A good time was had by all. It worked and worked well.

It’s been a long time since that January, 2022 range day and in the mean time, Franklin Armory’s been working on the G-S173 and perfecting it. Now, it’s ready for prime time.

Franklin Armory’s put a lot of work into refining the G-S173 since we shot that prototype.

One very good addition is the rear plate indicator that lets you look down at your G-S173-equipped GLOCK 17 Gen3 and easily determine if it’s in regular single fire or binary mode.

They’ve made the slide optic ready and equipped it with tritium sights, front and rear. We just need to get our hands on a G17 Gen3 lower to give this one a try and a full review. Until then, here’s Franklin Armory’s press release . . .

Franklin Armory, Inc., one of America’s most innovative manufacturers of firearms, parts, and accessories has begun shipping its first Binary trigger for a striker fired handgun, the G-S173 for the Glock 17 Gen 3. Engineered with Franklin Armory’s patented Binary Firing System (BFSTM), G-S173 is the first pull-and-release trigger to provide Glock 17 users with the ability to actively select between regular semiautomatic and Binary® modes and safely cancel the release round.

G-S173 features include:

      • Binary/Semiautomatic selector paddle
      • Front and rear tritium night sights
      • Optics ready to accommodate multiple adapter plates (sold separately)
      • Semi/Binary mode indicator on back plate
      • High-tactile front and rear slide serrations
      • Anti-glare slide top stripe serrations

More information about G-S173 can be found in the video: “Franklin Armory Introduces The New G- S173 Binary Trigger for Glock 17 Gen 3.”

In Binary mode, a single round is fired when the trigger is pulled and a single round is fired when the trigger is released. One of the revered safety features incorporated into all Franklin Armory BFSTM triggers is the ability to cancel the release round. To cancel the release round on G-S173, simply move the selector lever located on the slide from Binary® to the “semi” position before releasing the trigger.

Additional information about how Franklin Armory’s BFSTM works can be viewed in the video: “Why Binary is Better.”

MSRP for Franklin Armory’s G-S173 Binary trigger and slide is $899.99.

For more information about G-S173 and other innovative Franklin Armory products, visit FranklinArmory.com and follow the organization on Facebook, Instagram, Twitter and YouTube. To inquire about testing and evaluation for G-S173, please email [email protected].

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40 COMMENTS

        • @Safe

          I spekulate that the trigger reset time on a factory glock is shorter than recoil recovery time with a full-power 10mm load.

        • xzx yeah wouldn’t be figuring to use Sig and above loaded 10mm right away but see how it runs under controlled conditions as it sounds fun.

        • If they get around to making one and I can try it out I will let you know……..wonder if a roni would be useful for out of state testing.

    • I wouldn’t think you’d want the switch turned on if carrying. It’s more of a range-toy, middle finger to the ATF sorta thing than a practical upgrade.

      • “It’s more of a range-toy, middle finger to the ATF sorta thing than a practical upgrade.”

        Yeah, it must be nice to have an ammo budget big enough for that nearly thousand-dollar range toy.

        Oh, and it’s currently a felony to possesses in Florida… 🙁

      • 900 bucks, you could buy another pistol and blamblam with both hands.
        Add a tail for reloading the empty gunm and you’ve got a continuous rate of fire that would scare the fur off a beaver

  3. G17 Gen 3 is rather specific. I wonder why the 17 instead of the 19 and why Gen 3 only. I’m sure there are reasons.

    If this becomes available for a G23 Gen 4, somebody let me know.

    Although, I am not sure I’d want it for my carry gun, as it adds complexity, and more to think about. The second round is cancellable – if you remember to do it and don’t fumble with the controls as adrenaline leaks out of your ears.

    • I have the 19. Maybe the little extra length and weight of the 17 helps to control the recoil and muzzle climb? I would not think that 9mm would be much of an issue but then I’ve never used a binary trigger.

      • I believe that’s exactly why. The 17 behaves differently than the 19, which both behave differently than the 26. And of course the 34 would be different from all of them as well. I may or may not have any or all of these models in my collection, which may or may not be a figment of my imagination and not exist at all.

        (looks out front window, waves to Agent Gunther sitting in the black box van across the street)

        • HAZ.
          ATF still tries to check up on me a couple times a year even though I allowed my license to expire and no longer have full auto weapons in the collection. Something about the cannon out in the shed. Although they always ask, I don’t allow them in the house. Shed is just that, a 3 sided shed with the big guns and carriages are covered with light tarps to keep the bird poop.
          What ever I may or may not have is none of their business. If they believe I have anything illegal, get a warrant.

  4. I wonder if it’s possible for FA (or someone else) to come up with just a back plate selector that would work with their trigger instead of a whole dedicated slide assembly?

  5. Hmm, useless as teats on a bullfrog, especially on a gun with actual recoil, possibly dangerous, 900$ (400$ more than the gun) – y’all have fun!

    I know you will.

    But I just betcha a 1911 w/ 45 gi ball (or 9mm ball) will cycle faster and more accurately.

    • Man grabs a single-shot 12 ga, puts 2 rounds of buck in his pocket, says he going for a walk. Someone is sure to say “What, you afraid you gonna miss?”

      “I might see two.”

      Ah. the good old days…

  7. Binary triggers don’t really interest me to begin with, but most certainly not at all in a $899.99 ‘slide package’.

    • Maybe the AR variant or a pcc. Completely moot for me since I don’t have anything that it would work in.

  10. Binary triggers make sense on a rifle, an SBR, or a pistol with a stock (which is legally an SBR). On a pistol without a stock, they make no sense, unless you’re planning on doing a drive-by shooting or committing terrorist attacks, when you don’t care if you miss and hit innocent people.

    In a defensive situation, even if the first round hits the bad guy, when you release the trigger while the barrel is still elevated from recoil, the second round goes up in the air and kills an innocent person half a mile away.
    If you wait to until the gun has recovered from recoil before releasing the trigger, then you’re purposely slowing your rate of fire down to the exact same rate it would be if you didn’t have a binary trigger — after wasting $900 on a binary trigger.
    A fool and his money are soon parted.

    • Longer barrel possibly with a compensator would largely negate that issue……….not that it is an option for our states (actually not sure with NJ)

    • “On a pistol without a stock, they make no sense, unless you’re planning on doing a drive-by shooting or committing terrorist attacks, when you don’t care if you miss and hit innocent people.” That is a tad strong. Not everything has to be strictly for super tactical missions. Maybe some people like wasting ammo faster? I’m not gonna get one of these, but I do enjoy the AR models I have and have yet to commit any mass shootings or terroristic acts with them.

    • Did your system for ammo checks go down this weekend? Apparently more than a few areas throughout the state froze up. Oh and talisman or not I do notice I do better with precision shooting with them so still like them.

  12. AWESOME !!! I’m wondering if this will work in .40 caliber, or if not I’m hoping one is coming for the model 22 & 23.

  13. Binary makes sense in a rifle to a point. Don’t see the practicality of using such in a hand gun.
    Might make a fun range toy, but I already have plenty of safe queens and range toys. Would rather spend the money on ammo.

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