Functioning on a closed bolt gas piston system, the Sig Sauer MPX K is an ultra reliable and durable sub gun that is, in addition, very modular as it gives you the choice of multiple handguard and barrel lengths. This suppressor-ready MPX K model comes with improved features such as an upgraded Timney trigger that is ultra smooth, ultra-fast, and a joy to pull, an updated M-Lok handguard that is available as accessories in various lengths for suppressor coverage, as well as a SIG PCB folding brace that lets you fold the K into an ultra-compact size and also use it in the folded position as well. Contacts me email@example.com more info.The MPX K also comes equipped and ready for action with a cold hammer-forged carbon steel barrel that ensures a high level of accuracy, and one (1) 30-round polymer magazine. Due to its high level of modularity and performance, the MPX K is the choice of professional operators worldwide.If you live in Texas, and I ship to a Texas FFL. No-pickup.Firearms must be shipped to an FFL.