SIG Sauer P320 Full 40s&w 15-Round Pistol

The SIG Sauer P320 Full 40 S&W 15-round pistol is a duty-grade striker-fired handgun engineered for law enforcement, military, and serious civilian operators who demand reliability under pressure. This full-size variant delivers the ergonomic mastery and modular design philosophy that has made the P320 the sidearm of choice across federal, state, and local agencies nationwide. The 40 Smith & Wesson caliber offers proven stopping power in a platform that prioritizes accuracy and controlability in tactical environments.

Built on SIG's renowned modular FCU (fire control unit) architecture, the P320 Full separates the serialized lower assembly from its slide and grip module—allowing shooters to swap calibers and sizes without legal complications or factory downtime. The 40 S&W barrel delivers consistent velocity and tight groupings out to 25 yards, with a short reset trigger that promotes rapid follow-up shots. The 15-round magazine capacity balances capacity with magazine footprint, while the full-size 8-inch overall length provides the sight radius and recoil management necessary for sub-2-inch groups at defensive distances. Slide serrations and ergonomic controls ensure positive manipulation in all conditions.

Law enforcement instructors and tactical trainers favor the P320 Full for its inherent accuracy and reduced muzzle rise, particularly when teaching newer shooters or running high-round-count drills. The 40 S&W chambering suits agencies transitioning from legacy duty weapons while maintaining ammunition logistics and ballistic performance standards. Compatibility with standard P320 holsters, light mounts, and suppressor-ready barrels makes this platform economical to outfit for specialized missions—from patrol to entry teams. Operators running this pistol can confidently equip it with modern optics via the rail system and integrate it into professional-grade carry solutions without modification.