Out of stock
SKU: SGPMPX-3B-CH
UPC: 798681599011
MPN: PMPX-3B-CH
The SIG Sauer MPX 9mm with 3.5-inch barrel and 20-round magazine represents a compact, modular platform purpose-built for tactical operators, law enforcement professionals, and serious civilian shooters. This stamped-steel submachine gun delivers precision engineering from one of the world's most respected firearms manufacturers, with the proven reliability and ergonomics that define modern tactical carbine standards.
The 3.5-inch barrel strikes a critical balance between maneuverability and velocity retention in the 9mm cartridge, making this platform ideal for confined-space operations, vehicle entries, and close-quarters engagement scenarios. The 20-round magazine capacity provides adequate combat load for intermediate engagements without excessive bulk. The integrated M-Lok accessory mounting system enables rapid customization—adding optics, lights, and laser modules without proprietary rails. The weigh-in at 7.44 pounds allows sustained shooting without fatigue during extended duty cycles or training sessions.
This MPX variant addresses the needs of tactical teams operating in tight environments—breaching rooms, protecting VIPs in motorcades, and warehouse/industrial site sweeps where longer rifles are impractical. Its compact footprint (32.1 inches overall) clears doorways and vehicle apertures cleanly, while the 9mm chambering minimizes over-penetration risk in civilian-dense areas. SIG Sauer's ISO 9001 certification and global manufacturing network ensure part compatibility and service support across military and law enforcement channels worldwide.
The MPX platform competes directly with established submachine guns from H&K and FN Herstal, delivering comparable accuracy and ergonomics at a competitive price point. Operators familiar with AR-pattern controls will adapt quickly to the intuitive safety, magazine release, and charging handle layout. Whether you're outfitting a specialized entry team, building a modern law enforcement armory, or seeking a legitimate civilian-tactical platform, the SIG Sauer MPX 9mm represents proven performance backed by decades of military adoption.
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