MAGAZINE M&P22 22LR 12RD 42251 PACKAGED MAGAZINE Manufacturer Model Number: 42251 Manufacturer: Smith and Wesson Model: M&P22 Magazine Caliber: 22 LR Type: Accessory-Magazines Item Type: Accessory Firearm / Accessory Capacity: 12 Shipping Weight: 0.2 Optic Adjustable Objective: false Optic Reticle Illuminated: false