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SOFIC – Geissele High Speed Selector for M4/M16

The Marine Corps conducted a study which showed that full auto fire is more effective than semi auto fire when engaging moving targets. However, the weapon had to already be set to full auto. Otherwise, the time it took to rotate the selector switch into position would result in a missed target. They asked Geissele Automatics to take a look at the issue and they came up with the High Speed Selector.

You can think of it as a spring loaded selector with a quarter throw. When you depress it, the rifle transitions from semi to full auto and when you let up, it transitions back to semi auto fire. It’s kind of like hitting the nitrous button on a hot rod.

www.geissele.com

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25 Responses to “SOFIC – Geissele High Speed Selector for M4/M16”

  1. reader says:

    Waiting for a video to see how this thing works

  2. Patrick Shamsuddoha says:

    the idea is really interesting but come on Billy G that is one ugly lever

    • charlie says:

      They were probably asked to come up with a retrofit kit as opposed to a new lower receiver. A new receiver would be prettier, but more expensive.

  3. Rob says:

    Reminds me of the launch lever on the SMAW.

  4. Kemp says:

    That’s… interesting. Both the study and the selector

  5. Gerard says:

    Another day another invention from Bill Geissele

    • James says:

      It’s a first AFAIK for an AR, but there was a submachine gun in the 40s/50s that used a similar idea. Semi without the selector depressed, full when you held it down. Gonna go hunt it down on FORGOTTEN WEAPONS. DAMNIT? IAN!

  6. Rodney says:

    Geissele Lower!?!

    • Jackson says:

      As stated by Geissele what seams like daily, Geissele lowers only exist for demo guns as well as the few that have been given away at SHOT.

  7. N Brattain says:

    Fantastic idea. Yet again, Geissele delivers.

  8. Joe says:

    Or they can just practice on moving targets instead of static pop ups.

    They have those robot segway targets now.

    This will be totally moot once smart optics like tracking point become standard. Big weight savings too if each shot is nearly guaranteed to hit its mark. Better solution than just throw more lead.

    • Adrian says:

      Tracking point is for long range targets and I still am skeptical that it can compensate for moving targets.

      This is probably more for close in targets, I would think 100 meters and in.

      • Joe says:

        The technology is proven in fighter jets and tanks for the past 30 years and they move plenty fast. Image recognition is just now being able to spot and track humans in real time. Just look at self driving cars snd pedestrians. Give it 10 years and it’ll be a 800 scope that only needs to see a head and 1 arm to track.

    • J says:

      The military can barely pay for training on static ranges so don’t see them trying to buy a moving target that cost in the 10’s of thousand of dollars, never mind having to retrofit or build new ranges that you can use them on.

  9. Jason says:

    That’s pretty dang slick, well done team Geissele

  10. TKS says:

    This makes too much sense. Agree with practice on moving targets. But, having a “turbo” mode that defaults to semi is a step ahead in infantry tactics.

  11. Disco says:

    This will make life SO. MUCH. EASIER!!!!

  12. AJ says:

    The study’s result only proves there is a lack of training in the Marine Corps when it comes to moving targets.

    • J says:

      If it was only that easy, its much more difficult in real life than with anything you see in the movies or during training.

  13. TC says:

    i dont get it, if the study said “the time it took to rotate the selector switch into position would result in a missed target.” how does this help if you still have to rotate the selector?

    • SSD says:

      It’s already on semi and you don’t rotate as far. You just push down with your thumb on the selector and it goes an 1/8th turn. Let go and its back on semi.

      • JKifer says:

        Oooook… I get it now… simplified version for us grunts.. but I still don’t get auto being better for hitting moving targets..? ive always found quickly fired single shot strings with the proper fundamentals to be far superior to auto.. except belt fed..love me some belt fed..

      • JKifer says:

        oh and by the way SSD, I grabbed two of those nifty bolt catches (pictured) and already put a few hundred rounds through them.. awesome upgrade! highly recommend.