Maximize your capacity with this 15-round factory magazine for the M&P Shield X! Featuring a high-quality steel body and corrosion-resistant finish, this magazine delivers superior durability. Inside, an anti-tilt polymer follower keeps each round perfectly aligned within the steel feed lips. Lastly, you ll find side-facing witness holes to keep a constant count of your remaining rounds. From your weekly range trip to daily carry, this 15-round magazine will have your back! Product Specifications Manufacturer: Smith & Wesson Model: M&P9 Shield X Caliber: 9mm Magazine Capacity: 15 ROunds