Sig Sauer MPX Copperhead 9mm pistol brace PMPX 4.5" TB 20rd


DOES NOT COME WITH BRACE.  Ships without Pistol brace per new regulations.  Pictures show example what item looks like with the old style sig pistol brace. 

New in box Sig Sauer MPX Copperhead 9mm!  Comes factory new in box with 20rd mag, manual, and lock!

The MPX Copperhead features a monolithic forend/rail, with an integrated stock knuckle lower, and a 4.5" barrel with integrated muzzle brake. 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. It features dual-sided selector switch, magazine release, charging handle and bolt release. The SIG MPX operates from a fully-closed and locked rotating bolt, offering enhanced reliability and safety in use. A short-stroke gas piston allows the SIG MPX to run all weights and brands of 9mm ammunition with no adjustments to the gas valve.

Follow X-Werks on Instagram for Updates and specials!!  Xwerksaz

Please allow 2-4 business days for items to ship once payment and FFL are received.

Give us a call, stop by our shop, or email us with any questions! You can also purchase online anytime at!

FFL's can be emailed, faxed or mailed to us. Please reference your name and the item number to prevent any delays in shipping.

Long guns and accessories ship UPS Ground. Handguns are shipped USPS priority mail.

Once payment and FFL are received we will email you a tracking/delivery confirmation number.


Serial numbers will vary.