SKU: SG320XF-9-MAXM
UPC: 798681712892
MPN: 320XF-9-MAXM
The SIG Sauer Max 9mm 3.9" 21-Round Pistol represents a purpose-built platform for shooters demanding high capacity with compact dimensions. Purpose-designed for law enforcement, armed security professionals, and civilian defensive carriers, this striker-fired duty pistol delivers the magazine capacity traditionally associated with full-size platforms while maintaining a frame footprint suitable for duty belts and concealed carry rigs. The 21-round capacity establishes a meaningful advantage in force-on-force scenarios where shot count and reload frequency directly impact tactical effectiveness.
SIG's engineering integrates a compensator into the 3.9-inch barrel, actively reducing muzzle rise and improving shot-to-shot recovery during rapid-fire strings—a measurable advantage in defensive shooting where follow-up speed determines engagement outcomes. The striker-fired action provides consistent, predictable trigger performance without external safeties that complicate defensive draws under stress. The modular design allows customization of grip modules and accessory mounting, enabling users to tailor the pistol to individual hand geometry and mission requirements. At 4.31 pounds, the system balances controlability with adequate mass for recoil management during extended training sessions or sustained operational use.
Law enforcement agencies and military units benefit from the combination of high round count and compact profile—eliminating the traditional trade-off between shootability and concealability. Armed professionals operating in vehicle-dependent roles, retail security environments, or dynamic entry scenarios find the 21-round capacity particularly valuable when restocking ammunition between shifts proves logistically challenging. The compensator design requires no additional muzzle modifications or threading; users can immediately integrate the pistol into existing duty rigs, holsters rated for P320 platforms, and standard 9mm ammunition supplies without additional hardware or gunsmithing.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.
