SIG 556 + SIG 556R + Galil Mags = SIGalil

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Some people want something different. Some people don’t worry about the should I? and only care about the can I?. One of those people – who blogs by the name “The Hebrew Hammer” – created the SIGalil, the product of two happy coincidences. The first? A SIG 556R lower fits with a SIG 556 upper, complete with proper magazine presentation and everything. The second? Galil 5.56mm magazines fit into AK-47 magwells. The result is a kludge that doesn’t look like a kludge – no, it looks like it came from the factory that way!

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The SIGalil. If you have a SIG 556 upper, a SIG556R lower, and a Galil magazine, you too can be the proud owner of a familiar-but-unique 5.56mm rifle.

 

One would imagine the SIGalil would have some problems in functioning – kludges usually do – but that’s not necessarily the case. The SIG 556 and 556R are closely related, as are the AK-47 and Galil pattern magazines. So, the combination may not be any more “out there” than an AK from one country feeding from magazines made in another country.

The combination raises the question, however: “Why modify your rifle to a non-standard configuration just so it can use heavier and less common Galil magazines?”

The answer is obvious: To be different.



Nathaniel F

Nathaniel is a history enthusiast and firearms hobbyist whose primary interest lies in military small arms technological developments beginning with the smokeless powder era. In addition to contributing to The Firearm Blog, he runs 196,800 Revolutions Per Minute, a blog devoted to modern small arms design and theory. He can be reached via email at nathaniel.f@staff.thefirearmblog.com.


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  • Sianmink

    Hipstergalil.
    Seriously though that’s kind of neat.

    • I wish I could take full credit for this blog post, but I did read about that trick somewhere on the interwebs a few years ago. I was surprised as hell when the rifle was stripping the rounds off the mag properly. Kind of like a 551 that doesn’t take absurdly expensive mags.

      FWIW, it also appears to work in reverse – 556R upper using a 556 lower.

  • Jack

    OPTIONS!!!!!

  • Plumbiphilious

    Such beautiful madness in the mind that decided that all these parts would be good to put together.

    Now we need a range report.

  • snmp

    Modding HK G36 mag & Berretta AR70/223 work in SIG SG55X

  • USMC03Vet

    I wish my XD took Uzi pro mags. Just sayin’

  • Trey

    So now the question is. Can you take the Sig 556 lower, mate it with a SIg 556r upper, and use AR15 7.62×39 mags?

    • So, I did try that, too, and it does seem to feed. I don’t have any 7.62×39 AR mags, so I couldn’t do a real test beyond stuffing a couple rounds of 7.62×39 in a normal AR mag.

  • DUMBSHITGOESINTHETRASH

    THATS FUNNY BECAUSE I THOUGHT THE POINT OF OWNING A DEFENSIVE SEMI AUTO RIFLE WAS TO HAVE A GUN THAT WOULD BE COMPATIBLE WITH THE MOST COMMON 5.56 MAGAZINE KNOWN TO THE UNIVERSE HAHAHAH HOW DUMB CAN I BE RIGHT? THIS IS IN CAPS BUT DON’T WORRY IT’S NOT IMPLYING SARCASM.

    • Even in the blog post, I note that this is probably not super useful in real life. In fact, I’m in the process of modifying the front trunnion on my Galil SAR so I can use AR,mag adapters. 🙂 But, still, options are good.

  • Simcha M.

    In Israel we are always tinkering with other people’s inventions, in between inventing stuff from scratch on occasion.

    The Galil itself is the result of a lot tinkering with AKs and Valmets………

  • Bal256

    The Hebrew Hammer. Is there a better screen name for an Israeli-designed weapons enthusiast?

  • AKlover

    A little OT but is anyone else bummed that they discontinued the classic line? The XI is cool and all but if I want a Sig rifle I want a 550/551, not some halfway modular space gun.

    The AR already has that market cornered, IMO.

  • Adam

    Why? So you can use those 45-round magazines in your Sig rifle, of course.

  • fmike15

    So was the lower originally for .223 AK mags? It’s my understanding that they are larger than the 7.62 AK mags.
    Would Yugo M85 mags work?

  • Phillip Cooper

    Very cool!