Adam Painchaud of the SIG Sauer Academy shows DefenseReview.com (DR) owner/editor-in-chief David Crane the SIG MPX-C multi-caliber (9mm Parabellum/.40 S&W/.357 SIG) submachine gun (SMG)/semi-auto-only carbine/SBR (Short Barreled Rifle) personal defense weapon (PDW) at SHOT Show 2013. The SIG MPX-C's muzzle brake can be quickly converted into a suppressor.
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