Unconventional design. Unmatched performance. The SIG MPX™ redefines the submachine gun category with a new level of operator safety, in-field adaptability and proven reliability in the harshest environments. There's nothing else like it. And it's only available from SIG.

Every aspect of the SIG MPX firing system has been rigorously designed and tested. So in the heat of the moment, you can respond confidently and effectively, even under adverse conditions.

The SIG MPX gives users the freedom to change barrel length and stock configuration, all while in the field. There's no challenge too big or too small for this highly versatile firearm.

With the SIG MPX, we set out to reinvent the standard. Use our full line of accessories to assemble a full weapons system that's yours alone.