Photos: Hands On with SIG SAUER’s MPX, MCX, and P320


Over the last couple days I’ve been given the opportunity to hang around at SIG SAUER’s training facility and test out a lot of their new stuff. On the rifle side, SIG is finally close to completing their MCX rifle and are on the verge of releasing the MPX. For handguns, the new modular P320 is now shipping with more varieties to come. I’ll have a full write up of everything as soon as I get a spare moment, but until then enjoy the snaps . . .











  1. avatar TheBear says:

    Cool pics bro.

  2. avatar PhoenixNFA says:

    That silencer design is hilarious. Not even worth metering

    1. avatar Matt in FL says:

      Looks cool, though.

    2. avatar Pseudo says:

      Nice and fouled, too.

    3. avatar lolinski says:

      Probably only meant to remove muzzle flash and to distort the sound of firing (instead of being hearing safe).

  3. avatar rosignol says:

    So… is there anything about the design that precludes Sig eventually making a version of the MPX in .45 ACP?

    (The guys at Sig have to be aware that many Americans have an irrational infatuation with that caliber)

    1. avatar Pwrserge says:

      What you call irrational, I call practical.

    2. avatar Will says:

      My vote goes for 10mm

    3. avatar Kevin says:

      I thought the P320 was a modular design that would let you change calibers on the same platform. (?)

  4. avatar Noishkel says:

    Ssooo mmuucchh….. wwwaaannntttt.

  5. avatar Noishkel says:

    Oh! I suddenly wonder if I can get a semi version of one of those MPX’s as a pistol and stuck a sig AR brace on it. 😀

    1. avatar PeterK says:

      Pretty sure they even ship that version, haha.

      1. avatar Noishkel says:


        Pity though I’m too poor to get one any time soon. Such is life though!

  6. avatar Nick D says:

    Ok, what kind of licensing and tax stampage do I need to get one of those MPX’s? And I do mean full auto.

    1. avatar rosignol says:

      Not produced before ’86 = not for civilians. Basically means the only way you’ll get to play with a full-auto model is to join a police department and convince your chief to issue you one.

      Or move to another country.

      1. avatar TheBear says:

        Or become a dealer.

    2. avatar Tim U says:

      You can’t, unless you have the right kind of business that actually sells to government agencies of some kind. And they do check up on your business at that point to make sure it’s not just your access to fun toys.

      Private citizens can’t get any full auto that wasn’t in the NFA registry as of 1986.

      1. avatar Nick D says:


        Fine, I’ll just get the pistol version, slap a SIG brace and a Taccom 3MR trigger on it, and one of those weird fuel-filters-that-are-in-no-way-a-suppressor.
        The ATF can suck my COMMENT MODERATED

  7. avatar Jeremy S says:

    I’ve never been too much of a Sig fan personally, but 1) The X5 and X6 variants are sexy and 2) now that SBRs are legal in WA I think that integrally suppressed SBR MPX is at the very top of my “want” list. No question. That’s sick.

  8. avatar Taylor TX says:

    What is that interesting looking belt-fed fun maker in the first picture? I see the remains of some recent aromatherapy off to the right.

    1. avatar Jeff says:

      its an M240B, and… where’s the part of the article where Nick shot it?

  9. avatar Billiam says:

    Excuse me. I must go to another room so no one sees me turn absolutely emerald green with envy! Damn it! Jealousy is SO unbecoming..

  10. avatar Matt in Idaho says:

    I want that 552 with the rear sight welded to it.

  11. avatar Ross says:

    I spy a 553 I do, now if only they would bring that model to market at an affordable price.

    1. avatar Dan A says:

      Well, they did a 551 SBR and 551 pistol, though I believe they’re going to be replaced by the 556xi. The 553 is made by Swiss Arms in Switzerland instead of SIG Sauer in New Hampshire and there’s not going to be any more of them. This makes me sad.

  12. avatar Robert W. says:

    Are we supposed to be awe inspired, or scared, by the ammount of fouling inside the cutaway suppressor?

  13. avatar g says:

    Ooooh… SIG-tastic.

  14. avatar Anti says:

    Ya, gutt. Those German boys always came up with the best toys.

  15. avatar Pete says:

    I work at Sig. Ask away!

  16. avatar steve says:

    WTF are they thinking with that 5.56 magwell on a pistol caliber firearm?!

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