PROMAG GLK 22/23/27 MAG 10RD BLACK POLYMER Manufacturer Model Number: GLK 15 Manufacturer: ProMag Model: Glock 40S&W Pistol Mag Caliber: 40 S&W Type: Accessory-Magazines Item Type: Accessory Firearm / Accessory Capacity: 10 Shipping Weight: 0.2 Feature: Polymer Feature: Fits Glock 22/23/27 Optic Adjustable Objective: false Optic Reticle Illuminated: false