SKU: MGPMSIG-A2
The ProMag Sig P320 9mm Blue Steel magazine (SIG-A9) is a domestic-manufactured replacement magazine engineered for the SIG Sauer P320 platform in 9mm caliber. This magazine is designed to hold 17 rounds, providing ample capacity for both duty use and range practice. Built in the USA with precision-wound heat-treated chrome silicon wire springs, this magazine delivers reliable feeding and rugged durability.
ProMag's construction process emphasizes quality control at every assembly stage, ensuring consistent spring tension and flawless magazine function through extended carry and high-round-count training sessions. The heat-treated chrome silicon wire resists fatigue and maintains feeding reliability over thousands of cycles—critical for duty magazines where malfunctions are not an option. P320 owners requiring additional factory-compatible magazines for duty rotations, range practice, or backup supply will find this magazine meets the demands of professional use and casual training alike.
The straightforward design ensures easy loading without binding or spring resistance, reducing fatigue during high-volume ammunition processing. Each magazine is backed by ProMag's lifetime guarantee against manufacturer's defects, reflecting confidence in the product's durability and performance standards. This magazine is an essential accessory for any SIG P320 owner looking for reliability and performance.
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.
Promag Mfg. Inc.
