Franklin Armory’s Binary Firing System puts that safety selector third position to use. “Safe” and “fire” remain as usual, but moving the selector to what’s traditionally the “full-auto” position means the BFS fires once on the trigger pull and again on its release. It has been available for ARs for about a year, and now Franklin Armory is expanding to the HK 91/93/MP5 platforms. Press release follows . . .

Franklin Armory™ is proud to announce we will start taking pre-orders for the BFSIII™ for HK.  Pre-Orders will start at on Apr 28, 2017 8:00am (PT).  You will be able to order online or at the NRA show in person.  The Trigger is estimated to start shipping the last week of July.  So hold your spot inline and Pre-Order on Apr 28, 2017 8:00am (PT)!

The BFSIII™ for HK is a 3-Position Trigger. In position 3 it will fire 1 round on Pull and 1 round on Release. This makes it the fastest semi-automatic trigger on the market. The BFSIII™ is ideal for Tactical and Competition use. The BFSIII™ provides greatly reduced split times between rounds and the ability to place two separate shots into a tighter group.

*  A trigger pull around 4.5 pounds.
*  Ambidextrous Safety Selector.
*  Safety Selector will fit in two and three position trigger housings.
*  Will not work with Ambiidextrous Housings
*  Trigger housing, ejector, ejector pin and ejector spring are not included.
*  Will fit most HK 91, 93, & MP5 variants and clones
*  Some firearms may require additional fitting
*  MSRP $699.99

Pre-Order and Save 10% -BFSIII™ for the HK 

Jesus f**k $700? Yowza. My wallet hurts almost as much as the ceiling baffles at the indoor range where I saw one of these triggers in use. I could see the BFS being fun, but beyond that am probably better off holding my tongue.

FYI the BFS is not legal in CA, DC, IA, ND, NJ, NY, or WA. In WA, for example, the law states that firing more than one round per cycle of the trigger means it’s a machine gun. Double check before you binary fire.

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25 COMMENTS

    • You’re getting your terminology all wrong. It’s not “a steep price”, it is “appropriately priced for HK” ….. which is roughly defined as: way over priced, proprietary, unnecessary, and over complicated.

  5. If you pull the trigger 5 times, you must release it 5 times, so 10 bullets will have been fired. That’s 2 bullets per trigger pull, right? I’d be careful about pruchasing one of these for fear that the ATF, although I heard they’re OK with it right now, could classify it as a machine gun in the future. We need Congress to specifically omit this from the NFA statutes…

    • This is America…we don’t need laws to grant us permission to do things. “Machine gun” is well defined in the law, and federally and in most states the BFS doesn’t meet the definition. It is, therefore, legal. Nothing is needed to say that it’s okay. It’s specifically omitted already by not being specifically illegal.

    • That’s right They said solvent traps are legal to own as long as they weren’t converted to actually working suppressors without a class 3 application stamp. That is until they ‘revisited’ the ‘construction’ clauses in their arbitrary and capricious agenda based Administrative Fiat ‘laws’, and now two legitimate businesses–S.D. Tactical, and Solventtrap tactical in FLA have been seized and shut down and more, no doubt, to come…
      until Trump, hopefully, as my Congresswoman implied to me in confidence at a fundraiser, Trump dissolves the agency or at least puts a stop to this bad Nazi habit of theirs.

    • We need Congress to strike down the NFA statutes…
      There – fixed.
      Not holding my breath though.

  6. The bigger question is, what if I change my mind and only wanted to fire ONE round when in double-fire mode? How do you stop it from completing the second firing? Do you have to keep the trigger pressed down while switching the giggle switch to safe or single-fire?

    • “How do you stop it from completing the second firing?”

      Either way, that’s just not a safe way to have to deal with it.

      The only somewhat-safe way to do it would be at a range, where the ‘unwanted’ round could be safely discharged into a backstop.

      The sad thing is, I know some folks ’round here that will probably buy the damn thing.

      (You guessed it – A bump-fire mentality…)

      • Are seriously firing so slow in binary mode that you are worried about the second shot? If you pull the trigger and are holding onto it and then it becomes unsafe to fire downrange in a matter of seconds maybe you need to reevaluate where you are shooting! If you are slow firing just leave it in “semi” mode. I don’t understand why this is a issue with people.

        Also, I own about $100,000 worth in transferable machineguns… I would love if the NFA was repealed even though it would seriously hurt the value of my small collection. I still like products like this because it keeps the wear and tear down on my real guns. Keep them coming!

    • on the ar versions you just flip the selector to single or safe, and it negates the fire on release

    • Craig, I believe you’re correct. Switching the selector from binary position back down to semi means you can release the trigger without firing another round. I certainly think you’re better off planning to fire two if you’re using that third mode, though.

      • Exactly the opposite here. Bump fire stocks make no sense to me at all, this does. I just wish it was cheaper.

      • As others have said. If you pull the trigger but don’t want to fire a round on the release, just switch to semi-auto or safe.

        The Franklin Armory trigger allows you to cancel your release-shot.

  7. Tavor! Tavor! Tavor! Tavor! Tavor! Tavor! PLEEEEEEEEEEAAAAAAAAAAASE make one for the Tavor!

    But, y’know, much cheaper than this one, of course.

    *edit* Oops, just remembered the safety on the Tavor is on the trigger bow instead of the trigger pack. Hmm, never mind, I guess.

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