Franlin Armory G-S173 binary glock trigger
Dan Z. for TTAG
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Dan and I visited Franklin Armory at SHOT Show’s Range Day and put a few mags through the new G-S173 Binary Firing System installed in a few Gen3 GLOCK 17s.

Franlin Armory G-S173 binary glock trigger
The G-S173’s slide with selector switch – up for standard semi-auto, down for binary fire (Dan Z. for TTAG)

A selector switch on the side of the slide toggles the pistol between normal firing mode and binary firing mode, in which it fires both upon trigger pull and trigger release.

We fired a GLOCK as pictured as well as an SBR’d GLOCK with a shoulder stock.

Franlin Armory G-S173 binary glock trigger

And…It worked! Not gonna lie, I was nervous about how this would feel in a handgun and how it would function, and where the gun would be in its recoil cycle upon trigger release and firing of that second shot, etc.

Franklin has designed the G-S173 so that if you’re in binary mode and change your mind after a trigger pull (i.e., you don’t want a round to fire when you release the trigger), just flip the switch up to semi-auto and you can then release the trigger without firing another round.

Turns out the G-S173 was far more controllable and much more fun than I anticipated. That said, I’ve drilled myself into the habit of keeping the trigger pinned rearward through the recoil cycle. The G-S173 required you to fully release after each pull to fire the release round.

Dan and I were both able to run the gun, keeping it on a silhouette and firing rounds more rapidly than we would have been able to from a standard GLOCK 17 Gen3. There were smiles.

The only caveat, other than making sure to take extra safety precautions and using these triggers with a full knowledge of how they function, is that the trigger must cycle fully forwards for the fire-on-release shot to work. No riding the trigger to try for that really short reset distance. All the way rearward, all the way forward.

With that done, it was a barrel of fun.

 

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27 COMMENTS

  1. So the price includes the complete slide and a trigger kit. Please share with us. If that’s the case, the retail price is a bit easier to swallow, as the old slide can at least be sold to offset the purchase price.

    Were you able to fire on semi-auto only and if so, what was the trigger pull like, compared to a stock Glock trigger?

    Thanks

        • avatar Geoff "A day without an apparently brain-damaged mentally-ill demented troll is like a day of warm sunshine" PR

          There’s a much bigger problem with having that on an open-carry Glock, that selector switch looks nearly like the semi or full-auto switch on the G-18, sold only to government and LEO.

          So watch some cop flip the fuck out if he sees that on an average Joe :

  2. I had a binary g17 when I swapped in a lighter connector and lone wolf adjustable trigger housing.for some reason it didn’t play well together on that particular gun. The same connector on a different Glock worked fine. It was fun though.

  3. Binary triggers: not allowed at either the outdoor or indoor ranges at which i shoot. Well, you can have one, but ‘binary’ must be switched to ‘off’. Range officers will come looking for you if they hear it.

    • Oh no! I fired to controlled shots which landed on target! How dare I!! I hate range officers or at least 90% of them. I get there are people out there who put the holes in the ceiling at the range but don’t treat everyone at the range like those individuals.

  4. is it odd that i read this after having seen it mentioned in an older thread?
    this seems like fun.
    it would be perfect for one of those integrally suppressed .22’s.

    • avatar Geoff "A day without an apparently brain-damaged mentally-ill demented troll is like a day of warm sunshine" PR

      “…how long before a federal agency declares binary triggers to be “machine guns”?”

      Florida has made them and anything else that “can increase the rate of fire” to be a felony in the not-great state of Florida… 🙁

  5. I’m still trying to grasp why some folks feel the uncontrollable urge to tweak the nose of certain alphabet Federal agencies, comprised of people with IBS and no sense of humor, by coming up with devices to skirt the fringe areas of the definition of ‘machine gun.’ It’s a high stakes game, with fantastic fines and long prison terms as prizes, and seems like as much fun as crawling into a dark, narrow cave in late spring to see if there’s a bear asleep in it, armed only with a pointed stick.
    Ah, well.

    • Oh, c’mon, who doesn’t need some cheap rubber shoes with holes in the top and no heels that slide off your foot at random unless you put a rubber strap behind your heel that wears a hole in your ankle, shoes that only an effete metrosexual Yuroppean could love?!

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